# The trivia engine YAY
# vim: foldmethod=marker:foldcolumn=2:foldmarker=<<<,>>>:sw=2:ts=2 

### INIT <<<
package require sqlite

# the channel to play in
set trivia_channel "#triviacow"

# the time between hints (sec)
set trivia_speed 20

# the time between rounds (sec)
set trivia_delay 30

# allow new categories to be created?
set trivia_allow_new_cats 0

# time before end of round to start counting down
set trivia_time_left_warning 86400

# hold the current question info <<<
set trivia_q_id ""
set trivia_q_cat ""
set trivia_q_question ""
set trivia_q_answer ""
set trivia_q_hint ""
set trivia_q_attempts 0
set trivia_unanswered 0
set trivia_run_last 0
set trivia_run_qty 0
set trivia_run_nick ""
set trivia_guesser ""
set trivia_guesser_count 0
set trivia_last_qid 0
set trivia_q_timestamp 0
if [info exists trivia_must_rehash] {
  if {$trivia_must_rehash == 1} {
	  set trivia_must_rehash 2
	} else {
	  set trivia_must_rehash 0
	}
} else {
	set trivia_must_rehash 0
}
#>>>

# 0 = off
# 1 = on
# -1 = disabled
set trivia_status 0

set trivia_timer ""
set trivia_watchdog_timer ""
set trivia_last_ts 0
set trivia_score_time 0
set trivia_debug_mode 0
set trivia_warned 0
set trivia_asking_question 0
set trivia_current_leader -1

#colours <<<
set trivia_c(off) "\003"
set trivia_c(red) "\0034"
set trivia_c(blue) "\0033"
set trivia_c(purple) "\0036"
set trivia_c(bold) "\002"
set trivia_c(realblue) "\0032"
#>>>

bind pubm - * trivia_input
bind msg - trivia trivia_msg

# connect database <<<
proc trivia_connect { } {
	global trivia_db_handle
	sqlite3 trivia_db_handle trivia.db
}
#>>>

#>>>

### SETTINGS <<<
set trivia_flag T
set trivia_admin S

#botnet handle of the bmotion bot we're going to play with (set blank to disable)
set trivia_bmotion_bot "NoTopic"
# >>>

# Send a botnet command to the bmotion bot
proc trivia_bmotion_send { command params } {
	global trivia_bmotion_bot
	
	if {$trivia_bmotion_bot == ""} {
		return 0
	}

	if [islinked $trivia_bmotion_bot] {
		putbot $trivia_bmotion_bot "trivia $command :$params"
		putloglev d * "triviaengine: send $command to $trivia_bmotion_bot with params $params"
	} else {
		putlog "triviaengine: trying to communicate with bmotion bot $trivia_bmotion_bot but it's not linked"
	}
}



# Handle a /msg
proc trivia_msg { nick host handle cmd } {
	#<<<
	global trivia_db_handle trivia_last_qid
	global trivia_q_cat trivia_c trivia_allow_new_cats

	regsub "(trivia )" $cmd "" cmd
	putlog "trivia: msg command $cmd from $nick"

	if {($nick == "Greeneyez") || ($nick == "JamesOff")} {
#<<< set a question's category
		if [regexp -nocase "^setcat (.+)" $cmd matches category] {

			if {$trivia_last_qid == 0} {
				puthelp "PRIVMSG $nick :Can't fathom last question, unable to update category"
				return
			}

			set orig_cat $category
			set category [trivia_sqlite_escape $category]
			set sql "SELECT cat_id FROM categories WHERE cat_name='$category'"
			set cat_id 0
			
			set cat_id [trivia_db_handle eval $sql]
			if {$cat_id != ""} {
				puthelp "PRIVMSG $nick :Moving question $trivia_last_qid to category$trivia_c(purple) $category$trivia_c(off) ($cat_id)"
				set sql "UPDATE questions SET cat_id='$cat_id' WHERE question_id='$trivia_last_qid'"
				trivia_db_handle eval $sql
				set trivia_q_cat $orig_cat
				return
			} else {
				if {$trivia_allow_new_cats == 1} {
					puthelp "PRIVMSG $nick :Creating new category$trivia_c(purple) $category"
						set sql "INSERT INTO categories VALUES (null, '$category', 1)"
						putloglev d * $sql
						trivia_db_handle eval $sql
						set cat_id [trivia_db_handle last_insert_rowid]
						puthelp "PRIVMSG $nick :Moving question $trivia_last_qid to category$trivia_c(purple) $category$trivia_c(off) ($cat_id)"
						set sql "UPDATE questions SET cat_id='$cat_id' WHERE question_id='$trivia_last_qid'"
						putloglev d * $sql
						trivia_db_handle eval $sql
						set trivia_q_cat $orig_cat
				} else {
					puthelp "PRIVMSG $nick :Creating new categories is $trivia_c(purple)DISABLED$trivia_c(off). ('trivia newcat enable' to enable.)"
				}
				return
			}
		}
#>>>

	#<<< enable or disable new category creation
	if [regexp -nocase "^newcat (enable|disable)" $cmd matches toggle] {
		if {$toggle == "enable"} {
			puthelp "PRIVMSG $nick :$trivia_c(purple)ENABLING$trivia_c(off) new category creation"
			set trivia_allow_new_cats 1
			return
		}

		if {$toggle == "disable"} {
			puthelp "PRIVMSG $nick :$trivia_c(purple)DISABLING$trivia_c(off) new category creation"
			set trivia_allow_new_cats 0
			return
		}

		puthelp "PRIVMSG $nick :Use: trivia newcat enable|disable"
		return
	}
#>>>

#<<< debug
		if [regexp -nocase {^debug (.+)} $cmd matches func] {
			global trivia_debug_mode
			
			if {$trivia_debug_mode == 0} {
				putquick "PRIVMSG $nick :Debug mode is disabled. Cannot use debug commands."
				return 0
			}

			if {$func == "endweek"} {
				putquick "PRIVMSG $nick :Ending this week in 10 seconds..."
				global trivia_score_time
				set trivia_score_time [expr [clock seconds] + 10]
				return 0
			}
		}
#>>>


#<<< handle reports
		if [regexp -nocase {^report (help|list|fix|view|done|delete)?( .+)?} $cmd matches func arg] {
			if {($func == "") || ($func == "help")} {
				puthelp "PRIVMSG $nick :Use: report (list|view|fix|done|delete)"
				puthelp "PRIVMSG $nick :report list: see 10 reports"
				puthelp "PRIVMSG $nick :report view <id>: see the question and answer associated with a report"
				puthelp "PRIVMSG $nick :report fix <id> (question|answer) <new text>: update a question or answer"
				puthelp "PRIVMSG $nick :report done <id>: mark a report as done"
				return 0
			}

			if {$func == "list"} {
				putserv "PRIVMSG $nick :Gathering 10 trivia reports..."
				set sql "SELECT * FROM reports WHERE resolved = 'N' LIMIT 10"
				trivia_db_handle eval $sql result {
					putserv "PRIVMSG $nick :$result(report_id): [format %10s $result(who)] $result(message)"
				}
				return 0
			}

			if {$func == "view"} {
				if {$arg == ""} {
					puthelp "PRIVMSG $nick :Use: report view <id>"
					return 0
				}

