// 杜康好客 · V2.1 数据模型
// 约束说明见 doc/数据库设计2-杜康好客.md

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

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

// ─── 枚举 ─────────────────────────────────────────────

enum ClientApp {
  USER_MINI
  USER_H5
  PARTNER_MINI
  PARTNER_H5
  HQ_MINI
  SHOP_H5
}

enum AccountStatus {
  ACTIVE
  DISABLED
}

enum HqAdminRole {
  SUPER_ADMIN
  OPS
  FINANCE
  CUSTOMER_SERVICE
}

enum PartnerStaffRole {
  PARTNER
  INTERNAL
  PROMOTER
}

enum CityStatus {
  PENDING
  ACTIVE
  PAUSED
}

enum AromaType {
  QINGXIANG
  JIANGXIANG
  NONGXIANG
}

enum ProductStatus {
  DRAFT
  ON_SALE
  OFF_SALE
}

enum StoreStatus {
  OPEN
  PAUSED
  CLOSED
}

enum StoreAuditType {
  NEW
  UPDATE
}

enum StoreAuditStatus {
  PENDING
  APPROVED
  REJECTED
}

enum DeliveryType {
  LOCAL
  CROSS_CITY
}

enum OrderType {
  NORMAL
  RESHIPMENT
}

enum OrderStatus {
  PENDING_PAY
  PENDING_SHIP
  OUT_WAREHOUSE
  SHIPPING
  PENDING_RECEIVE
  COMPLETED
  CANCELLED
  REFUNDING
  REFUNDED
}

enum PaymentStatus {
  PENDING
  SUCCESS
  FAILED
  CLOSED
}

enum RefundStatus {
  PENDING
  APPROVED
  REJECTED
  PROCESSING
  SUCCESS
  FAILED
}

enum InterceptStatus {
  PENDING
  INTERCEPTING
  SUCCESS
  FAILED
  REDELIVERING
  COMPLETED
}

enum BenefitCouponStatus {
  ACTIVE
  USED_UP
  VOID
}

enum BenefitLedgerType {
  GRANT
  REDEEM
  REFUND_VOID
  ADJUST
}

enum RedeemTokenStatus {
  ACTIVE
  USED
  EXPIRED
  CANCELLED
}

enum StorePayoutStatus {
  PENDING
  PAID
}

enum PartnerBillStatus {
  DRAFT
  PENDING_CONFIRM
  CONFIRMED
  PAID
  REJECTED
}

enum WithdrawalStatus {
  PENDING
  APPROVED
  REJECTED
  PAID
}

enum PromoCodeStatus {
  ACTIVE
  DISABLED
}

enum AlertType {
  ORDER_TIMEOUT
  DELIVERY_DELAY
  OTHER
}

enum AlertStatus {
  OPEN
  RESOLVED
}

enum AfterSaleType {
  REFUND
  RESHIPMENT
}

enum AfterSaleStatus {
  PENDING
  PROCESSING
  COMPLETED
  REJECTED
}

// ─── 微信应用配置 ─────────────────────────────────────

model WxAppConfig {
  id        BigInt    @id @default(autoincrement()) @db.UnsignedBigInt
  clientApp ClientApp @unique @map("client_app")
  appId     String    @map("app_id") @db.VarChar(64)
  appSecret String    @map("app_secret") @db.VarChar(128)
  mchId     String?   @map("mch_id") @db.VarChar(32)
  createdAt DateTime  @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt DateTime  @updatedAt @map("updated_at") @db.DateTime(3)

  @@map("wx_app_configs")
}

// ─── C端用户（phone 唯一主键，微信字段辅助）──────────

model User {
  id        BigInt   @id @default(autoincrement()) @db.UnsignedBigInt
  userNo    String   @unique @map("user_no") @db.VarChar(20)
  phone     String   @unique @db.VarChar(20)
  wxOpenId  String?  @map("wx_open_id") @db.VarChar(64)
  wxUnionId String?  @map("wx_union_id") @db.VarChar(64)
  nickname  String?  @db.VarChar(64)
  avatarUrl String?  @map("avatar_url") @db.VarChar(512)
  status    Int      @default(1) @db.TinyInt
  createdAt DateTime @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt DateTime @updatedAt @map("updated_at") @db.DateTime(3)

  addresses      UserAddress[]
  cityPref       UserCityPreference?
  orders         Order[]
  benefitCoupons BenefitCoupon[]
  benefitLedgers BenefitLedger[]
  redeemRecords  RedeemRecord[]
  promoTouch     UserPromoAttribution?
  eventLogs      EventLog[]

  @@index([wxOpenId])
  @@index([wxUnionId])
  @@map("users")
}

model UserAddress {
  id           BigInt   @id @default(autoincrement()) @db.UnsignedBigInt
  userId       BigInt   @map("user_id") @db.UnsignedBigInt
  receiverName String   @map("receiver_name") @db.VarChar(32)
  phone        String   @db.VarChar(20)
  province     String   @db.VarChar(32)
  city         String   @db.VarChar(32)
  district     String   @db.VarChar(32)
  detail       String   @db.VarChar(256)
  latitude     Decimal? @db.Decimal(10, 7)
  longitude    Decimal? @db.Decimal(10, 7)
  isDefault    Int      @default(0) @map("is_default") @db.TinyInt
  createdAt    DateTime @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt    DateTime @updatedAt @map("updated_at") @db.DateTime(3)

