import { Controller, Get, Param } from '@nestjs/common';
import { UsersService } from './users.service';
import { User } from './user.entity';
import { ApiTags, ApiOperation, ApiParam, ApiResponse } from '@nestjs/swagger';

@ApiTags('Users')
@Controller('users')
export class UsersController {
  constructor(private readonly usersService: UsersService) {}

  @ApiOperation({ summary: 'Get user by username' })
  @ApiParam({ name: 'username', type: 'string', description: 'The username to look up' })
  @ApiResponse({
    status: 200,
    description: 'User found',
    type: User,
  })
  @ApiResponse({
    status: 404,
    description: 'User not found',
  })
  @Get(':username')
  async getUser(@Param('username') username: string): Promise<User | null> {
    return this.usersService.findOneByUsername(username);
  }
}