edr-platform/apps/edr-passenger-api/prisma/schema.prisma

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

datasource db {
  provider = "postgresql"
  url      = env("DATABASE_URL")
  schemas  = ["passenger"]
}

enum UserRole {
  PASSENGER
  AGENT
  SUPERVISOR
  ADMIN
  STAFF

  @@schema("passenger")
}

enum TripStatus {
  SCHEDULED
  BOARDING
  EN_ROUTE
  ARRIVED
  CANCELLED
  DELAYED

  @@schema("passenger")
}

enum SeatKind {
  STANDARD
  PREMIUM
  ACCESSIBLE

  @@schema("passenger")
}

enum SeatStatus {
  AVAILABLE
  HELD
  BOOKED
  BLOCKED

  @@schema("passenger")
}

enum PassengerCategory {
  ADULT
  CHILD

  @@schema("passenger")
}

enum IdDocumentType {
  NATIONAL_ID
  PASSPORT
  DRIVING_LICENSE
  OTHER

  @@schema("passenger")
}

enum Currency {
  ETB
  DJF
  USD

  @@schema("passenger")
}

model CoachType {
  id          String      @id @default(uuid())
  code        String
  name        String
  type        String      @default("passenger") // 'passenger', 'sleeper', 'dining', 'baggage'
  createdAt   DateTime    @default(now())
  updatedAt   DateTime    @updatedAt
  coaches     Coach[]
  seatClasses SeatClass[]

  @@schema("passenger")
}

model SeatClass {
  id             String            @id @default(uuid())
  coachTypeId    String
  name           String
  description    String?
  baseFareMinor  Int
  isActive       Boolean           @default(true)
  createdAt      DateTime          @default(now())
  updatedAt      DateTime          @updatedAt
  coachType      CoachType         @relation(fields: [coachTypeId], references: [id])
  fareRules      FareRule[]
  routeFareRules RouteFareRule[]
  segmentFares   SegmentFareRule[]

  @@unique([coachTypeId, name])
  @@index([coachTypeId])
  @@schema("passenger")
}

enum BookingStatus {
  DRAFT
  PENDING_PAYMENT
  CONFIRMED
  CANCELLED
  COMPLETED
  NO_SHOW
  REFUNDED

  @@schema("passenger")
}

enum PaymentRegion {
  ETHIOPIA
  DJIBOUTI
  INTERNATIONAL
  GLOBAL

  @@schema("passenger")
}

enum PaymentMethodType {
  TELEBIRR
  CBE_BIRR
  EBIRR
  CARD
  WALLET
  WAAFI
  DMONEY

  @@schema("passenger")
}

enum PaymentIntentStatus {
  REQUIRES_ACTION
  PROCESSING
  SUCCEEDED
  FAILED
  CANCELLED
  REFUNDED

  @@schema("passenger")
}

enum WalletLedgerType {
  CREDIT
  DEBIT

  @@schema("passenger")
}

enum NotificationCategory {
  BOOKING
  PAYMENT
  DISRUPTION
  PROMOTION
  SYSTEM

  @@schema("passenger")
}

enum StopStatus {
  COMPLETED
  APPROACHING
  CURRENT
  UPCOMING

  @@schema("passenger")
}

enum SupportConversationStatus {
  OPEN
  RESOLVED
  CLOSED

  @@schema("passenger")
}

enum SupportSender {
  USER
  BOT
  AGENT

  @@schema("passenger")
}

enum LoyaltyTier {
  BRONZE
  SILVER
  GOLD
  PLATINUM

  @@schema("passenger")
}

enum LoyaltyLedgerReason {
  TRIP_COMPLETED
  REWARD_REDEEMED
  PROMO_BONUS
  MANUAL_ADJUSTMENT
  EXPIRY

