// VIP Coordinator - Prisma Schema
// This is your database schema (source of truth)

generator client {
  provider      = "prisma-client-js"
  binaryTargets = ["native", "linux-musl-openssl-3.0.x"]
}

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

// ============================================
// User Management
// ============================================

model User {
  id         String    @id @default(uuid())
  auth0Id    String    @unique // Auth0 sub claim
  email      String    @unique
  name       String?
  picture    String?
  role       Role      @default(COORDINATOR)
  isApproved Boolean   @default(false)
  driver     Driver? // Optional linked driver account
  createdAt  DateTime  @default(now())
  updatedAt  DateTime  @updatedAt
  deletedAt  DateTime? // Soft delete

  @@map("users")
}

enum Role {
  ADMINISTRATOR
  COORDINATOR
  DRIVER
}

// ============================================
// VIP Management
// ============================================

model VIP {
  id              String       @id @default(uuid())
  name            String
  organization    String?
  department      Department
  arrivalMode     ArrivalMode
  expectedArrival DateTime? // For self-driving arrivals
  airportPickup   Boolean      @default(false)
  venueTransport  Boolean      @default(false)
  partySize       Int          @default(1) // Total people: VIP + entourage
  notes           String?      @db.Text

  // Roster-only flag: true = just tracking for accountability, not active coordination
  isRosterOnly    Boolean      @default(false)

  // Emergency contact info (for accountability reports)
  phone                 String?
  email                 String?
  emergencyContactName  String?
  emergencyContactPhone String?

  flights         Flight[]
  createdAt       DateTime     @default(now())
  updatedAt       DateTime     @updatedAt
  deletedAt       DateTime? // Soft delete

  @@map("vips")
}

enum Department {
  OFFICE_OF_DEVELOPMENT
  ADMIN
  OTHER
}

enum ArrivalMode {
  FLIGHT
  SELF_DRIVING
}

// ============================================
// Flight Tracking
// ============================================

model Flight {
  id                 String    @id @default(uuid())
  vipId              String
  vip                VIP       @relation(fields: [vipId], references: [id], onDelete: Cascade)
  flightNumber       String
  flightDate         DateTime
  segment            Int       @default(1) // For multi-segment itineraries
  departureAirport   String // IATA code (e.g., "JFK")
  arrivalAirport     String // IATA code (e.g., "LAX")
  scheduledDeparture DateTime?
  scheduledArrival   DateTime?
  actualDeparture    DateTime?
  actualArrival      DateTime?
  status             String? // scheduled, active, landed, cancelled, incident, diverted

  // Airline info (from AviationStack API)
  airlineName        String?
  airlineIata        String?   // "AA", "UA", "DL"

  // Terminal/gate/baggage (critical for driver dispatch)
  departureTerminal  String?
  departureGate      String?
  arrivalTerminal    String?
  arrivalGate        String?
  arrivalBaggage     String?

  // Estimated times (updated by API, distinct from scheduled)
  estimatedDeparture DateTime?
  estimatedArrival   DateTime?

  // Delay in minutes (from API)
  departureDelay     Int?
  arrivalDelay       Int?

  // Aircraft info
  aircraftType       String?   // IATA type code e.g. "A321", "B738"

  // Live position data (may not be available on free tier)
  liveLatitude       Float?
  liveLongitude      Float?
  liveAltitude       Float?
  liveSpeed          Float?    // horizontal speed
  liveDirection      Float?    // heading in degrees
  liveIsGround       Boolean?
  liveUpdatedAt      DateTime?

  // Polling metadata
  lastPolledAt       DateTime?
  pollCount          Int       @default(0)
  trackingPhase      String    @default("FAR_OUT") // FAR_OUT, PRE_DEPARTURE, DEPARTURE_WINDOW, ACTIVE, ARRIVAL_WINDOW, LANDED, TERMINAL
  autoTrackEnabled   Boolean   @default(true)
  lastApiResponse    Json?     // Full AviationStack response for debugging

  createdAt          DateTime  @default(now())
  updatedAt          DateTime  @updatedAt

  @@map("flights")
  @@index([vipId])
  @@index([flightNumber, flightDate])
  @@index([trackingPhase])
  @@index([scheduledDeparture])
}

