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

datasource db {
  provider  = "postgresql"
}

model User {
  id            String    @id @default(cuid())
  email         String    @unique
  name          String?
  username      String?   @unique
  image         String?
  bio           String?
  rank          String?   @default("bronze") // bronze, silver, gold, verified
  totalRuns     Int       @default(0)
  totalStars    Int       @default(0)
  totalRemixes  Int       @default(0)
  socialLinks   Json?
  
  // Notification preferences
  notifyEmail   Boolean   @default(true)
  notifyStars   Boolean   @default(true)
  notifyRemixes Boolean   @default(true)
  
  // Stripe / Billing
  stripeCustomerId       String?   @unique
  stripePlan             String    @default("free") // free, pro
  stripeSubscriptionId   String?   @unique
  stripeSubscriptionStatus String? // active, canceled, past_due, etc.
  
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt
  
  prompts       Prompt[]
  stars         Star[]
  runs          Run[]
  collections   Collection[]
  comments      Comment[]
  commentLikes  CommentLike[]
  imagePrompts  ImagePrompt[]
  imageVotes    ImagePromptVote[]
  characters    Character[]
  characterVotes CharacterVote[]
  workflows     Workflow[]      @relation("WorkflowCreator")
  forumPosts    ForumPost[]
  forumReplies  ForumReply[]
  notifications Notification[]  @relation("NotificationReceiver")
  followers     Follow[]        @relation("Following")
  following     Follow[]        @relation("Follower")
  subscription  Subscription?
  purchases     PromptPurchase[]
}

model Prompt {
  id            String    @id @default(cuid())
  slug          String    @unique
  title         String
  description   String?
  template      String    @db.Text
  schema        Json      @default("{\"variables\":[]}")
  
  category      String?
  tags          String[]
  visibility    String    @default("public") // public, unlisted, private
  
  modelDefault  String    @default("gpt-4o-mini")
  modelAllowed  String[]  @default(["gpt-4o-mini", "gpt-4o", "claude-3-5-sonnet"])
  maxTokens     Int       @default(2048)
  
  totalRuns     Int       @default(0)
  starsCount    Int       @default(0)
  remixesCount  Int       @default(0)
  
  // Tier 3 fields
  framework     String?   // RACE, CARE, APE, etc.
  badges        String[]  @default([]) // Auto-calculated quality badges
  
  // Version tracking
  currentVersion Int       @default(1)
  
  // Premium marketplace
  isPremium     Boolean   @default(false)  // Is this a paid prompt?
  price         Int?                       // Price in cents (e.g., 299 = $2.99)
  
  creatorId     String?
  creator       User?     @relation(fields: [creatorId], references: [id])
  
  parentId      String?
  parent        Prompt?   @relation("Remixes", fields: [parentId], references: [id])
  remixes       Prompt[]  @relation("Remixes")
  
  stars         Star[]
  runs          Run[]
  savedRuns     SavedPromptRun[]
  collections   CollectionPrompt[]
  comments      Comment[]
  versions      PromptVersion[]
  purchases     PromptPurchase[] @relation("PremiumPurchases")
  
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt

  @@index([slug])
  @@index([creatorId])
  @@index([category])
  @@index([visibility])
}

model Star {
  userId    String
  promptId  String
  user      User    @relation(fields: [userId], references: [id], onDelete: Cascade)
  prompt    Prompt  @relation(fields: [promptId], references: [id], onDelete: Cascade)
  createdAt DateTime @default(now())
  
  @@id([userId, promptId])
}

model Run {
  id        String   @id @default(cuid())
  promptId  String
  userId    String?
  model     String
  tokens    Int?
  cached    Boolean  @default(false)
  ipHash    String?
  prompt    Prompt   @relation(fields: [promptId], references: [id], onDelete: Cascade)
  user      User?    @relation(fields: [userId], references: [id])
  createdAt DateTime @default(now())

