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

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

model AdminUser {
  id           String   @id @default(cuid())
  username     String   @unique
  passwordHash String
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt
}

model Source {
  id              String    @id @default(cuid())
  name            String
  baseUrl         String?
  apiCode         String    @unique
  defaultBias     Bias?
  credibilityScore Float    @default(5)
  active          Boolean   @default(true)
  createdAt       DateTime  @default(now())
  updatedAt       DateTime  @updatedAt
  articles        Article[]
}

model Article {
  id                String         @id @default(cuid())
  title             String
  summary           String?
  url               String         @unique
  sourceId          String
  source            Source         @relation(fields: [sourceId], references: [id])
  imageUrl          String?
  publishedAt       DateTime?
  fetchedAt         DateTime       @default(now())
  primaryBias       Bias
  biasConfidence    Float          @default(0)
  politicalTags     String         @default("[]")
  rankScore         Float          @default(0)
  credibilityScore  Float          @default(5)
  status            ArticleStatus  @default(DRAFT)
  topics            String         @default("[]")
  rawData           String         @default("{}")
  aiExplanation     String?
  createdAt         DateTime       @default(now())
  updatedAt         DateTime       @updatedAt

  @@index([primaryBias, status])
  @@index([status, publishedAt])
  @@index([rankScore])
}

model ApiKey {
  id          String    @id @default(cuid())
  provider    ApiProvider
  encryptedKey String
  label       String?
  isActive    Boolean   @default(true)
  lastUsedAt  DateTime?
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  @@unique([provider, isActive])
}

model SearchRule {
  id            String       @id @default(cuid())
  name          String
  query         String
  sources       String       @default("[]")
  schedule      String       @default("0 */6 * * *")
  maxResults    Int          @default(20)
  autoPublish   Boolean      @default(false)
  minRankScore  Float        @default(5)
  isActive      Boolean      @default(true)
  aiProvider    ApiProvider  @default(KIMI)
  aiModel       String?
  lastRunAt     DateTime?
  createdAt     DateTime     @default(now())
  updatedAt     DateTime     @updatedAt
  runs          SearchRun[]
}

model SearchRun {
  id            String    @id @default(cuid())
  ruleId        String
  rule          SearchRule @relation(fields: [ruleId], references: [id], onDelete: Cascade)
  status        RunStatus @default(RUNNING)
  stage         String?   // e.g. "FETCHING", "ANALYZING", "SAVING"
  progress      String?   // human-readable progress, e.g. "3 of 12"
  articlesFound Int       @default(0)
  error         String?
  startedAt     DateTime  @default(now())
  endedAt       DateTime?
}

enum Bias {
  LEFT
  CENTER
  RIGHT
}

enum ArticleStatus {
  DRAFT
  PUBLISHED
  ARCHIVED
}

enum ApiProvider {
  NEWSAPI
  GNEWS
  KIMI
  WEBSEARCH
  NEWSDATA
  BRAVE
}

enum RunStatus {
  RUNNING
  SUCCESS
  ERROR
}