torqvoice/prisma/schema.prisma

generator client {
  provider = "prisma-client-js"
}

datasource db {
  provider = "postgresql"
  url      = env("DATABASE_URL")
}

model User {
  id            String   @id @default(cuid())
  name          String
  email         String   @unique
  emailVerified Boolean  @default(false)
  image         String?
  isSuperAdmin  Boolean  @default(false)
  createdAt     DateTime @default(now())
  updatedAt     DateTime @updatedAt

  twoFactorEnabled Boolean   @default(false)
  termsAcceptedAt  DateTime?
  lastLogin        DateTime?
  lastSeen         DateTime?

  sessions               Session[]
  accounts               Account[]
  vehicles               Vehicle[]
  customers              Customer[]
  settings               AppSetting[]
  inventoryParts         InventoryPart[]
  quotes                 Quote[]
  customFieldDefinitions CustomFieldDefinition[]
  twoFactor              TwoFactor?
  passkeys               Passkey[]
  organizationMembers    OrganizationMember[]
  auditLogs              AuditLog[]
  technicians            Technician[]

  @@map("users")
}

model AppSetting {
  id    String @id @default(cuid())
  key   String
  value String

  userId String
  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)

  organizationId String?
  organization   Organization? @relation(fields: [organizationId], references: [id], onDelete: Cascade)

  @@unique([organizationId, key])
  @@index([organizationId])
  @@map("app_settings")
}

model Session {
  id        String   @id @default(cuid())
  expiresAt DateTime
  token     String   @unique
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  ipAddress String?
  userAgent String?

  userId String
  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
  @@map("sessions")
}

model Account {
  id                    String    @id @default(cuid())
  accountId             String
  providerId            String
  userId                String
  user                  User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  accessToken           String?
  refreshToken          String?
  idToken               String?
  accessTokenExpiresAt  DateTime?
  refreshTokenExpiresAt DateTime?
  scope                 String?
  password              String?
  createdAt             DateTime  @default(now())
  updatedAt             DateTime  @updatedAt

  @@index([userId])
  @@map("accounts")
}

model Verification {
  id         String    @id @default(cuid())
  identifier String    @unique
  value      String
  expiresAt  DateTime
  createdAt  DateTime? @default(now())
  updatedAt  DateTime? @updatedAt

  @@map("verifications")
}

model TwoFactor {
  id          String @id @default(cuid())
  secret      String
  backupCodes String
  userId      String @unique
  user        User   @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@map("two_factor")
}

model Passkey {
  id           String   @id @default(cuid())
  name         String?
  publicKey    String
  userId       String
  user         User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  credentialID String   @unique
  counter      Int
  deviceType   String
  backedUp     Boolean
  transports   String?
  aaguid       String?
  createdAt    DateTime @default(now())

  @@index([userId])
  @@map("passkeys")
}

model Vehicle {
  id                     String               @id @default(cuid())
  make                   String
  model                  String
  year                   Int
  vin                    String?
  licensePlate           String?
  color                  String?
  mileage                Int                  @default(0)
  fuelType               String?              @default("gasoline")
  transmission           String?              @default("automatic")
  engineSize             String?
  purchaseDate           DateTime?
  purchasePrice          Float?
  imageUrl               String?
  isArchived             Boolean              @default(false)
  archiveReason          String?
  maintenanceDismissed   Boolean              @default(false)
  maintenanceDismissedAt DateTime?
  aiMessages             AiGeneratedMessage[]
  createdAt              DateTime             @default(now())
  updatedAt              DateTime             @updatedAt

  userId String
  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)

  organizationId String?
  organization   Organization? @relation(fields: [organizationId], references: [id], onDelete: Cascade)

  customerId String?
  customer   Customer? @relation(fields: [customerId], references: [id], onDelete: SetNull)

  serviceRecords    ServiceRecord[]
  notes             Note[]
  fuelLogs          FuelLog[]
  reminders         Reminder[]
  quotes            Quote[]
  recurringInvoices RecurringInvoice[]
  inspections       Inspection[]
  serviceRequests   ServiceRequest[]

