// This is your Prisma schema file,
// learn more about it in the docs: https://pris.ly/d/prisma-schema

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

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

// ===== USERS & AUTHENTICATION =====

model User {
  id            String    @id @default(cuid())
  clerkId       String    @unique // Clerk user ID
  username      String    @unique
  email         String    @unique
  displayName   String?
  bio           String?
  avatarUrl     String?
  bannerUrl     String?
  isCreator     Boolean   @default(false)
  verified      Boolean   @default(false)
  
  // Relations
  channels      Channel[]
  followedUsers UserFollow[]  @relation("following")
  followers     UserFollow[]  @relation("follower")
  chatMessages  ChatMessage[]
  subscriptions Subscription[]
  donations     Donation[]
  followers     Follower[]
  clips         Clip[]
  
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt

  @@index([username])
  @@index([email])
  @@index([clerkId])
}

model UserFollowUser {
  followerId  String
  followingId String
  follower    User     @relation("follower", fields: [followerId], references: [id], onDelete: Cascade)
  following   User     @relation("following", fields: [followingId], references: [id], onDelete: Cascade)
  followDate  DateTime @default(now())

  @@id([followerId, followingId])
  @@index([followerId])
  @@index([followingId])
}

// ===== CHANNELS & STREAMING =====

model Channel {
  id          String    @id @default(cuid())
  userId      String
  user        User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  name        String    @unique
  slug        String    @unique
  description String?
  category    String?   // gaming, music, education, etc.
  language    String?
  language    String?
  
  isLive      Boolean   @default(false)
  totalViews  BigInt    @default(0)
  
  streams     Stream[]
  followers   Follower[]
  subscriptions Subscription[]
  donations   Donation[]
  clips       Clip[]
  
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  @@index([userId])
  @@index([slug])
}

model Stream {
  id          String    @id @default(cuid())
  channelId   String
  channel     Channel   @relation(fields: [channelId], references: [id], onDelete: Cascade)
  
  title       String
  description String?
  status      String    @default("scheduled") // live, ended, scheduled
  
  streamKey   String    @unique
  hlsUrl      String?
  thumbnailUrl String?
  
  viewerCount Int       @default(0)
  
  startedAt   DateTime?
  endedAt     DateTime?
  durationSeconds Int?
  
  isArchived  Boolean   @default(true)
  archiveUrl  String?
  
  chatMessages ChatMessage[]
  vod         VOD?
  polls       Poll[]
  
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  @@index([channelId])
  @@index([status])
  @@index([isLive])
}

// ===== SOCIAL FEATURES =====

model Follower {
  id          String    @id @default(cuid())
  userId      String
  user        User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  channelId   String
  channel     Channel   @relation(fields: [channelId], references: [id], onDelete: Cascade)
  
  notificationEnabled Boolean @default(true)
  
  followDate  DateTime  @default(now())

  @@unique([userId, channelId])
  @@index([channelId])
}

// ===== CHAT & MODERATION =====

model ChatMessage {
  id        String    @id @default(cuid())
  streamId  String
  stream    Stream    @relation(fields: [streamId], references: [id], onDelete: Cascade)
  
  userId    String
  user      User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  message   String
  isDeleted Boolean   @default(false)
  
  createdAt DateTime  @default(now())

  @@index([streamId])
  @@index([createdAt])
}

// ===== MONETIZATION =====

model Subscription {
  id          String    @id @default(cuid())
  subscriberId String
  subscriber  User      @relation(fields: [subscriberId], references: [id], onDelete: Cascade)
  
  channelId   String
  channel     Channel   @relation(fields: [channelId], references: [id], onDelete: Cascade)
  
  tier        String    // basic, premium, vip
  priceCents  Int
  stripeSubscriptionId String?
  
  status      String    @default("active") // active, cancelled, expired
  
  autoRenew   Boolean   @default(true)
  
  startedAt   DateTime  @default(now())
  endedAt     DateTime?
  
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  @@unique([subscriberId, channelId])
  @@index([channelId])
  @@index([status])
}

model Donation {
  id          String    @id @default(cuid())
  donorId     String
  donor       User      @relation(fields: [donorId], references: [id], onDelete: Cascade)
  
  channelId   String
  channel     Channel   @relation(fields: [channelId], references: [id], onDelete: Cascade)
  
  streamId    String?   // Optional: specific stream
  
  amountCents Int
  currency    String    @default("USD")
  message     String?
  
  stripeChargeId String?
  status      String    @default("completed") // pending, completed, failed
  
  createdAt   DateTime  @default(now())

  @@index([channelId])
  @@index([status])
}

// ===== CONTENT =====

model VOD {
  id          String    @id @default(cuid())
  streamId    String    @unique
  stream      Stream    @relation(fields: [streamId], references: [id], onDelete: Cascade)
  
  title       String?
  description String?
  thumbnailUrl String?
  
  durationSeconds Int?
  views       Int       @default(0)
  
  isPublic    Boolean   @default(true)
  processingStatus String @default("processing") // processing, ready, failed
  
  clips       Clip[]
  
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  @@index([streamId])
}

model Clip {
  id          String    @id @default(cuid())
  vodId       String?
  vod         VOD?      @relation(fields: [vodId], references: [id], onDelete: SetNull)
  
  channelId   String
  channel     Channel   @relation(fields: [channelId], references: [id], onDelete: Cascade)
  
  creatorId   String
  creator     User      @relation(fields: [creatorId], references: [id], onDelete: Cascade)
  
  title       String
  slug        String    @unique
  description String?
  thumbnailUrl String?
  videoUrl    String?
  
  startSeconds Int?
  durationSeconds Int?
  
  views       Int       @default(0)
  likes       Int       @default(0)
  
  isPublic    Boolean   @default(true)
  
  clipLikes   ClipLike[]
  
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  @@index([channelId])
  @@index([creatorId])
}

model ClipLike {
  id        String    @id @default(cuid())
  userId    String
  clipId    String
  clip      Clip      @relation(fields: [clipId], references: [id], onDelete: Cascade)
  
  createdAt DateTime  @default(now())

  @@unique([userId, clipId])
  @@index([clipId])
}

// ===== INTERACTIONS =====

model Poll {
  id          String    @id @default(cuid())
  streamId    String
  stream      Stream    @relation(fields: [streamId], references: [id], onDelete: Cascade)
  
  question    String
  durationSeconds Int?
  
  status      String    @default("active") // active, ended
  
  options     PollOption[]
  
  createdAt   DateTime  @default(now())
  endedAt     DateTime?

  @@index([streamId])
}

model PollOption {
  id          String    @id @default(cuid())
  pollId      String
  poll        Poll      @relation(fields: [pollId], references: [id], onDelete: Cascade)
  
  option      String
  voteCount   Int       @default(0)
  
  votes       PollVote[]

  @@index([pollId])
}

model PollVote {
  id          String    @id @default(cuid())
  optionId    String
  option      PollOption @relation(fields: [optionId], references: [id], onDelete: Cascade)
  userId      String
  
  createdAt   DateTime  @default(now())

  @@unique([userId, optionId])
  @@index([optionId])
}