  @@schema("passenger")
}

enum FoodOrderStatus {
  PENDING
  PREPARING
  READY
  DELIVERED
  CANCELLED

  @@schema("passenger")
}

enum DevicePlatform {
  IOS
  ANDROID
  WEB

  @@schema("passenger")
}

model User {
  id                  String    @id @default(uuid())
  email               String    @unique
  phone               String    @unique
  fullName            String
  passwordHash        String
  role                UserRole  @default(PASSENGER)
  nationality         String?
  nationalityCode     String?
  passportNumber      String?
  nationalId          String?
  failedLoginAttempts Int       @default(0)
  lockedUntil         DateTime?
  blockedUntil        DateTime?
  lastLoginAt         DateTime?
  createdAt           DateTime  @default(now())
  updatedAt           DateTime  @updatedAt

  faydaVerified   Boolean   @default(false)
  faydaVerifiedAt DateTime?
  faydaSub        String?   @unique

  passenger   Passenger?
  agent       Agent?
  sessions    Session[]
  devices     Device[]
  preferences UserPreferences?
  auditLogs   AuditLog[]
  fraudAlerts FraudAlert[]

  faydaVerificationSessions FaydaVerificationSession[]

  @@schema("passenger")
}

model Session {
  id             String   @id @default(uuid())
  userId         String
  token          String   @unique
  expiresAt      DateTime
  ipAddress      String?
  userAgent      String?
  lastActivityAt DateTime @default(now())
  createdAt      DateTime @default(now())
  user           User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@schema("passenger")
}

model Passenger {
  id                       String            @id @default(uuid())
  userId                   String            @unique
  defaultTravelerProfileId String?
  preferredLanguage        String?
  createdAt                DateTime          @default(now())
  user                     User              @relation(fields: [userId], references: [id])
  bookings                 Booking[]
  loyalty                  LoyaltyAccount?
  wallet                   WalletAccount?
  notifications            Notification[]
  travelerProfiles         TravelerProfile[]
  savedRoutes              SavedRoute[]

  @@index([userId])
  @@schema("passenger")
}

model TravelerProfile {
  id           String    @id @default(uuid())
  passengerId  String
  fullName     String
  relationship String
  dateOfBirth  DateTime?
  nationalId   String?
  notes        String?
  createdAt    DateTime  @default(now())
  passenger    Passenger @relation(fields: [passengerId], references: [id])

  @@schema("passenger")
}

model Station {
  id                   String               @id @default(uuid())
  code                 String               @unique
  name                 String
  city                 String
  countryCode          String?
  isOperational        Boolean              @default(true)
  timezone             String               @default("Africa/Addis_Ababa")
  lat                  Decimal              @db.Decimal(9, 6)
  lng                  Decimal              @db.Decimal(9, 6)
  originSchedules      TrainSchedule[]      @relation("OriginTrips")
  destinationSchedules TrainSchedule[]      @relation("DestinationTrips")
  stopTimes            TripStopTime[]
  crowdSignals         StationCrowdSignal[]

  @@index([city, countryCode])
  @@schema("passenger")
}

model Train {
  id           String          @id @default(uuid())
  number       String          @unique
  name         String
  operatorId   String          @default("op_edr")
  operatorName String?
  description  String?
  isActive     Boolean         @default(true)
  createdAt    DateTime        @default(now())
  updatedAt    DateTime        @updatedAt
  schedules    TrainSchedule[]

  @@schema("passenger")
}

model TrainSchedule {
  id                   String            @id @default(uuid())
  trainId              String
  routeId              String?
  originStationId      String
  destinationStationId String
  departureAt          DateTime
  arrivalAt            DateTime
  durationMinutes      Int
  status               TripStatus        @default(SCHEDULED)
  stopsCount           Int               @default(0)
  reservedCount        Int               @default(0)
  onTimePercent        Int               @default(100)
  carbonRating         String            @default("A")
  notes                String?
  train                Train             @relation(fields: [trainId], references: [id])
  route                Route?            @relation(fields: [routeId], references: [id])
  originStation        Station           @relation("OriginTrips", fields: [originStationId], references: [id])
  destinationStation   Station           @relation("DestinationTrips", fields: [destinationStationId], references: [id])
  coachAssignments     CoachAssignment[]
  bookings             Booking[]
  stopTimes            TripStopTime[]
  liveStatus           TripLiveStatus?
  menuItems            MenuItem[]
  journeySegments      JourneySegment[]

  @@index([departureAt, originStationId])
  @@schema("passenger")
}

model TripStopTime {
  id                 String        @id @default(uuid())
  scheduleId         String
  stationId          String
  sequence           Int
  plannedArrivalAt   DateTime?
  plannedDepartureAt DateTime?
  actualArrivalAt    DateTime?
  status             StopStatus    @default(UPCOMING)
  schedule           TrainSchedule @relation(fields: [scheduleId], references: [id])
  station            Station       @relation(fields: [stationId], references: [id])