				set arg [string trim $arg]
				set arg [trivia_sqlite_escape $arg]
				set sql "SELECT * FROM reports, questions WHERE report_id = '$arg' AND reports.question_id = questions.question_id"
				trivia_db_handle eval $sql result {
					putserv "PRIVMSG $nick :Report$trivia_c(purple) $result(report_id) $trivia_c(off)by$trivia_c(purple) $result(who) $trivia_c(off)on$trivia_c(blue) [clock format $result(when) -gmt 1]"
					putserv "PRIVMSG $nick :Question: $result(question)"
					putserv "PRIVMSG $nick :  Answer: $result(answer)"
					putserv "PRIVMSG $nick :  Report: $result(message)"
				}
				return 0
			}

			if {$func == "fix"} {
				set arg [string trim $arg]
				if [regexp -nocase {([0-9]+) (question|answer) (.+)} $arg matches report_id thing fix] {
					putserv "PRIVMSG $nick :Attempting to fix $trivia_c(purple)$thing$trivia_c(off) from report$trivia_c(purple) $report_id"
					#get question ID for this report
					set sql "SELECT question_id FROM reports WHERE report_id = '$report_id'"
					putloglev d * $sql
					set question_id 0
					trivia_db_handle eval $sql result {
						set question_id $result(question_id)
					}
					
					if {$question_id == 0} {
						putserv "PRIVMSG $nick :I can't seem to find that report, sorry :("
						return 0
					}

					set fix [trivia_sqlite_escape $fix]
					set sql "UPDATE questions SET $thing = '$fix' WHERE question_id = '$question_id'"
					putloglev d * $sql
					trivia_db_handle eval $sql

					putserv "PRIVMSG $nick :Updated!"
					return 0
				} else {
					puthelp "PRIVMSG $nick :Use: report fix <id> (question|answer) <new text>"
					return 0
				}
			}

			if {$func == "done"} {
				set arg [string trim $arg]
				set arg [trivia_sqlite_escape $arg]
				putserv "PRIVMSG $nick :Marking report$trivia_c(purple) $arg $trivia_c(off)as done."
				set sql "UPDATE reports SET resolved = 'Y' WHERE report_id = '$arg'"
				putloglev d * $sql
				trivia_db_handle eval $sql
				return 0
			}

			if {$func == "delete"} {
				set arg [string trim $arg]
				set arg [trivia_sqlite_escape $arg]
				putserv "PRIVMSG $nick :Deleting question from report$trivia_c(purple) $arg $trivia_c(off) and marking report as done."
				set sql "DELETE FROM questions WHERE question_id IN (SELECT question_id FROM reports WHERE report_id = '$arg')"
				putloglev d * $sql
				trivia_db_handle eval $sql
				set sql "UPDATE reports SET resolved = 'Y' WHERE report_id = '$arg'"
				putloglev d * $sql
				trivia_db_handle eval $sql
				return 0
			}
		}
#>>>
	}
}
#>>>

# Handle input coming from a channel
proc trivia_input { nick host handle channel arg } {
#<<<
	global trivia_channel trivia_status trivia_q_answer
	global trivia_guesser_count trivia_guesser trivia_c

	if {[string tolower $trivia_channel] != [string tolower $channel]} {
		return 0
	}

	if [regexp -nocase "^!t(rivia)? (.+)" $arg matches cmd param] {
		trivia_command $nick $host $handle $channel $param
		return 0
	}

	if [string match -nocase "!start" $arg] {
		if {$trivia_status > 0} {
			return
		}
		puthelp "PRIVMSG $trivia_channel :YOU'RE DOING IT WRONG"
	}

	if [regexp -nocase "^!t(rivia)?$" $arg] {
		if {$trivia_status == 1} {
			puthelp "PRIVMSG $trivia_channel :!trivia ... ?"
			return 0
		} else {
			puthelp "PRIVMSG $trivia_channel :Perhaps you want $trivia_c(purple)!trivia start"
			return 0
		}
	}

	# need to be running below here
	if {$trivia_status == -1} {
		return 0
	}

	if {$trivia_q_answer == ""} {
		return 0
	}

	#see if someone else is playing
	if {($nick == $trivia_guesser) && ($nick != "NoTopic")} {
		incr trivia_guesser_count
		putloglev d * "$nick has talked $trivia_guesser_count times in a row..."
	} else {
		set trivia_guesser_count 0
		set trivia_guesser $nick
	}

	#tidy the string up
	set arg [string tolower $arg]
	set arg [string trim $arg]
	if {$arg == [string tolower $trivia_q_answer]} {
		# try to stop any other output
		clearqueue server
		trivia_correct $nick
		return 0
	}

	#if they didn't get it right, and it's been more than 20 lines, taunt!
	if {($trivia_guesser_count > 0) && (($trivia_guesser_count % 20)) == 0} {
		putserv "PRIVMSG $trivia_channel :Playing with yourself, $nick? ;)"
		putlog "Is $nick playing with themselves?"
	}
}
#>>>

# Someone got it right!
proc trivia_correct { nick } {
#<<<
	global trivia_q_id trivia_q_cat trivia_q_question trivia_q_answer trivia_q_hint trivia_q_attempts trivia_channel trivia_status
	global trivia_timer trivia_delay trivia_db_handle trivia_unanswered trivia_run_qty trivia_run_last trivia_run_nick trivia_c
	global trivia_score_time trivia_time_left_warning trivia_asking_question trivia_current_leader trivia_q_timestamp

	if {$trivia_status != 1} {
		#something strange going on
		return 0
	}

	trivia_killtimer
	set answer $trivia_q_answer
	set trivia_q_answer ""
	set newuser 0
	set trivia_asking_question 0

	set speed [expr [clock seconds] - $trivia_q_timestamp]

	set speedword ""
	if {$speed <= 1} {
		set speedword [trivia_random_element [list "POW! 0 to correct in under a second!" "Faster than a speeding fast thing!" "Even I didn't get it that quick, and I've just got to do a database lookup!"]]
	} elseif {$speed < 7} {
		set speedword [trivia_random_element [list "WHOOSH! 0 to correct in $speed seconds!" "%% shows their unassailable knowledge of whatever that question was about by getting it in $speed seconds" "Set course for correctsville, Commander %%. Ahead warp [expr 10 - $speed]!" "Caffeine abuse pays off for %% with a speedy time of $speed seconds" "Faster than a speeding triviabullet!"]]
	}

	set uid [trivia_get_uid $nick]
	if {$uid == 0} {
		putlog "$nick does not have entry in database... creating"
		set uid [trivia_create_user $nick]
		set newuser 1
	}

	putlog "$nick has uid $uid"

	set old_leader [trivia_leader]

	trivia_incr_score $uid

	regsub -all -nocase "%%" $speedword "$trivia_c(purple)$nick$trivia_c(off)" speedword

	putquick "PRIVMSG $trivia_channel :Congratulations $trivia_c(purple)$nick$trivia_c(off)! The answer was$trivia_c(purple) $answer$trivia_c(off)."
	if {$speedword != ""} {
		putquick "PRIVMSG $trivia_channel :$speedword"
	}

	trivia_bmotion_send "winner" "$nick $answer"
	if {$newuser == 1} {
	  putquick "PRIVMSG $trivia_channel :Welcome to our newest player,  $trivia_c(purple)$nick$trivia_c(off) :)"
	}	
	putquick "PRIVMSG $trivia_channel :Rankings: [trivia_near_five3 $uid]"

	set leader [trivia_leader]

	if {($leader != $old_leader) && ($leader != -1) && ($old_leader != -1)} {
		putquick "PRIVMSG $trivia_channel :$trivia_c(purple) $nick $trivia_c(off) has taken the lead!"
	}