// ============================================
// Flight API Budget Tracking
// ============================================

model FlightApiBudget {
  id            String    @id @default(uuid())
  monthYear     String    @unique // "2026-02" format
  requestsUsed  Int       @default(0)
  requestLimit  Int       @default(100)
  lastRequestAt DateTime?
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt

  @@map("flight_api_budget")
}

// ============================================
// Driver Management
// ============================================

model Driver {
  id              String          @id @default(uuid())
  name            String
  phone           String?         // Optional - driver should add via profile
  department      Department?
  userId          String?         @unique
  user            User?           @relation(fields: [userId], references: [id])

  // Shift/Availability
  shiftStartTime  DateTime?       // When driver's shift starts
  shiftEndTime    DateTime?       // When driver's shift ends
  isAvailable     Boolean         @default(true)

  events          ScheduleEvent[]
  assignedVehicle Vehicle?        @relation("AssignedDriver")
  messages        SignalMessage[] // Signal chat messages
  gpsDevice       GpsDevice?      // GPS tracking device

  createdAt       DateTime        @default(now())
  updatedAt       DateTime        @updatedAt
  deletedAt       DateTime?       // Soft delete

  @@map("drivers")
}

// ============================================
// Vehicle Management
// ============================================

model Vehicle {
  id              String        @id @default(uuid())
  name            String        // "Blue Van", "Suburban #3"
  type            VehicleType   @default(VAN)
  licensePlate    String?
  seatCapacity    Int           // Total seats (e.g., 8)
  status          VehicleStatus @default(AVAILABLE)

  // Current assignment
  currentDriverId String?       @unique
  currentDriver   Driver?       @relation("AssignedDriver", fields: [currentDriverId], references: [id])

  // Relationships
  events          ScheduleEvent[]

  notes           String?       @db.Text
  createdAt       DateTime      @default(now())
  updatedAt       DateTime      @updatedAt
  deletedAt       DateTime?     // Soft delete

  @@map("vehicles")
}

enum VehicleType {
  VAN           // 7-15 seats
  SUV           // 5-8 seats
  SEDAN         // 4-5 seats
  BUS           // 15+ seats
  GOLF_CART     // 2-6 seats
  TRUCK         // For equipment/supplies
}

enum VehicleStatus {
  AVAILABLE     // Ready to use
  IN_USE        // Currently on a trip
  MAINTENANCE   // Out of service
  RESERVED      // Scheduled for upcoming trip
}

// ============================================
// Schedule & Event Management
// ============================================

model ScheduleEvent {
  id              String      @id @default(uuid())
  vipIds          String[]    // Array of VIP IDs for multi-passenger trips
  title           String

  // Location details
  pickupLocation  String?
  dropoffLocation String?
  location        String?     // For non-transport events

  // Timing
  startTime       DateTime
  endTime         DateTime
  actualStartTime DateTime?
  actualEndTime   DateTime?

  description     String?     @db.Text
  type            EventType   @default(TRANSPORT)
  status          EventStatus @default(SCHEDULED)

  // Assignments
  driverId        String?
  driver          Driver?     @relation(fields: [driverId], references: [id], onDelete: SetNull)
  vehicleId       String?
  vehicle         Vehicle?    @relation(fields: [vehicleId], references: [id], onDelete: SetNull)

  // Master/child event hierarchy (shared activity → transport legs)
  masterEventId   String?
  masterEvent     ScheduleEvent?  @relation("EventHierarchy", fields: [masterEventId], references: [id], onDelete: SetNull)
  childEvents     ScheduleEvent[] @relation("EventHierarchy")

  // Metadata
  notes           String?     @db.Text

  // Reminder tracking
  reminder20MinSent Boolean   @default(false)
  reminder5MinSent  Boolean   @default(false)

  createdAt       DateTime    @default(now())
  updatedAt       DateTime    @updatedAt
  deletedAt       DateTime?   // Soft delete