  @@unique([scheduleId, sequence])
  @@schema("passenger")
}

model TripLiveStatus {
  id                   String        @id @default(uuid())
  scheduleId           String        @unique
  state                String
  currentLocationLabel String?
  progressPercent      Int           @default(0)
  delayMinutes         Int           @default(0)
  currentSpeedKph      Int?
  platformLabel        String?
  updatedAt            DateTime      @updatedAt
  schedule             TrainSchedule @relation(fields: [scheduleId], references: [id])

  @@schema("passenger")
}

model Coach {
  id          String            @id @default(uuid())
  coachTypeId String
  number      String            @unique
  arrangement String            @default("2+2") // e.g., '2+2', '3+2', '2+2+2'
  capacity    Int               @default(0) // Total seats/beds
  status      String            @default("ACTIVE") // 'ACTIVE', 'MAINTENANCE', 'INACTIVE'
  createdAt   DateTime          @default(now())
  updatedAt   DateTime          @updatedAt
  coachType   CoachType         @relation(fields: [coachTypeId], references: [id])
  seats       Seat[]
  assignments CoachAssignment[]

  @@index([coachTypeId])
  @@schema("passenger")
}

model CoachAssignment {
  id             String        @id @default(uuid())
  scheduleId     String
  coachId        String
  positionNumber Int
  isOperational  Boolean       @default(true)
  createdAt      DateTime      @default(now())
  schedule       TrainSchedule @relation(fields: [scheduleId], references: [id])
  coach          Coach         @relation(fields: [coachId], references: [id])

  @@unique([scheduleId, positionNumber])
  @@index([scheduleId])
  @@schema("passenger")
}

model Seat {
  id              String        @id @default(uuid())
  coachId         String
  seatNumber      String // Auto-generated: e.g., '1', '2', '3' (unique per coach)
  row             Int
  col             String
  kind            SeatKind      @default(STANDARD)
  status          SeatStatus    @default(AVAILABLE)
  heldUntil       DateTime?
  isWindow        Boolean       @default(false)
  isAisle         Boolean       @default(false)
  bedPosition     String? // 'lower', 'middle', 'upper'
  premiumFeeMinor Int           @default(0)
  coach           Coach         @relation(fields: [coachId], references: [id])
  bookingSeats    BookingSeat[]
  blocks          SeatBlock[]
  ticketSeats     TicketSeat[]

  @@unique([coachId, seatNumber])
  @@unique([coachId, row, col])
  @@index([coachId])
  @@schema("passenger")
}

model SeatHold {
  id          String   @id @default(uuid())
  scheduleId  String
  seatIds     String[]
  fareQuoteId String?
  passengerId String
  createdBy   String?
  expiresAt   DateTime
  createdAt   DateTime @default(now())

  @@index([expiresAt])
  @@schema("passenger")
}

model FareRule {
  id            String    @id @default(uuid())
  tripId        String?
  route         String?
  nationality   String? // Ethiopian, Djiboutian, Other
  seatClassId   String
  baseFareMinor Int
  seatClass     SeatClass @relation(fields: [seatClassId], references: [id])
  currency      String    @default("ETB")
  refundable    Boolean   @default(true)
  validFrom     DateTime
  validUntil    DateTime?
  createdAt     DateTime  @default(now())

  @@schema("passenger")
}

model Booking {
  id                String                @id @default(uuid())
  bookingRef        String                @unique
  passengerId       String
  scheduleId        String
  status            BookingStatus         @default(DRAFT)
  currency          String                @default("ETB")
  totalMinor        Int
  adultCount        Int                   @default(1)
  childCount        Int                   @default(0)
  displayCurrency   Currency?
  displayTotalMinor Int?
  bookingType       String                @default("ONE_WAY")
  contactEmail      String?
  contactPhone      String?
  userAgent         String?
  source            String                @default("WEB")
  promoCode         String?
  paidAt            DateTime?
  createdAt         DateTime              @default(now())
  updatedAt         DateTime              @updatedAt
  passenger         Passenger             @relation(fields: [passengerId], references: [id])
  schedule          TrainSchedule         @relation(fields: [scheduleId], references: [id])
  seats             BookingSeat[]
  paymentIntent     PaymentIntent?
  ticket            Ticket?
  foodOrders        FoodOrder[]
  agentBooking      AgentBooking?
  modifications     BookingModification[]
  cancellation      BookingCancellation?
  baggage           BaggageBooking[]