	#set score [trivia_get_score $uid]
	#putserv "PRIVMSG $trivia_channel :$nick now has $score points."

	set trivia_timer [utimer $trivia_delay trivia_start_round]
	set trivia_unanswered 0
	if {$trivia_run_last == $uid} {
		incr trivia_run_qty
		if {$trivia_run_qty > 2} {
			putquick "PRIVMSG $trivia_channel :$nick [trivia_get_run $trivia_run_qty] $trivia_run_qty in a row!"
		}
	} else {
		#end of streak
		if {$trivia_run_qty > 2} {
			putquick "PRIVMSG $trivia_channel :$nick ended $trivia_run_nick's winning spree."
		}
		set trivia_run_qty 1
		set trivia_run_last $uid
		set trivia_run_nick $nick
	}

	if {[rand 100] > 95} {
		putserv "PRIVMSG $trivia_channel :Remember, to report a problem with a question or answer, type $trivia_c(purple)!trivia report <description of problem>"
	}

	if {$trivia_score_time <= [clock seconds]} {
		trivia_end_week
	} else {
		if {[expr $trivia_score_time - [clock seconds]] < $trivia_time_left_warning} {
			set diff [expr $trivia_score_time - [clock seconds]]
			set diff $diff.0
			set nearness [expr $diff / $trivia_time_left_warning * 100]
			set chance [rand 100]
			putlog "diff = $diff, nearness = $nearness, chance = $chance"
			if {$chance < $nearness} {
				putserv "PRIVMSG $trivia_channel :[trivia_score_time_left] until the end of this game!"
			}
		}
	}

	trivia_check_rehash
}
#>>>

#See if we need to rehash
proc trivia_check_rehash { } {
#<<<
  global trivia_must_rehash trivia_channel trivia_c
  if {$trivia_must_rehash == 1} {
    putquick "PRIVMSG $trivia_channel :$trivia_c(red)### Please wait, reloading trivia script ###"
		trivia_killtimer
    rehash
  }
}
#>>>

# Turn a winning spree into text
proc trivia_get_run { row } {
#<<<
	global trivia_channel trivia_c
	switch $row {
		3 {
			return "is on a winning spree!"
		}
		4 {
			putquick "PRIVMSG $trivia_channel :$trivia_c(realblue)QUAD DAMAGE!"
			return "is on a roll ..."
		}
		5 {
			return "is on a rampage!"
		}
		6 {
			return "is unstoppable!"
		}
		8 {
			return "is on a Google spree!"
		}
		10 {
			return "is GODLIKE!"
		}
		12 {
		  return "needs to get out more."
		}
	}
	return "is on a roll ..."
}
#>>>

# Escape stuff for SQL
proc trivia_sqlite_escape { text } {
#<<<
	return [string map {' ''} $text]
}
#>>>

# Get someone's user ID from their nick
proc trivia_get_uid { nick } {
#<<<
	global trivia_db_handle

	putloglev 4 * "trivia_get_uid ($nick)"

	set nick [trivia_sqlite_escape $nick]
	set sql "SELECT user_id FROM users WHERE user_name = '$nick'"
	trivia_db_handle eval $sql {
		return $user_id
	}
	return 0
}
#>>>

# Get a period
proc trivia_get_period { } {
#<<<
	return [expr [clock scan "last friday 23:59" -gmt true] + 60]
}
#>>>

# Get a score from a UID
proc trivia_get_score { user_id } {
#<<<
	global trivia_db_handle

	putloglev 4 * "trivia_get_score ($user_id)"

	set dt [trivia_get_period]

	set sql "SELECT COUNT(*) AS yarr FROM scores WHERE dt > '$dt' AND user_id='$user_id'"
	trivia_db_handle eval $sql {
		return $yarr
	}
	return 0
}
#>>>

# Turn a timestamp into a date
proc trivia_ts_to_date { ts } {
#<<<
  return [clock format $ts -format "%Y/%m/%d %H:%M"]
}
#>>>

# Get someone's userinfo from their UID
proc trivia_get_userinfo { user_id } {
#<<<
	global trivia_db_handle trivia_channel

	putloglev 4 * "trivia_get_userinfo ($user_id)"
	set donestats 0

	set sql "SELECT user_name, user_score, user_last, user_reg FROM users WHERE user_id = '$user_id'"

	trivia_db_handle eval $sql {
		if {$user_last == ""} {
		  set last "Unknown"
		} else {
			set last [trivia_ts_to_date $user_last]
		}

		if {$user_reg == ""} {
			set reg "Unkown"
		} else {
			set reg [trivia_ts_to_date $user_reg]
		}

		putserv "PRIVMSG $trivia_channel :Trivia stats for $user_name:"
		putserv "PRIVMSG $trivia_channel :   Current score: $user_score"
		putserv "PRIVMSG $trivia_channel :      First seen: $reg"
		putserv "PRIVMSG $trivia_channel :     Last scored: $last"
		set donestats 1
	}

	set sql "SELECT COUNT(dt) AS score FROM scores WHERE dt > [trivia_get_period] AND user_id = '$user_id'"
	if {$donestats} {
		trivia_db_handle eval $sql {
			putserv "PRIVMSG $trivia_channel :Points this week: $score"
			putserv "PRIVMSG $trivia_channel :  Weekly Ranking: [trivia_get_rank $user_id]"
		}
	} else {
		putserv "PRIVMSG $trivia_channel :No stats found"
	}
}
#>>>

# Get someone's stats from their username
proc trivia_user_stats { user_name } {
#<<<
	global trivia_channel

	set uid [trivia_get_uid $user_name]
	if {$uid == 0} {
		putserv "PRIVMSG $trivia_channel :Unknown user '$user_name' (is the case right?)"
		return
	}

	trivia_get_userinfo $uid
}
#>>>

# Increase a UID's score
proc trivia_incr_score { id { howmuch 1 } } {
#<<<
	global trivia_db_handle

	putloglev 4 * "trivia_incr_score ($id, $howmuch)"

	set sql "UPDATE users SET user_last = [clock seconds], user_points = user_points + 1 WHERE user_id = '$id'"
	trivia_db_handle eval $sql

	set sql "INSERT INTO scores VALUES ('$id', '[clock seconds]')"
	trivia_db_handle eval $sql
}
#>>>

