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

// Looking for ways to speed up your queries, or scale easily with your serverless or edge functions?
// Try Prisma Accelerate: https://pris.ly/cli/accelerate-init

generator client {
  provider = "prisma-client-js"
  output   = "../generated/prisma"
}

generator json {
  provider = "prisma-json-types-generator"
}

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

model TelegramSession {
  id        String   @id
  data      Json
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

model TelegramUser {
  id           String   @id
  username     String?
  isBlocked    Boolean  @default(false)
  firstName    String?
  lastName     String?
  languageCode String?
  isPremium    Boolean?
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt

  payments     Payment[]
  subscription Subscription?
}

model Payment {
  id             String        @id @default(cuid())
  telegramUserId String
  amount         Decimal       @db.Decimal(10, 2)
  currency       String
  status         PaymentStatus @default(PENDING)
  provider       String
  providerId     String?
  metadata       Json?
  createdAt      DateTime      @default(now())
  updatedAt      DateTime      @updatedAt
  telegramUser   TelegramUser  @relation(fields: [telegramUserId], references: [id])
}

enum PaymentStatus {
  PENDING
  COMPLETED
  FAILED
  REFUNDED
}

model Plan {
  id               String  @id @default(uuid())
  code             String  @unique()
  name             String
  description      String?
  durationDays     Int
  dailyGenerations Int
  price            Int
  currency         String

  subscriptions Subscription[]

  @@index([code])
}

model Subscription {
  id             String @id @default(uuid())
  telegramUserId String @unique
  planId         String

  startedAt  DateTime  @default(now())
  expiresAt  DateTime
  canceledAt DateTime?

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  plan         Plan         @relation(fields: [planId], references: [id], onDelete: Cascade)
  telegramUser TelegramUser @relation(fields: [telegramUserId], references: [id], onDelete: Cascade)

  @@index([telegramUserId])
  @@index([planId])
}

model File {
  id           String   @id @default(uuid())
  filename     String
  originalName String
  mimeType     String
  size         Int
  path         String
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt

  links FileLink[]
}

model FileLink {
  id         String @id @default(uuid())
  fileId     String
  relationId String

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  file File @relation(fields: [fileId], references: [id], onDelete: Cascade)
}