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
  @@map("user_addresses")
}

model UserCityPreference {
  id               BigInt   @id @default(autoincrement()) @db.UnsignedBigInt
  userId           BigInt   @unique @map("user_id") @db.UnsignedBigInt
  selectedCityCode String?  @map("selected_city_code") @db.VarChar(16)
  selectedDistrict String?  @map("selected_district") @db.VarChar(32)
  locateCityCode   String?  @map("locate_city_code") @db.VarChar(16)
  locateDistrict   String?  @map("locate_district") @db.VarChar(32)
  updatedAt        DateTime @updatedAt @map("updated_at") @db.DateTime(3)

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@map("user_city_preferences")
}

// ─── B端账号（三表分离）──────────────────────────────

model StoreAccount {
  id          BigInt        @id @default(autoincrement()) @db.UnsignedBigInt
  storeId     BigInt        @unique @map("store_id") @db.UnsignedBigInt
  phone       String        @unique @db.VarChar(20)
  name        String        @db.VarChar(64)
  wxOpenId    String?       @map("wx_open_id") @db.VarChar(64)
  wxUnionId   String?       @map("wx_union_id") @db.VarChar(64)
  status      AccountStatus @default(ACTIVE)
  lastLoginAt DateTime?     @map("last_login_at") @db.DateTime(3)
  createdAt   DateTime      @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt   DateTime      @updatedAt @map("updated_at") @db.DateTime(3)

  store Store @relation(fields: [storeId], references: [id], onDelete: Cascade)

  @@index([wxOpenId])
  @@map("store_accounts")
}

model PartnerAccount {
  id              BigInt            @id @default(autoincrement()) @db.UnsignedBigInt
  partnerId       BigInt            @map("partner_id") @db.UnsignedBigInt
  phone           String            @unique @db.VarChar(20)
  name            String            @db.VarChar(64)
  wxOpenId        String?           @map("wx_open_id") @db.VarChar(64)
  wxUnionId       String?           @map("wx_union_id") @db.VarChar(64)
  isPrimary       Int               @default(0) @map("is_primary") @db.TinyInt
  parentAccountId BigInt?           @map("parent_account_id") @db.UnsignedBigInt
  staffRole       PartnerStaffRole? @map("staff_role")
  status          AccountStatus     @default(ACTIVE)
  lastLoginAt     DateTime?         @map("last_login_at") @db.DateTime(3)
  createdAt       DateTime          @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt       DateTime          @updatedAt @map("updated_at") @db.DateTime(3)

  partner  Partner          @relation(fields: [partnerId], references: [id], onDelete: Restrict)
  parent   PartnerAccount?  @relation("PartnerAccountHierarchy", fields: [parentAccountId], references: [id], onDelete: SetNull)
  children PartnerAccount[] @relation("PartnerAccountHierarchy")

  @@index([partnerId])
  @@index([parentAccountId])
  @@index([wxOpenId])
  @@map("partner_accounts")
}

model HqAccount {
  id          BigInt        @id @default(autoincrement()) @db.UnsignedBigInt
  phone       String        @unique @db.VarChar(20)
  name        String        @db.VarChar(64)
  adminRole   HqAdminRole   @default(OPS) @map("admin_role")
  wxOpenId    String?       @map("wx_open_id") @db.VarChar(64)
  wxUnionId   String?       @map("wx_union_id") @db.VarChar(64)
  status      AccountStatus @default(ACTIVE)
  lastLoginAt DateTime?     @map("last_login_at") @db.DateTime(3)
  createdAt   DateTime      @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt   DateTime      @updatedAt @map("updated_at") @db.DateTime(3)

  storeAudits   StoreAudit[]
  operationLogs OperationLog[]
  afterSales    AfterSaleTicket[]
  refunds       Refund[]

  @@index([wxOpenId])
  @@index([adminRole])
  @@map("hq_accounts")
}

// ─── 开城与合伙人 ─────────────────────────────────────

model Partner {
  id              BigInt   @id @default(autoincrement()) @db.UnsignedBigInt
  companyName     String   @map("company_name") @db.VarChar(128)
  address         String   @db.VarChar(256)
  contactPhone    String   @map("contact_phone") @db.VarChar(20)
  bankAccountName String?  @map("bank_account_name") @db.VarChar(64)
  bankAccountNo   String?  @map("bank_account_no") @db.VarChar(32)
  bankBranch      String?  @map("bank_branch") @db.VarChar(128)
  createdAt       DateTime @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt       DateTime @updatedAt @map("updated_at") @db.DateTime(3)

  cities           City[]
  accounts         PartnerAccount[]
  stores           Store[]
  bills            PartnerBill[]
  withdrawals      PartnerWithdrawal[]
  contracts        PartnerContract[]
  orderCommissions OrderCommission[]