  @@index([passengerId, status])
  @@schema("passenger")
}

model BookingSeat {
  id                String            @id @default(uuid())
  bookingId         String
  seatId            String
  passengerName     String
  dateOfBirth       DateTime?
  passengerCategory PassengerCategory @default(ADULT)
  idDocumentType    IdDocumentType?
  idDocumentNumber  String?
  passportNumber    String?
  passportCountry   String?
  verifaydaVerified Boolean           @default(false)
  verifaydaData     Json?
  faydaVerifiedAt   DateTime?
  faydaSub          String?
  faydaVerifiedName String?
  seatLabelSnapshot String?
  fareMinor         Int?
  displayCurrency   Currency?
  displayFareMinor  Int?
  booking           Booking           @relation(fields: [bookingId], references: [id])
  seat              Seat              @relation(fields: [seatId], references: [id])

  @@schema("passenger")
}

model PaymentMethod {
  id          String            @id @default(uuid())
  type        PaymentMethodType @unique
  displayName String
  region      PaymentRegion     @default(GLOBAL)
  currency    String            @default("ETB")
  providerId  String?
  isDefault   Boolean           @default(false)
  enabled     Boolean           @default(true)
  sortOrder   Int               @default(0)
  createdAt   DateTime          @default(now())
  updatedAt   DateTime          @updatedAt

  @@schema("passenger")
}

model PaymentIntent {
  id              String              @id @default(uuid())
  bookingId       String              @unique
  amountMinor     Int
  currency        String              @default("ETB")
  method          PaymentMethodType
  provider        String?
  status          PaymentIntentStatus @default(REQUIRES_ACTION)
  providerRef     String?
  clientAction    Json?
  merchantOrderId String?             @unique
  providerOrderId String?
  providerTxnId   String?
  rawInitiation   Json?
  paidAt          DateTime?
  refundedAt      DateTime?
  captureMethod   String?
  failureCode     String?
  failureMessage  String?
  expiresAt       DateTime?
  createdAt       DateTime            @default(now())
  updatedAt       DateTime            @updatedAt
  booking         Booking             @relation(fields: [bookingId], references: [id])
  refunds         PaymentRefund[]

  @@index([providerOrderId])
  @@index([providerTxnId])
  @@schema("passenger")
}

model PaymentWebhookEvent {
  id              String            @id @default(uuid())
  provider        PaymentMethodType
  externalEventId String
  merchantOrderId String?
  providerTxnId   String?
  signatureValid  Boolean
  status          String
  payload         Json
  receivedAt      DateTime          @default(now())
  processedAt     DateTime?
  processingError String?

  @@unique([provider, externalEventId])
  @@index([merchantOrderId])
  @@schema("passenger")
}

model PaymentRefund {
  id               String        @id @default(uuid())
  paymentIntentId  String
  amountMinor      Int
  reason           String?
  providerRefundId String?
  status           String
  createdAt        DateTime      @default(now())
  paymentIntent    PaymentIntent @relation(fields: [paymentIntentId], references: [id])

  @@schema("passenger")
}

model Ticket {
  id              String              @id @default(uuid())
  bookingId       String              @unique
  bookingRef      String
  status          String              @default("CONFIRMED")
  qrPayload       String
  barcodePayload  String?
  pdfUrl          String?
  deliveryChannel String              @default("EMAIL")
  issuedAt        DateTime            @default(now())
  validatedAt     DateTime?
  validatorId     String?
  booking         Booking             @relation(fields: [bookingId], references: [id])
  validationLogs  GateValidationLog[]
  seats           TicketSeat[]

  @@schema("passenger")
}

model TicketSeat {
  id        String @id @default(uuid())
  ticketId  String
  seatId    String
  seatIndex Int    @default(0)
  ticket    Ticket @relation(fields: [ticketId], references: [id], onDelete: Cascade)
  seat      Seat   @relation(fields: [seatId], references: [id])

  @@index([ticketId])
  @@index([seatId])
  @@schema("passenger")
}

model LoyaltyAccount {
  id             String               @id @default(uuid())
  passengerId    String               @unique
  pointsBalance  Int                  @default(0)
  lifetimePoints Int                  @default(0)
  tier           LoyaltyTier          @default(BRONZE)
  tierUpdatedAt  DateTime?
  updatedAt      DateTime             @updatedAt
  passenger      Passenger            @relation(fields: [passengerId], references: [id])
  ledger         LoyaltyLedgerEntry[]
  rewards        LoyaltyReward[]

