generator client {
  provider        = "prisma-client-js"
  previewFeatures = ["postgresqlExtensions"]
}

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

model ExternalLink {
  id        String   @id @default(cuid())
  type      LinkType
  url       String
  title     String?
  projectId String
  project   Project  @relation(fields: [projectId], references: [id], onDelete: Cascade)

  @@unique([projectId, url])
  @@index([projectId], map: "idx_link_projectId")
  @@index([type], map: "idx_link_type")
  @@index([type, url], map: "idx_link_type_url")
  @@index([url], map: "idx_link_url")
  @@map("external_links")
}

model KeywordCloudErrorLog {
  id           Int      @id @default(autoincrement())
  quarter      String
  keyword      String?
  errorType    String
  errorMessage String
  rawData      Json?
  createdAt    DateTime @default(now())

  @@index([errorType], map: "idx_keywordCloudErrorLog_errorType")
  @@index([quarter], map: "idx_keywordCloudErrorLog_quarter")
  @@map("keyword_cloud_error_logs")
}

model Keyword {
  id             Int      @id @default(autoincrement())
  word           String
  trendScore     Int
  quarterId      Int
  description    String
  descriptionEn  String?
  detailPoints   Json
  detailPointsEn Json?
  visualConfig   Json
  createdAt      DateTime @default(now())
  updatedAt      DateTime @updatedAt
  quarter        Quarter  @relation(fields: [quarterId], references: [id], onDelete: Cascade)

  @@index([quarterId], map: "idx_keyword_quarterId")
  @@index([trendScore], map: "idx_keyword_trendScore")
  @@index([word], map: "idx_keyword_word")
  @@map("keywords")
}

model ProjectDiscoveryTask {
  id                 String     @id @default(cuid())
  status             TaskStatus @default(PENDING)
  sourceUrl          String
  sourceType         String     @default("manual")
  explorationData    Json?
  explorationSummary String?
  errorMessage       String?
  retryCount         Int        @default(0)
  lastRetryAt        DateTime?
  projectId          String?
  createdAt          DateTime   @default(now())
  startedAt          DateTime?
  completedAt        DateTime?
  updatedAt          DateTime   @updatedAt
  project            Project?   @relation(fields: [projectId], references: [id])

  @@index([projectId], map: "idx_task_project_id")
  @@index([sourceUrl], map: "idx_task_source_url")
  @@index([status, createdAt], map: "idx_task_status_created")
  @@map("project_discovery_tasks")
}

model ProjectTag {
  projectId String
  tagId     String
  project   Project  @relation(fields: [projectId], references: [id], onDelete: Cascade)
  tag       Tag      @relation(fields: [tagId], references: [id], onDelete: Cascade)

  @@id([projectId, tagId])
  @@index([tagId])
  @@map("project_tags")
}

model Project {
  id                      String                    @id @default(cuid())
  name                    String
  nameEn                  String?
  slug                    String                    @unique
  description             String
  descriptionEn           String?
  content                 String?
  contentEn               String?
  status                  ProjectStatus             @default(ACTIVE)
  source                  String?
  createdAt               DateTime                  @default(now())
  updatedAt               DateTime                  @updatedAt
  embedding               Unsupported("vector")?
  embeddingUpdatedAt      DateTime?
  links                   ExternalLink[]
  projectDiscoveryTasks   ProjectDiscoveryTask[]
  tags                    ProjectTag[]

  @@index([embedding], map: "idx_project_embedding_cosine")
  @@index([slug], map: "idx_project_slug")
  @@index([status, createdAt], map: "idx_project_status_createdAt")
  @@map("projects")
}

model Quarter {
  id           Int        @id @default(autoincrement())
  quarter      String     @unique
  title        String
  titleEn      String?
  subtitle     String?
  subtitleEn   String?
  displayOrder Int        @default(0)
  isActive     Boolean    @default(true)
  createdAt    DateTime   @default(now())
  updatedAt    DateTime   @updatedAt
  keywords     Keyword[]

  @@index([displayOrder], map: "idx_quarter_displayOrder")
  @@index([quarter], map: "idx_quarter_quarter")
  @@map("quarters")
}

model Tag {
  id           String         @id @default(cuid())
  name         String         @unique
  nameEn       String?
  slug         String         @unique
  createdAt    DateTime       @default(now())
  projects     ProjectTag[]

  @@index([slug], map: "idx_tag_slug")
  @@map("tags")
}

model VisualStyleRule {
  id        Int      @id @default(autoincrement())
  name      String   @unique
  minScore  Int
  maxScore  Int
  color     String
  size      String
  border    String
  rotation  String?
  priority  Int      @default(0)
  enabled   Boolean  @default(true)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([enabled], map: "idx_visualStyleRule_enabled")
  @@index([minScore, maxScore], map: "idx_visualStyleRule_scoreRange")
  @@map("visual_style_rules")
}

enum LinkType {
  WEBSITE
  GITHUB
  HUGGINGFACE
  PAPER
}

enum ProjectStatus {
  ACTIVE
  ARCHIVED
}

enum TaskStatus {
  PENDING
  IN_PROGRESS
  COMPLETED
  FAILED
}

// ================================
// AI Timeline System Models
// ================================

model AIEvent {
  id            String   @id @default(cuid())
  title         String
  titleEn       String?
  eventDate     DateTime
  description   String
  descriptionEn String?
  imageUrl      String
  sourceUrl     String?

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

  @@index([eventDate(sort: Desc)])
  @@index([createdAt])
  @@map("ai_events")
}