  @@index([organizationId])
  @@map("vehicles")
}

model ServiceRecord {
  id              String    @id @default(cuid())
  title           String
  description     String?
  type            String    @default("maintenance")
  status          String    @default("completed")
  cost            Float     @default(0)
  mileage         Int?
  serviceDate     DateTime  @default(now())
  startDateTime   DateTime?
  endDateTime     DateTime?
  shopName        String?
  techName        String?
  parts           String?
  laborHours      Float?
  diagnosticNotes String?
  invoiceNotes    String?
  subtotal        Float     @default(0)
  taxRate         Float     @default(0)
  taxAmount       Float     @default(0)
  totalAmount     Float     @default(0)
  invoiceNumber   String?
  invoiceDate     DateTime?
  invoiceDueDate  DateTime?
  discountType    String?
  discountValue   Float     @default(0)
  discountAmount  Float     @default(0)
  manuallyPaid    Boolean   @default(false)
  publicToken     String?   @unique
  sharedAt        DateTime?
  viewCount       Int       @default(0)
  lastViewedAt    DateTime?
  createdAt       DateTime  @default(now())
  updatedAt       DateTime  @updatedAt

  vehicleId String
  vehicle   Vehicle @relation(fields: [vehicleId], references: [id], onDelete: Cascade)

  technicianId String?
  technician   Technician? @relation(fields: [technicianId], references: [id], onDelete: SetNull)
  sortOrder    Int         @default(0)

  partItems   ServicePart[]
  laborItems  ServiceLabor[]
  attachments ServiceAttachment[]
  payments    Payment[]

  @@index([vehicleId])
  @@index([technicianId])
  @@map("service_records")
}

model Note {
  id        String   @id @default(cuid())
  title     String
  content   String
  isPinned  Boolean  @default(false)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  vehicleId String
  vehicle   Vehicle @relation(fields: [vehicleId], references: [id], onDelete: Cascade)

  @@index([vehicleId])
  @@map("notes")
}

model FuelLog {
  id             String   @id @default(cuid())
  date           DateTime @default(now())
  mileage        Int
  gallons        Float
  pricePerGallon Float
  totalCost      Float
  isFillUp       Boolean  @default(true)
  station        String?
  notes          String?
  createdAt      DateTime @default(now())
  updatedAt      DateTime @updatedAt

  vehicleId String
  vehicle   Vehicle @relation(fields: [vehicleId], references: [id], onDelete: Cascade)

  @@index([vehicleId])
  @@map("fuel_logs")
}

model Reminder {
  id          String    @id @default(cuid())
  title       String
  description String?
  dueDate     DateTime?
  dueMileage  Int?
  isCompleted Boolean   @default(false)
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  vehicleId String
  vehicle   Vehicle @relation(fields: [vehicleId], references: [id], onDelete: Cascade)

  @@index([vehicleId])
  @@map("reminders")
}

model Customer {
  id             String   @id @default(cuid())
  name           String
  email          String?
  phone          String?
  address        String?
  company        String?
  notes          String?
  telegramChatId String?
  createdAt      DateTime @default(now())
  updatedAt      DateTime @updatedAt

  userId String
  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)

  organizationId String?
  organization   Organization? @relation(fields: [organizationId], references: [id], onDelete: Cascade)

  vehicles         Vehicle[]
  quotes           Quote[]
  smsMessages      SmsMessage[]
  telegramMessages TelegramMessage[]
  customerSessions CustomerSession[]
  serviceRequests  ServiceRequest[]

  @@index([organizationId])
  @@map("customers")
}

model Payment {
  id         String   @id @default(cuid())
  amount     Float
  date       DateTime @default(now())
  method     String   @default("other")
  note       String?
  provider   String?
  externalId String?
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

  serviceRecordId String
  serviceRecord   ServiceRecord @relation(fields: [serviceRecordId], references: [id], onDelete: Cascade)