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

model Collection {
  id          String   @id @default(cuid())
  name        String
  description String?
  userId      String
  user        User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  prompts     CollectionPrompt[]
  isPublic    Boolean  @default(false)
  viewCount   Int      @default(0)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
  
  @@index([userId])
  @@index([isPublic])
}

model CollectionPrompt {
  collectionId String
  promptId     String
  collection   Collection @relation(fields: [collectionId], references: [id], onDelete: Cascade)
  prompt       Prompt    @relation(fields: [promptId], references: [id], onDelete: Cascade)
  addedAt      DateTime  @default(now())
  
  @@id([collectionId, promptId])
  @@index([collectionId])
  @@index([promptId])
}

model Workflow {
  id          String   @id @default(cuid())
  slug        String   @unique
  name        String
  description String?
  steps       Json     // Array of workflow steps
  variables   Json?    // Input variables for the workflow
  
  visibility  String   @default("private") // public, unlisted, private
  
  totalRuns   Int      @default(0)
  starsCount  Int      @default(0)
  
  creatorId   String?
  creator     User?    @relation("WorkflowCreator", fields: [creatorId], references: [id])
  
  runs        WorkflowRun[]
  
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
  
  @@index([slug])
  @@index([creatorId])
  @@index([visibility])
}

model WorkflowRun {
  id          String   @id @default(cuid())
  
  workflowId  String
  workflow    Workflow @relation(fields: [workflowId], references: [id], onDelete: Cascade)
  
  userId      String?  // Who ran it
  
  name        String?  // Optional name for the run (user can name it)
  
  variables   Json?    // The variable values used for this run
  outputs     Json     // Array of step outputs
  model       String   // Model used for the run
  
  createdAt   DateTime @default(now())
  
  @@index([workflowId])
  @@index([userId])
}

// Saved prompt execution results
model SavedPromptRun {
  id          String   @id @default(cuid())
  
  promptId    String
  prompt      Prompt   @relation(fields: [promptId], references: [id], onDelete: Cascade)
  
  userId      String?
  
  name        String?
  variables   Json?    // Variable values used
  output      String   @db.Text  // The AI output
  model       String
  
  createdAt   DateTime @default(now())
  
  @@index([promptId])
  @@index([userId])
}

// Saved AI tool execution results
model SavedToolRun {
  id          String   @id @default(cuid())
  
  toolSlug    String   // Tool identifier (no relation, tools are static)
  
  userId      String?
  
  name        String?
  inputs      Json?    // Input values used
  output      String   @db.Text  // The AI output
  model       String
  
  createdAt   DateTime @default(now())
  
  @@index([toolSlug])
  @@index([userId])
}

// Saved model comparison results (Thunderdome / Performance)
model SavedComparison {
  id          String   @id @default(cuid())
  
  type        String   // "thunderdome" or "performance"
  
  userId      String?
  
  name        String?
  prompt      String   @db.Text  // The prompt used
  results     Json     // Array of model results with outputs
  winner      String?  // Winning model (for thunderdome)
  
  createdAt   DateTime @default(now())
  
  @@index([userId])
  @@index([type])
}

// ============================================
// NEW FEATURES - December 2025
// ============================================

// Comments on prompts (threaded discussions)
model Comment {
  id          String    @id @default(cuid())
  content     String    @db.Text
  
  promptId    String
  prompt      Prompt    @relation(fields: [promptId], references: [id], onDelete: Cascade)
  
  userId      String
  user        User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  parentId    String?   // For threaded replies
  parent      Comment?  @relation("CommentReplies", fields: [parentId], references: [id], onDelete: Cascade)
  replies     Comment[] @relation("CommentReplies")
  
  // Per-user like tracking (replaces plain Int to prevent spam)
  commentLikes CommentLike[]
  likesCount   Int       @default(0) // Denormalized count for quick display
  
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt
  
  @@index([promptId])
  @@index([userId])
  @@index([parentId])
}

// Per-user comment likes — prevents duplicate/spam likes
model CommentLike {
  commentId String
  comment   Comment  @relation(fields: [commentId], references: [id], onDelete: Cascade)
  
  userId    String
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  createdAt DateTime @default(now())
  
  @@id([commentId, userId])
  @@index([commentId])
  @@index([userId])
}

// Image Generation Prompts (Midjourney, DALL-E, Stable Diffusion, FLUX)
model ImagePrompt {
  id              String    @id @default(cuid())
  slug            String    @unique
  title           String
  description     String?
  
