// InnungsApp — Prisma Schema
// Stack: PostgreSQL + Prisma ORM + better-auth

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

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

// =============================================
// BETTER-AUTH TABLES
// =============================================

model User {
  id            String    @id
  name          String
  email         String    @unique
  emailVerified Boolean   @default(false) @map("email_verified")
  image         String?
  createdAt     DateTime  @default(now()) @map("created_at")
  updatedAt     DateTime  @updatedAt @map("updated_at")

  // better-auth admin plugin fields
  role          String?
  banned        Boolean?  @default(false)
  banReason     String?   @map("ban_reason")
  banExpires    DateTime? @map("ban_expires")

  // Password management
  mustChangePassword Boolean? @default(false) @map("must_change_password")

  // App relations
  sessions      Session[]
  accounts      Account[]
  member        Member?
  userRoles     UserRole[]

  @@map("user")
}

model Session {
  id        String   @id
  expiresAt DateTime @map("expires_at")
  token     String   @unique
  createdAt DateTime @default(now()) @map("created_at")
  updatedAt DateTime @updatedAt @map("updated_at")
  ipAddress String?  @map("ip_address")
  userAgent String?  @map("user_agent")
  userId    String   @map("user_id")
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@map("session")
}

model Account {
  id                    String    @id
  accountId             String    @map("account_id")
  providerId            String    @map("provider_id")
  userId                String    @map("user_id")
  user                  User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  accessToken           String?   @map("access_token")
  refreshToken          String?   @map("refresh_token")
  idToken               String?   @map("id_token")
  accessTokenExpiresAt  DateTime? @map("access_token_expires_at")
  refreshTokenExpiresAt DateTime? @map("refresh_token_expires_at")
  scope                 String?
  password              String?
  createdAt             DateTime  @default(now()) @map("created_at")
  updatedAt             DateTime  @updatedAt @map("updated_at")

  @@map("account")
}

model Verification {
  id         String    @id
  identifier String
  value      String
  expiresAt  DateTime  @map("expires_at")
  createdAt  DateTime? @default(now()) @map("created_at")
  updatedAt  DateTime? @updatedAt @map("updated_at")

  @@map("verification")
}

// =============================================
// ORGANIZATIONS
// =============================================

model Organization {
  id           String    @id @default(uuid())
  name         String
  slug         String    @unique
  plan         String    @default("pilot") // pilot | standard | pro | verband
  logoUrl      String?   @map("logo_url")
  primaryColor String    @default("#E63946") @map("primary_color")
  secondaryColor String? @map("secondary_color")
  contactEmail String?   @map("contact_email")
  avvAccepted  Boolean   @default(false) @map("avv_accepted")
  avvAcceptedAt DateTime? @map("avv_accepted_at")
  landingPageTitle String? @map("landing_page_title")
  landingPageText  String? @map("landing_page_text")
  landingPageSectionTitle String? @map("landing_page_section_title")
  landingPageButtonText String? @map("landing_page_button_text")
  landingPageHeroImage String? @map("landing_page_hero_image")
  landingPageHeroOverlayOpacity Int? @default(50) @map("landing_page_hero_overlay_opacity")
  landingPageFeatures  Json? @map("landing_page_features") @db.JsonB
  landingPageFooter    Json? @map("landing_page_footer") @db.JsonB
  appStoreUrl      String? @map("app_store_url")
  playStoreUrl     String? @map("play_store_url")
  aiEnabled    Boolean   @default(false) @map("ai_enabled")
  createdAt    DateTime  @default(now()) @map("created_at")

  members      Member[]
  userRoles    UserRole[]
  news         News[]
  stellen      Stelle[]
  termine      Termin[]

  @@map("organizations")
}

// =============================================
// MEMBERS
// =============================================

model Member {
  id                    String   @id @default(uuid())
  orgId                 String   @map("org_id")
  userId                String?  @unique @map("user_id") // NULL until magic-link clicked
  name                  String
  betrieb               String
  sparte                String
  ort                   String
  telefon               String?
  email                 String
  status                String   @default("aktiv") // aktiv | ruhend | ausgetreten
  istAusbildungsbetrieb Boolean  @default(false) @map("ist_ausbildungsbetrieb")
  seit                  Int?
  avatarUrl             String?  @map("avatar_url")
  pushToken             String?  @map("push_token")
  createdAt             DateTime @default(now()) @map("created_at")
  updatedAt             DateTime @updatedAt @map("updated_at")

  org                   Organization     @relation(fields: [orgId], references: [id], onDelete: Cascade)
  user                  User?            @relation(fields: [userId], references: [id], onDelete: SetNull)
  newsAuthored          News[]           @relation("NewsAuthor")
  stellen               Stelle[]
  terminAnmeldungen     TerminAnmeldung[]
  sentMessages          Message[]
  conversationMembers   ConversationMember[]

  @@index([orgId])
  @@index([status])
  @@map("members")
}

// =============================================
// USER ROLES (multi-tenancy)
// =============================================

model UserRole {
  id        String   @id @default(uuid())
  orgId     String   @map("org_id")
  userId    String   @map("user_id")
  role      String   // admin | member
  createdAt DateTime @default(now()) @map("created_at")

