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

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

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

// ================================
// Enums
// ================================

enum ProjectStatus {
  ACTIVE
  ARCHIVED
}

enum LinkType {
  WEBSITE
  GITHUB
  HUGGINGFACE
  PAPER
}

// ================================
// Models
// ================================

model Project {
  id             String        @id @default(cuid())
  name           String
  nameEn         String?
  slug           String        @unique
  description    String
  descriptionEn  String?
  content        String?       @db.Text
  contentEn      String?       @db.Text
  status         ProjectStatus @default(ACTIVE)
  source         String?
  createdAt      DateTime      @default(now())
  updatedAt      DateTime      @updatedAt

  // Relations
  tags           Tag[]
  links          ExternalLink[]

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

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

  // Relations
  projects  Project[]

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

model ExternalLink {
  id        String   @id @default(cuid())
  type      LinkType
  url       String
  title     String?
  projectId String

  // Relations
  project   Project  @relation(fields: [projectId], references: [id], onDelete: Cascade)

  // Indexes
  @@index([projectId], map: "idx_link_projectId")
  @@index([type], map: "idx_link_type")
  @@map("external_links")
}