  // The actual prompt text
  prompt          String    @db.Text
  negativePrompt  String?   @db.Text  // For SD/FLUX
  
  // Target model
  model           String    // midjourney, dalle, stable-diffusion, flux, leonardo
  modelVersion    String?   // v6.1, SDXL, FLUX.1-dev, etc.
  
  // Image settings
  aspectRatio     String?   // 16:9, 1:1, 9:16, etc.
  style           String?   // photorealistic, anime, cartoon, etc.
  
  // Generated image preview (URL)
  previewImage    String?
  gallery         String[]  @default([]) // Multiple generated images
  
  // Metadata
  category        String?   // portrait, landscape, abstract, etc.
  tags            String[]
  visibility      String    @default("public")
  
  // Stats
  totalUses       Int       @default(0)
  votesCount      Int       @default(0)
  savesCount      Int       @default(0)
  
  creatorId       String?
  creator         User?     @relation(fields: [creatorId], references: [id])
  
  votes           ImagePromptVote[]
  
  createdAt       DateTime  @default(now())
  updatedAt       DateTime  @updatedAt
  
  @@index([slug])
  @@index([model])
  @@index([creatorId])
  @@index([category])
}

// Votes for image prompts
model ImagePromptVote {
  id            String      @id @default(cuid())
  
  imagePromptId String
  imagePrompt   ImagePrompt @relation(fields: [imagePromptId], references: [id], onDelete: Cascade)
  
  userId        String
  user          User        @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  value         Int         @default(1) // 1 for upvote, -1 for downvote
  
  createdAt     DateTime    @default(now())
  
  @@unique([imagePromptId, userId])
  @@index([imagePromptId])
  @@index([userId])
}

// Character/Persona System
model Character {
  id              String    @id @default(cuid())
  slug            String    @unique
  name            String
  description     String?   @db.Text
  
  // Persona definition
  personality     String    @db.Text  // Character's personality traits
  background      String?   @db.Text  // Character's backstory
  systemPrompt    String    @db.Text  // The actual system prompt
  
  // Visual representation
  avatar          String?   // URL to avatar image
  style           String?   // anime, realistic, cartoon, etc.
  
  // Metadata
  category        String?   // assistant, roleplay, educational, etc.
  tags            String[]
  visibility      String    @default("public")
  
  // Conversation settings
  responseStyle   String?   // formal, casual, playful, etc.
  temperature     Float     @default(0.7)
  
  // Stats
  totalChats      Int       @default(0)
  votesCount      Int       @default(0)
  savesCount      Int       @default(0)
  
  creatorId       String?
  creator         User?     @relation(fields: [creatorId], references: [id])
  
  votes           CharacterVote[]
  
  createdAt       DateTime  @default(now())
  updatedAt       DateTime  @updatedAt
  
  @@index([slug])
  @@index([creatorId])
  @@index([category])
}

// Votes for characters
model CharacterVote {
  id          String    @id @default(cuid())
  
  characterId String
  character   Character @relation(fields: [characterId], references: [id], onDelete: Cascade)
  
  userId      String
  user        User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  value       Int       @default(1)
  
  createdAt   DateTime  @default(now())
  
  @@unique([characterId, userId])
  @@index([characterId])
  @@index([userId])
}

// Engagement metrics tracking
model EngagementMetric {
  id          String    @id @default(cuid())
  
