// InkReach Product Center Prisma Schema
// Generated based on docs/dev/database-table-design.md
// All TIMESTAMPTZ columns use DateTime @db.Timestamptz(6)
// All BIGINT columns use BigInt
// snake_case table & column names via @@map / @map

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

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

// ---------- Origin Goods ----------
model OriginGood {
  id          BigInt   @id @default(autoincrement()) @map("origin_good_id")
  sdsGoodId   String   @unique @map("sds_good_id")
  // Cached SDS product metadata (filled during sync)
  sdsCategoryId String? @map("sds_category_id")
  goodName    String?  @map("good_name")
  goodImage   String?  @map("good_image")
  goodPrice   Decimal? @map("good_price") @db.Decimal(12, 2)
  createdAt   DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
  updatedAt   DateTime @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)

  goods Good[]

  @@index([sdsCategoryId])
  @@map("origin_goods")
}

// ---------- Countries ----------
model Country {
  id          BigInt   @id @default(autoincrement()) @map("country_id")
  countryName String   @unique @map("country_name")
  countryIcon String?  @map("country_icon")
  createdAt   DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
  updatedAt   DateTime @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)

  goods     Good[]
  positions Position[]

  @@map("countries")
}

// ---------- Categories (self-referential tree) ----------
model Category {
  id               BigInt     @id @default(autoincrement()) @map("category_id")
  parentCategoryId BigInt?    @map("parent_category_id")
  categoryName     String     @map("category_name")
  categoryIcon     String?    @map("category_icon")
  sdsCategoryId    String?    @unique @map("sds_category_id")
  createdAt        DateTime   @default(now()) @map("created_at") @db.Timestamptz(6)
  updatedAt        DateTime   @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)

  parent     Category?  @relation("CategoryToCategory", fields: [parentCategoryId], references: [id], onDelete: Restrict, onUpdate: NoAction)
  children   Category[] @relation("CategoryToCategory")
  goods      Good[]
  positions  Position[]

  @@index([parentCategoryId])
  @@map("categories")
}

// ---------- Tags ----------
model Tag {
  id        BigInt   @id @default(autoincrement()) @map("tag_id")
  tagName   String   @unique @map("tag_name")
  tagColor  String?  @map("tag_color")
  timing    String?
  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
  updatedAt DateTime @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)

  goods    Good[]
  goodTags GoodTag[]

  @@map("tags")
}

// ---------- Positions ----------
model Position {
  id         BigInt   @id @default(autoincrement()) @map("position_id")
  indexVal   Int      @map("index_val")
  countryId  BigInt?  @map("country_id")
  categoryId BigInt?  @map("category_id")
  createdAt  DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
  updatedAt  DateTime @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)

  country  Country?  @relation(fields: [countryId], references: [id], onDelete: Cascade, onUpdate: NoAction)
  category Category? @relation(fields: [categoryId], references: [id], onDelete: Cascade, onUpdate: NoAction)
  goods    Good[]

  @@index([countryId])
  @@index([categoryId])
  @@index([countryId, categoryId])
  @@map("positions")
}

// ---------- Goods ----------
model Good {
  id            BigInt   @id @default(autoincrement()) @map("good_id")
  originGoodId  BigInt   @map("origin_good_id")
  countryId     BigInt   @map("country_id")
  categoryId    BigInt   @map("category_id")
  tagId         BigInt?  @map("tag_id")
  positionId    BigInt?  @map("position_id")
  goodName      String   @map("good_name")
  goodImage     String?  @map("good_image")
  goodPriority  Int      @default(0) @map("good_priority")
  createdAt     DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
  updatedAt     DateTime @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)

  originGood OriginGood @relation(fields: [originGoodId], references: [id], onDelete: Restrict, onUpdate: NoAction)
  country    Country    @relation(fields: [countryId], references: [id], onDelete: Restrict, onUpdate: NoAction)
  category   Category   @relation(fields: [categoryId], references: [id], onDelete: Restrict, onUpdate: NoAction)
  tag        Tag?       @relation(fields: [tagId], references: [id], onDelete: SetNull, onUpdate: NoAction)
  position   Position?  @relation(fields: [positionId], references: [id], onDelete: SetNull, onUpdate: NoAction)
  goodTags   GoodTag[]

  @@index([originGoodId])
  @@index([countryId])
  @@index([categoryId])
  @@index([tagId])
  @@index([positionId])
  @@index([goodPriority(sort: Desc)])
  @@index([countryId, goodPriority(sort: Desc)])
  @@index([categoryId, countryId])
  @@map("goods")
}

// ---------- Good-Tag Junction (M:N) ----------
model GoodTag {
  goodId    BigInt   @map("good_id")
  tagId     BigInt   @map("tag_id")
  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6)

  good Good @relation(fields: [goodId], references: [id], onDelete: Cascade, onUpdate: NoAction)
  tag  Tag  @relation(fields: [tagId], references: [id], onDelete: Cascade, onUpdate: NoAction)

  @@id([goodId, tagId])
  @@index([tagId])
  @@map("good_tags")
}

// ---------- Users (admin authentication) ----------
model User {
  id           BigInt   @id @default(autoincrement())
  username     String   @unique
  passwordHash String   @map("password_hash")
  createdAt    DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
  updatedAt    DateTime @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(6)

  @@map("users")
}

// ---------- Sync Logs ----------
enum SyncType {
  CATEGORIES
  PRODUCTS
}

enum SyncStatus {
  RUNNING
  SUCCESS
  FAILED
}

model SyncLog {
  id         BigInt     @id @default(autoincrement())
  type       SyncType
  status     SyncStatus
  message    String?
  startedAt  DateTime   @default(now()) @map("started_at") @db.Timestamptz(6)
  finishedAt DateTime?  @map("finished_at") @db.Timestamptz(6)

  @@index([type, startedAt])
  @@map("sync_logs")
}