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

datasource db {
  provider = "postgresql"
}

model Owner {
  id                  String       @id // = Clerk userId (e.g. "user_xxx")
  createdAt           DateTime     @default(now())
  invitedById         String?      // Clerk userId of the person who invited this owner
  pets                Pet[]
  adminRole           AdminRole?
  ban                 UserBan?
  issuedInvites       InviteCode[] @relation("IssuedBy")
  legalAcknowledgedAt DateTime?    // last time the owner dismissed the legal-update banner; null = never seen one
  contentRightsConsentedAt  DateTime? // first-pet onboarding: confirms the owner holds all rights to uploaded photos/videos
  dataProcessingConsentedAt DateTime? // first-pet onboarding: Willenserklärung consenting to data transfer to Clerk/Cloudflare/Mux/Supabase
  dataExportTokens    DataExportToken[]

  @@index([createdAt(sort: Desc)])
}

model InviteCode {
  id         String    @id @default(cuid())
  code       String    @unique
  issuedBy   Owner?    @relation("IssuedBy", fields: [issuedById], references: [id])
  issuedById String?   // null = admin-generated root invite
  usedById   String?   // Clerk userId who redeemed this code (not a FK — owner may not exist yet)
  usedAt     DateTime?
  revoked    Boolean   @default(false)
  createdAt  DateTime  @default(now())

  @@index([issuedById])
}

model Species {
  id           String               @id @default(cuid())
  name         String               @unique
  breeds       Breed[]
  pets         Pet[]
  translations SpeciesTranslation[]
}

model SpeciesTranslation {
  id        String  @id @default(cuid())
  species   Species @relation(fields: [speciesId], references: [id])
  speciesId String
  locale    String
  name      String

  @@unique([speciesId, locale])
}

model Breed {
  id           String             @id @default(cuid())
  name         String
  species      Species            @relation(fields: [speciesId], references: [id])
  speciesId    String
  pets         Pet[]
  translations BreedTranslation[]

  @@unique([speciesId, name])
}

model BreedTranslation {
  id      String @id @default(cuid())
  breed   Breed  @relation(fields: [breedId], references: [id])
  breedId String
  locale  String
  name    String

  @@unique([breedId, locale])
}

model Pet {
  id            String   @id @default(cuid())
  owner         Owner    @relation(fields: [ownerId], references: [id])
  ownerId       String
  species       Species  @relation(fields: [speciesId], references: [id])
  speciesId     String
  breed         Breed?   @relation(fields: [breedId], references: [id])
  breedId       String?
  name          String
  bio           String?
  adoptionStory String?
  avatarKey     String? // Supabase Storage object key, NOT a full URL
  dmPolicy      DmPolicy @default(EVERYONE) // who can send this pet DMs
  birthday      DateTime? @db.Date          // actual birthday for anniversary notifications
  adoptedAt     DateTime? @db.Date          // adoption date for anniversary notifications
  createdAt     DateTime @default(now())
  updatedAt     DateTime @updatedAt

  // Phase 2 back-relations
  posts      Post[]
  stories    Story[]
  storyViews StoryView[] @relation("StoryViewer")
  following  Follow[]    @relation("Follower")
  followers  Follow[]    @relation("Followee")
  blocking   Block[]     @relation("Blocker")
  blockedBy  Block[]     @relation("Blocked")
  reports    Report[]    @relation("Reporter")

  // Phase 3 back-relations
  reactions Reaction[] @relation("PetReactions")
  comments  Comment[]  @relation("PetComments")
  reposts   Repost[]   @relation("PetReposts")

  // Phase 4 back-relations
  receivedNotifications Notification[] @relation("ReceivedNotifications")
  sentNotifications     Notification[] @relation("SentNotifications")

  // Phase 6 back-relations
  conversationsAsA Conversation[] @relation("ConvPetA")
  conversationsAsB Conversation[] @relation("ConvPetB")
  sentMessages     Message[]      @relation("MessageSender")

  // Phase 7 back-relations
  weightLogs   WeightLog[]
  vetVisits    VetVisit[]
  vaccines     Vaccine[]
  healthCard   HealthCard?
  emergencyVet EmergencyVet?
  feedingInfo  PetFeedingInfo?