  // What was engaged with
  targetType  String    // prompt, imagePrompt, character, workflow
  targetId    String
  
  // Type of engagement
  action      String    // view, use, save, share, copy
  
  userId      String?   // Null for anonymous
  ipHash      String?   // For anonymous tracking
  
  createdAt   DateTime  @default(now())
  
  @@index([targetType, targetId])
  @@index([action])
  @@index([createdAt])
}

// Extension Analytics - tracks prompt usage from extension
model ExtensionAnalytics {
  id          String    @id @default(cuid())
  
  // User tracking
  userId      String?   // Null for anonymous users
  deviceId    String    // Unique device identifier from extension
  
  // What action was taken
  action      String    // inject, capture, broadcast, shortcut_use, context_menu
  
  // Platform info
  platform    String    // chatgpt, claude, gemini, etc.
  platforms   String[]  @default([]) // For broadcast (multiple platforms)
  
  // Prompt info (optional - for inject/capture)
  promptId    String?   // If from OpenPrompt library
  promptTitle String?
  promptText  String?   @db.Text // For captured prompts
  
  // Source info
  source      String    @default("extension") // extension, website
  
  // Metadata
  metadata    Json?     // Additional data like shortcut used, etc.
  
  createdAt   DateTime  @default(now())
  
  @@index([userId])
  @@index([deviceId])
  @@index([action])
  @@index([platform])
  @@index([createdAt])
}

// Captured prompts from AI chats (saved by users via extension)
model CapturedPrompt {
  id          String    @id @default(cuid())
  
  userId      String?
  deviceId    String
  
  title       String?
  text        String    @db.Text
  
  platform    String    // Where it was captured from
  url         String?   // Original URL
  
  // If saved to library
  savedToLibrary Boolean @default(false)
  promptId    String?   // If converted to a Prompt
  
  tags        String[]  @default([])
  
  createdAt   DateTime  @default(now())
  
  @@index([userId])
  @@index([deviceId])
  @@index([platform])
  @@index([createdAt])
}

// ============================================
// COMMUNITY FEATURES - December 2025
// ============================================

// Forum Posts (Community Q&A)
model ForumPost {
  id          String       @id @default(cuid())
  title       String
  content     String       @db.Text
  category    String       // general, help, showcase, feature-request, tips
  
  userId      String
  user        User         @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  replies     ForumReply[]
  
  views       Int          @default(0)
  likes       Int          @default(0)
  isPinned    Boolean      @default(false)
  isClosed    Boolean      @default(false)
  
  createdAt   DateTime     @default(now())
  updatedAt   DateTime     @updatedAt
  
  @@index([userId])
  @@index([category])
  @@index([createdAt])
}

// Forum Replies
model ForumReply {
  id          String     @id @default(cuid())
  content     String     @db.Text
  
  postId      String
  post        ForumPost  @relation(fields: [postId], references: [id], onDelete: Cascade)
  
  userId      String
  user        User       @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  parentId    String?    // For nested replies
  
  likes       Int        @default(0)
  isAccepted  Boolean    @default(false)
  
  createdAt   DateTime   @default(now())
  updatedAt   DateTime   @updatedAt
  
  @@index([postId])
  @@index([userId])
  @@index([parentId])
}

// User Conversations (Messaging)
model Conversation {
  id           String    @id @default(cuid())
  
  participant1 String
  participant2 String
  
  messages     Message[]
  
  lastMessage  String?   @db.Text
  lastActivity DateTime  @default(now())
  
  createdAt    DateTime  @default(now())
  
  @@unique([participant1, participant2])
  @@index([participant1])
  @@index([participant2])
  @@index([lastActivity])
}

// Direct Messages
model Message {
  id             String       @id @default(cuid())
  content        String       @db.Text
  
  senderId       String
  
  conversationId String
  conversation   Conversation @relation(fields: [conversationId], references: [id], onDelete: Cascade)
  
  isRead         Boolean      @default(false)
  
  createdAt      DateTime     @default(now())
  