  @@index([serviceRecordId])
  @@map("payments")
}

model ServiceAttachment {
  id               String   @id @default(cuid())
  fileName         String
  fileUrl          String
  fileType         String
  fileSize         Int
  category         String   @default("diagnostic")
  description      String?
  includeInInvoice Boolean  @default(true)
  createdAt        DateTime @default(now())

  serviceRecordId String
  serviceRecord   ServiceRecord @relation(fields: [serviceRecordId], references: [id], onDelete: Cascade)

  @@index([serviceRecordId])
  @@map("service_attachments")
}

model ServicePart {
  id              String  @id @default(cuid())
  partNumber      String?
  name            String
  quantity        Float   @default(1)
  unitPrice       Float   @default(0)
  total           Float   @default(0)
  unitCost        Float   @default(0)
  inventoryPartId String?

  serviceRecordId String
  serviceRecord   ServiceRecord @relation(fields: [serviceRecordId], references: [id], onDelete: Cascade)

  @@index([serviceRecordId])
  @@map("service_parts")
}

model ServiceLabor {
  id          String @id @default(cuid())
  description String
  hours       Float  @default(0)
  rate        Float  @default(0)
  total       Float  @default(0)
  pricingType String @default("hourly")

  serviceRecordId String
  serviceRecord   ServiceRecord @relation(fields: [serviceRecordId], references: [id], onDelete: Cascade)

  @@index([serviceRecordId])
  @@map("service_labor")
}

model LaborPreset {
  id             String            @id @default(cuid())
  name           String
  description    String?
  isArchived     Boolean           @default(false)
  createdAt      DateTime          @default(now())
  updatedAt      DateTime          @updatedAt
  userId         String
  organizationId String
  organization   Organization      @relation(fields: [organizationId], references: [id], onDelete: Cascade)
  items          LaborPresetItem[]

  @@index([organizationId])
  @@map("labor_presets")
}

model LaborPresetItem {
  id          String      @id @default(cuid())
  description String
  hours       Float       @default(0)
  rate        Float       @default(0)
  pricingType String      @default("hourly")
  sortOrder   Int         @default(0)
  presetId    String
  preset      LaborPreset @relation(fields: [presetId], references: [id], onDelete: Cascade)

  @@index([presetId])
  @@map("labor_preset_items")
}

model InventoryPart {
  id            String   @id @default(cuid())
  partNumber    String?
  barcode       String?
  name          String
  description   String?
  category      String?
  quantity      Int      @default(0)
  minQuantity   Int      @default(0)
  unitCost      Float    @default(0)
  sellPrice     Float    @default(0)
  supplier      String?
  supplierPhone String?
  supplierEmail String?
  supplierUrl   String?
  imageUrl      String?
  location      String?
  isArchived    Boolean  @default(false)
  createdAt     DateTime @default(now())
  updatedAt     DateTime @updatedAt

  userId String
  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)

  organizationId String?
  organization   Organization? @relation(fields: [organizationId], references: [id], onDelete: Cascade)

  gallery StoredImage[] @relation("InventoryPartImages")

  @@index([organizationId])
  @@map("inventory_parts")
}

model StoredImage {
  id          String   @id @default(cuid())
  url         String
  fileName    String?
  description String?
  sortOrder   Int      @default(0)
  createdAt   DateTime @default(now())

  inventoryPartId String?
  inventoryPart   InventoryPart? @relation("InventoryPartImages", fields: [inventoryPartId], references: [id], onDelete: Cascade)

