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

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

model User {
  id           String    @id @default(cuid())
  name         String
  phone        String    @unique
  role         String
  dealerId     String?
  dealer       Dealer?   @relation("DealerStaff", fields: [dealerId], references: [id])
  currentOtp   String?
  otpExpiresAt DateTime?
  createdAt    DateTime  @default(now())
  updatedAt    DateTime  @updatedAt

  assignments   DealerAssignment[] @relation("SalesRepAssignments")
  stageLogs     StageLog[]
  transfers     StockTransfer[]
  events        Event[]
  servicePoints ServicePoint[]
}

model Dealer {
  id        String   @id @default(cuid())
  name      String
  code      String   @unique
  district  String?
  address   String?
  phone     String?
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  staff         User[]             @relation("DealerStaff")
  assignments   DealerAssignment[]
  stocks        Stock[]
  transfersFrom StockTransfer[]    @relation("TransferFrom")
  transfersTo   StockTransfer[]    @relation("TransferTo")
  events        Event[]
}

model DealerAssignment {
  salesRepId String
  dealerId   String
  createdAt  DateTime @default(now())
  salesRep   User     @relation("SalesRepAssignments", fields: [salesRepId], references: [id], onDelete: Cascade)
  dealer     Dealer   @relation(fields: [dealerId], references: [id], onDelete: Cascade)

  @@id([salesRepId, dealerId])
}

model Stock {
  id                 String   @id @default(cuid())
  chassisNumber      String   @unique
  engineNumber       String   @unique
  model              String
  color              String
  currentDealerId    String
  currentDealer      Dealer   @relation(fields: [currentDealerId], references: [id])
  dateReceived       DateTime @default(now())
  currentStage       String   @default("received")
  paymentType        String?
  leaseProviderType  String?
  financeCompanyName String?
  createdAt          DateTime @default(now())
  updatedAt          DateTime @updatedAt

  stageLogs StageLog[]
  transfers StockTransfer[]
}

model StageLog {
  id       String   @id @default(cuid())
  stockId  String
  stock    Stock    @relation(fields: [stockId], references: [id], onDelete: Cascade)
  stage    String
  loggedAt DateTime @default(now())
  actorId  String?
  actor    User?    @relation(fields: [actorId], references: [id])
}

model StockTransfer {
  id            String   @id @default(cuid())
  stockId       String
  stock         Stock    @relation(fields: [stockId], references: [id], onDelete: Cascade)
  fromDealerId  String
  fromDealer    Dealer   @relation("TransferFrom", fields: [fromDealerId], references: [id])
  toDealerId    String
  toDealer      Dealer   @relation("TransferTo", fields: [toDealerId], references: [id])
  actorId       String
  actor         User     @relation(fields: [actorId], references: [id])
  transferredAt DateTime @default(now())
}

model Event {
  id          String   @id @default(cuid())
  dealerId    String
  dealer      Dealer   @relation(fields: [dealerId], references: [id])
  planType    String
  month       Int?
  year        Int?
  title       String
  description String
  expense     Float
  imageUrls   String   @default("[]")
  createdById String
  createdBy   User     @relation(fields: [createdById], references: [id])
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
}

model ServicePoint {
  id          String   @id @default(cuid())
  name        String
  district    String
  address     String?
  phone       String?
  notes       String?
  createdById String
  createdBy   User     @relation(fields: [createdById], references: [id])
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
}