# This action will check that LinuxGSM is picking up game server config and parameter variables.
name: Details Check
on:
  workflow_dispatch:
  push:
    branches:
      - develop
  pull_request:
    branches:
      - develop

permissions:
  contents: read

concurrency:
  group: details-check-${{ github.ref_name }}
  cancel-in-progress: true

env:
  LGSM_REF: ${{ github.event.pull_request.head.sha || github.sha }}

jobs:
  create-matrix:
    if: github.repository_owner == 'GameServerManagers'
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
      legacy: ${{ steps.set-matrix.outputs.legacy }}
    steps:
      - name: Checkout
        uses: actions/checkout@v7
        with:
          ref: ${{ env.LGSM_REF }}
          # Full history so the base branch ref is available for the
          # `git diff origin/<base>...HEAD` comparison below (a shallow
          # checkout has no origin/<base> and the diff fails).
          fetch-depth: 0

      - name: Detect targeted servers (PR only)
        id: targeted
        if: github.event_name == 'pull_request'
        run: |
          changed=$(git diff --name-only origin/${{ github.base_ref }}...HEAD)
          echo "Changed files:"
          echo "$changed"

          # Only these modules directly affect what 'details', 'parse-game-details'
          # and 'query-raw' output. Everything else (install, fix, update, check_*,
          # data CSVs, game icons, etc.) is irrelevant to this check.
          details_core='^(linuxgsm\.sh|lgsm/modules/(info_game|info_messages|command_details|command_dev_parse_game_details|command_dev_query_raw|core_modules)\.sh|\.github/workflows/action-details-check\.yml|\.github/scripts/details-check-.*\.sh)$'
          if echo "$changed" | grep -qE "${details_core}"; then
            echo "Details-relevant core file changed — using full matrix."
            echo "mode=full" >> "$GITHUB_OUTPUT"
          else
            # Extract shortnames from changed config-lgsm paths
            shortnames=$(echo "$changed" \
              | grep -oE 'lgsm/config-default/config-lgsm/[a-z0-9]+server' \
              | sed 's|lgsm/config-default/config-lgsm/||;s|server$||' \
              | sort -u)
            if [ -z "$shortnames" ]; then
              echo "No server configs or core files changed — skipping matrix."
              echo "mode=skip" >> "$GITHUB_OUTPUT"
            else
              echo "Targeted servers: $shortnames"
              echo "mode=targeted" >> "$GITHUB_OUTPUT"
              echo "$shortnames" > targeted_shortnames.txt
            fi
          fi

      - name: Generate matrix
        if: github.event_name != 'pull_request' || steps.targeted.outputs.mode != 'skip'
        run: |
          if [ -f targeted_shortnames.txt ]; then
            TARGETED_SHORTNAMES=$(cat targeted_shortnames.txt) .github/scripts/details-check-generate-matrix.sh
          else
            .github/scripts/details-check-generate-matrix.sh
          fi

      - name: Set Matrix
        id: set-matrix
        run: |
          if [ ! -f shards.json ]; then
            echo 'matrix={"include":[]}' >> "$GITHUB_OUTPUT"
            echo 'legacy=' >> "$GITHUB_OUTPUT"
          else
            cat shards.json
            echo "matrix=$(cat shards.json)" >> "$GITHUB_OUTPUT"
            echo "legacy=$(cat legacy.txt)" >> "$GITHUB_OUTPUT"
          fi

  details-check:
    name: details-check (${{ matrix.shard }})
    # Skip (rather than fail the run) when create-matrix found nothing to check.
    if: github.repository_owner == 'GameServerManagers' && needs.create-matrix.outputs.matrix != '{"include":[]}'
    needs: create-matrix
    continue-on-error: true
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix: ${{ fromJSON(needs.create-matrix.outputs.matrix) }}
    steps:
      - name: Checkout
        uses: actions/checkout@v7
        with:
          ref: ${{ env.LGSM_REF }}

      - name: Cache apt packages
        uses: actions/cache@v6
        with:
          path: /var/cache/apt/archives
          key: apt-${{ runner.os }}-libxml2-utils-jq

      - name: Install dependencies
        run: sudo apt-get update && sudo apt-get install -y --no-install-recommends libxml2-utils jq

      - name: Details check
        run: .github/scripts/details-check-run.sh ${{ matrix.shortnames }}

  details-check-legacy:
    name: details-check (legacy)
    if: github.repository_owner == 'GameServerManagers' && needs.create-matrix.outputs.legacy != ''
    needs: create-matrix
    continue-on-error: true
    runs-on: ubuntu-latest
    container: public.ecr.aws/ubuntu/ubuntu:20.04
    steps:
      - name: Install dependencies
        env:
          DEBIAN_FRONTEND: noninteractive
        run: |
          apt-get update
          apt-get install -y --no-install-recommends ca-certificates curl wget git sudo iproute2 libxml2-utils jq \
            bc binutils bsdmainutils bzip2 cpio distro-info file gzip hostname lib32gcc-s1 lib32stdc++6 \
            netcat-openbsd pigz python3 tar tmux unzip util-linux uuid-runtime xz-utils

      - name: Checkout
        uses: actions/checkout@v7
        with:
          ref: ${{ env.LGSM_REF }}

      - name: Details check
        run: |
          useradd -m linuxgsm
          echo "linuxgsm ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/linuxgsm
          chown -R linuxgsm:linuxgsm "${GITHUB_WORKSPACE}"
          chmod a+w "${GITHUB_STEP_SUMMARY}"
          sudo -u linuxgsm -H env LGSM_REF="${LGSM_REF}" GITHUB_WORKSPACE="${GITHUB_WORKSPACE}" GITHUB_STEP_SUMMARY="${GITHUB_STEP_SUMMARY}" \
            "${GITHUB_WORKSPACE}/.github/scripts/details-check-run.sh" ${{ needs.create-matrix.outputs.legacy }}