# Create a new user
proc trivia_create_user { nick } {
#<<<
	global trivia_db_handle

	putloglev 4 * "trivia_create_user ($nick)"

	set nick [trivia_sqlite_escape $nick]
	set sql "INSERT INTO users VALUES (null, '$nick', '', 0, [clock seconds], [clock seconds], 0)"
	trivia_db_handle eval $sql

	set uid [trivia_db_handle last_insert_rowid]

	return $uid
}
#>>>

# Handle a !trivia command
proc trivia_command { nick host handle channel param } {
#<<<
	global trivia_channel trivia_status trivia_flag trivia_admin trivia_c

	set arg ""
	regexp {^([^ ]+)( .+)?$} $param matches cmd arg
	set param [string tolower $cmd]
	set arg [string trim $arg]


	putloglev d *  "trivia command: $param from: $nick ($arg)"

	if {[matchattr $handle |$trivia_admin $trivia_channel] && ($param != "enable") && ($trivia_status == -1)} {
		return 0
	}

	if [regexp -nocase "^(score|place)( .+)?" $param] {
		putserv "PRIVMSG $trivia_channel :[trivia_score $arg $nick]"
		if [string match -nocase $nick $arg] {
			putserv "PRIVMSG $trivia_channel :(You know putting your own nick is optional, right? :)"
		}
		return 0
	}

	if {$param == "top10"} {
		putserv "PRIVMSG $trivia_channel :[trivia_get_top10]"
		return 0
	}

	if {$param == "info"} {
		trivia_user_stats $arg
		return 0
	}

	if {$param == "start"} {
		trivia_start
		return 0
	}

	if {$param == "report"} {
		trivia_report $nick $arg
		return 0
	}

	if {$param == "countdown"} {
		trivia_countdown
		return 0
	}

  if {![matchattr $handle |$trivia_flag $channel]} {
    putserv "PRIVMSG $nick :use: !trivia \[score|top10|start|report\]"
    return 0
  }

  if {$param == "stop"} {
    trivia_stop
    return 0
  }


	if {$param == "skip"} {
		trivia_skip $nick
		return 0
	}

	if {$param == "stats"} {
		trivia_stats
		return 0
	}

	if {![matchattr $handle |$trivia_admin $channel]} {
		putserv "PRIVMSG $nick :use: !trivia \[score|top10|start|stop|skip|stats\]"
		return 0
	}

	if {$param == "disable"} {
		trivia_disable
		return 0
	}

	if {$param == "enable"} {
		trivia_enable
		return 0
	}

	if {$param == "merge"} {
		trivia_merge $nick $arg
		#puthelp "PRIVMSG $trivia_channel :Score merging is disabled"
		return 0
	}

	if {$param == "rehash"} {
		trivia_rehash
		return 0
	}

	putserv "PRIVMSG $nick :use: !trivia \[start|stop|score|top10|skip|stats|enable|disable|merge\]"
	return 0
}
#>>>

# Rehash
proc trivia_rehash { } {
#<<<
	global trivia_status trivia_channel trivia_must_rehash
	if {$trivia_must_rehash == 1} {
		putserv "PRIVMSG $trivia_channel :! Reloading trivia now..."
		rehash
		return 0
	}

	if {$trivia_status != 1} {
		putserv "PRIVMSG $trivia_channel :! Reloading trivia now..."
		rehash
		return 0
	}
  set trivia_must_rehash 1
	putserv "PRIVMSG $trivia_channel :Trivia will reload after current round"
}
#>>>

# Disable the script
proc trivia_disable { } {
#<<<
	global trivia_status trivia_channel

	if {$trivia_status == 1} {
		#stop the current game
		trivia_stop
	}

	set trivia_status -1
	putserv "PRIVMSG $trivia_channel :Trivia disabled."
	return 0
}
#>>>

proc trivia_ping { } {
	return
}

# Enable the script
proc trivia_enable {} {
#<<<
	global trivia_status trivia_channel trivia_db_handle

	set trivia_status 0
	putserv "PRIVMSG $trivia_channel :Trivia enabled."

	trivia_ping

	return 0
}
#>>>

#Make a hint
proc trivia_make_hint { hint answer } {
#<<<
	global trivia_debug_mode

	set hint [string toupper $hint]
	set answer [string toupper $answer]

	set answer_words [split $answer { }]
	set final_hint ""

	#are we making the very first hint?
	if {$hint == ""} {
		foreach word $answer_words {
			append final_hint [string repeat "_" [string length $word]]
			append final_hint " "
		}

		set final_hint [string trim $final_hint]

		#now put the punctuation in
		set letters [split $answer {}]
		set i 0
		foreach letter $letters {
			if {![regexp -nocase {[A-Z0-9 ]} $letter]} {
				set final_hint [string replace $final_hint $i $i $letter]
			}
			incr i
		}
		return [string trim $final_hint]
	}

	# explode the into words
	set hint_words [split $hint { }]


	set i 0

	foreach word $hint_words {
		set answer_word [lindex $answer_words $i]
		putloglev 1 * "considering $answer_word ($word)"

		#are we on the first iteration?
		if [regexp "^_+$" $word] {
			#use the first letter
			set letters [string length $word]

			#don't hint for single-letter words
			if {$letters > 1} {
				set word [string index $answer_word 0]
				append word [string repeat "_" [expr $letters - 1]]
			} else {
				set word "_"
			}
			append final_hint "$word "
		} else {
			#not the first iteration so figure out where the gaps are
			set gaps [list]
			set letters [split $word {}]
			set j 0
			foreach letter $letters {
				if {$letter == "_"} {
					lappend gaps $j
				}
				incr j
			}
			if {[llength $gaps] <= 1} {
				#eek no letters to replace, or only one gap
				putloglev 1 * "  insufficient gaps, using $word"
				append final_hint "$word "
			} else {
				#now we pick a random letter position
				set pos [trivia_random_element $gaps]
				putloglev 1 * "  filling in $pos"
				set word [string replace $word $pos $pos [string index $answer_word $pos]]
				putloglev 1 * "  --> $word"
				append final_hint "$word "
			}
		}
		incr i
	}
	set final_hint [string trim $final_hint]
	if {$trivia_debug_mode == 1} {
		return $answer
	}

	return $final_hint
}
#>>>

# Fetch a question
proc trivia_get_question { } {
#<<<
	global trivia_db_handle trivia_q_id trivia_q_cat trivia_q_question trivia_q_answer trivia_q_hint trivia_channel

	set trivia_q_id ""

	set sql "SELECT q.question, q.question_id, q.answer, c.cat_name FROM questions q LEFT JOIN categories c USING (cat_id) WHERE c.cat_enabled=1 ORDER BY count ASC, random() LIMIT 1"
	trivia_db_handle eval $sql {
		set trivia_q_id $question_id
		set trivia_q_cat $cat_name
		set trivia_q_question $question
		set trivia_q_answer [string toupper $answer]
		set trivia_q_hint ""

		#tidy up question and answer
		regsub -all "  +" $trivia_q_question " " trivia_q_question
		regsub -all "  +" $trivia_q_answer " " trivia_q_answer

		set trivia_q_question [string trim $trivia_q_question]
		set trivia_q_answer [string trim $trivia_q_answer]
	} 

	if {$trivia_q_id == ""} {
		return
	}

	#update the times used
	set sql "UPDATE questions SET count = count + 1 WHERE question_id = '$trivia_q_id'"
	trivia_db_handle eval $sql
}
#>>>

# Start a round
proc trivia_start_round { } {
#<<<
	global trivia_q_id trivia_q_cat trivia_q_question trivia_q_answer trivia_q_hint trivia_q_attempts trivia_channel trivia_status trivia_last_qid
	global trivia_asking_question trivia_delay botnick trivia_q_timestamp

	if {$trivia_status != 1} {
		#we're switched off, abort
		return 0
	}

	#init variables
	set trivia_q_id ""
	set trivia_q_cat ""
	set trivia_q_question ""
	set trivia_q_answer ""
	set trivia_q_hint ""

	putlog "Fetching next question..."