  @@index([contactPhone])
  @@map("partners")
}

model City {
  id          BigInt     @id @default(autoincrement()) @db.UnsignedBigInt
  code        String     @unique @db.VarChar(16)
  name        String     @db.VarChar(64)
  province    String     @db.VarChar(32)
  status      CityStatus @default(PENDING)
  partnerId   BigInt?    @map("partner_id") @db.UnsignedBigInt
  localMinQty Int        @default(2) @map("local_min_qty")
  crossMinQty Int        @default(6) @map("cross_min_qty")
  createdAt   DateTime   @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt   DateTime   @updatedAt @map("updated_at") @db.DateTime(3)

  partner        Partner?            @relation(fields: [partnerId], references: [id], onDelete: SetNull)
  commissionRule CityCommissionRule?
  stores         Store[]
  orders         Order[]

  @@index([partnerId])
  @@index([status])
  @@map("cities")
}

model CityCommissionRule {
  id                   BigInt  @id @default(autoincrement()) @db.UnsignedBigInt
  cityId               BigInt  @unique @map("city_id") @db.UnsignedBigInt
  orderCommissionRate  Decimal @map("order_commission_rate") @db.Decimal(5, 4)
  redeemCommissionRate Decimal @map("redeem_commission_rate") @db.Decimal(5, 4)
  partnerProfitRate    Decimal @default(0.35) @map("partner_profit_rate") @db.Decimal(5, 4)
  storeSettlementRate  Decimal @default(0.60) @map("store_settlement_rate") @db.Decimal(5, 4)
  updatedAt            DateTime @updatedAt @map("updated_at") @db.DateTime(3)

  city City @relation(fields: [cityId], references: [id], onDelete: Cascade)

  @@map("city_commission_rules")
}

model PartnerContract {
  id         BigInt    @id @default(autoincrement()) @db.UnsignedBigInt
  partnerId  BigInt    @map("partner_id") @db.UnsignedBigInt
  contractNo String    @map("contract_no") @db.VarChar(64)
  fileUrl    String    @map("file_url") @db.VarChar(512)
  signedAt   DateTime  @map("signed_at") @db.DateTime(3)
  expireAt   DateTime? @map("expire_at") @db.DateTime(3)
  status     String    @default("ACTIVE") @db.VarChar(16)
  createdAt  DateTime  @default(now()) @map("created_at") @db.DateTime(3)

  partner Partner @relation(fields: [partnerId], references: [id], onDelete: Restrict)

  @@index([partnerId])
  @@map("partner_contracts")
}

// ─── 商品 ─────────────────────────────────────────────

model Product {
  id            BigInt        @id @default(autoincrement()) @db.UnsignedBigInt
  skuCode       String        @unique @map("sku_code") @db.VarChar(32)
  name          String        @db.VarChar(128)
  subtitle      String?       @db.VarChar(256)
  aromaType     AromaType     @map("aroma_type")
  spec          String        @db.VarChar(128)
  price         Decimal       @db.Decimal(10, 2)
  benefitAmount Decimal?      @map("benefit_amount") @db.Decimal(10, 2)
  status        ProductStatus @default(DRAFT)
  sortOrder     Int           @default(0) @map("sort_order")
  mainImageUrl  String        @map("main_image_url") @db.VarChar(512)
  detailContent Json?         @map("detail_content")
  carouselUrls  Json?         @map("carousel_urls")
  createdAt     DateTime      @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt     DateTime      @updatedAt @map("updated_at") @db.DateTime(3)

  orderItems OrderItem[]

  @@index([status, aromaType])
  @@map("products")
}

// ─── 门店 ─────────────────────────────────────────────

model StoreCategory {
  id   BigInt @id @default(autoincrement()) @db.UnsignedBigInt
  code String @unique @db.VarChar(32)
  name String @db.VarChar(64)
  sort Int    @default(0)

  stores Store[]

  @@map("store_categories")
}

model Store {
  id              BigInt      @id @default(autoincrement()) @db.UnsignedBigInt
  cityId          BigInt      @map("city_id") @db.UnsignedBigInt
  partnerId       BigInt      @map("partner_id") @db.UnsignedBigInt
  categoryId      BigInt?     @map("category_id") @db.UnsignedBigInt
  name            String      @db.VarChar(128)
  phone           String      @db.VarChar(20)
  province        String      @db.VarChar(32)
  cityName        String      @map("city") @db.VarChar(32)
  district        String      @db.VarChar(32)
  address         String      @db.VarChar(256)
  latitude        Decimal?    @db.Decimal(10, 7)
  longitude       Decimal?    @db.Decimal(10, 7)
  intro           String?     @db.Text
  coverUrl        String?     @map("cover_url") @db.VarChar(512)
  avgPrice        Decimal?    @map("avg_price") @db.Decimal(10, 2)
  rating          Decimal?    @db.Decimal(3, 2)
  tags            Json?
  status          StoreStatus @default(PAUSED)
  openTime        String?     @map("open_time") @db.VarChar(8)
  closeTime       String?     @map("close_time") @db.VarChar(8)
  bankAccountName String?     @map("bank_account_name") @db.VarChar(64)
  bankAccountNo   String?     @map("bank_account_no") @db.VarChar(32)
  bankBranch      String?     @map("bank_branch") @db.VarChar(128)
  createdAt       DateTime    @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt       DateTime    @updatedAt @map("updated_at") @db.DateTime(3)

  cityRef       City           @relation(fields: [cityId], references: [id], onDelete: Restrict)
  partner       Partner        @relation(fields: [partnerId], references: [id], onDelete: Restrict)
  category      StoreCategory? @relation(fields: [categoryId], references: [id], onDelete: SetNull)
  account       StoreAccount?
  media         StoreMedia[]
  audits        StoreAudit[]
  redeemRecords RedeemRecord[]
  storePayouts  StorePayout[]
  ratings       StoreRating[]

