import {
  Controller,
  Post,
  Body,
  HttpCode,
  HttpStatus,
  VERSION_NEUTRAL,
} from '@nestjs/common';
import { ApiTags, ApiOperation, ApiResponse } from '@nestjs/swagger';
import { AuthService } from './auth.service';
import { Public } from './public.decorator';
import {
  LoginDto,
  RegisterDto,
  RefreshTokenDto,
  ChangePasswordDto,
} from './dto/auth.dto';

@ApiTags('Authentication')
@Controller({ path: 'auth', version: VERSION_NEUTRAL })
export class AuthController {
  constructor(private readonly authService: AuthService) {}

  @Public()
  @Post('login')
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: 'Kullanıcı girişi' })
  @ApiResponse({ status: 200, description: 'Başarılı giriş, JWT token döner' })
  @ApiResponse({ status: 401, description: 'Geçersiz kimlik bilgileri' })
  async login(@Body() body: LoginDto) {
    return this.authService.login(body.email, body.password);
  }

  @Public()
  @Post('register')
  @HttpCode(HttpStatus.CREATED)
  @ApiOperation({ summary: 'Yeni kullanıcı kaydı' })
  @ApiResponse({ status: 201, description: 'Başarılı kayıt, JWT token döner' })
  @ApiResponse({ status: 409, description: 'E-posta zaten kayıtlı' })
  async register(@Body() body: RegisterDto) {
    return this.authService.register(body);
  }

  @Public()
  @Post('refresh')
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: 'Token yenileme' })
  @ApiResponse({ status: 200, description: 'Yeni token çifti döner' })
  @ApiResponse({ status: 401, description: 'Geçersiz refresh token' })
  async refresh(@Body() body: RefreshTokenDto) {
    return this.authService.refreshToken(body.refreshToken);
  }

  @Public()
  @Post('change-password')
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: 'Şifre değiştirme' })
  async changePassword(@Body() body: ChangePasswordDto) {
    await this.authService.changePassword(
      body.userId,
      body.oldPassword,
      body.newPassword,
    );
    return { message: 'Şifre başarıyla değiştirildi' };
  }
}