	trivia_get_question

	if {$trivia_q_id == ""} {
		putlog "Couldn't init trivia round, aborting."
		return
	}

	putlog "Successfully fetched question $trivia_q_id from database"
	putloglev 4 * "question = $trivia_q_question"
	putloglev 4 * "answer   = $trivia_q_answer"

	set trivia_q_attempts 1

	set trivia_last_qid $trivia_q_id

	set trivia_asking_question 1

	trivia_bmotion_send "start" "$trivia_channel $trivia_delay $botnick"
	set trivia_q_timestamp [clock seconds]

	trivia_round

}
#>>>

# Run a round
proc trivia_round { } {
#<<<
	global trivia_q_id trivia_q_cat trivia_q_question trivia_q_answer trivia_q_hint trivia_q_attempts trivia_channel trivia_status
	global trivia_timer trivia_speed trivia_c trivia_last_ts

	if {$trivia_status != 1} {
		#we're switched off, abort
		return 0
	}

	if {$trivia_q_attempts == 5} {
		trivia_end_round
		return 0
	}

	if {$trivia_q_answer == ""} {
		return 0
	}

	#update the hint
	set trivia_q_hint [trivia_make_hint $trivia_q_hint $trivia_q_answer]
	putlog "hint is $trivia_q_hint"

	#say our stuff
	if {$trivia_q_attempts > 1} {
		set hint " \[[expr $trivia_q_attempts - 1] of 3\]"
	} else {
		set hint ""
	}

	set split_question [trivia_question_split $trivia_q_question]

	putquick "PRIVMSG $trivia_channel :$trivia_c(red)--== Trivia ==--$trivia_c(off) \[category: \002$trivia_q_cat\002\]"
	foreach q $split_question {
		if {$q != ""} {
			putquick "PRIVMSG $trivia_channel :$trivia_c(blue) [trivia_question_inject $q]"
		}
	}
	#set new_question [trivia_question_inject $trivia_q_question]
	#putquick "PRIVMSG $trivia_channel :$trivia_c(blue) $new_question"
	putquick "PRIVMSG $trivia_channel :Hint$hint: [trivia_explode $trivia_q_hint]"

	incr trivia_q_attempts

	trivia_bmotion_send "hint" [string map {_ .} $trivia_q_hint]

	set trivia_last_ts [clock seconds]

	global trivia_must_rehash
  if {$trivia_must_rehash != 2} {
		set trivia_timer [utimer $trivia_speed trivia_round]
	}
}
#>>>

# Make it harder for things to break questions (inject bold codes)
proc trivia_question_inject { question } {
#<<<
  putlog "trivia_question_inject $question"
	#inject random bold/underline/colour codes into question
	global trivia_c

	set l [string length $question]
	putlog "length: $l"
	if {$l < 1} {
	  return $question
	}
	set pos [rand $l]
	set first [string range $question 0 $pos]
	incr pos
	set second [string range $question $pos end]
	switch [rand 1] {
		0 {
			putlog "question_inject: using bold at pos $pos"
			return $first$trivia_c(bold)$trivia_c(bold)$second
		}
		1 {
			putlog "question_inject: using purple at pos $pos"
			return $first$trivia_c(purple)$trivia_c(off)$second
		}
	}
	return $question
}
#>>>

# Make it harder for things to break questions (inject line breaks)
proc trivia_question_split { question } {
#<<<
  putlog "trivia_question_split $question"
	#explodes a question into two lines at word boundaries, if it's long enough
	#don't split unscrambles incorrectly
	if [regexp -nocase "(unscramble .+:) (\[A-Z \]+)" $question matches first second] {
		return [list $first $second]
	}
	set words [split $question " "]
	set wordcount [llength $words]
	if {$wordcount < 4} {
	  putlog "aborting, too short"
		return [list $question]
	}

	#enough words to split
	#we want at least two on the first line
	putlog "wordcount: $wordcount"
	incr wordcount -2
	if {$wordcount < 0} {
		return [list $question]
	}
	set pos [rand $wordcount]
	incr pos 2
	putlog "picked pos $pos"
	set wordlist [list]
	set i 0
	set line ""
	foreach word $words {
		#putlog "word = $word, i = $i"
		append line "$word "
		if {$i == $pos} {
			#putlog "splitting here, line = $line"
			lappend wordlist [string trim $line]
			set line ""
		}
		incr i
	}
	#putlog "done, appending $line to list"
	if {$line != ""} {
		lappend wordlist [string trim $line]
	}
	#putlog "split question list is: $wordlist"
	return $wordlist
}
#>>>

# Finish a round (without a winner)
proc trivia_end_round { } {
#<<<
	global trivia_q_id trivia_q_cat trivia_q_question trivia_q_answer trivia_q_hint trivia_q_attempts trivia_channel trivia_status
	global trivia_timer trivia_delay trivia_db_handle trivia_unanswered
	global trivia_run_last trivia_run_nick trivia_run_qty trivia_c trivia_score_time trivia_asking_question trivia_time_left_warning

	if {$trivia_status != 1} {
		#we're switched off, abort
		return 0
	}

	set trivia_asking_question 0

	trivia_bmotion_send "winner" "* $trivia_q_answer"
	trivia_bmotion_send "stop" ""

	set trivia_q_answer [string toupper $trivia_q_answer]
	putquick "PRIVMSG $trivia_channel :Time's up! Nobody got it right. The answer was$trivia_c(purple) $trivia_q_answer"
	set trivia_q_answer ""

	incr trivia_unanswered
	if {$trivia_run_qty > 2} {
		putserv "PRIVMSG $trivia_channel :So much for $trivia_run_nick's winning spree."
	}
	set trivia_run_last 0
	set trivia_run_qty 0
	set trivia_run_nick ""

	if {[rand 100] > 90} {
		putserv "PRIVMSG $trivia_channel :Remember, to report a problem with a question or answer, type $trivia_c(purple)!trivia report <description of problem>"
	}

	if {$trivia_unanswered > 3} {
		putserv "PRIVMSG $trivia_channel :Four unanswered in a row, stopping the game."
		putserv "PRIVMSG $trivia_channel :You can restart it with $trivia_c(purple)!t start"
		set trivia_status 0
	} else {
		set trivia_timer [utimer $trivia_delay trivia_start_round]
		if {$trivia_score_time <= [clock seconds]} {
			trivia_end_week
		} else {
		if {[expr $trivia_score_time - [clock seconds]] < $trivia_time_left_warning} {
			set diff [expr $trivia_score_time - [clock seconds]]
			set diff $diff.0
			set nearness [expr $diff / $trivia_time_left_warning * 100]
			set chance [rand 100]
			putlog "diff = $diff, nearness = $nearness, chance = $chance"
			if {$chance < $nearness} {
				putserv "PRIVMSG $trivia_channel :[trivia_score_time_left] until the end of this game!"
			}
		}
		}
		trivia_check_rehash
	}
}
#>>>

# Skip the rest of this question
proc trivia_skip { nick } {
#<<<
	global trivia_q_id trivia_q_cat trivia_q_question trivia_q_answer trivia_q_hint trivia_q_attempts trivia_channel trivia_status
	global trivia_timer trivia_delay trivia_db_handle trivia_unanswered trivia_score_time

	if {$trivia_status != 1} {
		#we're switched off, abort
		return 0
	}

	if {$trivia_q_answer == ""} {
		#no round in progress
		return 0
	}

	set trivia_q_question ""
	set trivia_q_answer ""

	trivia_killtimer

	trivia_bmotion_send "stop" ""

	putserv "PRIVMSG $trivia_channel :Skipping this question by $nick's request."
	set trivia_timer [utimer $trivia_delay trivia_start_round]
	if {$trivia_score_time <= [clock seconds]} {
		trivia_end_week
	}
}
#>>>

# Utility function to fetch a random item from a list
proc trivia_random_element { l } {
#<<<
	return [lindex $l [rand [llength $l]]]
}
#>>>

# Start the game
proc trivia_start { } {
#<<<
	global trivia_status trivia_channel trivia_unanswered trivia_run_last trivia_run_qty trivia_c trivia_must_rehash trivia_db_handle

	if {$trivia_status == 1} {
		putserv "PRIVMSG $trivia_channel :Trivia is already running."
		return 0
	}

	if {$trivia_status == -1} {
		putserv "PRIVMSG $trivia_channel :Trivia is currently disabled."
		return 0
	}

	trivia_ping

	# go go go
	set trivia_status 1
	if {$trivia_must_rehash == 2 } {
		putquick "PRIVMSG $trivia_channel :$trivia_c(blue)### Resuming trivia game ###" -next
	} else {
		putquick  "PRIVMSG $trivia_channel :Trivia game started!" -next
	}

	#trivia_stats

	putquick "PRIVMSG $trivia_channel :[trivia_score_time_left] left until end of this game!"

