import { Body, Controller, Get, Param, Patch, Post, Query, UploadedFile, UseGuards, UseInterceptors } from '@nestjs/common';
import { FileInterceptor } from '@nestjs/platform-express';
import { ApiBearerAuth, ApiTags } from '@nestjs/swagger';
import { TripsService, RequestTripDto } from './trips.service';
import { TripAudioService } from './trip-audio.service';
import { TripStatus } from './entities/trip.entity';
import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
import { RolesGuard } from '../auth/guards/roles.guard';
import { Roles } from '../auth/decorators/roles.decorator';
import { CurrentUser, AuthUser } from '../auth/decorators/current-user.decorator';

@ApiTags('trips')
@ApiBearerAuth()
@UseGuards(JwtAuthGuard)
@Controller('trips')
export class TripsController {
  constructor(
    private readonly trips: TripsService,
    private readonly audio: TripAudioService,
  ) {}

  /** سرد رحلات المستأجر — للوحة الأدمن، بترشيح الحالة (docs/22 — N4). */
  @UseGuards(RolesGuard)
  @Roles('admin', 'dispatcher')
  @Get('admin/list')
  adminList(
    @CurrentUser() user: AuthUser,
    @Query('status') status?: string,
    @Query('rider') rider?: string,
  ) {
    return this.trips.listByTenant(user.tenantId, status, rider);
  }

  // الراكب يطلب رحلة
  @Post()
  request(@CurrentUser() user: AuthUser, @Body() body: RequestTripDto) {
    return this.trips.request(user.tenantId, user.userId, body);
  }

  @Get('mine')
  mine(@CurrentUser() user: AuthUser) {
    return this.trips.listForRider(user.tenantId, user.userId);
  }

  // السائق يسحب الطلبات المتاحة قربه (بديل/مكمّل للعرض المباشر)
  @Get('available')
  available(@CurrentUser() user: AuthUser) {
    return this.trips.availableForDriver(user.tenantId, user.userId);
  }

  @Get(':id')
  get(@CurrentUser() user: AuthUser, @Param('id') id: string) {
    return this.trips.get(user.tenantId, id);
  }

  // السائق يقبل الرحلة
  @Post(':id/accept')
  accept(@CurrentUser() user: AuthUser, @Param('id') id: string) {
    return this.trips.accept(user.tenantId, id, user.userId);
  }

  // تحديث الحالة (driver_arriving / driver_arrived / in_progress / completed / paid)
  @Patch(':id/status')
  status(
    @CurrentUser() user: AuthUser,
    @Param('id') id: string,
    @Body('status') status: TripStatus,
  ) {
    const actor = user.role === 'driver' ? 'driver' : 'rider';
    return this.trips.updateStatus(user.tenantId, id, status, actor);
  }

  @Post(':id/cancel')
  cancel(@CurrentUser() user: AuthUser, @Param('id') id: string) {
    const actor = user.role === 'driver' ? 'driver' : 'rider';
    return this.trips.cancel(user.tenantId, id, actor, user.userId);
  }

  // ---- التسجيل الصوتي (R2) ----

  /** رفع مقطع صوتي مرتبط بالرحلة. */
  @Post(':id/audio')
  @UseInterceptors(FileInterceptor('file', { limits: { fileSize: 50 * 1024 * 1024 } }))
  uploadAudio(
    @CurrentUser() user: AuthUser,
    @Param('id') id: string,
    @UploadedFile() file: any,
    @Body('duration_sec') durationSec?: string,
    @Body('destination_name') destName?: string,
  ) {
    const role = user.role === 'driver' ? 'driver' as const : 'rider' as const;
    return this.audio.upload(user.tenantId, id, user.userId, role, file, {
      duration_sec: durationSec ? parseInt(durationSec, 10) : undefined,
      destination_name: destName,
    });
  }

  /** كل المقاطع الصوتية للرحلة. */
  @Get(':id/audio')
  listAudio(@CurrentUser() user: AuthUser, @Param('id') id: string) {
    return this.audio.listByTrip(user.tenantId, id);
  }

  /** رابط تحميل مقطع صوتي. */
  @Get(':id/audio/:audioId')
  getAudioUrl(
    @CurrentUser() user: AuthUser,
    @Param('id') id: string,
    @Param('audioId') audioId: string,
  ) {
    return this.audio.getDownloadUrl(user.tenantId, audioId);
  }
}