  // Ad interaction back-relations
  adReactions AdReaction[] @relation("AdReactions")
  adComments  AdComment[]  @relation("AdComments")
  adReposts   AdRepost[]   @relation("AdReposts")

  @@index([ownerId])
  @@index([speciesId])
  @@index([breedId])
  @@index([createdAt(sort: Desc)])
}

// ─── Phase 6 Enums ───────────────────────────────────────────────────────────

enum DmPolicy {
  EVERYONE       // anyone can send a DM
  FOLLOWERS_ONLY // only pets that this pet follows can send a DM
}

// ─── Phase 2 Enums ───────────────────────────────────────────────────────────

enum PostType {
  PHOTO
  MILESTONE
  REPOST
  VIDEO
}

enum VideoStatus {
  PROCESSING
  READY
  ERROR
}

enum MilestoneType {
  BIRTHDAY
  ADOPTION_DAY
  FIRST_OUTING
  VET_VISIT
  LITTER
  FOLLOWERS_500
  FOLLOWERS_1K
  FOLLOWERS_2_5K
  FOLLOWERS_5K
  FOLLOWERS_10K
  FOLLOWERS_25K
  FOLLOWERS_50K
  FOLLOWERS_100K
  FOLLOWERS_250K
  FOLLOWERS_500K
  FOLLOWERS_1M
}

enum ReportReason {
  SPAM
  HARASSMENT
  INAPPROPRIATE
  MISINFORMATION
  OTHER
}

// ─── Phase 2 Models ──────────────────────────────────────────────────────────

model Post {
  id        String      @id @default(cuid())
  pet       Pet         @relation(fields: [petId], references: [id], onDelete: Cascade)
  petId     String
  type      PostType    @default(PHOTO)
  caption   String?     @db.VarChar(500)
  images    PostImage[]
  milestone Milestone?
  createdAt DateTime    @default(now())
  updatedAt DateTime    @updatedAt

  // Denormalized engagement counters — kept in sync transactionally at each
  // reaction/comment/repost create+delete site (reactions.ts, comments.ts,
  // reposts.ts, admin.ts deleteComment). Avoids live _count aggregation on
  // feed/explore reads. Backfilled from existing rows in the same migration.
  reactionCount Int @default(0)
  commentCount  Int @default(0)
  repostCount   Int @default(0)

  // Phase 3 back-relations
  reactions       Reaction[]     @relation("PostReactions")
  comments        Comment[]      @relation("PostComments")
  repost          Repost?        @relation("RepostEntry")
  originalReposts Repost[]       @relation("OriginalReposts")
  hashtags        PostHashtag[]  @relation("PostHashtags")

  // Phase 4 back-relations
  notifications   Notification[]

  // Phase 5 back-relation
  videoPost       VideoPost?

  @@index([petId, createdAt(sort: Desc)])
}

model PostImage {
  id         String  @id @default(cuid())
  post       Post    @relation(fields: [postId], references: [id], onDelete: Cascade)
  postId     String
  storageKey String // Supabase Storage object key
  position   Int // 0-based order in carousel
  width      Int?
  height     Int?
  blurhash   String? // computed client-side at upload (src/lib/blurhash.ts), decoded as a loading placeholder

  @@unique([postId, position])
  @@index([postId])
}

model Milestone {
  id            String        @id @default(cuid())
  post          Post          @relation(fields: [postId], references: [id], onDelete: Cascade)
  postId        String        @unique
  milestoneType MilestoneType
  notes         String?       @db.VarChar(500) // free text for 'litter' type (D-09)
}

model Story {
  id         String      @id @default(cuid())
  pet        Pet         @relation(fields: [petId], references: [id], onDelete: Cascade)
  petId      String
  storageKey String // Supabase Storage object key
  blurhash   String? // computed client-side at upload (src/lib/blurhash.ts), decoded as a loading placeholder
  expiresAt  DateTime // set to NOW() + 24 hours on create (D-07)
  views      StoryView[]
  createdAt  DateTime    @default(now())

  @@index([petId, expiresAt]) // supports lazy-delete filter query
}

model StoryView {
  story       Story    @relation(fields: [storyId], references: [id]) // NO onDelete:Cascade (D-08)
  storyId     String
  viewerPet   Pet      @relation("StoryViewer", fields: [viewerPetId], references: [id])
  viewerPetId String
  viewedAt    DateTime @default(now())

  @@id([storyId, viewerPetId]) // deduplication: one view per viewer per story
  @@index([viewedAt]) // supports 30-day cleanup job (D-08)
}

model Follow {
  follower      Pet      @relation("Follower", fields: [followerPetId], references: [id], onDelete: Cascade)
  followerPetId String
  followee      Pet      @relation("Followee", fields: [followeePetId], references: [id], onDelete: Cascade)
  followeePetId String
  createdAt     DateTime @default(now())