  @@schema("passenger")
}

model LoyaltyLedgerEntry {
  id           String              @id @default(uuid())
  accountId    String
  delta        Int
  reason       LoyaltyLedgerReason
  bookingId    String?
  balanceAfter Int
  createdAt    DateTime            @default(now())
  account      LoyaltyAccount      @relation(fields: [accountId], references: [id])

  @@schema("passenger")
}

model LoyaltyReward {
  id          String         @id @default(uuid())
  accountId   String
  title       String
  costPoints  Int
  available   Boolean        @default(true)
  description String?
  account     LoyaltyAccount @relation(fields: [accountId], references: [id])

  @@schema("passenger")
}

model WalletAccount {
  id           String              @id @default(uuid())
  passengerId  String              @unique
  balanceMinor Int                 @default(0)
  status       String              @default("ACTIVE")
  holdMinor    Int                 @default(0)
  currency     String              @default("ETB")
  updatedAt    DateTime            @updatedAt
  passenger    Passenger           @relation(fields: [passengerId], references: [id])
  ledger       WalletLedgerEntry[]

  @@index([passengerId])
  @@schema("passenger")
}

model WalletLedgerEntry {
  id                String           @id @default(uuid())
  walletId          String
  type              WalletLedgerType
  amountMinor       Int
  balanceAfterMinor Int
  description       String
  relatedBookingId  String?
  createdAt         DateTime         @default(now())
  wallet            WalletAccount    @relation(fields: [walletId], references: [id])

  @@schema("passenger")
}

model Notification {
  id          String               @id @default(uuid())
  passengerId String
  title       String
  body        String
  category    NotificationCategory
  read        Boolean              @default(false)
  deepLink    String?
  metadata    Json?
  createdAt   DateTime             @default(now())
  passenger   Passenger            @relation(fields: [passengerId], references: [id])

  @@schema("passenger")
}

model Promotion {
  id             String   @id @default(uuid())
  title          String
  subtitle       String?
  code           String   @unique
  percentOff     Int?
  amountOffMinor Int?
  validUntil     DateTime
  ctaLabel       String?
  deepLink       String?
  active         Boolean  @default(true)
  createdAt      DateTime @default(now())

  @@schema("passenger")
}

model StationCrowdSignal {
  id          String    @id @default(uuid())
  stationId   String
  level       String
  label       String
  statusLabel String
  confidence  Int?
  observedAt  DateTime?
  updatedAt   DateTime  @updatedAt
  station     Station   @relation(fields: [stationId], references: [id])

  @@schema("passenger")
}

model WeatherAlert {
  id         String   @id @default(uuid())
  region     String
  severity   String
  title      String
  message    String
  validUntil DateTime
  createdAt  DateTime @default(now())

  @@schema("passenger")
}

model MenuCategory {
  id    String     @id @default(uuid())
  name  String
  items MenuItem[]

  @@schema("passenger")
}

model MenuItem {
  id             String        @id @default(uuid())
  scheduleId     String
  categoryId     String
  name           String
  priceMinor     Int
  currency       String        @default("ETB")
  available      Boolean       @default(true)
  availableUntil DateTime?
  schedule       TrainSchedule @relation(fields: [scheduleId], references: [id])
  category       MenuCategory  @relation(fields: [categoryId], references: [id])

  @@schema("passenger")
}

model FoodOrder {
  id                  String          @id @default(uuid())
  bookingId           String
  status              FoodOrderStatus @default(PENDING)
  totalMinor          Int
  currency            String          @default("ETB")
  specialInstructions String?
  estimatedReadyAt    DateTime?
  createdAt           DateTime        @default(now())
  booking             Booking         @relation(fields: [bookingId], references: [id])
  items               FoodOrderItem[]

  @@schema("passenger")
}

model FoodOrderItem {
  id             String    @id @default(uuid())
  orderId        String
  menuItemId     String
  name           String
  quantity       Int
  unitPriceMinor Int?
  lineTotalMinor Int
  order          FoodOrder @relation(fields: [orderId], references: [id])