  @@index([inventoryPartId])
  @@map("stored_images")
}

model Quote {
  id              String    @id @default(cuid())
  quoteNumber     String?
  title           String
  description     String?
  status          String    @default("draft")
  validUntil      DateTime?
  subtotal        Float     @default(0)
  taxRate         Float     @default(0)
  taxAmount       Float     @default(0)
  discountType    String?
  discountValue   Float     @default(0)
  discountAmount  Float     @default(0)
  totalAmount     Float     @default(0)
  notes           String?
  publicToken     String?
  sharedAt        DateTime?
  viewCount       Int       @default(0)
  lastViewedAt    DateTime?
  customerMessage String?
  convertedToId   String?
  createdAt       DateTime  @default(now())
  updatedAt       DateTime  @updatedAt

  userId String
  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)

  organizationId String?
  organization   Organization? @relation(fields: [organizationId], references: [id], onDelete: Cascade)

  customerId String?
  customer   Customer? @relation(fields: [customerId], references: [id], onDelete: SetNull)

  vehicleId String?
  vehicle   Vehicle? @relation(fields: [vehicleId], references: [id], onDelete: SetNull)

  inspectionId String?
  inspection   Inspection? @relation(fields: [inspectionId], references: [id], onDelete: SetNull)

  partItems   QuotePart[]
  laborItems  QuoteLabor[]
  attachments QuoteAttachment[]

  @@index([organizationId])
  @@map("quotes")
}

model QuoteAttachment {
  id               String   @id @default(cuid())
  fileName         String
  fileUrl          String
  fileType         String
  fileSize         Int
  category         String   @default("image")
  description      String?
  includeInInvoice Boolean  @default(true)
  createdAt        DateTime @default(now())

  quoteId String
  quote   Quote  @relation(fields: [quoteId], references: [id], onDelete: Cascade)

  @@index([quoteId])
  @@map("quote_attachments")
}

model QuotePart {
  id         String  @id @default(cuid())
  partNumber String?
  name       String
  quantity   Float   @default(1)
  unitPrice  Float   @default(0)
  total      Float   @default(0)
  excluded   Boolean @default(false)

  quoteId String
  quote   Quote  @relation(fields: [quoteId], references: [id], onDelete: Cascade)

  @@index([quoteId])
  @@map("quote_parts")
}

model QuoteLabor {
  id          String  @id @default(cuid())
  description String
  hours       Float   @default(0)
  rate        Float   @default(0)
  total       Float   @default(0)
  pricingType String  @default("hourly")
  excluded    Boolean @default(false)

  quoteId String
  quote   Quote  @relation(fields: [quoteId], references: [id], onDelete: Cascade)

  @@index([quoteId])
  @@map("quote_labor")
}

model CustomFieldDefinition {
  id         String   @id @default(cuid())
  name       String
  label      String
  fieldType  String   @default("text")
  options    String?
  required   Boolean  @default(false)
  entityType String
  sortOrder  Int      @default(0)
  isActive   Boolean  @default(true)
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

  userId String
  user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)

  organizationId String?
  organization   Organization? @relation(fields: [organizationId], references: [id], onDelete: Cascade)

  values CustomFieldValue[]

  @@unique([organizationId, name, entityType])
  @@index([organizationId])
  @@map("custom_field_definitions")
}

model CustomFieldValue {
  id         String @id @default(cuid())
  value      String
  entityId   String
  entityType String

  fieldId String
  field   CustomFieldDefinition @relation(fields: [fieldId], references: [id], onDelete: Cascade)

  @@unique([fieldId, entityId])
  @@index([fieldId])
  @@map("custom_field_values")
}

model Organization {
  id         String   @id @default(cuid())
  name       String
  portalSlug String?  @unique
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

  members                OrganizationMember[]
  roles                  Role[]
  vehicles               Vehicle[]
  customers              Customer[]
  quotes                 Quote[]
  inventoryParts         InventoryPart[]
  laborPresets           LaborPreset[]
  customFieldDefinitions CustomFieldDefinition[]
  settings               AppSetting[]
  subscription           Subscription?
  invitations            TeamInvitation[]
  inspectionTemplates    InspectionTemplate[]
  smsMessages            SmsMessage[]
  telegramMessages       TelegramMessage[]
  technicians            Technician[]
  auditLogs              AuditLog[]

  @@map("organizations")
}

model OrganizationMember {
  id   String @id @default(cuid())
  role String @default("member")

  userId         String
  user           User         @relation(fields: [userId], references: [id], onDelete: Cascade)
  organizationId String
  organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)

  roleId     String?
  customRole Role?   @relation(fields: [roleId], references: [id], onDelete: SetNull)