  @@id([followerPetId, followeePetId])
  @@index([followerPetId])
  @@index([followeePetId])
}

model Block {
  blocker      Pet      @relation("Blocker", fields: [blockerPetId], references: [id], onDelete: Cascade)
  blockerPetId String
  blocked      Pet      @relation("Blocked", fields: [blockedPetId], references: [id], onDelete: Cascade)
  blockedPetId String
  createdAt    DateTime @default(now())

  @@id([blockerPetId, blockedPetId])
  @@index([blockerPetId])
}

model Report {
  id            String       @id @default(cuid())
  reporter      Pet          @relation("Reporter", fields: [reporterPetId], references: [id])
  reporterPetId String
  targetPostId  String? // null if reporting a profile
  targetPetId   String? // null if reporting a post
  reason        ReportReason
  notes         String?      @db.VarChar(500)
  createdAt     DateTime     @default(now())

  @@index([reporterPetId])
  @@index([targetPostId])
}

// ─── Phase 3 Models ──────────────────────────────────────────────────────────

model Reaction {
  id        String   @id @default(cuid())
  post      Post     @relation("PostReactions", fields: [postId], references: [id], onDelete: Cascade)
  postId    String
  pet       Pet      @relation("PetReactions", fields: [petId], references: [id], onDelete: Cascade)
  petId     String
  createdAt DateTime @default(now())

  @@unique([postId, petId])
  @@index([postId])
}

model Comment {
  id        String   @id @default(cuid())
  post      Post     @relation("PostComments", fields: [postId], references: [id], onDelete: Cascade)
  postId    String
  pet       Pet      @relation("PetComments", fields: [petId], references: [id], onDelete: Cascade)
  petId     String
  body      String   @db.VarChar(500)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  // Phase 4 back-relation
  notifications Notification[]

  @@index([postId, createdAt(sort: Asc)])
  @@index([petId])
}

model Repost {
  post           Post     @relation("RepostEntry", fields: [postId], references: [id], onDelete: Cascade)
  postId         String   @unique
  originalPost   Post     @relation("OriginalReposts", fields: [originalPostId], references: [id])
  originalPostId String
  reposterPet    Pet      @relation("PetReposts", fields: [reposterPetId], references: [id], onDelete: Cascade)
  reposterPetId  String
  createdAt      DateTime @default(now())

  @@id([reposterPetId, originalPostId])
  @@index([originalPostId])
}

model Hashtag {
  id    String        @id @default(cuid())
  tag   String        @unique
  posts PostHashtag[]
}

model PostHashtag {
  post      Post    @relation("PostHashtags", fields: [postId], references: [id], onDelete: Cascade)
  postId    String
  hashtag   Hashtag @relation(fields: [hashtagId], references: [id], onDelete: Cascade)
  hashtagId String

  @@id([postId, hashtagId])
  @@index([hashtagId])
}

// ─── Phase 5 Models ──────────────────────────────────────────────────────────

model VideoPost {
  id             String      @id @default(cuid())
  post           Post        @relation(fields: [postId], references: [id], onDelete: Cascade)
  postId         String      @unique
  muxUploadId    String?     // Mux direct upload ID — set on creation
  muxAssetId     String?     // Mux asset ID — set by video.upload.asset_created webhook
  muxPlaybackId  String?     // Mux playback ID — set by video.asset.ready webhook
  status         VideoStatus @default(PROCESSING)
  durationSecs   Float?      // populated by webhook
  aspectRatio    String?     // e.g. "16:9" from Mux

  @@index([muxUploadId])
  @@index([muxAssetId])
}

// ─── Phase 6 Models ──────────────────────────────────────────────────────────

model Conversation {
  id        String    @id @default(cuid())
  petA      Pet       @relation("ConvPetA", fields: [petAId], references: [id], onDelete: Cascade)
  petAId    String
  petB      Pet       @relation("ConvPetB", fields: [petBId], references: [id], onDelete: Cascade)
  petBId    String
  messages  Message[]
  createdAt DateTime  @default(now())
  updatedAt DateTime  @updatedAt // updated on every new message for inbox ordering

  @@unique([petAId, petBId]) // petAId is always < petBId (sorted on create) — deduplication
  @@index([petAId])
  @@index([petBId])
}

model Message {
  id             String       @id @default(cuid())
  conversation   Conversation @relation(fields: [conversationId], references: [id], onDelete: Cascade)
  conversationId String
  senderPet      Pet          @relation("MessageSender", fields: [senderPetId], references: [id])
  senderPetId    String
  body           String       @db.VarChar(1000)
  readAt         DateTime?    // null = unread by recipient

  createdAt DateTime @default(now())

