import {
    Body,
    Controller,
    Delete,
    Get,
    HttpCode,
    HttpStatus,
    Param,
    Patch,
    Post,
    UseGuards,
    UsePipes,
    ValidationPipe,
} from '@nestjs/common';
import { AuthenticatedGuard } from '../../guards/authenticated.guard';
import { Roles } from '../../guards/decorators/roles.decorator';
import { HasRoleGuard } from '../../guards/has-role.guard';
import { Role } from '../../shared/model/Role';
import { IScheinExam } from '../../shared/model/Scheinexam';
import { ScheinexamDTO } from './scheinexam.dto';
import { ScheinexamService } from './scheinexam.service';

@Controller('scheinexam')
export class ScheinexamController {
    constructor(private readonly scheinexamService: ScheinexamService) {}

    @Get()
    @UseGuards(AuthenticatedGuard)
    async getAllScheinexams(): Promise<IScheinExam[]> {
        const scheinexams = await this.scheinexamService.findAll();

        return scheinexams.map((exam) => exam.toDTO());
    }

    @Post()
    @UseGuards(HasRoleGuard)
    @Roles(Role.ADMIN, Role.EMPLOYEE)
    @UsePipes(ValidationPipe)
    async createScheinexam(@Body() dto: ScheinexamDTO): Promise<IScheinExam> {
        const scheinexam = await this.scheinexamService.create(dto);

        return scheinexam;
    }

    @Get('/:id')
    @UseGuards(AuthenticatedGuard)
    async getScheinexam(@Param('id') id: string): Promise<IScheinExam> {
        const scheinexam = await this.scheinexamService.findById(id);

        return scheinexam.toDTO();
    }

    @Patch('/:id')
    @UseGuards(HasRoleGuard)
    @Roles(Role.ADMIN, Role.EMPLOYEE)
    @UsePipes(ValidationPipe)
    async updateScheinexam(
        @Param('id') id: string,
        @Body() dto: ScheinexamDTO
    ): Promise<IScheinExam> {
        const scheinexam = await this.scheinexamService.update(id, dto);

        return scheinexam;
    }

    @Delete('/:id')
    @HttpCode(HttpStatus.NO_CONTENT)
    @UseGuards(HasRoleGuard)
    @Roles(Role.ADMIN, Role.EMPLOYEE)
    async deleteScheinexam(@Param('id') id: string): Promise<void> {
        await this.scheinexamService.delete(id);
    }
}