  @@schema("passenger")
}

model FaqCategory {
  id       String       @id @default(uuid())
  title    String
  iconKey  String?
  articles FaqArticle[]

  @@schema("passenger")
}

model FaqArticle {
  id             String      @id @default(uuid())
  categoryId     String
  question       String
  answerMarkdown String
  rank           Int         @default(0)
  category       FaqCategory @relation(fields: [categoryId], references: [id])

  @@schema("passenger")
}

model SupportConversation {
  id              String                    @id @default(uuid())
  userId          String
  assignedAgentId String?
  status          SupportConversationStatus @default(OPEN)
  createdAt       DateTime                  @default(now())
  messages        SupportMessage[]

  @@schema("passenger")
}

model SupportMessage {
  id             String              @id @default(uuid())
  conversationId String
  sender         SupportSender
  text           String
  attachments    Json?
  createdAt      DateTime            @default(now())
  conversation   SupportConversation @relation(fields: [conversationId], references: [id])

  @@schema("passenger")
}

model UserPreferences {
  id                     String  @id @default(uuid())
  userId                 String  @unique
  pushEnabled            Boolean @default(true)
  emailEnabled           Boolean @default(true)
  smsEnabled             Boolean @default(false)
  promosEnabled          Boolean @default(true)
  biometricEnabled       Boolean @default(false)
  twoFactorEnabled       Boolean @default(false)
  defaultPaymentMethodId String?
  autoDownloadTickets    Boolean @default(true)
  dataSharing            Boolean @default(false)
  locale                 String  @default("en")
  darkMode               Boolean @default(false)
  language               String  @default("en")
  user                   User    @relation(fields: [userId], references: [id])

  @@schema("passenger")
}

model Device {
  id         String         @id @default(uuid())
  userId     String
  platform   DevicePlatform
  name       String
  pushToken  String?
  trusted    Boolean        @default(false)
  lastSeenAt DateTime       @default(now())
  user       User           @relation(fields: [userId], references: [id])

  @@schema("passenger")
}

model SavedRoute {
  id            String    @id @default(uuid())
  passengerId   String
  fromStationId String
  toStationId   String
  fromName      String
  toName        String
  tripCount     Int       @default(0)
  createdAt     DateTime  @default(now())
  passenger     Passenger @relation(fields: [passengerId], references: [id])

  @@schema("passenger")
}

model Journey {
  id              String           @id @default(uuid())
  passengerId     String
  status          String
  totalMinor      Int
  currency        String           @default("ETB")
  createdAt       DateTime         @default(now())
  journeySegments JourneySegment[]

  @@schema("passenger")
}

model JourneySegment {
  id                 String        @id @default(uuid())
  journeyId          String
  scheduleId         String
  segmentOrder       Int
  seatId             String?
  coachId            String?
  departureStationId String
  arrivalStationId   String
  journey            Journey       @relation(fields: [journeyId], references: [id])
  schedule           TrainSchedule @relation(fields: [scheduleId], references: [id])

  @@schema("passenger")
}

model OtpCode {
  id        String   @id @default(uuid())
  userId    String?
  email     String?
  phone     String?
  code      String
  purpose   String
  expiresAt DateTime
  verified  Boolean  @default(false)
  createdAt DateTime @default(now())

  @@index([email, phone])
  @@schema("passenger")
}

model PasswordResetToken {
  id        String   @id @default(uuid())
  userId    String
  token     String   @unique
  expiresAt DateTime
  used      Boolean  @default(false)
  createdAt DateTime @default(now())

  @@index([userId])
  @@schema("passenger")
}

model Route {
  id             String            @id @default(uuid())
  code           String            @unique
  name           String
  description    String?
  effectiveFrom  DateTime
  effectiveUntil DateTime?
  active         Boolean           @default(true)
  createdAt      DateTime          @default(now())
  stops          RouteStop[]
  fareRules      RouteFareRule[]
  segmentFares   SegmentFareRule[]
  schedules      TrainSchedule[]

  @@schema("passenger")
}

model RouteStop {
  id         String   @id @default(uuid())
  routeId    String
  stationId  String
  sequence   Int
  distanceKm Int?
  createdAt  DateTime @default(now())
  route      Route    @relation(fields: [routeId], references: [id], onDelete: Cascade)