  @@index([conversationId, createdAt(sort: Asc)])
  @@index([senderPetId])
}

// ─── Phase 7 Models ──────────────────────────────────────────────────────────

model WeightLog {
  id          String   @id @default(cuid())
  pet         Pet      @relation(fields: [petId], references: [id], onDelete: Cascade)
  petId       String
  date        DateTime @db.Date
  weightGrams Int      // stored in grams; display as kg
  notes       String?  @db.VarChar(200)
  createdAt   DateTime @default(now())

  @@index([petId, date(sort: Desc)])
}

model VetVisit {
  id        String   @id @default(cuid())
  pet       Pet      @relation(fields: [petId], references: [id], onDelete: Cascade)
  petId     String
  date      DateTime @db.Date
  reason    String   @db.VarChar(100)
  notes     String?  @db.VarChar(500)
  vetName   String?  @db.VarChar(100)
  createdAt DateTime @default(now())

  @@index([petId, date(sort: Desc)])
}

model Vaccine {
  id          String    @id @default(cuid())
  pet         Pet       @relation(fields: [petId], references: [id], onDelete: Cascade)
  petId       String
  name        String    @db.VarChar(100)
  dateGiven   DateTime  @db.Date
  nextDueDate DateTime? @db.Date
  notes       String?   @db.VarChar(200)
  createdAt   DateTime  @default(now())

  @@index([petId, dateGiven(sort: Desc)])
}

model EmergencyVet {
  id        String   @id @default(cuid())
  pet       Pet      @relation(fields: [petId], references: [id], onDelete: Cascade)
  petId     String   @unique
  name      String   @db.VarChar(150)
  address   String?  @db.VarChar(300)
  phone     String?  @db.VarChar(30)
  website   String?  @db.VarChar(200)
  lat       Float?
  lng       Float?
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

model HealthCard {
  id        String    @id @default(cuid())
  pet       Pet       @relation(fields: [petId], references: [id], onDelete: Cascade)
  petId     String    @unique
  token     String    @unique @default(cuid())
  expiresAt DateTime? // null = never expires; set on create/regenerate
  createdAt DateTime  @default(now())
  updatedAt DateTime  @updatedAt
}

// GDPR Art. 15 data-export download token (Gitea #6 follow-up). Deliberately
// a bespoke DB-backed token instead of emailing Supabase's native signed URL
// directly — the download link handed to the user must read pawfeed.org, not
// the storage backend. /api/gdpr-export/[token] validates against this table
// and streams the file server-side; storageKey/bucket stay an internal detail.
model DataExportToken {
  id         String   @id @default(cuid())
  owner      Owner    @relation(fields: [ownerId], references: [id], onDelete: Cascade)
  ownerId    String
  token      String   @unique @default(cuid())
  storageKey String
  expiresAt  DateTime
  createdAt  DateTime @default(now())

  @@index([ownerId])
}

model PetFeedingInfo {
  id           String  @id @default(cuid())
  pet          Pet     @relation(fields: [petId], references: [id], onDelete: Cascade)
  petId        String  @unique
  foodType     String? @db.VarChar(100)
  feedingTimes Int?
  dailyAmountG Int?
  foodBrand    String? @db.VarChar(100)
  specialDiet  String? @db.VarChar(500)
  updatedAt    DateTime @updatedAt
}

// ─── Phase 4 Enums ───────────────────────────────────────────────────────────

enum NotificationType {
  FOLLOW
  REACTION
  COMMENT
  MESSAGE
  BIRTHDAY
  ADOPTION_DAY
  MENTION
  PAW_BACK
}

// ─── Phase 4 Models ──────────────────────────────────────────────────────────

model Notification {
  id             String           @id @default(cuid())
  recipientPet   Pet              @relation("ReceivedNotifications", fields: [recipientPetId], references: [id], onDelete: Cascade)
  recipientPetId String
  type           NotificationType
  actorPet       Pet?             @relation("SentNotifications", fields: [actorPetId], references: [id], onDelete: SetNull)
  actorPetId     String?
  post           Post?            @relation(fields: [postId], references: [id], onDelete: Cascade)
  postId         String?
  comment        Comment?         @relation(fields: [commentId], references: [id], onDelete: Cascade)
  commentId      String?
  read           Boolean          @default(false)
  createdAt      DateTime         @default(now())