	#try to find last week's winner
	set sql "SELECT winners.user_id, users.user_name FROM winners LEFT JOIN users USING(user_id) ORDER BY dt DESC, score DESC LIMIT 1"
	putloglev d * $sql
	trivia_db_handle eval $sql {
		putquick "PRIVMSG $trivia_channel :Last week's winner was$trivia_c(purple) [string toupper $user_name]$trivia_c(off)!"
	}

	set trivia_unanswered 0
	set trivia_run_last 0
	set trivia_run_qty 0

	trivia_start_round
	return 0
}
#>>>

# Stop the game
proc trivia_stop { } {
#<<<
	global trivia_channel trivia_status

	if {$trivia_status == 1} {
		clearqueue server
		putserv "PRIVMSG $trivia_channel :Trivia game stopped."
		set trivia_status 0
		trivia_bmotion_send "stop" ""
		trivia_killtimer
	}
	return 0
}
#>>>

# Kill our timer
proc trivia_killtimer { } {
#<<<
	global trivia_timer

	if {$trivia_timer != ""} {
		killutimer $trivia_timer
	}
}
#>>>

# Utility function to explode line into letters
proc trivia_explode { line } {
#<<<
	set letters [split $line {}]
	set newline ""
	foreach letter $letters {
		append newline "$letter "
	}
	return [string trim $newline]
}
#>>>

# Get a UID's ranking
proc trivia_get_rank { uid } {
#<<<
	global trivia_db_handle

	putloglev 4 * "trivia_get_rank ($uid)"

	set sql "SELECT user_id FROM users ORDER by user_score DESC"
	set dt [trivia_get_period]
	set sql "select user_id, count(dt) as d from scores where dt > $dt group by user_id order by d desc"
	
	set pos 0
	trivia_db_handle eval $sql {
		incr pos
		putloglev d * "considering user_id $user_id, score $d"
		if {$user_id == $uid} {
			return $pos
		}
	}
	return 0
}
#>>>

# Get the top 10 users
proc trivia_get_top10 { } {
#<<<
	global trivia_db_handle

	set dt [trivia_get_period]
	set sql "select users.user_name as u, count(dt) as d from scores left join users using (user_id) where dt > $dt group by scores.user_id order by d desc limit 10"

	set output ""
	set index 0

	trivia_db_handle eval $sql {
		incr index
		append output "\002$index:\002 "
		append output $u
		append output " ("
		append output $d
		append output ")  "
	}

	if {$index == 0} {
		set output "No scores so far, everyone is equal first! \\o/"
	} else {
		set output "The top $index players are... $output"
	}
	return $output
}
#>>>

# Fix a number into text
proc trivia_ordinal { number } {
#<<<
	if [regexp {1[0-9]$} $number] {
		return "th"
	}

	set last [string range $number end end]

	if {$last == "1"} {
		return "st"
	}

	if {$last == "2"} {
		return "nd"
	}

	if {$last == "3"} {
		return "rd"
	}

	return "th"
}
#>>>

# Get a score
proc trivia_score { n { nick "" } } {
#<<<
	set n [string trim $n]
	putloglev 4 * "trivia_score($n, $nick)"

	if {$n == ""} {
		set ni $nick
		set o "You are"
	} else {
		set ni $n
		set o "$n is"
	}

	set uid [trivia_get_uid $ni]
	set score [trivia_get_score $uid]
	set pos [trivia_get_rank $uid]
	if {$score == 0} {
		return "No score found for $n."
	}
	return "$o ranked $pos[trivia_ordinal $pos] with $score points."
}
#>>>

# Turn a list into a stats list
proc trivia_list_to_stats { pos user_id l } {
#<<<
	putloglev 4 * "trivia_list_to_stats ($pos, $user_id, $l)"
	global trivia_c
	set uid [lindex $l 0]
	set nick [lindex $l 1]
	set score [lindex $l 2]
	incr pos

	set result ""
	if {$user_id == $uid} {
		set result "$trivia_c(purple)$trivia_c(bold)"
	}
	append result "$pos[trivia_ordinal $pos]: $nick ($score)  "
	if {$user_id == $uid} {
		append result "$trivia_c(off)$trivia_c(bold)"
	}
	return $result
}
#>>>

# Another function to get the nearest users to your score
proc trivia_near_five2 { uid } {
#<<<
	global trivia_db_handle trivia_c

	set sql "SELECT user_id, user_name, user_score FROM users ORDER BY user_score DESC"
	set dt [trivia_get_period]
  set sql "select users.user_id as user_id, users.user_name as user_name, count(dt) as user_score from scores left join users using (user_id) where dt > $dt group by scores.user_id order by count(dt) desc"
	putlog $sql

	set result [list]
	trivia_db_handle eval $sql {
		set line [list]
		lappend line $user_id
		lappend line [trivia_question_inject $user_name]
		lappend line $user_score
		putlog "adding line $line"
		lappend result $line
	}

	putlog "results list: $result"

	set position 0
	foreach item $result {
		if {[lindex $item 0] == $uid} {
			putlog "found at position $position"
			break
		}
		incr position
	}

	set line ""

	if {$position > 2} {
		append line [trivia_list_to_stats [expr $position - 2] $uid [lindex $result [expr $position - 2]]]
	}

	if {$position > 1} {
		append line [trivia_list_to_stats [expr $position - 1] $uid [lindex $result [expr $position - 1]]]
	}

	append line [trivia_list_to_stats $position $uid [lindex $result $position]]

	if {$position < [expr [llength $result] - 1]} {
		append line [trivia_list_to_stats [expr $position + 1] $uid [lindex $result [expr $position + 1]]]
	}

	if {$position < [expr [llength $result] - 2]} {
		append line [trivia_list_to_stats [expr $position + 2] $uid [lindex $result [expr $position + 2]]]
	}

	return $line
}
#>>>

# Third function to get the nearest users to your score
proc trivia_near_five3 { uid } {
	global trivia_db_handle trivia_c

	set sql "DROP TABLE IF EXISTS _score"
	putlog $sql
	trivia_db_handle eval $sql

	set sql "CREATE TEMPORARY TABLE _score (user_id int, user_score int, last_score int)"
	putlog $sql
	trivia_db_handle eval $sql

	set sql "INSERT INTO _score SELECT user_id, COUNT(dt), MAX(dt) AS user_score FROM scores GROUP BY scores.user_id"
	putlog $sql
	trivia_db_handle eval $sql

	set outputlist ""