  @@index([cityId, status])
  @@index([partnerId])
  @@map("stores")
}

model StoreMedia {
  id        BigInt   @id @default(autoincrement()) @db.UnsignedBigInt
  storeId   BigInt   @map("store_id") @db.UnsignedBigInt
  mediaType String   @map("media_type") @db.VarChar(16)
  url       String   @db.VarChar(512)
  sortOrder Int      @default(0) @map("sort_order")
  createdAt DateTime @default(now()) @map("created_at") @db.DateTime(3)

  store Store @relation(fields: [storeId], references: [id], onDelete: Cascade)

  @@index([storeId])
  @@map("store_media")
}

model StoreAudit {
  id           BigInt           @id @default(autoincrement()) @db.UnsignedBigInt
  storeId      BigInt           @map("store_id") @db.UnsignedBigInt
  auditType    StoreAuditType   @map("audit_type")
  status       StoreAuditStatus @default(PENDING)
  submitData   Json?            @map("submit_data")
  rejectReason String?          @map("reject_reason") @db.VarChar(512)
  reviewerId   BigInt?          @map("reviewer_id") @db.UnsignedBigInt
  submittedAt  DateTime         @default(now()) @map("submitted_at") @db.DateTime(3)
  reviewedAt   DateTime?        @map("reviewed_at") @db.DateTime(3)

  store    Store      @relation(fields: [storeId], references: [id], onDelete: Cascade)
  reviewer HqAccount? @relation(fields: [reviewerId], references: [id], onDelete: SetNull)

  @@index([storeId, status])
  @@index([reviewerId])
  @@map("store_audits")
}

// ─── 推广码 ───────────────────────────────────────────

model PromoCode {
  id          BigInt          @id @default(autoincrement()) @db.UnsignedBigInt
  code        String          @unique @db.VarChar(32)
  name        String          @db.VarChar(128)
  status      PromoCodeStatus @default(ACTIVE)
  wxQrcodeUrl String?         @map("wx_qrcode_url") @db.VarChar(512)
  scanCount   Int             @default(0) @map("scan_count")
  orderCount  Int             @default(0) @map("order_count")
  createdAt   DateTime        @default(now()) @map("created_at") @db.DateTime(3)

  orders       Order[]
  attributions UserPromoAttribution[]

  @@map("promo_codes")
}

model UserPromoAttribution {
  id           BigInt   @id @default(autoincrement()) @db.UnsignedBigInt
  userId       BigInt   @unique @map("user_id") @db.UnsignedBigInt
  promoCodeId  BigInt   @map("promo_code_id") @db.UnsignedBigInt
  channelName  String   @map("channel_name") @db.VarChar(128)
  firstTouchAt DateTime @map("first_touch_at") @db.DateTime(3)

  user      User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  promoCode PromoCode @relation(fields: [promoCodeId], references: [id], onDelete: Restrict)

  @@index([promoCodeId])
  @@map("user_promo_attributions")
}

// ─── 订单与支付 ─────────────────────────────────────

model Order {
  id               BigInt       @id @default(autoincrement()) @db.UnsignedBigInt
  orderNo          String       @unique @map("order_no") @db.VarChar(32)
  orderType        OrderType    @default(NORMAL) @map("order_type")
  userId           BigInt       @map("user_id") @db.UnsignedBigInt
  cityId           BigInt       @map("city_id") @db.UnsignedBigInt
  status           OrderStatus  @default(PENDING_PAY)
  deliveryType     DeliveryType @map("delivery_type")
  originOrderId    BigInt?      @map("origin_order_id") @db.UnsignedBigInt
  promoCodeId      BigInt?      @map("promo_code_id") @db.UnsignedBigInt
  channelSource    String?      @map("channel_source") @db.VarChar(128)
  receiverName     String       @map("receiver_name") @db.VarChar(32)
  receiverPhone    String       @map("receiver_phone") @db.VarChar(20)
  receiverAddress  String       @map("receiver_address") @db.Text
  receiverProvince String       @map("receiver_province") @db.VarChar(32)
  receiverCity     String       @map("receiver_city") @db.VarChar(32)
  receiverDistrict String       @map("receiver_district") @db.VarChar(32)
  clientIp         String?      @map("client_ip") @db.VarChar(45)
  ipProvince       String?      @map("ip_province") @db.VarChar(32)
  ipCity           String?      @map("ip_city") @db.VarChar(32)
  ipDistrict       String?      @map("ip_district") @db.VarChar(32)
  gpsProvince      String?      @map("gps_province") @db.VarChar(32)
  gpsCity          String?      @map("gps_city") @db.VarChar(32)
  gpsDistrict      String?      @map("gps_district") @db.VarChar(32)
  gpsLatitude      Decimal?     @map("gps_latitude") @db.Decimal(10, 7)
  gpsLongitude     Decimal?     @map("gps_longitude") @db.Decimal(10, 7)
  gpsAddress       String?      @map("gps_address") @db.VarChar(256)
  productAmount    Decimal      @map("product_amount") @db.Decimal(10, 2)
  freightAmount    Decimal      @default(0) @map("freight_amount") @db.Decimal(10, 2)
  freightPayType   String?      @map("freight_pay_type") @db.VarChar(8)
  payAmount        Decimal      @map("pay_amount") @db.Decimal(10, 2)
  benefitAmount    Decimal      @default(0) @map("benefit_amount") @db.Decimal(10, 2)
  paidAt           DateTime?    @map("paid_at") @db.DateTime(3)
  shippedAt        DateTime?    @map("shipped_at") @db.DateTime(3)
  completedAt      DateTime?    @map("completed_at") @db.DateTime(3)
  cancelledAt      DateTime?    @map("cancelled_at") @db.DateTime(3)
  payExpireAt      DateTime?    @map("pay_expire_at") @db.DateTime(3)
  remark           String?      @db.VarChar(512)
  createdAt        DateTime     @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt        DateTime     @updatedAt @map("updated_at") @db.DateTime(3)

