import {
  Body,
  Controller,
  Get,
  Param,
  Patch,
  Post,
  UploadedFile,
  UseGuards,
  UseInterceptors,
} from '@nestjs/common';
import { FileInterceptor } from '@nestjs/platform-express';
import { ApiBearerAuth, ApiTags } from '@nestjs/swagger';
import { DocumentsService } from './documents.service';
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('documents')
@ApiBearerAuth()
@Controller()
export class DocumentsController {
  constructor(private readonly documents: DocumentsService) {}

  // ===== السائق نفسه =====
  @UseGuards(JwtAuthGuard)
  @Post('drivers/documents')
  @UseInterceptors(FileInterceptor('file'))
  upload(@CurrentUser() user: AuthUser, @UploadedFile() file: any, @Body() body: any) {
    return this.documents.uploadSelf(user.tenantId, user.userId, file, body);
  }

  @UseGuards(JwtAuthGuard)
  @Get('drivers/documents/mine')
  mine(@CurrentUser() user: AuthUser) {
    return this.documents.listMine(user.tenantId, user.userId);
  }

  // قائمة الوثائق المطلوبة وحالتها للسائق الحالي
  @UseGuards(JwtAuthGuard)
  @Get('drivers/documents/requirements')
  async myRequirements(@CurrentUser() user: AuthUser) {
    const list = await this.documents.listMine(user.tenantId, user.userId);
    const driverId = list[0]?.driver_id;
    return driverId
      ? this.documents.requirements(user.tenantId, driverId)
      : this.documents.requirements(user.tenantId, '00000000-0000-0000-0000-000000000000');
  }

  // ===== خدمة العملاء / الأدمن =====
  @UseGuards(JwtAuthGuard, RolesGuard)
  @Roles('admin', 'dispatcher')
  @Post('admin/drivers/:driverId/documents')
  @UseInterceptors(FileInterceptor('file'))
  uploadForDriver(
    @Param('driverId') driverId: string,
    @CurrentUser() user: AuthUser,
    @UploadedFile() file: any,
    @Body() body: any,
  ) {
    return this.documents.uploadForDriver(user.tenantId, driverId, file, body);
  }

  @UseGuards(JwtAuthGuard, RolesGuard)
  @Roles('admin', 'dispatcher')
  @Get('admin/drivers/:driverId/documents')
  driverDocs(@Param('driverId') driverId: string, @CurrentUser() user: AuthUser) {
    return this.documents.listByDriver(user.tenantId, driverId);
  }

  @UseGuards(JwtAuthGuard, RolesGuard)
  @Roles('admin', 'dispatcher')
  @Get('admin/drivers/:driverId/documents/requirements')
  driverRequirements(@Param('driverId') driverId: string, @CurrentUser() user: AuthUser) {
    return this.documents.requirements(user.tenantId, driverId);
  }

  @UseGuards(JwtAuthGuard, RolesGuard)
  @Roles('admin', 'dispatcher')
  @Get('admin/documents/pending')
  pending(@CurrentUser() user: AuthUser) {
    return this.documents.pending(user.tenantId);
  }

  @UseGuards(JwtAuthGuard, RolesGuard)
  @Roles('admin', 'dispatcher')
  @Patch('admin/documents/:id/review')
  review(
    @CurrentUser() user: AuthUser,
    @Param('id') id: string,
    @Body('status') status: 'approved' | 'rejected',
    @Body('note') note: string,
  ) {
    return this.documents.review(user.tenantId, id, user.userId, status, note);
  }

  @UseGuards(JwtAuthGuard, RolesGuard)
  @Roles('admin', 'dispatcher')
  @Post('admin/drivers/:driverId/face-match')
  faceMatch(@Param('driverId') driverId: string, @CurrentUser() user: AuthUser) {
    return this.documents.faceMatch(user.tenantId, driverId);
  }
}