	# get our score
	set sql "SELECT user_score, last_score FROM _score WHERE user_id = $uid"
	set our_score ""
	set our_last ""
	trivia_db_handle eval $sql {
		set our_score $user_score
		set our_last $last_score
	}

	if {$our_score == ""} {
		return ""
	}

	if {$last_score == ""} {
		return ""
	}

	#find our position
	#don't need to use last_score here because we must've just scored - making use the most recent point for this score
	set sql "SELECT user_id FROM _score WHERE user_score >= $our_score ORDER BY user_score DESC, last_score DESC"
	putlog $sql
	set position 1
	trivia_db_handle eval $sql {
		if {$user_id != $uid} {
			incr position
		} else {
			break
		}
	}

	putlog "our position is $position"


	if {$position == 1} {
		putlog "oh we're first"
		#set output "$trivia_c(purple) $trivia_c(bold)"
		#append output "1st: [trivia_get_username $uid] ($our_score)  $trivia_c(off)$trivia_c(bold)"
		lappend outputlist [list $uid $our_score]
	} else {
		#find some users higher than us
		set sql "SELECT * FROM _score WHERE user_score > $user_score ORDER BY user_score ASC, last_score ASC LIMIT 4"
		putlog $sql

		set prelist [list]

		trivia_db_handle eval $sql {
			set outputlist [concat [list [list $user_id $user_score] ] $outputlist]
			putlog "outputlist is now $outputlist"
		}

		# finally, us
		lappend outputlist [list $uid $our_score]
	}

	putlog "so far, output list is $outputlist"

	# find two people below us
	set sql "SELECT * FROM _score WHERE (user_score < $our_score) OR ((user_score = $our_score) AND (last_score < $our_last)) ORDER BY user_score DESC, last_score DESC LIMIT 5"
	putlog $sql
	set postlist [list]
	trivia_db_handle eval $sql {
		lappend postlist [list $user_id $user_score]
	}

	putlog "postlist is $postlist"

	set pre_size 3
	set post_size 2

	if {$position == 1} {
		putlog "we're in first"
		set pre_size 1
		set post_size 4
	}

	if {$position == 2} {
		putlog "we're in 2nd"
		set pre_size 2
		set post_size 3
	}

	if {[llength $postlist] == 0} {
		putlog "no postlist, using only prelist"
		set pre_size 5
	}

	if {[llength $postlist] == 1} {
		putlog "one postlist, using most prelist"
		set pre_size 4
	}

	if {$pre_size < [llength $outputlist]} {
		putlog "pre_size $pre_size < length of prelist, trimming"
		set startpos [expr [llength $outputlist] - $pre_size]
		set outputlist [lrange $outputlist $startpos end]
	}

	putlog "outputlist length is [llength $outputlist]"

	set post_size [expr 5 - [llength $outputlist]]

	if {$post_size < [llength $postlist]} {
		putlog "post_size calculated as $post_size and is less than list length"
		set postlist [lrange $postlist 0 [expr $post_size - 1]]
	}

	putlog "---"
	putlog "pre: $outputlist"
	putlog "post: $postlist"

	if {$position > 2} {
		set initpos [expr $position - 2]
	} else {
		set initpos 1
	}

	putlog "first position on list is $initpos"

	foreach place $postlist {
		lappend outputlist $place
	}

	set output ""

	foreach place $outputlist {
		set entry ""
		append entry "$initpos"
		append entry [trivia_ordinal $initpos]
		append entry ": "
		append entry [trivia_question_inject [trivia_get_username [lindex $place 0]]]
		append entry " ("
		append entry [lindex $place 1]
		append entry ")"
		incr initpos
		if {[lindex $place 0] == $uid} {
			append output "$trivia_c(purple)$trivia_c(bold) $entry$trivia_c(off)$trivia_c(bold) "
		} else {
			append output " $entry "
		}
	}
	
	putlog $output
	return $output

}

proc trivia_get_username { uid } {
	global trivia_db_handle

	set sql "SELECT user_name FROM users WHERE user_id = $uid"
	putlog $sql
	return [trivia_db_handle onecolumn $sql]
}


# Get the current leader's UID
proc trivia_leader { } {
	global trivia_db_handle

	set dt [trivia_get_period]
	set sql "SELECT user_id, count(dt) AS user_score FROM scores WHERE dt > $dt GROUP BY user_id ORDER BY COUNT(dt) DESC LIMIT 1"
	set uid -1
	trivia_db_handle eval $sql {
		set uid $user_id
	}

	return $uid
}

# Get some stats from the DB
proc trivia_stats { } {
#<<<
	global trivia_db_handle trivia_channel

	set sql "SELECT COUNT(*) AS total FROM questions LEFT JOIN categories USING (cat_id) WHERE categories.cat_enabled = 1;"
	set stat_total_questions [trivia_db_handle eval $sql]

	set sql "SELECT COUNT(*) AS total FROM categories WHERE cat_enabled = 1"
	set stat_total_cats [trivia_db_handle eval $sql]

	putserv "PRIVMSG $trivia_channel :Using\002 $stat_total_questions\002 questions in\002 $stat_total_cats\002 categories."
}
#>>>

# Merge two users
proc trivia_merge { nick param } {
#<<<
	global trivia_db_handle

	putloglev 4 * "trivia_merge ($nick, $param)"

	if [regexp {^([^ ]+) (.+)$} $param matches nick1 nick2] {
		set olduid [trivia_get_uid [trivia_sqlite_escape $nick1]]
		set newuid [trivia_get_uid [trivia_sqlite_escape $nick2]]

		if {$olduid == 0} {
			puthelp "PRIVMSG $nick :Can't find user '$nick1'"
			return 0
		}

		if {$newuid == 0} {
			puthelp "PRIVMSG $nick :Can't find user '$nick2'"
			return 0
		}

		puthelp "PRIVMSG $nick :Meging score for $nick1 into score for $nick2"
		set sql "UPDATE scores SET user_id=$newuid WHERE user_id=$olduid"
		trivia_db_handle eval $sql

		set newscore [trivia_get_score $newuid]
		puthelp "PRIVMSG $nick :$nick2 now has $newscore points."

		set sql "DELETE FROM users WHERE user_id = $olduid"
		trivia_db_handle eval $sql
		puthelp "PRIVMSG $nick :User $nick1 has been deleted."
		return 0
	} else {
		puthelp "PRIVMSG $nick :Use: !trivia merge <olduser> <newuser>"
		puthelp "PRIVMSG $nick :  olduser's score is merged with newuser's and olduser is deleted."
	}
}
#>>>

# Report a broken question
proc trivia_report { nick msg } {
#<<<
	global trivia_channel trivia_db_handle trivia_last_qid trivia_c

	if {$trivia_last_qid == 0} {
		puthelp "PRIVMSG $trivia_channel :Sorry, unable to work out which question to report on :("
		return 0
	}

	set nick [trivia_sqlite_escape $nick]
	set msg [trivia_sqlite_escape $msg]

	set sql "INSERT INTO reports VALUES (null, [clock seconds], '$nick', '$trivia_last_qid', '$msg', 'N')"
	trivia_db_handle eval $sql
	puthelp "PRIVMSG $trivia_channel :Added a report against question ID$trivia_c(purple) $trivia_last_qid$trivia_c(off) from $trivia_c(purple)$nick$trivia_c(off)."
	set trivia_last_qid 0
}
#>>>

