// Prisma Schema for OpenFrame - Video Feedback Platform

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

datasource db {
  provider = "postgresql"
}

// ============================================
// AUTH MODELS (NextAuth.js compatible)
// ============================================

model User {
  id            String    @id @default(cuid())
  name          String?
  email         String?   @unique
  emailVerified DateTime?
  image         String?
  password      String?   // Hashed password for email/password auth
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt

  // Relations
  accounts           Account[]
  sessions           Session[]
  ownedWorkspaces    Workspace[]
  workspaceMemberships WorkspaceMember[]
  projects           Project[]
  comments           Comment[]
  projectMemberships ProjectMember[]
  notificationSetting NotificationSetting?
  watchProgress      WatchProgress[]
  
  @@map("users")
}

enum DownloadEgressSource {
  ORIGINAL
  COMPRESSED
}

model DownloadEgressEvent {
  id               String               @id @default(cuid())
  versionId        String
  videoId          String
  projectId        String
  workspaceId      String
  billedUserId     String
  downloaderUserId String?
  source           DownloadEgressSource
  quality          Int?
  estimatedBytes   BigInt               @default(0)
  createdAt        DateTime             @default(now())

  @@index([billedUserId, createdAt])
  @@index([workspaceId, createdAt])
  @@index([versionId, createdAt])
  @@map("download_egress_events")
}

model Account {
  id                String  @id @default(cuid())
  userId            String
  type              String
  provider          String
  providerAccountId String
  refresh_token     String? @db.Text
  access_token      String? @db.Text
  expires_at        Int?
  token_type        String?
  scope             String?
  id_token          String? @db.Text
  session_state     String?

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

  @@unique([provider, providerAccountId])
  @@map("accounts")
}

model Session {
  id           String   @id @default(cuid())
  sessionToken String   @unique
  userId       String
  expires      DateTime

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  @@map("sessions")
}

model VerificationToken {
  identifier String
  token      String   @unique
  expires    DateTime

  @@unique([identifier, token])
  @@map("verification_tokens")
}

// ============================================
// APPLICATION MODELS
// ============================================

// ---- Workspace ----

model Workspace {
  id          String   @id @default(cuid())
  name        String
  slug        String   @unique
  description String?  @db.Text
  
  // Ownership
  ownerId     String
  owner       User     @relation(fields: [ownerId], references: [id], onDelete: Cascade)
  
  // Timestamps
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
  
  // Relations
  members     WorkspaceMember[]
  projects    Project[]
  
  @@index([ownerId])
  @@index([slug])
  @@map("workspaces")
}

model WorkspaceMember {
  id          String              @id @default(cuid())
  role        WorkspaceMemberRole @default(COMMENTATOR)
  
  workspaceId String
  workspace   Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
  
  userId      String
  user        User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  createdAt   DateTime  @default(now())
  
  @@unique([workspaceId, userId])
  @@index([userId])
  @@map("workspace_members")
}

enum WorkspaceMemberRole {
  ADMIN        // Full access: manage members, delete projects, etc.
  COMMENTATOR  // Can view all projects and comment only
}

// ---- Project ----

model Project {
  id          String   @id @default(cuid())
  name        String
  description String?  @db.Text
  slug        String   @unique // URL-friendly identifier
  
  // Visibility
  visibility  ProjectVisibility @default(PRIVATE)
  
  // Ownership
  ownerId     String
  owner       User     @relation(fields: [ownerId], references: [id], onDelete: Cascade)
  
  // Workspace (required - every project belongs to a workspace)
  workspaceId String
  workspace   Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)
  
  // Timestamps
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
  
  // Relations
  videos      Video[]
  members     ProjectMember[]
  shareLinks  ShareLink[]
  commentTags CommentTag[]
  
  @@index([ownerId])
  @@index([slug])
  @@index([workspaceId])
  @@index([workspaceId, updatedAt(sort: Desc)])
  @@map("projects")
}

enum ProjectVisibility {
  PRIVATE    // Only owner can access
  INVITE     // Owner + specifically invited members
  PUBLIC     // Anyone with the link can access
}

model ProjectMember {
  id        String            @id @default(cuid())
  role      ProjectMemberRole @default(COMMENTATOR)
  
  projectId String
  project   Project @relation(fields: [projectId], references: [id], onDelete: Cascade)
  
  userId    String
  user      User    @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  createdAt DateTime @default(now())
  
  @@unique([projectId, userId])
  @@index([userId])
  @@map("project_members")
}

enum ProjectMemberRole {
  ADMIN        // Can manage members, settings, delete videos
  COMMENTATOR  // Can view and comment only
}

model Video {
  id          String   @id @default(cuid())
  title       String
  description String?  @db.Text
  
  // Ordering within project
  position    Int      @default(0)
  
  // Project relation
  projectId   String
  project     Project  @relation(fields: [projectId], references: [id], onDelete: Cascade)
  
  // Timestamps
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
  
  // Relations
  versions    VideoVersion[]
  shareLinks  ShareLink[]
  
  @@index([projectId])
  @@map("videos")
}

model VideoVersion {
  id              String   @id @default(cuid())
  versionNumber   Int      // 1, 2, 3...
  versionLabel    String?  // Optional label like "Final Cut", "Review Draft"
  
  // Video source (future-proof for multiple providers)
  providerId      String   // 'youtube', 'vimeo', 'direct'
  videoId         String   // Provider-specific video ID
  originalUrl     String   // Original URL submitted by user
  
  // Cached metadata
  title           String?
  thumbnailUrl    String?
  duration        Int?     // Duration in seconds
  
  // Status
  isActive        Boolean  @default(true) // Currently displayed version
  
  // Parent video
  videoParentId   String
  video           Video    @relation(fields: [videoParentId], references: [id], onDelete: Cascade)
  