  @@map("schedule_events")
  @@index([driverId])
  @@index([vehicleId])
  @@index([startTime, endTime])
  @@index([status])
}

enum EventType {
  TRANSPORT
  MEETING
  EVENT
  MEAL
  ACCOMMODATION
}

enum EventStatus {
  SCHEDULED
  IN_PROGRESS
  COMPLETED
  CANCELLED
}

// ============================================
// Signal Messaging
// ============================================

model SignalMessage {
  id              String           @id @default(uuid())
  driverId        String
  driver          Driver           @relation(fields: [driverId], references: [id], onDelete: Cascade)
  direction       MessageDirection
  content         String           @db.Text
  timestamp       DateTime         @default(now())
  isRead          Boolean          @default(false)
  signalTimestamp String?          // Signal's message timestamp for deduplication

  @@map("signal_messages")
  @@index([driverId])
  @@index([driverId, isRead])
  @@index([timestamp])
}

enum MessageDirection {
  INBOUND   // Message from driver
  OUTBOUND  // Message to driver
}

// ============================================
// PDF Settings (Singleton)
// ============================================

model PdfSettings {
  id String @id @default(uuid())

  // Branding
  organizationName String  @default("VIP Coordinator")
  logoUrl          String? @db.Text // Base64 data URL or external URL
  accentColor      String  @default("#2c3e50") // Hex color
  tagline          String?

  // Contact Info
  contactEmail          String  @default("contact@example.com")
  contactPhone          String  @default("555-0100")
  secondaryContactName  String?
  secondaryContactPhone String?
  contactLabel          String  @default("Questions or Changes?")

  // Document Options
  showDraftWatermark         Boolean  @default(false)
  showConfidentialWatermark  Boolean  @default(false)
  showTimestamp              Boolean  @default(true)
  showAppUrl                 Boolean  @default(false)
  pageSize                   PageSize @default(LETTER)

  // Timezone for correspondence and display (IANA timezone format)
  timezone                   String   @default("America/New_York")

  // Content Toggles
  showFlightInfo        Boolean @default(true)
  showDriverNames       Boolean @default(true)
  showVehicleNames      Boolean @default(true)
  showVipNotes          Boolean @default(true)
  showEventDescriptions Boolean @default(true)

  // Custom Text
  headerMessage String? @db.Text
  footerMessage String? @db.Text

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@map("pdf_settings")
}

enum PageSize {
  LETTER
  A4
}

// ============================================
// GPS Tracking
// ============================================

model GpsDevice {
  id                String    @id @default(uuid())
  driverId          String    @unique
  driver            Driver    @relation(fields: [driverId], references: [id], onDelete: Cascade)

  // Traccar device information
  traccarDeviceId   Int       @unique // Traccar's internal device ID
  deviceIdentifier  String    @unique // Unique ID for Traccar Client app

  // Privacy & Consent
  enrolledAt        DateTime  @default(now())
  consentGiven      Boolean   @default(false)
  consentGivenAt    DateTime?
  lastActive        DateTime? // Last location report timestamp

  // Settings
  isActive          Boolean   @default(true)

  // Location history
  locationHistory   GpsLocationHistory[]

  createdAt         DateTime  @default(now())
  updatedAt         DateTime  @updatedAt

  @@map("gps_devices")
}

model GpsLocationHistory {
  id              String    @id @default(uuid())
  deviceId        String
  device          GpsDevice @relation(fields: [deviceId], references: [id], onDelete: Cascade)

  latitude        Float
  longitude       Float
  altitude        Float?
  speed           Float?    // km/h
  course          Float?    // Bearing in degrees
  accuracy        Float?    // Meters
  battery         Float?    // Battery percentage (0-100)

  timestamp       DateTime

  createdAt       DateTime  @default(now())

  @@map("gps_location_history")
  @@index([deviceId, timestamp])
  @@index([timestamp]) // For cleanup job
}

model GpsSettings {
  id                    String   @id @default(uuid())

  // Update frequency (seconds)
  updateIntervalSeconds Int      @default(60)

  // Shift-based tracking (4AM - 1AM next day)
  shiftStartHour        Int      @default(4)  // 4 AM
  shiftStartMinute      Int      @default(0)
  shiftEndHour          Int      @default(1)  // 1 AM next day
  shiftEndMinute        Int      @default(0)

  // Data retention (days)
  retentionDays         Int      @default(30)

  // Traccar credentials
  traccarAdminUser      String   @default("admin")
  traccarAdminPassword  String?  // Encrypted or hashed

  createdAt             DateTime @default(now())
  updatedAt             DateTime @updatedAt

  @@map("gps_settings")
}