### WATCHDOG STUFF <<<
# Watchdog timer to make sure we're not ruined
proc trivia_watchdog { } {
#<<<
	global trivia_last_ts trivia_watchdog_timer trivia_status trivia_channel trivia_delay trivia_speed

	putloglev d * "trivia watchdog: tick"

	# slow down if we've never asked a question or we're stopped
	if {($trivia_last_ts == 0) || ($trivia_status == 0)} {
		putloglev 1 * "trivia is not running, slowing down watchdog"
		set trivia_watchdog_timer [utimer 45 trivia_watchdog]
		return 0
	}

	set current_ts [clock seconds]
	set difference [expr $current_ts - $trivia_last_ts]

	set trivia_limit [expr $trivia_delay + $trivia_speed + 5]

	putloglev 1 * "trivia watchdog: current: $current_ts, last: $trivia_last_ts, difference: $difference, max: $trivia_limit"

	if {$difference > $trivia_limit} {
		if {$trivia_status == 1} {
			putlog "watchdog: trivia is broken"
			putquick "PRIVMSG $trivia_channel :Oops, I think I'm broken. Attempting to recover..."
			set trivia_status 0
			trivia_start
		}
	}

	set timer_interval [expr $trivia_delay * 2]

	set trivia_watchdog_timer [utimer 10 trivia_watchdog]
	return 0
}
#>>>

# Kill the watchdog timeer
proc trivia_killwatchdog { } {
#<<<
	global trivia_watchdog_timer

  set alltimers [utimers]
  foreach t $alltimers {
    putloglev 1 * "checking timer $t"
    set t_function [lindex $t 1]
    set t_name [lindex $t 2]
    set t_function [string tolower $t_function]
		if {$t_function == "trivia_watchdog"} {
			putloglev d * "killing timer $t_name"
      killutimer $t_name
		}

		if {$t_function == "trivia_score_rot_timer"} {
			putloglev d * "killing timer $t_name"
			killutimer $t_name
		}
  }

	unset trivia_watchdog_timer
}
#>>>

trivia_killwatchdog
set trivia_watchdog_timer [utimer 45 trivia_watchdog]
#>>>

#<<< SCORE ROTATION STUFF

#take this week's scores and figure out this week's winners
proc trivia_score_winners { } {
	#<<<
	global trivia_db_handle trivia_channel

	set winners [list]

	set now [clock seconds]

	set updates [list]
	
	#knock off a week
	set cutoff [expr $now - 604800]
	
	set sql "SELECT user_id, COUNT(*) AS score FROM scores WHERE dt > $cutoff GROUP BY user_id ORDER BY score DESC LIMIT 5"
	putloglev d * $sql

	trivia_db_handle eval $sql {
		lappend winners [list $user_id $score]
	}

	set winner_name [list]

	foreach winner $winners {
		set sql "SELECT user_name FROM users WHERE user_id = '[trivia_sqlite_escape [lindex $winner 0]]'"
		putloglev d * $sql
		trivia_db_handle eval $sql {
			lappend winner_name [list $user_name [lindex $winner 0] [lindex $winner 1]]
		}
	}
		
	putlog $winners
	putlog $winner_name

	putserv "PRIVMSG $trivia_channel :This week's winners are:"
	set position 1
	foreach winner $winner_name {
		#smudge woz ere
		putserv "PRIVMSG $trivia_channel :$position[trivia_ordinal $position] place: [lindex $winner 0] with [lindex $winner 2] points"
		set sql "INSERT INTO winners VALUES ([lindex $winner 1], $now, [expr 6 - $position])"
		putloglev d * $sql
		trivia_db_handle eval $sql

		set sql "UPDATE users SET user_score = user_score + [expr 6 - $position]"
		putloglev d * $sql
		trivia_db_handle eval $sql

		incr position
	}

	set sql "DELETE FROM scores"
	putloglev d * $sql
	trivia_db_handle eval $sql
}

#>>>

#get the timestamp for next cutoff
proc trivia_score_get_time { } {
#<<<
	global trivia_score_time

	set trivia_score_time [clock scan "friday 19:00"]
	if {$trivia_score_time < [clock seconds]} {
		set trivia_score_time [clock scan "next friday 19:00"]
	}
	set trivia_score_time [expr $trivia_score_time]
	putloglev d * "setting next score rotation to [clock format $trivia_score_time]"
}
#>>>

#figure out how long is left until the score rotation
proc trivia_score_time_left { } {
	#<<<
	global trivia_score_time

	set now [clock seconds]
	if {$now > $trivia_score_time} {
		#erk
		putloglev d * "trivia_score_time_left: oops!"
		putloglev d * "now: $now, time: $trivia_score_time"
		putloglev d * [clock format $now]
		putloglev d * [clock format $trivia_score_time]
		return
	}
	
	set diff [expr $trivia_score_time - $now]
	putloglev d * "trivia_score_time_left: difference is $diff seconds"

	if {$diff > 60} {
		return [trivia_time_to_words $diff]
	} else {
		return "less than a minute"
	}
}
#>>>

proc trivia_time_to_words { time } {
#<<<
	putloglev 2 * "trivia_time_to_words $time"
	set output ""

	if {$time > 86400} {
		set days [expr $time / 86400]
		append output $days
		append output " day"
		if {$days > 1} {
			append output "s"
		}
		set time [expr $time - [expr $days * 86400]]
	append output " "
	}

	if {$time > 3600} {
		set hours [expr $time / 3600]
		append output $hours
		append output " hour"
		if {$hours > 1} {
			append output "s"
		}
		set time [expr $time - [expr $hours * 3600]]
	append output " "
	}

	if {$time > 60} {
		set mins [expr $time / 60]
		append output $mins
		append output " minute"
		if {$mins > 1} {
			append output "s"
		}
	}

	set output [string trim $output]
	putloglev d * "trivia_time_to_words returing $output"
	return $output
}
#>>>

proc trivia_score_rot_timer { } {
	global trivia_score_time trivia_channel trivia_c trivia_asking_question trivia_warned

	#putloglev 1 * "score_rot tick"
	utimer 10 trivia_score_rot_timer

	if {[clock seconds] > $trivia_score_time} {
		#end of week!

		putlog "trivia: end of week"

		if {$trivia_asking_question == 1} {
			putlog "trivia: game is running"
			if {$trivia_warned == 0} {
				putlog "trivia: need to warn"
				putquick "PRIVMSG $trivia_channel :$trivia_c(red)### BING BONG ###"
				putquick "PRIVMSG $trivia_channel :I've started so I'll finish."
				set trivia_warned 1
			}
			return 0
		} else {
			putlog "trivia: not running game, ending week now"
			trivia_end_week
			return 0
		}
	}
	set trivia_warned 0
}
#>>>

# handle end of week
proc trivia_end_week { } {
#<<<
	global trivia_channel trivia_score_time

	# set next week end
	trivia_score_get_time

	# move scores around
	trivia_score_winners
#>>>
}

# Announce the time remaining
proc trivia_countdown { } {
#<<<
	global trivia_channel

	putserv "PRIVMSG $trivia_channel :[trivia_score_time_left] left until end of this game."
}
#>>>

trivia_connect
trivia_score_get_time
utimer 10 trivia_score_rot_timer

putlog {TriviaEngine ENGAGED(*$£&($}

if {$trivia_must_rehash == 2} {
  putlog "Auto-restarting trivia..."
	trivia_start
	set trivia_must_rehash 0
}