  @@unique([userId, organizationId])
  @@map("organization_members")
}

model Role {
  id        String   @id @default(cuid())
  name      String
  isAdmin   Boolean  @default(false)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  organizationId String
  organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)

  permissions     Permission[]
  members         OrganizationMember[]
  teamInvitations TeamInvitation[]

  @@unique([organizationId, name])
  @@map("roles")
}

model Permission {
  id      String @id @default(cuid())
  action  String
  subject String

  roleId String
  role   Role   @relation(fields: [roleId], references: [id], onDelete: Cascade)

  @@unique([roleId, action, subject])
  @@index([roleId])
  @@map("permissions")
}

model SystemSetting {
  id    String @id @default(cuid())
  key   String @unique
  value String

  @@map("system_settings")
}

model TeamInvitation {
  id             String       @id @default(cuid())
  email          String
  role           String       @default("member")
  token          String       @unique
  status         String       @default("pending") // pending | accepted | cancelled
  expiresAt      DateTime
  createdAt      DateTime     @default(now())
  organizationId String
  organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)
  invitedById    String

  roleId     String?
  customRole Role?   @relation(fields: [roleId], references: [id], onDelete: SetNull)

  @@unique([email, organizationId])
  @@index([token])
  @@map("team_invitations")
}

// Stripe-ready models (implementation in follow-up)

model SubscriptionPlan {
  id            String   @id @default(cuid())
  name          String
  stripePriceId String?  @unique
  price         Float    @default(0)
  interval      String   @default("month") // "month" | "year"
  maxMembers    Int      @default(1)
  features      String? // JSON feature flags
  isActive      Boolean  @default(true)
  createdAt     DateTime @default(now())
  updatedAt     DateTime @updatedAt

  subscriptions Subscription[]

  @@map("subscription_plans")
}

model Subscription {
  id                   String    @id @default(cuid())
  status               String    @default("active") // active | canceled | past_due | trialing
  stripeSubscriptionId String?   @unique
  stripeCustomerId     String?
  currentPeriodStart   DateTime?
  currentPeriodEnd     DateTime?
  cancelAtPeriodEnd    Boolean   @default(false)
  createdAt            DateTime  @default(now())
  updatedAt            DateTime  @updatedAt

  organizationId String       @unique
  organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)

  planId String
  plan   SubscriptionPlan @relation(fields: [planId], references: [id])

  @@map("subscriptions")
}

model RecurringInvoice {
  id          String    @id @default(cuid())
  title       String
  description String?
  frequency   String // "weekly" | "biweekly" | "monthly" | "quarterly" | "yearly"
  nextRunDate DateTime
  endDate     DateTime?
  isActive    Boolean   @default(true)
  lastRunAt   DateTime?
  runCount    Int       @default(0)

  // Template fields (copied to ServiceRecord on generation)
  type         String  @default("maintenance")
  cost         Float   @default(0)
  taxRate      Float   @default(0)
  invoiceNotes String?

  vehicleId String
  vehicle   Vehicle @relation(fields: [vehicleId], references: [id], onDelete: Cascade)

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  templateParts RecurringPart[]
  templateLabor RecurringLabor[]

  @@index([vehicleId])
  @@index([nextRunDate, isActive])
  @@map("recurring_invoices")
}

model RecurringPart {
  id         String  @id @default(cuid())
  name       String
  partNumber String?
  quantity   Int     @default(1)
  unitPrice  Float   @default(0)

  recurringInvoiceId String
  recurringInvoice   RecurringInvoice @relation(fields: [recurringInvoiceId], references: [id], onDelete: Cascade)

  @@map("recurring_parts")
}

model RecurringLabor {
  id          String @id @default(cuid())
  description String
  hours       Float  @default(0)
  rate        Float  @default(0)
  pricingType String @default("hourly")

  recurringInvoiceId String
  recurringInvoice   RecurringInvoice @relation(fields: [recurringInvoiceId], references: [id], onDelete: Cascade)