  user           User                @relation(fields: [userId], references: [id], onDelete: Restrict)
  city           City                @relation(fields: [cityId], references: [id], onDelete: Restrict)
  originOrder    Order?              @relation("ReshipmentOrder", fields: [originOrderId], references: [id], onDelete: SetNull)
  reshipments    Order[]             @relation("ReshipmentOrder")
  promoCode      PromoCode?          @relation(fields: [promoCodeId], references: [id], onDelete: SetNull)
  items          OrderItem[]
  statusLogs     OrderStatusLog[]
  delivery       OrderDelivery?
  payment        Payment?
  refunds        Refund[]
  benefitCoupons BenefitCoupon[]
  intercepts     DeliveryIntercept[]
  afterSales     AfterSaleTicket[]
  commissions    OrderCommission[]

  @@index([userId, status])
  @@index([cityId, createdAt])
  @@index([receiverPhone])
  @@index([originOrderId])
  @@index([ipCity])
  @@index([gpsCity])
  @@map("orders")
}

model OrderItem {
  id           BigInt  @id @default(autoincrement()) @db.UnsignedBigInt
  orderId      BigInt  @map("order_id") @db.UnsignedBigInt
  productId    BigInt  @map("product_id") @db.UnsignedBigInt
  productName  String  @map("product_name") @db.VarChar(128)
  productSpec  String  @map("product_spec") @db.VarChar(128)
  productImage String  @map("product_image") @db.VarChar(512)
  unitPrice    Decimal @map("unit_price") @db.Decimal(10, 2)
  quantity     Int
  subtotal     Decimal @db.Decimal(10, 2)

  order   Order   @relation(fields: [orderId], references: [id], onDelete: Cascade)
  product Product @relation(fields: [productId], references: [id], onDelete: Restrict)

  @@index([orderId])
  @@map("order_items")
}

model OrderStatusLog {
  id         BigInt       @id @default(autoincrement()) @db.UnsignedBigInt
  orderId    BigInt       @map("order_id") @db.UnsignedBigInt
  fromStatus String?      @map("from_status") @db.VarChar(32)
  toStatus   String       @map("to_status") @db.VarChar(32)
  operator   String?      @db.VarChar(64)
  remark     String?      @db.VarChar(256)
  createdAt  DateTime     @default(now()) @map("created_at") @db.DateTime(3)

  order Order @relation(fields: [orderId], references: [id], onDelete: Cascade)

  @@index([orderId])
  @@map("order_status_logs")
}

model OrderDelivery {
  id              BigInt    @id @default(autoincrement()) @db.UnsignedBigInt
  orderId         BigInt    @unique @map("order_id") @db.UnsignedBigInt
  provider        String    @db.VarChar(16)
  providerOrderNo String?   @map("provider_order_no") @db.VarChar(64)
  trackingNo      String?   @map("tracking_no") @db.VarChar(64)
  outWarehouseAt  DateTime? @map("out_warehouse_at") @db.DateTime(3)
  shippingAt      DateTime? @map("shipping_at") @db.DateTime(3)
  deliveredAt     DateTime? @map("delivered_at") @db.DateTime(3)
  rawPayload      Json?     @map("raw_payload")
  updatedAt       DateTime  @updatedAt @map("updated_at") @db.DateTime(3)

  order Order @relation(fields: [orderId], references: [id], onDelete: Cascade)

  @@map("order_deliveries")
}

model Payment {
  id              BigInt        @id @default(autoincrement()) @db.UnsignedBigInt
  orderId         BigInt        @unique @map("order_id") @db.UnsignedBigInt
  paymentNo       String        @unique @map("payment_no") @db.VarChar(32)
  amount          Decimal       @db.Decimal(10, 2)
  status          PaymentStatus @default(PENDING)
  wxTransactionId String?       @unique @map("wx_transaction_id") @db.VarChar(64)
  wxPrepayId      String?       @map("wx_prepay_id") @db.VarChar(64)
  paidAt          DateTime?     @map("paid_at") @db.DateTime(3)
  notifyPayload   Json?         @map("notify_payload")
  createdAt       DateTime      @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt       DateTime      @updatedAt @map("updated_at") @db.DateTime(3)

  order Order @relation(fields: [orderId], references: [id], onDelete: Cascade)