  @@unique([routeId, sequence])
  @@index([routeId, stationId])
  @@schema("passenger")
}

model RouteFareRule {
  id                String            @id @default(uuid())
  routeId           String
  seatClassId       String
  passengerCategory PassengerCategory @default(ADULT)
  baseFareMinor     Int
  discountPercent   Int?
  taxPercent        Int?
  surchargeMinor    Int?
  currency          String            @default("ETB")
  validFrom         DateTime
  validUntil        DateTime?
  createdAt         DateTime          @default(now())
  route             Route             @relation(fields: [routeId], references: [id], onDelete: Cascade)
  seatClass         SeatClass         @relation(fields: [seatClassId], references: [id])

  @@index([routeId, seatClassId])
  @@schema("passenger")
}

model SegmentFareRule {
  id                      String    @id @default(uuid())
  routeId                 String
  originStopSequence      Int
  destinationStopSequence Int
  seatClassId             String
  baseFareMinor           Int
  nationality             String? // Optional: Ethiopian, Djiboutian, Other
  currency                String    @default("ETB")
  validFrom               DateTime
  validUntil              DateTime?
  createdAt               DateTime  @default(now())
  route                   Route     @relation(fields: [routeId], references: [id], onDelete: Cascade)
  seatClass               SeatClass @relation(fields: [seatClassId], references: [id])

  @@unique([routeId, originStopSequence, destinationStopSequence, seatClassId, nationality])
  @@index([routeId, seatClassId])
  @@schema("passenger")
}

model Agent {
  id             String            @id @default(uuid())
  userId         String            @unique
  agentCode      String            @unique
  stationId      String?
  commissionRate Int               @default(5)
  active         Boolean           @default(true)
  createdAt      DateTime          @default(now())
  user           User              @relation(fields: [userId], references: [id])
  bookings       AgentBooking[]
  shifts         AgentShift[]
  commissions    AgentCommission[]

  @@schema("passenger")
}

model AgentBooking {
  id            String   @id @default(uuid())
  agentId       String
  bookingId     String   @unique
  paymentMethod String
  cashReceived  Int?
  changeGiven   Int?
  paperTicket   Boolean  @default(false)
  createdAt     DateTime @default(now())
  agent         Agent    @relation(fields: [agentId], references: [id])
  booking       Booking  @relation(fields: [bookingId], references: [id])

  @@schema("passenger")
}

model AgentShift {
  id             String    @id @default(uuid())
  agentId        String
  openedAt       DateTime  @default(now())
  closedAt       DateTime?
  openingBalance Int       @default(0)
  closingBalance Int?
  reconciled     Boolean   @default(false)
  notes          String?
  agent          Agent     @relation(fields: [agentId], references: [id])

  @@index([agentId, openedAt])
  @@schema("passenger")
}

model AgentCommission {
  id          String    @id @default(uuid())
  agentId     String
  bookingId   String
  amountMinor Int
  rate        Int
  paidAt      DateTime?
  createdAt   DateTime  @default(now())
  agent       Agent     @relation(fields: [agentId], references: [id])

  @@index([agentId, paidAt])
  @@schema("passenger")
}

model BookingModification {
  id               String   @id @default(uuid())
  bookingId        String
  modifiedBy       String
  modificationType String
  oldData          Json
  newData          Json
  fareAdjustment   Int      @default(0)
  reason           String?
  createdAt        DateTime @default(now())
  booking          Booking  @relation(fields: [bookingId], references: [id])

  @@index([bookingId])
  @@schema("passenger")
}

model BookingCancellation {
  id           String    @id @default(uuid())
  bookingId    String    @unique
  cancelledBy  String
  reason       String?
  refundAmount Int
  refundMethod String
  refundStatus String
  processedAt  DateTime?
  createdAt    DateTime  @default(now())
  booking      Booking   @relation(fields: [bookingId], references: [id])

  @@schema("passenger")
}

model GateValidationLog {
  id          String   @id @default(uuid())
  ticketId    String
  validatorId String
  gateId      String?
  status      String
  reason      String?
  validatedAt DateTime @default(now())
  ticket      Ticket   @relation(fields: [ticketId], references: [id])

  @@index([ticketId])
  @@index([validatorId])
  @@schema("passenger")
}

model BaggageAllowance {
  id             String   @id @default(uuid())
  seatClassId    String
  maxWeightKg    Int
  maxPiecesCount Int
  excessFeePerKg Int
  currency       String   @default("ETB")
  createdAt      DateTime @default(now())

