import { Controller, Post, Get, Patch, Delete, Body, Param, UseGuards, Request } from '@nestjs/common';
import { ProjectsService } from './projects.service';
import { Project } from './project.entity';
import { AuthGuard } from '@nestjs/passport';
import { ApiTags, ApiBearerAuth, ApiOperation, ApiParam, ApiBody, ApiResponse } from '@nestjs/swagger';

class CreateProjectDto {
  title: string;
  description?: string;
}

@ApiTags('Projects')
@ApiBearerAuth() // Все маршруты под Bearer Token (Try it out -> authorize)
@Controller('projects')
export class ProjectsController {
  constructor(private readonly projectsService: ProjectsService) {}

  @ApiOperation({ summary: 'Create new project' })
  @ApiBody({
    description: 'Project data',
    type: CreateProjectDto,
    examples: {
      example1: {
        summary: 'Simple project',
        value: {
          title: 'My project',
          description: 'Test desc',
        },
      },
    },
  })
  @ApiResponse({
    status: 201,
    description: 'Project created',
    type: Project,
  })
  @UseGuards(AuthGuard('jwt'))
  @Post('create')
  async create(@Request() req, @Body() body: CreateProjectDto): Promise<Project> {
    return this.projectsService.create({
      title: body.title,
      description: body.description,
      ownerId: req.user.userId,
    });
  }

  @ApiOperation({ summary: 'Get all projects' })
  @ApiResponse({
    status: 200,
    description: 'List of projects',
    type: Project,
    isArray: true,
  })
  @Get()
  async findAll(): Promise<Project[]> {
    return this.projectsService.findAll();
  }

  @ApiOperation({ summary: 'Get single project by ID' })
  @ApiParam({ name: 'id', type: 'number' })
  @ApiResponse({
    status: 200,
    description: 'Found project',
    type: Project,
  })
  @ApiResponse({
    status: 404,
    description: 'Project not found',
  })
  @Get(':id')
  async findOne(@Param('id') id: number): Promise<Project | null> {
    return this.projectsService.findOneById(id);
  }

  @ApiOperation({ summary: 'Update project' })
  @ApiParam({ name: 'id', type: 'number' })
  @ApiBody({
    description: 'Fields to update',
    schema: {
      properties: {
        title: { type: 'string', example: 'Updated Title' },
        description: { type: 'string', example: 'Updated desc' },
      },
    },
  })
  @ApiResponse({
    status: 200,
    description: 'Project updated',
    type: Project,
  })
  @ApiResponse({
    status: 404,
    description: 'Project not found',
  })
  @UseGuards(AuthGuard('jwt'))
  @Patch(':id')
  async update(
    @Param('id') id: number,
    @Body() data: { title?: string; description?: string },
  ): Promise<Project> {
    return this.projectsService.update(id, data);
  }

  @ApiOperation({ summary: 'Delete project' })
  @ApiParam({ name: 'id', type: 'number' })
  @ApiResponse({
    status: 200,
    description: 'Project deleted',
  })
  @ApiResponse({
    status: 404,
    description: 'Project not found',
  })
  @UseGuards(AuthGuard('jwt'))
  @Delete(':id')
  async delete(@Param('id') id: number): Promise<void> {
    return this.projectsService.delete(id);
  }
}