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

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

model User {
  id        String   @id @default(uuid())
  phone     String   @unique
  name      String?
  role      Role     @default(STUDENT)
  language  Language @default(FR)
  city      String?
  activity  String?  // Business activity/sector
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  
  currentStreak Int @default(0)
  longestStreak Int @default(0)
  lastActivityAt DateTime?
  
  enrollments Enrollment[]
  responses   Response[]
  messages    Message[]
  payments    Payment[]
  progress    UserProgress[]
  businessProfile BusinessProfile?
}

model BusinessProfile {
  id                String   @id @default(uuid())
  userId            String   @unique
  activityLabel     String?  // e.g. "Jus de Bissap"
  activityPhrase    String?  // Optimized elevator pitch
  activityType      String?  // e.g. "Production", "Service"
  locationCity      String?
  mainCustomer      String?
  mainProblem       String?
  offerSimple       String?
  promise           String?
  marketData        Json?    // Stored Google Search results for TAM/SAM/SOM & Competition
  competitorList    Json?    // List of rivals found or declared
  financialProjections Json? // 3-year growth data
  fundingAsk        String?  // Amount and purpose
  lastUpdatedFromDay Int     @default(0)
  createdAt         DateTime @default(now())
  updatedAt         DateTime @updatedAt

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

model Track {
  id              String   @id @default(uuid())
  title           String
  description     String?
  duration        Int      // Duration in days
  language        Language @default(FR)
  
  // Payment Integration Fields
  isPremium       Boolean  @default(false)
  priceAmount     Int?     // Price in smallest currency unit (e.g., cents/XOF)
  stripePriceId   String?  // Stripe Price ID
  
  createdAt       DateTime @default(now())
  updatedAt       DateTime @updatedAt

  days            TrackDay[]
  enrollments     Enrollment[]
  payments        Payment[]
  progress        UserProgress[]
}

model TrackDay {
  id                String       @id @default(uuid())
  trackId           String
  dayNumber         Float
  title             String?
  audioUrl          String?
  imageUrl          String?
  videoUrl          String?
  videoCaption      String?
  lessonText        String?
  exerciseType      ExerciseType @default(TEXT)
  exercisePrompt    String?
  validationKeyword String?
  buttonsJson       Json?
  exerciseCriteria  Json?
  badges            Json?    // Array of strings: ["B_MODULE_1_OK"]
  unlockCondition   String?
  createdAt         DateTime     @default(now())
  updatedAt         DateTime     @updatedAt

  track             Track        @relation(fields: [trackId], references: [id])
}

model UserProgress {
  id              String         @id @default(uuid())
  userId          String
  trackId         String
  score           Int            @default(0)
  lastInteraction DateTime       @default(now())
  exerciseStatus  ExerciseStatus @default(PENDING)
  badges          Json?          // Array of strings: ["CLARTE", "CONFIANCE"]
  behavioralScoring Json?         // { discipline_financiere: 0, organisation: 0, ... }
  confidenceScore Float?          // STT Whisper avg_logprob mapped to 0-100%
  adminTranscription String?
  overrideAudioUrl   String?
  reviewedBy         String?
  iterationCount     Int            @default(0) // Tracks Deep Dive loops
  aiSource           String?        // Provider used (GEMINI, OPENAI)
  
  // Removed Enriched Data for Pitch Deck (Moved to BusinessProfile - Sprint 38)
  createdAt       DateTime       @default(now())
  updatedAt       DateTime       @updatedAt

  user            User           @relation(fields: [userId], references: [id])
  track           Track          @relation(fields: [trackId], references: [id])

  @@unique([userId, trackId])
}

model Enrollment {
  id          String           @id @default(uuid())
  userId      String
  trackId     String
  status      EnrollmentStatus @default(ACTIVE)
  currentDay  Float              @default(1)
  startedAt   DateTime         @default(now())
  completedAt DateTime?
  lastActivityAt DateTime      @default(now())
  
  user        User             @relation(fields: [userId], references: [id])
  track       Track            @relation(fields: [trackId], references: [id])
  responses   Response[]
}

model Response {
  id           String   @id @default(uuid())
  enrollmentId String
  userId       String
  dayNumber    Int
  content      String?  // Text response
  mediaUrl     String?  // Voice/Image response
  createdAt    DateTime @default(now())
  aiSource     String?  // Provider used (GEMINI, OPENAI)
  
  enrollment   Enrollment @relation(fields: [enrollmentId], references: [id], onDelete: Cascade)
  user         User       @relation(fields: [userId], references: [id])
}

model Message {
  id        String   @id @default(uuid())
  userId    String
  direction Direction // INBOUND, OUTBOUND
  channel   String   @default("WHATSAPP")
  content   String?
  mediaUrl  String?
  payload   Json?    // Raw payload from provider
  createdAt DateTime @default(now())

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

  @@index([userId, createdAt])
}

enum Role {
  STUDENT
  ADMIN
}

enum EnrollmentStatus {
  ACTIVE
  COMPLETED
  DROPPED
}

enum Language {
  FR
  WOLOF
}

enum ContentType {
  TEXT
  AUDIO
  IMAGE
  VIDEO
}

enum Direction {
  INBOUND
  OUTBOUND
}

model Payment {
  id              String        @id @default(uuid())
  userId          String
  trackId         String
  amount          Int
  currency        String        @default("XOF")
  status          PaymentStatus @default(PENDING)
  stripeSessionId String?       @unique
  createdAt       DateTime      @default(now())
  updatedAt       DateTime      @updatedAt

  user            User          @relation(fields: [userId], references: [id])
  track           Track         @relation(fields: [trackId], references: [id])
}

enum PaymentStatus {
  PENDING
  COMPLETED
  FAILED
  REFUNDED
}

enum ExerciseType {
  TEXT
  AUDIO
  BUTTON
}

enum ExerciseStatus {
  PENDING
  PENDING_REMEDIATION
  PENDING_REVIEW
  PENDING_DEEPDIVE
  COMPLETED
}

model TrainingData {
  id               String   @id @default(uuid())
  audioUrl         String
  transcription    String   @db.Text
  manualCorrection String?  @db.Text
  rawWER           Float?
  normalizedWER    Float?
  status           TrainingStatus @default(PENDING)
  createdAt        DateTime @default(now())
  updatedAt        DateTime @updatedAt
}

enum TrainingStatus {
  PENDING
  REVIEWED
  IGNORED
}