import { Body, Controller, Get, Param, Patch, Post, Query, Req, UseGuards, UsePipes, ValidationPipe } from '@nestjs/common';
import { ApiBearerAuth, ApiBody, ApiOperation, ApiResponse, ApiTags } from '@nestjs/swagger';
import { AuthGuard } from 'src/auth/auth.guard';
import { RolesGuard } from 'src/guard/role.guard';
import { Roles } from 'src/guard/decorators/role.decorator';
import { CommonService } from 'src/common/common.service';
import { STAFF_ROLES, UserType } from 'src/user/schema/users.schema';
import { CategoryService } from './category.service';
import { CategoryListDto, CreateCategoryDto, UpdateCategoryDto } from './dto/category.dto';

@ApiTags('Categories')
@ApiBearerAuth('access_token')
@UseGuards(AuthGuard, RolesGuard)
@Roles(UserType.SUPER_ADMIN, ...STAFF_ROLES)
@UsePipes(new ValidationPipe({ transform: true, whitelist: true }))
@Controller('admin/categories')
export class CategoryController {
    constructor(
        private readonly categoryService: CategoryService,
        private readonly common: CommonService
    ) { }

    @Post()
    @Roles(UserType.SUPER_ADMIN, UserType.ADMIN_STAFF)
    @ApiOperation({ summary: 'Add a category' })
    @ApiBody({ type: CreateCategoryDto })
    @ApiResponse({ status: 201, description: 'Category created' })
    @ApiResponse({ status: 400, description: 'Category already exists' })
    create(@Req() req: any, @Body() dto: CreateCategoryDto) {
        return this.categoryService.create(dto, this.common.getUserLanguage(req));
    }

    @Get()
    @ApiOperation({ summary: 'List categories (filter by search and is_active)' })
    list(@Req() req: any, @Query() query: CategoryListDto) {
        return this.categoryService.list(query, this.common.getUserLanguage(req));
    }

    @Get(':id')
    @ApiOperation({ summary: 'Get a category' })
    @ApiResponse({ status: 404, description: 'Category not found' })
    getById(@Req() req: any, @Param('id') id: string) {
        return this.categoryService.getById(id, this.common.getUserLanguage(req));
    }

    @Patch(':id')
    @Roles(UserType.SUPER_ADMIN, UserType.ADMIN_STAFF)
    @ApiOperation({ summary: 'Rename a category or activate/deactivate it' })
    @ApiBody({ type: UpdateCategoryDto })
    @ApiResponse({ status: 404, description: 'Category not found' })
    update(@Req() req: any, @Param('id') id: string, @Body() dto: UpdateCategoryDto) {
        return this.categoryService.update(id, dto, this.common.getUserLanguage(req));
    }
}