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

datasource db {
  provider     = "sqlite"
  url          = "file:./data/tinker.db"
  relationMode = "prisma"
}

model User {
  id            String    @id @default(cuid())
  name          String?
  email         String    @unique
  password      String?
  emailVerified DateTime?
  image         String?
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt
  subscription  String    @default("free")
  credits       Int       @default(10)
  maxDeals      Int       @default(5)
  accounts      Account[]
  sessions      Session[]
  deals         Deal[]
  scanLogs      ScanLog[]
  negotiations  Negotiation[]
  transactions  Transaction[]
  queueItems    QueueItem[]

  @@map("users")
}

model Account {
  id                String  @id @default(cuid())
  userId            String
  type              String
  provider          String
  providerAccountId String
  refresh_token     String?
  access_token      String?
  expires_at        Int?
  token_type        String?
  scope             String?
  id_token          String?
  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 Deal {
  id            String        @id @default(cuid())
  userId        String
  title         String
  sourceUrl     String
  marketplace   String
  buyPrice      Float
  estimatedSell Float
  profitMargin  Float
  confidence    Float         @default(0)
  status        String        @default("pending")
  scrapedAt     DateTime      @default(now())
  analyzedAt    DateTime?
  negotiatedAt  DateTime?
  transactedAt  DateTime?
  sellerContact String?
  notes         String?
  user          User          @relation(fields: [userId], references: [id], onDelete: Cascade)
  negotiations  Negotiation[]
  transaction   Transaction?

  @@index([userId, status])
  @@map("deals")
}

model ScanLog {
  id            String   @id @default(cuid())
  userId        String?
  marketplace   String
  itemsScanned  Int      @default(0)
  dealsFound    Int      @default(0)
  duration      Int
  status        String   @default("completed")
  error         String?
  createdAt     DateTime @default(now())
  user          User?    @relation(fields: [userId], references: [id], onDelete: SetNull)

  @@index([createdAt])
  @@map("scan_logs")
}

model Negotiation {
  id          String   @id @default(cuid())
  dealId      String
  userId      String
  message     String
  response    String?
  offeredPrice Float?
  acceptedPrice Float?
  status      String   @default("pending")
  turn        Int      @default(1)
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
  deal        Deal     @relation(fields: [dealId], references: [id], onDelete: Cascade)
  user        User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([dealId])
  @@map("negotiations")
}

model Transaction {
  id              String   @id @default(cuid())
  dealId          String   @unique
  userId          String
  amount          Float
  fee             Float    @default(0)
  netProfit       Float
  paymentMethod   String
  paymentStatus   String   @default("pending")
  shippingAddress String?
  trackingNumber  String?
  status          String   @default("pending")
  createdAt       DateTime @default(now())
  completedAt     DateTime?
  deal            Deal     @relation(fields: [dealId], references: [id], onDelete: Cascade)
  user            User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId, status])
  @@map("transactions")
}

model QueueItem {
  id         String   @id @default(cuid())
  userId     String
  dealId     String?
  action     String
  priority   Int      @default(5)
  status     String   @default("queued")
  data       String?
  error      String?
  retries    Int      @default(0)
  maxRetries Int      @default(3)
  scheduled  DateTime?
  startedAt  DateTime?
  finishedAt DateTime?
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt
  user       User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([status, priority])
  @@map("queue_items")
}