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

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

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

enum UserRole {
  MEMBER
  ADMIN
}

enum CardTypeCategory {
  TIMES
  DURATION
  TRIAL
}

enum MembershipStatus {
  ACTIVE
  EXPIRED
  USED_UP
}

enum TimeSlotStatus {
  OPEN
  FULL
  CLOSED
}

enum TimeSlotSource {
  TEMPLATE
  MANUAL
}

enum BookingStatus {
  PENDING_CONFIRMATION
  CONFIRMED
  CANCELLED
  COMPLETED
  NO_SHOW
}

enum OrderStatus {
  PENDING
  PAID
  REFUNDED
}

enum InviteReferralStatus {
  REGISTERED
  TRIAL_PURCHASED
  QUALIFIED
}

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

model User {
  id                               String   @id @default(uuid())
  inviteCode                       String?  @unique @map("invite_code") @db.VarChar(6)
  openid                           String   @unique
  unionid                          String?
  phone                            String?
  nickname                         String   @default("")
  avatarUrl                        String?  @map("avatar_url")
  role                             UserRole @default(MEMBER)
  adminBookingSubscriptionCount    Int      @default(0) @map("admin_booking_subscription_count")
  lastLoginAt                      DateTime? @map("last_login_at")
  createdAt                        DateTime @default(now()) @map("created_at")
  updatedAt                        DateTime @updatedAt @map("updated_at")

  bodyMetrics BodyMetric[]
  memberNotes MemberNote[]
  progressPhotos ProgressPhoto[]
  lessonSupplements LessonSupplement[]
  memberships Membership[]
  bookings    Booking[]
  orders      Order[]
  subscriptionMessageConsents SubscriptionMessageConsent[]
  sentInviteReferrals InviteReferral[] @relation("InviteReferralInviter")
  receivedInviteReferral InviteReferral[] @relation("InviteReferralInvitee")
  inviteRewardGrants InviteRewardGrant[] @relation("InviteRewardGrantInviter")

  @@map("users")
}

model SubscriptionMessageConsent {
  id                String   @id @default(uuid())
  userId            String   @map("user_id")
  templateId        String   @map("template_id")
  scene             String
  totalRequestCount Int      @default(0) @map("total_request_count")
  acceptCount       Int      @default(0) @map("accept_count")
  rejectCount       Int      @default(0) @map("reject_count")
  banCount          Int      @default(0) @map("ban_count")
  filterCount       Int      @default(0) @map("filter_count")
  sentCount         Int      @default(0) @map("sent_count")
  lastResult        String   @map("last_result")
  lastRequestedAt   DateTime @default(now()) @map("last_requested_at")
  lastSentAt        DateTime? @map("last_sent_at")
  createdAt         DateTime @default(now()) @map("created_at")
  updatedAt         DateTime @updatedAt @map("updated_at")

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

  @@unique([userId, templateId, scene])
  @@index([userId])
  @@index([scene])
  @@map("subscription_message_consents")
}

model CardType {
  id            String           @id @default(uuid())
  name          String
  type          CardTypeCategory
  totalTimes    Int?             @map("total_times")
  durationDays  Int              @map("duration_days")
  price         Decimal          @db.Decimal(10, 0)
  originalPrice Decimal?         @map("original_price") @db.Decimal(10, 0)
  description   String?
  coverUrl      String?          @map("cover_url")
  isActive      Boolean          @default(true) @map("is_active")
  sortOrder     Int              @default(0) @map("sort_order")
  createdAt     DateTime         @default(now()) @map("created_at")
  updatedAt     DateTime         @updatedAt @map("updated_at")

  memberships Membership[]
  orders      Order[]

  @@map("card_types")
}

model Membership {
  id             String           @id @default(uuid())
  userId         String           @map("user_id")
  cardTypeId     String           @map("card_type_id")
  remainingTimes Int?             @map("remaining_times")
  totalTimes     Int?             @map("total_times")
  startDate      DateTime         @map("start_date")
  expireDate     DateTime         @map("expire_date")
  status         MembershipStatus @default(ACTIVE)
  createdAt      DateTime         @default(now()) @map("created_at")
  updatedAt      DateTime         @updatedAt @map("updated_at")

  lessonSupplements LessonSupplement[]
  user     User      @relation(fields: [userId], references: [id])
  cardType CardType  @relation(fields: [cardTypeId], references: [id])
  bookings Booking[]
  orders   Order[]
  inviteRewardGrants InviteRewardGrant[]

  @@index([userId])
  @@index([userId, cardTypeId])
  @@index([status])
  @@map("memberships")
}

model WeekTemplate {
  id        String   @id @default(uuid())
  dayOfWeek Int      @map("day_of_week")
  startTime String   @map("start_time")
  endTime   String   @map("end_time")
  capacity  Int      @default(1)
  isActive  Boolean  @default(true) @map("is_active")
  createdAt DateTime @default(now()) @map("created_at")
  updatedAt DateTime @updatedAt @map("updated_at")

  timeSlots TimeSlot[]

