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

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

enum UserRole {
  PASSENGER
  ADMIN
  STAFF
}

enum TripStatus {
  SCHEDULED
  BOARDING
  EN_ROUTE
  ARRIVED
  CANCELLED
  DELAYED
}

enum SeatKind {
  STANDARD
  PREMIUM
  ACCESSIBLE
}

enum SeatStatus {
  AVAILABLE
  HELD
  BOOKED
  BLOCKED
}

enum ServiceClass {
  ECONOMY
  BUSINESS
  FIRST
}

enum BookingStatus {
  DRAFT
  PENDING_PAYMENT
  CONFIRMED
  CANCELLED
  COMPLETED
  NO_SHOW
}

enum PaymentMethodType {
  TELEBIRR
  CBE_BIRR
  EBIRR
  CARD
  WALLET
}

enum PaymentIntentStatus {
  REQUIRES_ACTION
  PROCESSING
  SUCCEEDED
  FAILED
  CANCELLED
}

enum WalletLedgerType {
  CREDIT
  DEBIT
}

enum NotificationCategory {
  BOOKING
  PAYMENT
  DISRUPTION
  PROMOTION
  SYSTEM
}

enum StopStatus {
  COMPLETED
  APPROACHING
  CURRENT
  UPCOMING
}

enum SupportConversationStatus {
  OPEN
  RESOLVED
  CLOSED
}

enum SupportSender {
  USER
  BOT
  AGENT
}

enum LoyaltyTier {
  BRONZE
  SILVER
  GOLD
  PLATINUM
}

enum LoyaltyLedgerReason {
  TRIP_COMPLETED
  REWARD_REDEEMED
  PROMO_BONUS
  MANUAL_ADJUSTMENT
  EXPIRY
}

enum FoodOrderStatus {
  PENDING
  PREPARING
  READY
  DELIVERED
  CANCELLED
}

enum DevicePlatform {
  IOS
  ANDROID
  WEB
}

model User {
  id           String    @id @default(uuid())
  email        String    @unique
  phone        String    @unique
  fullName     String
  passwordHash String
  role         UserRole  @default(PASSENGER)
  createdAt    DateTime  @default(now())
  updatedAt    DateTime  @updatedAt
  passenger    Passenger?
  sessions     Session[]
  devices      Device[]
  preferences  UserPreferences?
}

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

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

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])
}

model Station {
  id       String  @id @default(uuid())
  code     String  @unique
  name     String
  city     String
  timezone String  @default("Africa/Addis_Ababa")
  lat      Decimal @db.Decimal(9, 6)
  lng      Decimal @db.Decimal(9, 6)
  originTrips      Trip[] @relation("OriginTrips")
  destinationTrips Trip[] @relation("DestinationTrips")
  stopTimes        TripStopTime[]
  crowdSignals     StationCrowdSignal[]
}

model TrainService {
  id         String @id @default(uuid())
  number     String @unique
  name       String
  operatorId String @default("op_edr")
  trips      Trip[]
}

model Trip {
  id                   String     @id @default(uuid())
  serviceId            String
  originStationId      String
  destinationStationId String
  departureAt          DateTime
  arrivalAt            DateTime
  durationMinutes      Int
  status               TripStatus @default(SCHEDULED)
  stopsCount           Int        @default(0)
  onTimePercent        Int        @default(100)
  carbonRating         String     @default("A")
  service            TrainService   @relation(fields: [serviceId], references: [id])
  originStation      Station        @relation("OriginTrips", fields: [originStationId], references: [id])
  destinationStation Station        @relation("DestinationTrips", fields: [destinationStationId], references: [id])
  coaches            Coach[]
  bookings           Booking[]
  stopTimes          TripStopTime[]
  liveStatus         TripLiveStatus?
  menuItems          MenuItem[]
}

model TripStopTime {
  id                 String     @id @default(uuid())
  tripId             String
  stationId          String
  sequence           Int
  plannedArrivalAt   DateTime?
  plannedDepartureAt DateTime?
  actualArrivalAt    DateTime?
  status             StopStatus @default(UPCOMING)
  trip    Trip    @relation(fields: [tripId], references: [id])
  station Station @relation(fields: [stationId], references: [id])
  @@unique([tripId, sequence])
}

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

model Coach {
  id           String       @id @default(uuid())
  tripId       String
  label        String
  serviceClass ServiceClass
  trip  Trip   @relation(fields: [tripId], references: [id])
  seats Seat[]
  @@unique([tripId, label])
}

model Seat {
  id        String     @id @default(uuid())
  coachId   String
  row       Int
  col       String
  label     String
  kind      SeatKind   @default(STANDARD)
  status    SeatStatus @default(AVAILABLE)
  heldUntil DateTime?
  coach        Coach         @relation(fields: [coachId], references: [id])
  bookingSeats BookingSeat[]
  @@unique([coachId, row, col])
}

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

model FareRule {
  id            String       @id @default(uuid())
  tripId        String?
  route         String?
  serviceClass  ServiceClass
  baseFareMinor Int
  currency      String       @default("ETB")
  refundable    Boolean      @default(true)
  validFrom     DateTime
  validUntil    DateTime?
  createdAt     DateTime     @default(now())
}

model Booking {
  id          String        @id @default(uuid())
  bookingRef  String        @unique
  passengerId String
  tripId      String
  status      BookingStatus @default(DRAFT)
  currency    String        @default("ETB")
  totalMinor  Int
  createdAt   DateTime      @default(now())
  updatedAt   DateTime      @updatedAt
  passenger     Passenger      @relation(fields: [passengerId], references: [id])
  trip          Trip           @relation(fields: [tripId], references: [id])
  seats         BookingSeat[]
  paymentIntent PaymentIntent?
  ticket        Ticket?
  foodOrders    FoodOrder[]
}

model BookingSeat {
  id               String  @id @default(uuid())
  bookingId        String
  seatId           String
  passengerName    String
  idDocumentType   String?
  idDocumentNumber String?
  booking Booking @relation(fields: [bookingId], references: [id])
  seat    Seat    @relation(fields: [seatId], references: [id])
}

model PaymentMethod {
  id          String            @id @default(uuid())
  userId      String
  type        PaymentMethodType
  displayName String
  maskedHint  String?
  isDefault   Boolean           @default(false)
  createdAt   DateTime          @default(now())
}

model PaymentIntent {
  id           String              @id @default(uuid())
  bookingId    String              @unique
  amountMinor  Int
  currency     String              @default("ETB")
  method       PaymentMethodType
  status       PaymentIntentStatus @default(REQUIRES_ACTION)
  providerRef  String?
  clientAction Json?
  createdAt    DateTime            @default(now())
  updatedAt    DateTime            @updatedAt
  booking Booking @relation(fields: [bookingId], references: [id])
}

model Ticket {
  id          String    @id @default(uuid())
  bookingId   String    @unique
  bookingRef  String
  status      String    @default("CONFIRMED")
  qrPayload   String
  issuedAt    DateTime  @default(now())
  validatedAt DateTime?
  validatorId String?
  booking Booking @relation(fields: [bookingId], references: [id])
}

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

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])
}

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])
}

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

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])
}

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])
}

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())
}

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

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

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

model MenuItem {
  id         String  @id @default(uuid())
  tripId     String
  categoryId String
  name       String
  priceMinor Int
  currency   String  @default("ETB")
  available  Boolean @default(true)
  trip     Trip         @relation(fields: [tripId], references: [id])
  category MenuCategory @relation(fields: [categoryId], references: [id])
}

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

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

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

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

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

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

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

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])
}

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])
}