package com.emotionmuseum.controller;

import com.emotionmuseum.dto.Result;
import com.emotionmuseum.dto.auth.LoginRequest;
import com.emotionmuseum.dto.auth.LoginResponse;
import com.emotionmuseum.dto.auth.RegisterRequest;
import com.emotionmuseum.service.AuthService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.validation.Valid;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

/**
 * 认证控制器
 * 
 * @author emotion-museum
 * @version 1.0.0
 * @since 2024-01-01
 */
@RestController
@RequestMapping("/auth")
@Tag(name = "认证管理", description = "用户认证相关接口")
@Slf4j
public class AuthController {

    @Autowired
    private AuthService authService;

    /**
     * 用户登录
     */
    @PostMapping("/login")
    @Operation(summary = "用户登录", description = "用户登录接口")
    public Result<LoginResponse> login(@Valid @RequestBody LoginRequest request) {
        log.info("用户登录请求: {}", request.getUsername());
        return authService.login(request);
    }

    /**
     * 用户注册
     */
    @PostMapping("/register")
    @Operation(summary = "用户注册", description = "用户注册接口")
    public Result<String> register(@Valid @RequestBody RegisterRequest request) {
        log.info("用户注册请求: {}", request.getUsername());
        return authService.register(request);
    }

    /**
     * 用户登出
     */
    @PostMapping("/logout")
    @Operation(summary = "用户登出", description = "用户登出接口")
    public Result<String> logout(HttpServletRequest request) {
        String token = extractToken(request);
        log.info("用户登出请求");
        return authService.logout(token);
    }

    /**
     * 刷新令牌
     */
    @PostMapping("/refresh")
    @Operation(summary = "刷新令牌", description = "刷新访问令牌")
    public Result<String> refreshToken(@RequestParam String refreshToken) {
        log.info("刷新令牌请求");
        return authService.refreshToken(refreshToken);
    }

    /**
     * 验证令牌
     */
    @GetMapping("/validate")
    @Operation(summary = "验证令牌", description = "验证访问令牌是否有效")
    public Result<Boolean> validateToken(HttpServletRequest request) {
        String token = extractToken(request);
        boolean isValid = authService.validateToken(token);
        return Result.success("令牌验证完成", isValid);
    }

    /**
     * 从请求中提取令牌
     */
    private String extractToken(HttpServletRequest request) {
        String bearerToken = request.getHeader("Authorization");
        if (bearerToken != null && bearerToken.startsWith("Bearer ")) {
            return bearerToken.substring(7);
        }
        return null;
    }
}