  @@map("week_templates")
}

model TimeSlot {
  id          String         @id @default(uuid())
  date        DateTime       @db.Date
  startTime   String         @map("start_time")
  endTime     String         @map("end_time")
  capacity    Int            @default(1)
  bookedCount Int            @default(0) @map("booked_count")
  status      TimeSlotStatus @default(OPEN)
  source      TimeSlotSource @default(TEMPLATE)
  templateId  String?        @map("template_id")
  createdAt   DateTime       @default(now()) @map("created_at")
  updatedAt   DateTime       @updatedAt @map("updated_at")

  template WeekTemplate? @relation(fields: [templateId], references: [id])
  bookings Booking[]

  @@unique([date, startTime, endTime])
  @@index([date])
  @@index([status])
  @@map("time_slots")
}

model Booking {
  id                       String        @id @default(uuid())
  userId                   String        @map("user_id")
  timeSlotId               String        @map("time_slot_id")
  membershipId             String        @map("membership_id")
  membershipTimesDeducted  Boolean?      @map("membership_times_deducted")
  status                   BookingStatus @default(PENDING_CONFIRMATION)
  cancelledAt              DateTime?     @map("cancelled_at")
  confirmedAt              DateTime?     @map("confirmed_at")
  completedAt              DateTime?     @map("completed_at")
  operatorId               String?       @map("operator_id")
  createdAt                DateTime      @default(now()) @map("created_at")
  updatedAt                DateTime      @updatedAt @map("updated_at")

  user       User       @relation(fields: [userId], references: [id])
  timeSlot   TimeSlot   @relation(fields: [timeSlotId], references: [id])
  membership Membership @relation(fields: [membershipId], references: [id])
  qualifiedInviteReferrals InviteReferral[]

  review BookingReview?
  memberNotes MemberNote[]
  reviewReminderDueAt DateTime? @map("review_reminder_due_at")
  reviewReminderClaimedAt DateTime? @map("review_reminder_claimed_at")
  reviewReminderSentAt DateTime? @map("review_reminder_sent_at")
  classReminderDueAt DateTime? @map("class_reminder_due_at")
  classReminderClaimedAt DateTime? @map("class_reminder_claimed_at")
  classReminderSentAt DateTime? @map("class_reminder_sent_at")
  statusHistory BookingStatusHistory[]

  @@unique([userId, timeSlotId])
  @@index([userId])
  @@index([status])
  @@map("bookings")
}

model BookingStatusHistory {
  id         String   @id @default(uuid())
  bookingId  String   @map("booking_id")
  fromStatus String?  @map("from_status")
  toStatus   String   @map("to_status")
  operatorId String?  @map("operator_id")
  remark     String?
  createdAt  DateTime @default(now()) @map("created_at")

  booking Booking @relation(fields: [bookingId], references: [id])

  @@index([bookingId])
  @@map("booking_status_history")
}

model Order {
  id              String      @id @default(uuid())
  userId          String      @map("user_id")
  cardTypeId      String      @map("card_type_id")
  membershipId    String?     @map("membership_id")
  orderNo         String      @unique @map("order_no")
  inviteInviterId String?     @map("invite_inviter_id")
  purchasedCategory String?  @map("purchased_category")
  amount          Decimal     @db.Decimal(10, 0)
  status          OrderStatus @default(PENDING)
  wxTransactionId String?     @map("wx_transaction_id")
  paidAt          DateTime?   @map("paid_at")
  createdAt       DateTime    @default(now()) @map("created_at")
  updatedAt       DateTime    @updatedAt @map("updated_at")

  user           User            @relation(fields: [userId], references: [id])
  cardType       CardType        @relation(fields: [cardTypeId], references: [id])
  membership     Membership?     @relation(fields: [membershipId], references: [id])
  inviteReferrals InviteReferral[]

  @@index([userId])
  @@index([status])
  @@index([membershipId])
  @@map("orders")
}

model InviteReferral {
  id               String               @id @default(uuid())
  inviterId        String               @map("inviter_id")
  inviteeId        String               @unique @map("invitee_id")
  status           InviteReferralStatus @default(REGISTERED)
  trialOrderId     String?              @unique @map("trial_order_id")
  qualifiedBookingId String?            @unique @map("qualified_booking_id")
  invitedAt        DateTime             @default(now()) @map("invited_at")
  trialPurchasedAt DateTime?            @map("trial_purchased_at")
  qualifiedAt      DateTime?            @map("qualified_at")
  createdAt        DateTime             @default(now()) @map("created_at")
  updatedAt        DateTime             @updatedAt @map("updated_at")

  inviter          User                 @relation("InviteReferralInviter", fields: [inviterId], references: [id])
  invitee          User                 @relation("InviteReferralInvitee", fields: [inviteeId], references: [id])
  trialOrder       Order?               @relation(fields: [trialOrderId], references: [id])
  qualifiedBooking Booking?             @relation(fields: [qualifiedBookingId], references: [id])

