// 由现有 v3.5 PostgreSQL 结构反向映射。
// CHECK、C 排序规则与部分唯一索引以 migrations 中保留的原始 SQL 为准。
generator client {
    provider            = "prisma-client"
    output              = "../src/generated/prisma"
    previewFeatures     = ["partialIndexes"]
    importFileExtension = "js"
    moduleFormat        = "cjs"
}

datasource db {
    provider = "postgresql"
}

/// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
/// This model or at least one of its fields has comments in the database, and requires an additional setup for migrations: Read more: https://pris.ly/d/database-comments
model AdminAuditLog {
    id           String   @id @db.VarChar(128)
    actorUserId  String?  @map("actor_user_id") @db.VarChar(128)
    actorType    String   @map("actor_type") @db.VarChar(16)
    action       String   @db.VarChar(64)
    resourceType String   @map("resource_type") @db.VarChar(64)
    resourceId   String?  @map("resource_id") @db.VarChar(128)
    requestId    String   @map("request_id") @db.VarChar(128)
    beforeData   Json?    @map("before_data")
    afterData    Json?    @map("after_data")
    reason       String?
    createdAt    DateTime @default(now()) @map("created_at") @db.Timestamptz(3)

    @@index([actorUserId, createdAt(sort: Desc)], map: "admin_audit_logs_actor_created_at_idx")
    @@index([requestId])
    @@index([resourceType, resourceId, createdAt(sort: Desc)], map: "admin_audit_logs_resource_created_at_idx")
    @@map("admin_audit_logs")
}

/// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
/// This model or at least one of its fields has comments in the database, and requires an additional setup for migrations: Read more: https://pris.ly/d/database-comments
model Asset {
    id                              String                   @id @db.VarChar(128)
    sourceRef                       String?                  @map("source_ref")
    sourceRefHash                   String?                  @unique @map("source_ref_hash") @db.Char(64)
    provider                        String                   @default("qiniu") @db.VarChar(16)
    bucket                          String?                  @db.VarChar(128)
    objectKey                       String?                  @map("object_key")
    objectRefHash                   String?                  @unique @map("object_ref_hash") @db.Char(64)
    externalUrl                     String?                  @map("external_url")
    purpose                         String                   @db.VarChar(32)
    ownerUserId                     String?                  @map("owner_user_id") @db.VarChar(128)
    visibility                      String                   @db.VarChar(16)
    mimeType                        String?                  @map("mime_type") @db.VarChar(128)
    sizeBytes                       BigInt?                  @map("size_bytes")
    checksum                        String?                  @db.Char(64)
    status                          String                   @default("pending") @db.VarChar(16)
    lastError                       String?                  @map("last_error")
    createdAt                       DateTime                 @default(now()) @map("created_at") @db.Timestamptz(3)
    updatedAt                       DateTime                 @default(now()) @map("updated_at") @db.Timestamptz(3)
    usersAssetsOwnerUserIdTousers   User?                    @relation("assets_owner_user_idTousers", fields: [ownerUserId], references: [id], onUpdate: Restrict)
    categories                      Category[]
    usersUsersAvatarAssetIdToassets User[]                   @relation("users_avatar_asset_idToassets")
    worksheetResourceAssets         WorksheetResourceAsset[]
    worksheetResources              WorksheetResource[]
    worksheets                      Worksheet[]

    @@index([ownerUserId, purpose, status], map: "assets_owner_purpose_status_idx")
    @@index([status, updatedAt])
    @@map("assets")
}

/// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
/// This model or at least one of its fields has comments in the database, and requires an additional setup for migrations: Read more: https://pris.ly/d/database-comments
model Category {
    status          String      @default("draft") @db.VarChar(16)
    id              String      @id @db.VarChar(128)
    name            String      @db.VarChar(100)
    icon            String      @db.VarChar(1024)
    iconAssetId     String?     @map("icon_asset_id") @db.VarChar(128)
    color           String      @db.VarChar(32)
    sortOrder       Int         @default(0) @map("sort_order")
    parentId        String?     @map("parent_id") @db.VarChar(128)
    createdAt       DateTime    @default(now()) @map("created_at") @db.Timestamptz(3)
    updatedAt       DateTime    @default(now()) @map("updated_at") @db.Timestamptz(3)
    assets          Asset?      @relation(fields: [iconAssetId], references: [id], onDelete: Restrict, onUpdate: Restrict)
    categories      Category?   @relation("categoriesTocategories", fields: [parentId], references: [id], onDelete: Restrict, onUpdate: Restrict)
    otherCategories Category[]  @relation("categoriesTocategories")
    worksheets      Worksheet[]