  @@map("recurring_labor")
}

model InspectionTemplate {
  id          String   @id @default(cuid())
  name        String
  description String?
  isDefault   Boolean  @default(false)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt

  organizationId String
  organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)

  sections    InspectionTemplateSection[]
  inspections Inspection[]

  @@index([organizationId])
  @@map("inspection_templates")
}

model InspectionTemplateSection {
  id        String @id @default(cuid())
  name      String
  sortOrder Int    @default(0)

  templateId String
  template   InspectionTemplate @relation(fields: [templateId], references: [id], onDelete: Cascade)

  items InspectionTemplateItem[]

  @@index([templateId])
  @@map("inspection_template_sections")
}

model InspectionTemplateItem {
  id        String @id @default(cuid())
  name      String
  sortOrder Int    @default(0)

  sectionId String
  section   InspectionTemplateSection @relation(fields: [sectionId], references: [id], onDelete: Cascade)

  @@index([sectionId])
  @@map("inspection_template_items")
}

model Inspection {
  id            String    @id @default(cuid())
  status        String    @default("in_progress")
  mileage       Int?
  notes         String?
  startDateTime DateTime?
  endDateTime   DateTime?
  publicToken   String?   @unique
  completedAt   DateTime?
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt

  vehicleId String
  vehicle   Vehicle @relation(fields: [vehicleId], references: [id], onDelete: Cascade)

  templateId String
  template   InspectionTemplate @relation(fields: [templateId], references: [id])

  technicianId String?
  technician   Technician? @relation(fields: [technicianId], references: [id], onDelete: SetNull)
  sortOrder    Int         @default(0)

  organizationId String

  items         InspectionItem[]
  quoteRequests InspectionQuoteRequest[]
  quotes        Quote[]

  @@index([vehicleId])
  @@index([organizationId])
  @@index([technicianId])
  @@map("inspections")
}

model InspectionItem {
  id        String   @id @default(cuid())
  name      String
  section   String
  sortOrder Int      @default(0)
  condition String   @default("not_inspected")
  notes     String?
  imageUrls String[] @default([])

  inspectionId String
  inspection   Inspection @relation(fields: [inspectionId], references: [id], onDelete: Cascade)

  @@index([inspectionId])
  @@map("inspection_items")
}

model InspectionQuoteRequest {
  id              String   @id @default(cuid())
  status          String   @default("pending")
  message         String?
  selectedItemIds String[]
  createdAt       DateTime @default(now())

  inspectionId String
  inspection   Inspection @relation(fields: [inspectionId], references: [id], onDelete: Cascade)

  organizationId String

  @@index([organizationId])
  @@index([inspectionId])
  @@map("inspection_quote_requests")
}

model Notification {
  id             String   @id @default(cuid())
  type           String
  title          String
  message        String
  entityType     String
  entityId       String
  entityUrl      String
  read           Boolean  @default(false)
  organizationId String
  createdAt      DateTime @default(now())

  @@index([organizationId, createdAt(sort: Desc)])
  @@index([organizationId, read])
  @@map("notifications")
}

model SmsMessage {
  id                String   @id @default(cuid())
  direction         String // "inbound" | "outbound"
  fromNumber        String
  toNumber          String
  body              String
  status            String   @default("queued") // queued | sent | delivered | failed | received
  providerMsgId     String?
  errorMessage      String?
  relatedEntityType String?
  relatedEntityId   String?
  createdAt         DateTime @default(now())
  updatedAt         DateTime @updatedAt

  organizationId String
  organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)

  customerId String?
  customer   Customer? @relation(fields: [customerId], references: [id], onDelete: SetNull)

