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

// Get a free hosted Postgres database in seconds: `npx create-db`

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

datasource db {
  provider = "mysql"
}

enum ImageGenerationStatus {
  QUEUED
  RUNNING
  SUCCEEDED
  FAILED
}

model User {
  id               Int               @id
  username         String            @default("") @db.VarChar(191)
  displayName      String            @default("") @map("display_name") @db.VarChar(191)
  group            String            @default("") @db.VarChar(191)
  role             Int               @default(0)
  status           Int               @default(0)
  createdAt        DateTime          @default(now()) @map("created_at")
  updatedAt        DateTime          @updatedAt @map("updated_at")
  imageGenerations ImageGeneration[]

  @@map("users")
}

model ImageGeneration {
  id               BigInt                @id @default(autoincrement()) @db.UnsignedBigInt
  userId           Int                   @map("user_id")
  prompt           String                @db.Text
  status           ImageGenerationStatus @default(RUNNING)
  model            String                @default("gpt-image-2") @db.VarChar(64)
  size             String                @default("1024x1024") @db.VarChar(32)
  startedAt        DateTime              @default(now()) @map("started_at")
  endedAt          DateTime?             @map("ended_at")
  durationMs       Int?                  @map("duration_ms")
  imageUrl         String?               @map("image_url") @db.VarChar(2048)
  hostedImageUrl   String?               @map("hosted_image_url") @db.VarChar(2048)
  imageMimeType    String?               @map("image_mime_type") @db.VarChar(191)
  revisedPrompt    String?               @map("revised_prompt") @db.Text
  upstreamResponse Json?                 @map("upstream_response")
  hostedResponse   Json?                 @map("hosted_response")
  errorMessage     String?               @map("error_message") @db.Text
  createdAt        DateTime              @default(now()) @map("created_at")
  updatedAt        DateTime              @updatedAt @map("updated_at")
  deletedAt        DateTime?             @map("deleted_at")
  user             User                  @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId, createdAt])
  @@index([status])
  @@index([deletedAt])
  @@map("image_generations")
}

model GenerationStats {
  id              String   @id @db.VarChar(32)
  totalRequests   Int      @default(0) @map("total_requests")
  successRequests Int      @default(0) @map("success_requests")
  failedRequests  Int      @default(0) @map("failed_requests")
  queuedRequests  Int      @default(0) @map("queued_requests")
  runningRequests Int      @default(0) @map("running_requests")
  totalImages     Int      @default(0) @map("total_images")
  createdAt       DateTime @default(now()) @map("created_at")
  updatedAt       DateTime @updatedAt @map("updated_at")

  @@map("generation_stats")
}