  @@schema("passenger")
}

model BaggageBooking {
  id             String   @id @default(uuid())
  bookingId      String
  weightKg       Int
  piecesCount    Int
  excessFeeMinor Int      @default(0)
  paid           Boolean  @default(false)
  createdAt      DateTime @default(now())
  booking        Booking  @relation(fields: [bookingId], references: [id])

  @@index([bookingId])
  @@schema("passenger")
}

model AuditLog {
  id         String   @id @default(uuid())
  userId     String?
  action     String
  entityType String
  entityId   String?
  oldData    Json?
  newData    Json?
  ipAddress  String?
  userAgent  String?
  createdAt  DateTime @default(now())
  user       User?    @relation(fields: [userId], references: [id])

  @@index([userId, createdAt])
  @@index([entityType, entityId])
  @@schema("passenger")
}

model NotificationTemplate {
  id           String   @id @default(uuid())
  code         String   @unique
  channel      String
  subject      String?
  bodyTemplate String
  active       Boolean  @default(true)
  createdAt    DateTime @default(now())

  @@schema("passenger")
}

model SeatBlock {
  id         String    @id @default(uuid())
  seatId     String
  reason     String
  blockedBy  String
  approvedBy String?
  blockedAt  DateTime  @default(now())
  unblockAt  DateTime?
  seat       Seat      @relation(fields: [seatId], references: [id])

  @@index([seatId])
  @@schema("passenger")
}

model OperationalReport {
  id          String   @id @default(uuid())
  reportType  String
  dateFrom    DateTime
  dateTo      DateTime
  data        Json
  generatedBy String?
  createdAt   DateTime @default(now())

  @@index([reportType, dateFrom])
  @@schema("passenger")
}

model FraudRule {
  id        String   @id @default(uuid())
  type      String   @unique
  enabled   Boolean  @default(true)
  threshold Float
  config    Json?
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@schema("passenger")
}

model FraudAlert {
  id             String   @id @default(uuid())
  userId         String
  eventType      String
  triggeredRules String[]
  context        Json
  severity       String   @default("MEDIUM")
  acknowledged   Boolean  @default(false)
  createdAt      DateTime @default(now())
  user           User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId, createdAt])
  @@index([acknowledged])
  @@schema("passenger")
}

model CurrencyExchangeRate {
  id            String   @id @default(uuid())
  fromCurrency  Currency
  toCurrency    Currency
  rate          Decimal  @db.Decimal(18, 6)
  effectiveDate DateTime @default(now())
  source        String   @default("MANUAL")
  createdAt     DateTime @default(now())

  @@unique([fromCurrency, toCurrency, effectiveDate])
  @@index([fromCurrency, toCurrency])
  @@schema("passenger")
}

model VerifaydaVerification {
  id              String    @id @default(uuid())
  bookingId       String?
  nationalId      String
  requestPayload  Json
  responsePayload Json?
  verified        Boolean   @default(false)
  failureReason   String?
  verifiedAt      DateTime?
  createdAt       DateTime  @default(now())

  @@index([nationalId])
  @@index([bookingId])
  @@schema("passenger")
}

model SavedPassengerProfile {
  id              String         @id @default(uuid())
  userId          String?
  deviceId        String?
  passengerName   String
  dateOfBirth     DateTime
  idDocumentType  IdDocumentType
  passportNumber  String?
  passportCountry String?
  nationality     String?
  phone           String?
  email           String?
  createdAt       DateTime       @default(now())
  updatedAt       DateTime       @updatedAt

  @@index([userId])
  @@index([deviceId])
  @@schema("passenger")
}

model FaydaVerificationSession {
  id               String    @id @default(uuid())
  state            String    @unique
  codeVerifier     String
  purpose          String    @default("PURCHASE")
  platform         String    @default("WEB") // WEB | MOBILE — recorded for audit
  saveToAccount    Boolean   @default(false)
  status           String    @default("PENDING")
  errorCode        String?
  errorDescription String?
  authCode         String?
  createdAt        DateTime  @default(now())
  expiresAt        DateTime
  completedAt      DateTime?

  userId    String?
  bookingId String?

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

  @@index([userId])
  @@index([bookingId])
  @@index([state])
  @@index([expiresAt])
  @@schema("passenger")
}