  @@index([conversationId])
  @@index([senderId])
  @@index([createdAt])
}

// Character Memory (Persistent context)
model CharacterMemory {
  id             String    @id @default(cuid())
  
  characterId    String
  userId         String
  
  contextSummary String?   @db.Text
  recentMessages Json      @default("[]")
  userFacts      Json      @default("[]")
  messageCount   Int       @default(0)
  
  createdAt      DateTime  @default(now())
  updatedAt      DateTime  @updatedAt
  
  @@unique([characterId, userId])
  @@index([characterId])
  @@index([userId])
}

// ============================================
// NEW FEATURES - Follow & Notifications
// ============================================

// Follow system for creators
model Follow {
  id          String   @id @default(cuid())
  
  followerId  String
  follower    User     @relation("Follower", fields: [followerId], references: [id], onDelete: Cascade)
  
  followingId String
  following   User     @relation("Following", fields: [followingId], references: [id], onDelete: Cascade)
  
  createdAt   DateTime @default(now())
  
  @@unique([followerId, followingId])
  @@index([followerId])
  @@index([followingId])
}

// Notification system
model Notification {
  id          String    @id @default(cuid())
  
  userId      String    // Who receives the notification
  user        User      @relation("NotificationReceiver", fields: [userId], references: [id], onDelete: Cascade)
  
  type        String    // star, remix, comment, follow, mention
  title       String
  message     String?
  
  // What triggered the notification
  actorId     String?   // Who performed the action
  targetType  String?   // prompt, workflow, comment, etc.
  targetId    String?
  targetSlug  String?   // For linking
  
  isRead      Boolean   @default(false)
  
  createdAt   DateTime  @default(now())
  
  @@index([userId, isRead])
  @@index([userId, createdAt])
}

// Prompt version history
model PromptVersion {
  id          String   @id @default(cuid())
  
  promptId    String
  prompt      Prompt   @relation(fields: [promptId], references: [id], onDelete: Cascade)
  
  version     Int      @default(1)
  title       String
  template    String   @db.Text
  schema      Json     @default("{\"variables\":[]}")
  changeNote  String?  // What changed
  
  createdAt   DateTime @default(now())
  
  @@index([promptId])
  @@index([promptId, version])
}

// ============================================
// BILLING — Stripe Integration
// ============================================

// Active subscription record (one per user)
model Subscription {
  id                     String    @id @default(cuid())
  
  userId                 String    @unique
  user                   User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  // Stripe identifiers
  stripeCustomerId       String    @unique
  stripeSubscriptionId   String    @unique
  stripePriceId          String
  
  // Plan info
  plan                   String    @default("pro") // pro, enterprise
  status                 String    // active, canceled, past_due, trialing, unpaid
  
  // Billing cycle
  currentPeriodStart     DateTime
  currentPeriodEnd       DateTime
  cancelAtPeriodEnd      Boolean   @default(false)
  canceledAt             DateTime?
  
  createdAt              DateTime  @default(now())
  updatedAt              DateTime  @updatedAt
  
  @@index([userId])
  @@index([stripeSubscriptionId])
}

// Records when a user purchases a premium prompt
model PromptPurchase {
  id                   String   @id @default(cuid())
  
  userId               String
  user                 User     @relation(fields: [userId], references: [id], onDelete: Cascade)
  
  promptId             String
  prompt               Prompt   @relation("PremiumPurchases", fields: [promptId], references: [id], onDelete: Cascade)
  
  // Payment info
  amount               Int      // in cents
  currency             String   @default("usd")
  stripePaymentIntentId String  @unique
  
  // Creator payout (80% to creator)
  creatorPayout        Int      // 80% of amount in cents
  creatorPaid          Boolean  @default(false)
  
  createdAt            DateTime @default(now())
  
  @@unique([userId, promptId]) // One purchase per user per prompt
  @@index([userId])
  @@index([promptId])
}