import { Controller, Get, Post, Req, Query, Headers, Param, Body, HttpException, HttpStatus, ForbiddenException, UseFilters, UsePipes, ValidationPipe, ParseIntPipe, UseGuards, SetMetadata, UseInterceptors } from '@nestjs/common';
import { CreatePostDto } from './post.dto';
import { DemoService } from './providers/demo/demo.service'
import { DemoFilter } from '../../core/filters/demo.filter'
import { DemoAuthGuard } from '../../core/guards/demo-auth.guard'
import { Roles } from '../../core/decorators/roles.decorator'
import { User } from '../../core/decorators/user.decorator'
import { LoggingInterceptor } from '../../core/interceptors/logging.interceptor'
import { TransformInterceptor } from '../../core/interceptors/transform.interceptor'
import { ErrorsInterceptor } from '../../core/interceptors/errors.interceptor'

@Controller('posts')
// @UseGuards(DemoAuthGuard)
// @UseFilters(DemoFilter)
// @ UseInterceptors(LoggingInterceptor)
export class PostsController {

    constructor(private readonly demoService: DemoService) {}

    @Get()
    @UseInterceptors(TransformInterceptor)
    @UseInterceptors(ErrorsInterceptor)
    index() {
        throw new ForbiddenException();
        // return this.demoService.findAll();
    }

    @Get(':id')
    show(@Param('id', ParseIntPipe) id) {
        console.log('typeof id:', typeof id);
        
        return {
            title: `Post ${id}`
        }
    }

    @Post()
    // @UseFilters(DemoFilter)
    @UsePipes(ValidationPipe)
    // @SetMetadata('roles', ['member', 89])
    // @Roles('member', 'tester')
    @Roles(...['member', 'tester'])
    store(@Body() post: CreatePostDto, @User('roles') roles) {
        console.log('roles:', roles)
        
        
        // throw new HttpException('没有权限！', HttpStatus.FORBIDDEN)
        // throw new ForbiddenException('没有权限！')
        this.demoService.create(post);
    }
}