  @@unique([inviterId, inviteeId])
  @@index([inviterId, status])
  @@index([status])
  @@map("invite_referrals")
}

model InviteRewardGrant {
  id                    String     @id @default(uuid())
  inviterId             String     @map("inviter_id")
  membershipId          String?    @map("membership_id")
  qualifiedReferralCount Int       @map("qualified_referral_count")
  rewardTimes           Int        @default(1) @map("reward_times")
  grantedAt             DateTime   @default(now()) @map("granted_at")
  createdAt             DateTime   @default(now()) @map("created_at")
  updatedAt             DateTime   @updatedAt @map("updated_at")

  inviter    User        @relation("InviteRewardGrantInviter", fields: [inviterId], references: [id])
  membership Membership? @relation(fields: [membershipId], references: [id], onDelete: Restrict)

  @@index([inviterId, grantedAt])
  @@map("invite_reward_grants")
}

model StudioConfig {
  id               String   @id @default(uuid())
  name             String
  logo             String?
  bannerUrl        String?  @map("banner_url")
  address          String   @default("")
  phone            String   @default("")
  latitude         Decimal? @db.Decimal(10, 7)
  longitude        Decimal? @db.Decimal(10, 7)
  cancelHoursLimit Int      @default(2) @map("cancel_hours_limit")
  photos           Json     @default("[]")
  updatedAt        DateTime @updatedAt @map("updated_at")

  @@map("studio_config")
}

// Historical totals without fabricated scheduled dates.
model LessonSupplement {
  id             String   @id @default(uuid())
  userId         String   @map("user_id")
  requestId      String   @map("request_id") @db.VarChar(80)
  quantity       Int
  membershipId   String?  @map("membership_id")
  deductedTimes  Int      @default(0) @map("deducted_times")
  cardName       String?  @map("card_name")
  remark         String?  @db.VarChar(200)
  operatorId     String   @map("operator_id")
  operatorName   String   @map("operator_name")
  createdAt      DateTime @default(now()) @map("created_at")
  revokedAt      DateTime? @map("revoked_at")
  revokedBy      String?  @map("revoked_by")

  user       User        @relation(fields: [userId], references: [id])
  membership Membership? @relation(fields: [membershipId], references: [id], onDelete: Restrict)

  @@unique([userId, requestId])
  @@index([userId, revokedAt, createdAt])
  @@map("lesson_supplements")
}

model BookingReview {
  id String @id @default(uuid())
  bookingId String @unique @map("booking_id")
  rating Int
  recommendation Int?
  tags Json
  comment String @db.VarChar(200)
  createdAt DateTime @default(now()) @map("created_at")
  booking Booking @relation(fields: [bookingId], references: [id])
  @@index([createdAt])
  @@map("booking_reviews")
}

model BodyMetric {
  id String @id @default(uuid())
  userId String @map("user_id")
  recordedAt DateTime @db.Date @map("recorded_at")
  weight Float?
  bodyFat Float? @map("body_fat")
  waist Float?
  hip Float?
  flexibility Float?
  remark String @default("") @db.VarChar(200)
  operatorId String @map("operator_id")
  createdAt DateTime @default(now()) @map("created_at")
  user User @relation(fields: [userId], references: [id])
  @@index([userId, recordedAt])
  @@map("body_metrics")
}

model MemberNote {
  id String @id @default(uuid())
  userId String @map("user_id")
  bookingId String? @map("booking_id")
  content String @db.VarChar(1000)
  shared Boolean @default(false)
  operatorId String @map("operator_id")
  createdAt DateTime @default(now()) @map("created_at")
  user User @relation(fields: [userId], references: [id])
  booking Booking? @relation(fields: [bookingId], references: [id])
  @@index([userId, createdAt])
  @@map("member_notes")
}

model ProgressPhoto {
  id String @id @default(uuid())
  userId String @map("user_id")
  objectKey String @unique @map("object_key")
  caption String @default("") @db.VarChar(200)
  recordedAt DateTime @db.Date @map("recorded_at")
  uploadedAt DateTime? @map("uploaded_at")
  consentedAt DateTime? @map("consented_at")
  revokedAt DateTime? @map("revoked_at")
  operatorId String @map("operator_id")
  createdAt DateTime @default(now()) @map("created_at")
  user User @relation(fields: [userId], references: [id])
  @@index([userId, recordedAt])
  @@map("progress_photos")
}