import { ApiProperty } from '@nestjs/swagger';
import { Booking } from '../../entity/booking.entity';
import { UserResponseDto } from './user.response.dto';
import { PaginationResponseMetaDto } from './pagination.response.meta.dto';

export class BookingResponseDto {
  @ApiProperty()
  id: number;

  @ApiProperty()
  eventId: number;

  @ApiProperty()
  occurrenceStartTime: Date; // ISO String for the client

  @ApiProperty({ required: false })
  notes?: string;

  @ApiProperty()
  reservedSeatsCount: number;

  @ApiProperty({ nullable: true })
  canceledAt?: string;

  @ApiProperty({ nullable: true })
  createdAt?: string; // ISO String for the client

  // Flattened User Info (Avoid sending the whole User object)
  @ApiProperty({
    nullable: true,
    type: UserResponseDto, // <--- Good practice to be explicit here too
  })
  user?: UserResponseDto;

  @ApiProperty({ required: false })
  status?: string;

  constructor(booking: Booking) {
    this.id = Number(booking.id); // Handle BigInt conversion
    this.eventId = Number(booking.eventId);
    this.occurrenceStartTime = booking.occurrenceStartTime;
    this.notes = booking.notes;
    this.reservedSeatsCount = booking.reservedSeatsCount;
    this.canceledAt = booking.canceledAt?.toISOString() || undefined;
    this.createdAt = booking.createdAt?.toISOString() || undefined;

    // Safety check: Only map user if relation is loaded
    if (booking.user) {
      // Assuming User entity has firstName/lastName
      this.user = new UserResponseDto(booking.user);
    }
    this.status = 'active';
    if (booking.canceledAt) {
      if (booking.canceledReason == 'customer_cancelled') {
        this.status = 'customer_cancelled';
      } else {
        this.status = 'cancelled';
      }
    }
  }
}

export class CalenderControllerGetBookingResponse {
  @ApiProperty({ type: [BookingResponseDto] })
  data: BookingResponseDto[] = [];
  @ApiProperty()
  meta: PaginationResponseMetaDto;
}