package handlers

import (
	"bytes"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/gin-gonic/gin"
)

// TestAuthHandlerIntegration 集成测试
func TestAuthHandlerIntegration(t *testing.T) {
	// 设置Gin为测试模式
	gin.SetMode(gin.TestMode)

	// 创建路由器
	router := gin.New()
	
	// 注册路由（这里需要根据实际的路由注册方式调整）
	// router.POST("/api/auth/register", RegisterHandler)
	// router.POST("/api/auth/login", LoginHandler)

	t.Run("Integration Test Framework", func(t *testing.T) {
		// 测试注册请求
		registerData := map[string]interface{}{
			"username": "testuser",
			"email":    "test@example.com",
			"password": "password123",
		}

		jsonData, _ := json.Marshal(registerData)
		req := httptest.NewRequest("POST", "/api/auth/register", bytes.NewBuffer(jsonData))
		req.Header.Set("Content-Type", "application/json")

		w := httptest.NewRecorder()
		router.ServeHTTP(w, req)

		// 验证响应（这里只是框架，实际需要根据具体实现调整）
		if w.Code != http.StatusOK && w.Code != http.StatusNotFound {
			t.Logf("Register request status: %d", w.Code)
		}
	})

	t.Run("Login Integration Test", func(t *testing.T) {
		// 测试登录请求
		loginData := map[string]interface{}{
			"email":    "test@example.com",
			"password": "password123",
		}

		jsonData, _ := json.Marshal(loginData)
		req := httptest.NewRequest("POST", "/api/auth/login", bytes.NewBuffer(jsonData))
		req.Header.Set("Content-Type", "application/json")

		w := httptest.NewRecorder()
		router.ServeHTTP(w, req)

		// 验证响应
		if w.Code != http.StatusOK && w.Code != http.StatusNotFound {
			t.Logf("Login request status: %d", w.Code)
		}
	})

	t.Run("API Endpoint Validation", func(t *testing.T) {
		// 测试API端点是否正确配置
		req := httptest.NewRequest("GET", "/health", nil)
		w := httptest.NewRecorder()
		router.ServeHTTP(w, req)

		// 记录健康检查状态
		t.Logf("Health check status: %d", w.Code)
	})
}

// TestAPIResponseFormat 测试API响应格式
func TestAPIResponseFormat(t *testing.T) {
	gin.SetMode(gin.TestMode)

	t.Run("JSON Response Format", func(t *testing.T) {
		// 测试JSON响应格式
		response := map[string]interface{}{
			"success": true,
			"message": "操作成功",
			"data":    nil,
		}

		jsonData, err := json.Marshal(response)
		if err != nil {
			t.Errorf("JSON marshal error: %v", err)
		}

		var parsed map[string]interface{}
		err = json.Unmarshal(jsonData, &parsed)
		if err != nil {
			t.Errorf("JSON unmarshal error: %v", err)
		}

		if parsed["success"] != true {
			t.Error("Response format validation failed")
		}
	})
}

// TestErrorHandling 测试错误处理
func TestErrorHandling(t *testing.T) {
	t.Run("Error Response Structure", func(t *testing.T) {
		// 测试错误响应结构
		errorResponse := map[string]interface{}{
			"success": false,
			"message": "请求失败",
			"error":   "详细错误信息",
		}

		jsonData, err := json.Marshal(errorResponse)
		if err != nil {
			t.Errorf("Error response marshal failed: %v", err)
		}

		var parsed map[string]interface{}
		err = json.Unmarshal(jsonData, &parsed)
		if err != nil {
			t.Errorf("Error response unmarshal failed: %v", err)
		}

		if parsed["success"] != false {
			t.Error("Error response validation failed")
		}
	})
}