backend/src/admin/admin.controller.ts

import {
  Controller,
  Post,
  Get,
  Put,
  Delete,
  Param,
  Body,
  UseGuards,
  Query,
} from '@nestjs/common';
import { AdminService } from './admin.service';
import { CreateCourseDto } from './dto/create-course.dto';
import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
import { RolesGuard } from '../auth/guards/roles.guard';
import { Roles } from '../auth/decorators/roles.decorator';
import { UserRole } from '../entities/user.entity';

@Controller('api/admin')
@UseGuards(JwtAuthGuard, RolesGuard)
@Roles(UserRole.ADMIN)
export class AdminController {
  constructor(private readonly adminService: AdminService) {}

  @Post('courses')
  async createCourse(@Body() createCourseDto: CreateCourseDto) {
    const data = await this.adminService.createCourse(createCourseDto);
    return { success: true, data };
  }

  @Put('courses/:id')
  async updateCourse(
    @Param('id') id: string,
    @Body() updateData: Partial<CreateCourseDto>,
  ) {
    const data = await this.adminService.updateCourse(Number(id), updateData);
    return { success: true, data };
  }

  @Delete('courses/:id')
  async deleteCourse(@Param('id') id: string) {
    await this.adminService.deleteCourse(Number(id));
    return { success: true };
  }

  @Get('orders')
  async getOrders() {
    const data = await this.adminService.getOrders();
    return { success: true, data };
  }

  @Get('statistics')
  async getStatistics(
    @Query('startDate') startDate?: string,
    @Query('endDate') endDate?: string,
  ) {
    const data = await this.adminService.getStatistics(startDate, endDate);
    return { success: true, data };
  }

  @Get('statistics/details')
  async getStatisticsDetails(
    @Query('type') type: string,
    @Query('startDate') startDate?: string,
    @Query('endDate') endDate?: string,
  ) {
    const data = await this.adminService.getStatisticsDetails(type, startDate, endDate);
    return { success: true, data };
  }
}