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

  @@unique([orgId, userId])
  @@map("user_roles")
}

// =============================================
// NEWS
// =============================================

model News {
  id          String    @id @default(uuid())
  orgId       String    @map("org_id")
  authorId    String?   @map("author_id")
  title       String
  body        String    // Markdown
  kategorie   String    // Wichtig | Pruefung | Foerderung | Veranstaltung | Allgemein
  publishedAt DateTime? @map("published_at") // NULL = Entwurf
  createdAt   DateTime  @default(now()) @map("created_at")

  org         Organization   @relation(fields: [orgId], references: [id], onDelete: Cascade)
  author      Member?        @relation("NewsAuthor", fields: [authorId], references: [id], onDelete: SetNull)
  reads       NewsRead[]
  attachments NewsAttachment[]

  @@index([orgId])
  @@index([publishedAt])
  @@map("news")
}

model NewsRead {
  id      String   @id @default(uuid())
  newsId  String   @map("news_id")
  userId  String   @map("user_id")
  readAt  DateTime @default(now()) @map("read_at")

  news    News     @relation(fields: [newsId], references: [id], onDelete: Cascade)

  @@unique([newsId, userId])
  @@map("news_reads")
}

model NewsAttachment {
  id          String   @id @default(uuid())
  newsId      String   @map("news_id")
  name        String
  storagePath String   @map("storage_path")
  mimeType    String?  @map("mime_type")
  sizeBytes   Int?     @map("size_bytes")
  createdAt   DateTime @default(now()) @map("created_at")

  news        News     @relation(fields: [newsId], references: [id], onDelete: Cascade)

  @@map("news_attachments")
}

// =============================================
// STELLENANGEBOTE (Lehrlingsbörse)
// =============================================

model Stelle {
  id           String   @id @default(uuid())
  orgId        String   @map("org_id")
  memberId     String   @map("member_id")
  sparte       String
  stellenAnz   Int      @default(1) @map("stellen_anz")
  verguetung   String?  // "600-800 € / Monat"
  lehrjahr     String?  // "1. Lehrjahr" | "beliebig"
  beschreibung String?
  kontaktEmail String   @map("kontakt_email")
  kontaktName  String?  @map("kontakt_name")
  aktiv        Boolean  @default(true)
  createdAt    DateTime @default(now()) @map("created_at")
  updatedAt    DateTime @updatedAt @map("updated_at")

  org          Organization @relation(fields: [orgId], references: [id], onDelete: Cascade)
  member       Member       @relation(fields: [memberId], references: [id], onDelete: Cascade)

  @@index([orgId])
  @@index([aktiv])
  @@map("stellen")
}

// =============================================
// TERMINE
// =============================================

model Termin {
  id            String    @id @default(uuid())
  orgId         String    @map("org_id")
  titel         String
  datum         DateTime
  uhrzeit       String?   // stored as "HH:MM"
  endeDatum     DateTime? @map("ende_datum")
  endeUhrzeit   String?   @map("ende_uhrzeit")
  ort           String?
  adresse       String?
  typ           String    // Pruefung | Versammlung | Kurs | Event | Sonstiges
  beschreibung  String?
  maxTeilnehmer Int?      @map("max_teilnehmer") // NULL = unbegrenzt
  createdAt     DateTime  @default(now()) @map("created_at")

  org           Organization      @relation(fields: [orgId], references: [id], onDelete: Cascade)
  anmeldungen   TerminAnmeldung[]

  @@index([orgId])
  @@index([datum])
  @@map("termine")
}

model TerminAnmeldung {
  id           String   @id @default(uuid())
  terminId     String   @map("termin_id")
  memberId     String   @map("member_id")
  angemeldetAt DateTime @default(now()) @map("angemeldet_at")

  termin       Termin   @relation(fields: [terminId], references: [id], onDelete: Cascade)
  member       Member   @relation(fields: [memberId], references: [id], onDelete: Cascade)

  @@unique([terminId, memberId])
  @@map("termin_anmeldungen")
}

// =============================================
// DIREKTNACHRICHTEN (Chat)
// =============================================

model Conversation {
  id        String   @id @default(uuid())
  orgId     String   @map("org_id")
  createdAt DateTime @default(now()) @map("created_at")
  updatedAt DateTime @updatedAt @map("updated_at")

  members   ConversationMember[]
  messages  Message[]

  @@index([orgId])
  @@map("conversations")
}

model ConversationMember {
  id             String       @id @default(uuid())
  conversationId String       @map("conversation_id")
  memberId       String       @map("member_id")
  lastReadAt     DateTime?    @map("last_read_at")

  conversation   Conversation @relation(fields: [conversationId], references: [id], onDelete: Cascade)
  member         Member       @relation(fields: [memberId], references: [id], onDelete: Cascade)

  @@unique([conversationId, memberId])
  @@map("conversation_members")
}

model Message {
  id             String       @id @default(uuid())
  conversationId String       @map("conversation_id")
  senderId       String       @map("sender_id")
  body           String
  createdAt      DateTime     @default(now()) @map("created_at")

  conversation   Conversation @relation(fields: [conversationId], references: [id], onDelete: Cascade)
  sender         Member       @relation(fields: [senderId], references: [id], onDelete: Cascade)

  @@index([conversationId])
  @@map("messages")
}