  @@index([organizationId, customerId, createdAt(sort: Desc)])
  @@index([organizationId, createdAt(sort: Desc)])
  @@index([toNumber, organizationId])
  @@map("sms_messages")
}

model TelegramMessage {
  id                String   @id @default(cuid())
  direction         String // "inbound" | "outbound"
  chatId            String // Telegram chat ID
  body              String
  status            String   @default("queued") // queued | sent | delivered | failed | received
  telegramMessageId String? // Telegram's message ID for tracking
  errorMessage      String?
  relatedEntityType String?
  relatedEntityId   String?
  createdAt         DateTime @default(now())
  updatedAt         DateTime @updatedAt

  organizationId String
  organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)

  customerId String?
  customer   Customer? @relation(fields: [customerId], references: [id], onDelete: SetNull)

  @@index([organizationId, customerId, createdAt(sort: Desc)])
  @@index([organizationId, chatId, createdAt(sort: Desc)])
  @@map("telegram_messages")
}

model Technician {
  id            String  @id @default(cuid())
  name          String
  color         String  @default("#3b82f6")
  isActive      Boolean @default(true)
  sortOrder     Int     @default(0)
  dailyCapacity Int     @default(480)

  userId   String?
  user     User?   @relation(fields: [userId], references: [id], onDelete: SetNull)

  organizationId String
  organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)

  serviceRecords ServiceRecord[]
  inspections    Inspection[]

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([organizationId])
  @@map("technicians")
}

model AuditLog {
  id        String   @id @default(cuid())
  timestamp DateTime @default(now())
  action    String
  entity    String?
  entityId  String?
  message   String?
  metadata  Json?
  ip        String?
  userAgent String?

  userId String?
  user   User?   @relation(fields: [userId], references: [id], onDelete: SetNull)

  organizationId String?
  organization   Organization? @relation(fields: [organizationId], references: [id], onDelete: SetNull)

  @@index([organizationId, timestamp(sort: Desc)])
  @@index([userId, timestamp(sort: Desc)])
  @@index([action, timestamp(sort: Desc)])
  @@map("audit_logs")
}

model CustomerSession {
  id        String   @id @default(cuid())
  token     String   @unique
  expiresAt DateTime
  createdAt DateTime @default(now())

  customerId     String
  customer       Customer @relation(fields: [customerId], references: [id], onDelete: Cascade)
  organizationId String

  @@index([token])
  @@index([customerId, organizationId])
  @@map("customer_sessions")
}

model CustomerMagicLink {
  id             String    @id @default(cuid())
  token          String    @unique
  email          String
  organizationId String
  expiresAt      DateTime
  usedAt         DateTime?
  createdAt      DateTime  @default(now())

  @@index([token])
  @@map("customer_magic_links")
}

model ServiceRequest {
  id            String    @id @default(cuid())
  description   String
  preferredDate DateTime?
  status        String    @default("pending")
  adminNotes    String?
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt

  customerId     String
  customer       Customer @relation(fields: [customerId], references: [id], onDelete: Cascade)
  vehicleId      String
  vehicle        Vehicle  @relation(fields: [vehicleId], references: [id], onDelete: Cascade)
  organizationId String

  @@index([organizationId, status])
  @@index([customerId])
  @@map("service_requests")
}

model AiGeneratedMessage {
  id        String   @id @default(cuid())
  vehicleId String
  type      String // "summary" | "common_issues" | etc.
  content   String
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  vehicle Vehicle @relation(fields: [vehicleId], references: [id], onDelete: Cascade)

  @@unique([vehicleId, type])
  @@map("ai_generated_messages")
}

model AiChat {
  id        String   @id @default(cuid())
  title     String   @default("New chat")
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  userId         String
  organizationId String

  messages AiChatMessage[]

  @@index([organizationId, userId, updatedAt(sort: Desc)])
  @@map("ai_chats")
}

model AiChatMessage {
  id        String   @id @default(cuid())
  role      String // "user" | "assistant"
  content   String
  createdAt DateTime @default(now())

  chatId String
  chat   AiChat @relation(fields: [chatId], references: [id], onDelete: Cascade)

  @@index([chatId, createdAt])
  @@map("ai_chat_messages")
}