    @@index([parentId, sortOrder, id], map: "categories_parent_sort_idx")
    @@index([status, parentId, sortOrder, id], map: "categories_status_parent_sort_idx")
    @@map("categories")
}

/// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
/// This model or at least one of its fields has comments in the database, and requires an additional setup for migrations: Read more: https://pris.ly/d/database-comments
model DownloadLog {
    id                  String   @id @db.VarChar(128)
    userId              String   @map("user_id") @db.VarChar(128)
    worksheetId         String   @map("worksheet_id") @db.VarChar(128)
    exportId            String?  @map("export_id") @db.VarChar(128)
    source              String   @default("mini") @db.VarChar(16)
    params              Json?
    createdAt           DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
    worksheetResourceId String?  @map("worksheet_resource_id") @db.VarChar(128)
    users               User     @relation(fields: [userId], references: [id], onUpdate: Restrict)

    @@unique([userId, exportId], map: "download_logs_user_export_key")
    @@index([userId, createdAt(sort: Desc), id(sort: Desc)], map: "download_logs_user_created_at_idx")
    @@index([worksheetId, createdAt(sort: Desc), id(sort: Desc)], map: "download_logs_worksheet_created_at_idx")
    @@map("download_logs")
}

/// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
/// This model or at least one of its fields has comments in the database, and requires an additional setup for migrations: Read more: https://pris.ly/d/database-comments
model Favorite {
    id                  String   @id @db.VarChar(128)
    userId              String   @map("user_id") @db.VarChar(128)
    worksheetId         String   @map("worksheet_id") @db.VarChar(128)
    createdAt           DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
    worksheetResourceId String?  @map("worksheet_resource_id") @db.VarChar(128)
    users               User     @relation(fields: [userId], references: [id], onUpdate: Restrict)

    @@unique([userId, worksheetResourceId], map: "favorites_user_resource_key", where: raw("(worksheet_resource_id IS NOT NULL)"))
    @@unique([userId, worksheetId], map: "favorites_user_worksheet_key", where: raw("(worksheet_resource_id IS NULL)"))
    @@index([userId, createdAt(sort: Desc), id(sort: Desc)], map: "favorites_user_created_at_idx")
    @@map("favorites")
}

/// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
/// This model or at least one of its fields has comments in the database, and requires an additional setup for migrations: Read more: https://pris.ly/d/database-comments
model JobRun {
    id           String    @id @db.VarChar(128)
    jobName      String    @map("job_name") @db.VarChar(64)
    runKey       String    @map("run_key") @db.VarChar(128)
    triggerType  String    @map("trigger_type") @db.VarChar(16)
    status       String    @default("pending") @db.VarChar(16)
    scheduledAt  DateTime? @map("scheduled_at") @db.Timestamptz(3)
    startedAt    DateTime? @map("started_at") @db.Timestamptz(3)
    finishedAt   DateTime? @map("finished_at") @db.Timestamptz(3)
    attempt      Int       @default(0)
    lockToken    String?   @map("lock_token") @db.VarChar(128)
    lockedUntil  DateTime? @map("locked_until") @db.Timestamptz(3)
    result       Json?
    errorMessage String?   @map("error_message")
    createdAt    DateTime  @default(now()) @map("created_at") @db.Timestamptz(3)
    updatedAt    DateTime  @default(now()) @map("updated_at") @db.Timestamptz(3)

    @@unique([jobName, runKey], map: "job_runs_job_run_key")
    @@index([jobName, createdAt(sort: Desc)], map: "job_runs_job_created_at_idx")
    @@index([status, lockedUntil])
    @@map("job_runs")
}

/// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
/// This model or at least one of its fields has comments in the database, and requires an additional setup for migrations: Read more: https://pris.ly/d/database-comments
model PageConfig {
    id               String    @id @db.VarChar(128)
    home             Json?
    category         Json?
    age              Json?
    version          BigInt    @default(0)
    updatedAt        DateTime  @default(now()) @map("updated_at") @db.Timestamptz(3)
    publishedVersion BigInt?   @map("published_version")
    publishedAt      DateTime? @map("published_at") @db.Timestamptz(3)

    @@map("page_configs")
}

/// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
/// This model or at least one of its fields has comments in the database, and requires an additional setup for migrations: Read more: https://pris.ly/d/database-comments
model Setting {
    id        String   @id @db.VarChar(128)
    value     Json
    version   BigInt   @default(0)
    updatedAt DateTime @default(now()) @map("updated_at") @db.Timestamptz(3)

    @@map("settings")
}

/// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
/// This model or at least one of its fields has comments in the database, and requires an additional setup for migrations: Read more: https://pris.ly/d/database-comments
model User {
    id                               String        @id @db.VarChar(128)
    openid                           String        @unique @db.VarChar(128)
    unionid                          String?       @db.VarChar(128)
    nickName                         String?       @map("nick_name") @db.VarChar(100)
    avatarAssetId                    String?       @map("avatar_asset_id") @db.VarChar(128)
    totalDownloads                   BigInt        @default(0) @map("total_downloads")
    role                             String        @default("user") @db.VarChar(16)
    status                           String        @default("active") @db.VarChar(16)
    authVersion                      Int           @default(1) @map("auth_version")
    createdAt                        DateTime      @default(now()) @map("created_at") @db.Timestamptz(3)
    lastActiveAt                     DateTime      @default(now()) @map("last_active_at") @db.Timestamptz(3)
    updatedAt                        DateTime      @default(now()) @map("updated_at") @db.Timestamptz(3)
    assetsAssetsOwnerUserIdTousers   Asset[]       @relation("assets_owner_user_idTousers")
    downloadLogs                     DownloadLog[]
    favorites                        Favorite[]
    assetsUsersAvatarAssetIdToassets Asset?        @relation("users_avatar_asset_idToassets", fields: [avatarAssetId], references: [id], onDelete: Restrict, onUpdate: Restrict)

    @@index([unionid])
    @@map("users")
}

/// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
/// This model or at least one of its fields has comments in the database, and requires an additional setup for migrations: Read more: https://pris.ly/d/database-comments
model WorksheetGrade {
    worksheetId String    @map("worksheet_id") @db.VarChar(128)
    grade       Int       @db.SmallInt
    worksheets  Worksheet @relation(fields: [worksheetId], references: [id], onUpdate: Restrict)

    @@id([worksheetId, grade])
    @@index([grade, worksheetId], map: "worksheet_grades_grade_worksheet_idx")
    @@map("worksheet_grades")
}

/// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
/// This model or at least one of its fields has comments in the database, and requires an additional setup for migrations: Read more: https://pris.ly/d/database-comments
model WorksheetResourceAsset {
    id                  String            @id @db.VarChar(128)
    worksheetResourceId String            @map("worksheet_resource_id") @db.VarChar(128)
    assetId             String            @map("asset_id") @db.VarChar(128)
    role                String            @db.VarChar(16)
    sortOrder           Int               @default(0) @map("sort_order")
    assets              Asset             @relation(fields: [assetId], references: [id], onUpdate: Restrict)
    worksheetResources  WorksheetResource @relation(fields: [worksheetResourceId], references: [id], onUpdate: Restrict, map: "worksheet_resource_assets_resource_id_fkey")

    @@unique([worksheetResourceId, role, assetId], map: "worksheet_resource_assets_resource_role_asset_key")
    @@index([assetId], map: "worksheet_resource_assets_asset_idx")
    @@index([worksheetResourceId, role, sortOrder, id], map: "worksheet_resource_assets_resource_role_sort_idx")
    @@map("worksheet_resource_assets")
}

/// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
/// This model or at least one of its fields has comments in the database, and requires an additional setup for migrations: Read more: https://pris.ly/d/database-comments
model WorksheetResource {
    id                      String                   @id @db.VarChar(128)
    worksheetId             String                   @map("worksheet_id") @db.VarChar(128)
    title                   String                   @db.VarChar(100)
    previewAssetId          String                   @map("preview_asset_id") @db.VarChar(128)
    configOverride          Json?                    @map("config_override")
    status                  String                   @default("draft") @db.VarChar(16)
    sortOrder               Int                      @default(0) @map("sort_order")
    createdAt               DateTime                 @default(now()) @map("created_at") @db.Timestamptz(3)
    updatedAt               DateTime                 @default(now()) @map("updated_at") @db.Timestamptz(3)
    firstPublishedAt        DateTime?                @map("first_published_at") @db.Timestamptz(3)
    downloads               BigInt                   @default(0)
    worksheetResourceAssets WorksheetResourceAsset[]
    assets                  Asset                    @relation(fields: [previewAssetId], references: [id], onUpdate: Restrict)
    worksheets              Worksheet                @relation(fields: [worksheetId], references: [id], onUpdate: Restrict)

    @@index([previewAssetId], map: "worksheet_resources_preview_asset_idx")
    @@index([worksheetId, status, sortOrder, id], map: "worksheet_resources_worksheet_status_sort_idx")
    @@map("worksheet_resources")
}

/// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
/// This model or at least one of its fields has comments in the database, and requires an additional setup for migrations: Read more: https://pris.ly/d/database-comments
model Worksheet {
    id                 String              @id @db.VarChar(128)
    title              String              @db.VarChar(100)
    subtitle           String              @db.VarChar(500)
    categoryId         String              @map("category_id") @db.VarChar(128)
    subcategory        String?             @db.VarChar(100)
    path               String              @db.VarChar(1024)
    ageMin             Int                 @map("age_min") @db.SmallInt
    ageMax             Int                 @map("age_max") @db.SmallInt
    grade              Int                 @default(0) @db.SmallInt
    difficulty         Int                 @db.SmallInt
    previewAssetId     String              @map("preview_asset_id") @db.VarChar(128)
    tags               Json                @default("[]")
    isNew              Boolean             @default(false) @map("is_new")
    isHot              Boolean             @default(false) @map("is_hot")
    sortOrder          Int                 @default(0) @map("sort_order")
    downloads          BigInt              @default(0)
    likes              BigInt              @default(0)
    downloadsSeed      BigInt              @default(0) @map("downloads_seed")
    likesSeed          BigInt              @default(0) @map("likes_seed")
    status             String              @default("draft") @db.VarChar(16)
    createdAt          DateTime            @default(now()) @map("created_at") @db.Timestamptz(3)
    contentUpdatedAt   DateTime?           @map("content_updated_at") @db.Timestamptz(3)
    updatedAt          DateTime            @default(now()) @map("updated_at") @db.Timestamptz(3)
    generationMode     String              @default("procedural") @map("generation_mode") @db.VarChar(16)
    rendererKey        String?             @map("renderer_key") @db.VarChar(64)
    renderConfig       Json                @default("{}") @map("render_config")
    firstPublishedAt   DateTime?           @map("first_published_at") @db.Timestamptz(3)
    worksheetGrades    WorksheetGrade[]
    worksheetResources WorksheetResource[]
    categories         Category            @relation(fields: [categoryId], references: [id], onUpdate: Restrict)
    assets             Asset               @relation(fields: [previewAssetId], references: [id], onUpdate: Restrict)

    @@index([categoryId, status, sortOrder, updatedAt(sort: Desc), id], map: "worksheets_category_status_sort_idx")
    @@index([status, ageMin, ageMax], map: "worksheets_status_age_idx")
    @@index([status, sortOrder, updatedAt(sort: Desc), id], map: "worksheets_status_sort_idx")
    @@map("worksheets")
}