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

  @@map("vips")
}

enum Department {
  OFFICE_OF_DEVELOPMENT
  ADMIN
}

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, delayed, landed, etc.
  createdAt          DateTime  @default(now())
  updatedAt          DateTime  @updatedAt

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

// ============================================
// 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

  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)

  // 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)

  // 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
}