  @@map("payments")
}

model Refund {
  id            BigInt       @id @default(autoincrement()) @db.UnsignedBigInt
  orderId       BigInt       @map("order_id") @db.UnsignedBigInt
  refundNo      String       @unique @map("refund_no") @db.VarChar(32)
  amount        Decimal      @db.Decimal(10, 2)
  reason        String?      @db.VarChar(512)
  status        RefundStatus @default(PENDING)
  wxRefundId    String?      @map("wx_refund_id") @db.VarChar(64)
  benefitAdjust Decimal?     @map("benefit_adjust") @db.Decimal(10, 2)
  operatorId    BigInt?      @map("operator_id") @db.UnsignedBigInt
  approvedAt    DateTime?    @map("approved_at") @db.DateTime(3)
  refundedAt    DateTime?    @map("refunded_at") @db.DateTime(3)
  createdAt     DateTime     @default(now()) @map("created_at") @db.DateTime(3)

  order    Order      @relation(fields: [orderId], references: [id], onDelete: Restrict)
  operator HqAccount? @relation(fields: [operatorId], references: [id], onDelete: SetNull)

  @@index([orderId])
  @@index([operatorId])
  @@map("refunds")
}

model DeliveryIntercept {
  id                BigInt          @id @default(autoincrement()) @db.UnsignedBigInt
  orderId           BigInt          @map("order_id") @db.UnsignedBigInt
  status            InterceptStatus @default(PENDING)
  oldAddress        Json            @map("old_address")
  newAddress        Json            @map("new_address")
  partnerId         BigInt?         @map("partner_id") @db.UnsignedBigInt
  interceptAt       DateTime?       @map("intercept_at") @db.DateTime(3)
  redeliveryOrderId BigInt?         @map("redelivery_order_id") @db.UnsignedBigInt
  remark            String?         @db.VarChar(512)
  createdAt         DateTime        @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt         DateTime        @updatedAt @map("updated_at") @db.DateTime(3)

  order Order @relation(fields: [orderId], references: [id], onDelete: Restrict)

  @@index([orderId, status])
  @@map("delivery_intercepts")
}

// ─── 好客权益 ─────────────────────────────────────────

model BenefitCoupon {
  id            BigInt              @id @default(autoincrement()) @db.UnsignedBigInt
  couponNo      String              @unique @map("coupon_no") @db.VarChar(32)
  userId        BigInt              @map("user_id") @db.UnsignedBigInt
  orderId       BigInt              @map("order_id") @db.UnsignedBigInt
  totalAmount   Decimal             @map("total_amount") @db.Decimal(10, 2)
  usedAmount    Decimal             @default(0) @map("used_amount") @db.Decimal(10, 2)
  balance       Decimal             @db.Decimal(10, 2)
  status        BenefitCouponStatus @default(ACTIVE)
  sourceProduct String              @map("source_product") @db.VarChar(128)
  version       Int                 @default(0)
  createdAt     DateTime            @default(now()) @map("created_at") @db.DateTime(3)
  updatedAt     DateTime            @updatedAt @map("updated_at") @db.DateTime(3)

  user          User            @relation(fields: [userId], references: [id], onDelete: Restrict)
  order         Order           @relation(fields: [orderId], references: [id], onDelete: Restrict)
  ledgers       BenefitLedger[]
  redeemRecords RedeemRecord[]
  redeemTokens  RedeemToken[]

  @@index([userId, status])
  @@index([orderId])
  @@map("benefit_coupons")
}

model BenefitLedger {
  id           BigInt            @id @default(autoincrement()) @db.UnsignedBigInt
  userId       BigInt            @map("user_id") @db.UnsignedBigInt
  couponId     BigInt            @map("coupon_id") @db.UnsignedBigInt
  type         BenefitLedgerType
  amount       Decimal           @db.Decimal(10, 2)
  balanceAfter Decimal           @map("balance_after") @db.Decimal(10, 2)
  refType      String?           @map("ref_type") @db.VarChar(32)
  refId        BigInt?           @map("ref_id") @db.UnsignedBigInt
  remark       String?           @db.VarChar(256)
  createdAt    DateTime          @default(now()) @map("created_at") @db.DateTime(3)

  user   User          @relation(fields: [userId], references: [id], onDelete: Restrict)
  coupon BenefitCoupon @relation(fields: [couponId], references: [id], onDelete: Restrict)

  @@index([userId, createdAt])
  @@index([couponId])
  @@map("benefit_ledgers")
}

// ─── 核销 ─────────────────────────────────────────────

model RedeemToken {
  id        BigInt            @id @default(autoincrement()) @db.UnsignedBigInt
  token     String            @unique @db.VarChar(64)
  userId    BigInt            @map("user_id") @db.UnsignedBigInt
  couponId  BigInt            @map("coupon_id") @db.UnsignedBigInt
  storeId   BigInt?           @map("store_id") @db.UnsignedBigInt
  amount    Decimal           @db.Decimal(10, 2)
  status    RedeemTokenStatus @default(ACTIVE)
  expireAt  DateTime          @map("expire_at") @db.DateTime(3)
  usedAt    DateTime?         @map("used_at") @db.DateTime(3)
  createdAt DateTime          @default(now()) @map("created_at") @db.DateTime(3)

  coupon BenefitCoupon @relation(fields: [couponId], references: [id], onDelete: Restrict)