  @@index([recipientPetId, read, createdAt(sort: Desc)])
}

// ─── Admin / Moderation Models ────────────────────────────────────────────────

enum AdminRoleType {
  SUPER_ADMIN
  MODERATOR
}

model AdminRole {
  id          String        @id @default(cuid())
  owner       Owner         @relation(fields: [ownerId], references: [id], onDelete: Cascade)
  ownerId     String        @unique
  role        AdminRoleType @default(MODERATOR)
  grantedAt   DateTime      @default(now())
  grantedBy   String?       // ownerId of the granting super admin
}

model UserBan {
  id        String    @id @default(cuid())
  owner     Owner     @relation(fields: [ownerId], references: [id], onDelete: Cascade)
  ownerId   String    @unique
  reason    String?   @db.VarChar(500)
  bannedAt  DateTime  @default(now())
  bannedBy  String    // ownerId of moderator who issued the ban
  expiresAt DateTime? // null = permanent ban
}

model Advertisement {
  id        String    @id @default(cuid())
  title     String    @db.VarChar(100)
  caption   String?   @db.VarChar(500)
  imageKey  String?
  targetUrl String?   @db.VarChar(500)
  isActive  Boolean   @default(true)
  species   String[] // targeted Species ids; empty = all species (no restriction)
  breeds    String[] // targeted Breed ids, narrows WITHIN the species selection above; empty = no breed restriction
  startDate DateTime?
  endDate   DateTime?
  createdBy String
  createdAt DateTime  @default(now())
  updatedAt DateTime  @updatedAt

  // Denormalized engagement counters — see Post model comment for rationale.
  // adViewCount is incremented once per ad-card impression (client fires
  // ads.recordView the first time the card is ≥50% scrolled into view —
  // see AdCard.tsx), not deduplicated per pet, matching standard ad-impression
  // semantics rather than the per-pet-once pattern reactions/reposts use.
  adViewCount     Int @default(0)
  adReactionCount Int @default(0)
  adCommentCount  Int @default(0)
  adRepostCount   Int @default(0)

  reactions AdReaction[]
  comments  AdComment[]
  reposts   AdRepost[]

  @@index([isActive, startDate, endDate])
}

model AdReaction {
  id        String        @id @default(cuid())
  ad        Advertisement @relation(fields: [adId], references: [id], onDelete: Cascade)
  adId      String
  pet       Pet           @relation("AdReactions", fields: [petId], references: [id], onDelete: Cascade)
  petId     String
  createdAt DateTime      @default(now())

  @@unique([adId, petId])
  @@index([adId])
}

model AdComment {
  id        String        @id @default(cuid())
  ad        Advertisement @relation(fields: [adId], references: [id], onDelete: Cascade)
  adId      String
  pet       Pet           @relation("AdComments", fields: [petId], references: [id], onDelete: Cascade)
  petId     String
  body      String        @db.VarChar(500)
  createdAt DateTime      @default(now())

  @@index([adId])
}

model AdRepost {
  id        String        @id @default(cuid())
  ad        Advertisement @relation(fields: [adId], references: [id], onDelete: Cascade)
  adId      String
  pet       Pet           @relation("AdReposts", fields: [petId], references: [id], onDelete: Cascade)
  petId     String
  createdAt DateTime      @default(now())

  @@unique([adId, petId])
  @@index([adId])
}

model ModerationLog {
  id          String   @id @default(cuid())
  action      String   @db.VarChar(50)  // DELETE_POST | DELETE_COMMENT | BAN_USER | UNBAN_USER | DELETE_IMAGE
  targetType  String   @db.VarChar(20)  // POST | COMMENT | USER | IMAGE
  targetId    String
  reason      String?  @db.VarChar(500)
  moderatorId String   // ownerId
  createdAt   DateTime @default(now())

  @@index([moderatorId, createdAt(sort: Desc)])
  @@index([targetType, targetId])
}

// ─── Legal Document Versioning ─────────────────────────────────────────────
// Pull-based, not push-based: publishing a version doesn't fan out a
// Notification row per pet (Notification is petId-scoped; ToS/Datenschutz
// acceptance is an Owner-level concern). Instead, each owner's session
// compares Owner.legalAcknowledgedAt against the latest publishedAt.

enum LegalDocType {
  NUTZUNGSBEDINGUNGEN
  DATENSCHUTZ
}

model LegalDocumentVersion {
  id            String       @id @default(cuid())
  docType       LegalDocType
  changeSummary String       @db.VarChar(1000)
  publishedAt   DateTime     @default(now())
  publishedBy   String       // ownerId of the publishing admin

  @@index([publishedAt(sort: Desc)])
}