  // Timestamps
  createdAt       DateTime @default(now())
  
  // Relations
  comments        Comment[]
  watchProgress   WatchProgress[]
  
  @@unique([videoParentId, versionNumber])
  @@index([videoParentId])
  @@index([videoParentId, isActive])
  @@map("video_versions")
}

model Comment {
  id            String      @id @default(cuid())
  
  // Comment content
  content       String?     @db.Text  // Text content (null if voice-only)
  
  // Timestamp in video (in seconds, with decimal for precision)
  timestamp     Float       // e.g., 65.5 = 1:05.5
  timestampEnd  Float?      // Optional end timestamp for range comments
  
  // Voice recording (optional)
  voiceUrl      String?     // URL to voice recording file
  voiceDuration Float?      // Duration of voice recording in seconds
  
  // Image attachment (optional)
  imageUrl      String?     // URL to uploaded image file
  
  // Annotation drawing data (JSON string of strokes)
  annotationData String?    @db.Text
  
  // Threading
  parentId      String?
  parent        Comment?    @relation("CommentReplies", fields: [parentId], references: [id], onDelete: Cascade)
  replies       Comment[]   @relation("CommentReplies")
  
  // Status
  isResolved    Boolean     @default(false)
  resolvedAt    DateTime?
  
  // Author (optional for guest comments)
  authorId      String?
  author        User?       @relation(fields: [authorId], references: [id], onDelete: SetNull)
  
  // Guest author info (when authorId is null)
  guestName     String?
  guestEmail    String?
  
  // Video version relation
  versionId     String
  version       VideoVersion @relation(fields: [versionId], references: [id], onDelete: Cascade)
  
  // Comment tag (colored category)
  tagId         String?
  tag           CommentTag? @relation(fields: [tagId], references: [id], onDelete: SetNull)
  
  // Timestamps
  createdAt     DateTime    @default(now())
  updatedAt     DateTime    @updatedAt
  
  @@index([versionId])
  @@index([parentId])
  @@index([authorId])
  @@index([timestamp])
  @@index([tagId])
  @@index([versionId, isResolved, timestamp])
  @@index([versionId, parentId, createdAt])
  @@map("comments")
}

model CommentTag {
  id        String   @id @default(cuid())
  name      String   // e.g., "Feedback", "Technical", "Urgent"
  color     String   // Hex color, e.g., "#3B82F6"
  
  // Project relation (tags are per-project)
  projectId String
  project   Project  @relation(fields: [projectId], references: [id], onDelete: Cascade)
  
  // Position for ordering in UI
  position  Int      @default(0)
  
  // Timestamps
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  
  // Relations
  comments  Comment[]
  
  @@unique([projectId, name])
  @@index([projectId])
  @@map("comment_tags")
}

model ShareLink {
  id          String          @id @default(cuid())
  token       String          @unique // Random token for URL
  
  // What is being shared
  projectId   String
  project     Project         @relation(fields: [projectId], references: [id], onDelete: Cascade)
  videoId     String?
  video       Video?          @relation(fields: [videoId], references: [id], onDelete: Cascade)
  
  // Permissions
  permission  SharePermission @default(VIEW)
  
  // Optional restrictions
  expiresAt   DateTime?       // Link expiration
  passwordHash String?        // Bcrypt hash of optional password protection
  
  // Settings
  allowGuests Boolean         @default(true) // Allow comments without account
  
  // Timestamps
  createdAt   DateTime        @default(now())
  
  @@index([projectId])
  @@index([videoId])
  @@index([projectId, videoId])
  @@unique([projectId, videoId, permission])
  @@index([token])
  @@index([token, expiresAt])
  @@map("share_links")
}

enum SharePermission {
  VIEW       // Can only view
  COMMENT    // Can view and comment
}

// ============================================
// NOTIFICATION SETTINGS
// ============================================

model NotificationSetting {
  id        String   @id @default(cuid())

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

  // Telegram webhook
  telegramBotToken  String?   // Bot token from @BotFather
  telegramChatId    String?   // Chat/group ID to send messages to
  telegramEnabled   Boolean   @default(false)

  // Email notifications (uses account email by default)
  emailEnabled      Boolean   @default(false)

  // Event subscriptions
  onNewVideo        Boolean   @default(true)
  onNewVersion      Boolean   @default(true)
  onNewComment      Boolean   @default(true)
  onNewReply        Boolean   @default(true)

  // User timezone for notification timestamps (IANA timezone identifier)
  timezone          String    @default("UTC")

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

  @@map("notification_settings")
}

// ============================================
// WATCH PROGRESS
// ============================================

model WatchProgress {
  id         String   @id @default(cuid())
  
  // User relation (optional for guest progress, though typically requires auth)
  userId     String
  user       User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  // Video version relation
  versionId  String
  version    VideoVersion @relation(fields: [versionId], references: [id], onDelete: Cascade)
  
  // Progress data
  progress   Float    // Current playback position in seconds
  duration   Float    // Total video duration at time of save
  percentage Float    // Progress as percentage (0-100)
  
  // Timestamps
  updatedAt  DateTime @updatedAt
  createdAt  DateTime @default(now())
  
  // One progress record per user per version
  @@unique([userId, versionId])
  @@index([userId])
  @@index([versionId])
  @@map("watch_progress")
}

// Rate limiting table (created as UNLOGGED via raw SQL migration)
// Defined here so `prisma db push` doesn't drop it
model RateLimit {
  id          Int      @id @default(autoincrement())
  key         String   @db.VarChar(255)
  action      String   @db.VarChar(50)
  count       Int      @default(1)
  windowStart DateTime @default(now()) @map("window_start")

  @@unique([key, action])
  @@index([key, action])
  @@index([windowStart])
  @@map("rate_limits")
}