  @@index([couponId])
  @@map("redeem_tokens")
}

model RedeemRecord {
  id           BigInt   @id @default(autoincrement()) @db.UnsignedBigInt
  redeemNo     String   @unique @map("redeem_no") @db.VarChar(32)
  userId       BigInt   @map("user_id") @db.UnsignedBigInt
  couponId     BigInt   @map("coupon_id") @db.UnsignedBigInt
  storeId      BigInt   @map("store_id") @db.UnsignedBigInt
  amount       Decimal  @db.Decimal(10, 2)
  settleAmount Decimal  @map("settle_amount") @db.Decimal(10, 2)
  tokenId      BigInt?  @map("token_id") @db.UnsignedBigInt
  createdAt    DateTime @default(now()) @map("created_at") @db.DateTime(3)

  user        User              @relation(fields: [userId], references: [id], onDelete: Restrict)
  coupon      BenefitCoupon     @relation(fields: [couponId], references: [id], onDelete: Restrict)
  store       Store             @relation(fields: [storeId], references: [id], onDelete: Restrict)
  payout      StorePayout?
  rating      StoreRating?
  commissions OrderCommission[]

  @@index([storeId, createdAt])
  @@index([userId])
  @@map("redeem_records")
}

model StoreRating {
  id             BigInt   @id @default(autoincrement()) @db.UnsignedBigInt
  redeemRecordId BigInt   @unique @map("redeem_record_id") @db.UnsignedBigInt
  storeId        BigInt   @map("store_id") @db.UnsignedBigInt
  serviceScore   Int      @map("service_score") @db.TinyInt
  envScore       Int      @map("env_score") @db.TinyInt
  createdAt      DateTime @default(now()) @map("created_at") @db.DateTime(3)

  redeemRecord RedeemRecord @relation(fields: [redeemRecordId], references: [id], onDelete: Cascade)
  store        Store        @relation(fields: [storeId], references: [id], onDelete: Restrict)

  @@map("store_ratings")
}

// ─── 结算 ─────────────────────────────────────────────

model StorePayout {
  id             BigInt            @id @default(autoincrement()) @db.UnsignedBigInt
  redeemRecordId BigInt            @unique @map("redeem_record_id") @db.UnsignedBigInt
  storeId        BigInt            @map("store_id") @db.UnsignedBigInt
  redeemAmount   Decimal           @map("redeem_amount") @db.Decimal(10, 2)
  payoutAmount   Decimal           @map("payout_amount") @db.Decimal(10, 2)
  settlementRate Decimal           @map("settlement_rate") @db.Decimal(5, 4)
  status         StorePayoutStatus @default(PENDING)
  expectedPayAt  DateTime          @map("expected_pay_at") @db.DateTime(3)
  paidAt         DateTime?         @map("paid_at") @db.DateTime(3)
  batchNo        String?           @map("batch_no") @db.VarChar(32)
  createdAt      DateTime          @default(now()) @map("created_at") @db.DateTime(3)

  redeemRecord RedeemRecord @relation(fields: [redeemRecordId], references: [id], onDelete: Restrict)
  store        Store        @relation(fields: [storeId], references: [id], onDelete: Restrict)

  @@index([storeId, status])
  @@index([expectedPayAt])
  @@map("store_payouts")
}

model OrderCommission {
  id             BigInt   @id @default(autoincrement()) @db.UnsignedBigInt
  orderId        BigInt?  @map("order_id") @db.UnsignedBigInt
  redeemId       BigInt?  @map("redeem_id") @db.UnsignedBigInt
  partnerId      BigInt   @map("partner_id") @db.UnsignedBigInt
  commissionType String   @map("commission_type") @db.VarChar(16)
  baseAmount     Decimal  @map("base_amount") @db.Decimal(10, 2)
  rate           Decimal  @db.Decimal(5, 4)
  amount         Decimal  @db.Decimal(10, 2)
  billId         BigInt?  @map("bill_id") @db.UnsignedBigInt
  createdAt      DateTime @default(now()) @map("created_at") @db.DateTime(3)

  order   Order?        @relation(fields: [orderId], references: [id], onDelete: SetNull)
  redeem  RedeemRecord? @relation(fields: [redeemId], references: [id], onDelete: SetNull)
  partner Partner       @relation(fields: [partnerId], references: [id], onDelete: Restrict)
  bill    PartnerBill?  @relation(fields: [billId], references: [id], onDelete: SetNull)

  @@index([partnerId])
  @@index([billId])
  @@map("order_commissions")
}

model PartnerBill {
  id               BigInt            @id @default(autoincrement()) @db.UnsignedBigInt
  billNo           String            @unique @map("bill_no") @db.VarChar(32)
  partnerId        BigInt            @map("partner_id") @db.UnsignedBigInt
  periodStart      DateTime          @map("period_start") @db.DateTime(3)
  periodEnd        DateTime          @map("period_end") @db.DateTime(3)
  orderCommission  Decimal           @map("order_commission") @db.Decimal(10, 2)
  redeemCommission Decimal           @map("redeem_commission") @db.Decimal(10, 2)
  totalAmount      Decimal           @map("total_amount") @db.Decimal(10, 2)
  status           PartnerBillStatus @default(DRAFT)
  confirmedAt      DateTime?         @map("confirmed_at") @db.DateTime(3)
  paidAt           DateTime?         @map("paid_at") @db.DateTime(3)
  createdAt        DateTime          @default(now()) @map("created_at") @db.DateTime(3)

  partner     Partner           @relation(fields: [partnerId], references: [id], onDelete: Restrict)
  commissions OrderCommission[]

  @@index([partnerId, status])
  @@map("partner_bills")
}

model PartnerWithdrawal {
  id          BigInt           @id @default(autoincrement()) @db.UnsignedBigInt
  partnerId   BigInt           @map("partner_id") @db.UnsignedBigInt
  amount      Decimal          @db.Decimal(10, 2)
  status      WithdrawalStatus @default(PENDING)
  remark      String?          @db.VarChar(256)
  appliedAt   DateTime         @default(now()) @map("applied_at") @db.DateTime(3)
  processedAt DateTime?        @map("processed_at") @db.DateTime(3)

  partner Partner @relation(fields: [partnerId], references: [id], onDelete: Restrict)

  @@index([partnerId])
  @@map("partner_withdrawals")
}

// ─── 埋点 ─────────────────────────────────────────────

model EventLog {
  id        BigInt     @id @default(autoincrement()) @db.UnsignedBigInt
  userId    BigInt?    @map("user_id") @db.UnsignedBigInt
  eventName String     @map("event_name") @db.VarChar(64)
  params    Json?
  clientApp String?    @map("client_app") @db.VarChar(32)
  createdAt DateTime   @default(now()) @map("created_at") @db.DateTime(3)

  user User? @relation(fields: [userId], references: [id], onDelete: SetNull)

  @@index([eventName, createdAt])
  @@index([userId])
  @@map("event_logs")
}

// ─── 运营与售后 ─────────────────────────────────────

model AfterSaleTicket {
  id                BigInt          @id @default(autoincrement()) @db.UnsignedBigInt
  ticketNo          String          @unique @map("ticket_no") @db.VarChar(32)
  type              AfterSaleType
  status            AfterSaleStatus @default(PENDING)
  orderId           BigInt          @map("order_id") @db.UnsignedBigInt
  reshipmentOrderId BigInt?         @map("reshipment_order_id") @db.UnsignedBigInt
  refundId          BigInt?         @map("refund_id") @db.UnsignedBigInt
  reason            String?         @db.VarChar(512)
  operatorId        BigInt?         @map("operator_id") @db.UnsignedBigInt
  createdAt         DateTime        @default(now()) @map("created_at") @db.DateTime(3)
  completedAt       DateTime?       @map("completed_at") @db.DateTime(3)

  order    Order      @relation(fields: [orderId], references: [id], onDelete: Restrict)
  operator HqAccount? @relation(fields: [operatorId], references: [id], onDelete: SetNull)

  @@index([orderId])
  @@index([status, type])
  @@index([operatorId])
  @@map("after_sale_tickets")
}

model Alert {
  id         BigInt      @id @default(autoincrement()) @db.UnsignedBigInt
  alertType  AlertType   @map("alert_type")
  status     AlertStatus @default(OPEN)
  refType    String      @map("ref_type") @db.VarChar(32)
  refId      BigInt      @map("ref_id") @db.UnsignedBigInt
  title      String      @db.VarChar(128)
  content    String      @db.Text
  resolvedAt DateTime?   @map("resolved_at") @db.DateTime(3)
  createdAt  DateTime    @default(now()) @map("created_at") @db.DateTime(3)

  @@index([status, alertType])
  @@map("alerts")
}

model OperationLog {
  id          BigInt   @id @default(autoincrement()) @db.UnsignedBigInt
  hqAccountId BigInt   @map("hq_account_id") @db.UnsignedBigInt
  action      String   @db.VarChar(64)
  refType     String?  @map("ref_type") @db.VarChar(32)
  refId       BigInt?  @map("ref_id") @db.UnsignedBigInt
  detail      Json?
  createdAt   DateTime @default(now()) @map("created_at") @db.DateTime(3)

  hqAccount HqAccount @relation(fields: [hqAccountId], references: [id], onDelete: Restrict)

  @@index([hqAccountId, createdAt])
  @@map("operation_logs")
}

model SmsLog {
  id        BigInt   @id @default(autoincrement()) @db.UnsignedBigInt
  phone     String   @db.VarChar(20)
  template  String   @db.VarChar(64)
  content   String   @db.Text
  status    String   @db.VarChar(16)
  refType   String?  @map("ref_type") @db.VarChar(32)
  refId     BigInt?  @map("ref_id") @db.UnsignedBigInt
  createdAt DateTime @default(now()) @map("created_at") @db.DateTime(3)

  @@index([phone, createdAt])
  @@map("sms_logs")
}