package test

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"testing"

	"xy_sh/pkg/crypto"
)

// 测试配置（需与服务器配置一致）
var (
	testSM4Key  = []byte("1234567890123456")
	testSM3Salt = []byte("default_sm3_salt")
	testBaseURL = "http://localhost:8080"
)

// TestOrderCreate 模拟卡券/直充权益下单接口请求
func TestOrderCreate(t *testing.T) {
	// 1. 构造业务参数
	bizReq := map[string]interface{}{
		"actCode":      "ACT001",
		"goodsCode":    "123456",
		"actOrderNum":  "00001",
		"account":      "19912345678",
		"callbackUrl":  "https://xxx/notice",
	}

	// 2. 序列化并加密
	bizJSON, _ := json.Marshal(bizReq)
	encryptedData, err := crypto.SM4CBCEncrypt(bizJSON, testSM4Key)
	if err != nil {
		t.Fatalf("SM4加密失败: %v", err)
	}

	// 3. 生成签名
	timestamp := crypto.GenerateTimestampMillis()
	sign := crypto.GenerateSign(timestamp, encryptedData, testSM3Salt)

	// 4. 构造请求体
	reqBody := map[string]string{
		"encryptedData": encryptedData,
	}
	reqBodyJSON, _ := json.Marshal(reqBody)

	// 5. 发送HTTP请求
	req, err := http.NewRequest("POST", testBaseURL+"/api/order/create", bytes.NewReader(reqBodyJSON))
	if err != nil {
		t.Fatalf("创建请求失败: %v", err)
	}
	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("timestamp", timestamp)
	req.Header.Set("sign", sign)

	client := &http.Client{}
	resp, err := client.Do(req)
	if err != nil {
		t.Fatalf("发送请求失败: %v", err)
	}
	defer resp.Body.Close()

	// 6. 读取响应
	respBody, _ := io.ReadAll(resp.Body)
	fmt.Printf("响应状态码: %d\n", resp.StatusCode)
	fmt.Printf("响应体: %s\n", string(respBody))

	// 7. 解析响应
	var apiResp struct {
		Code int             `json:"code"`
		Msg  string          `json:"msg"`
		Data json.RawMessage `json:"data"`
	}
	if err := json.Unmarshal(respBody, &apiResp); err != nil {
		t.Fatalf("解析响应失败: %v", err)
	}

	if apiResp.Code != 0 {
		t.Fatalf("请求失败: code=%d, msg=%s", apiResp.Code, apiResp.Msg)
	}

	// 8. 解密响应数据
	if len(apiResp.Data) > 0 {
		// data 是字符串（加密后的数据）
		var encryptedDataStr string
		if err := json.Unmarshal(apiResp.Data, &encryptedDataStr); err != nil {
			t.Fatalf("解析加密数据失败: %v", err)
		}
		plaintext, err := crypto.SM4CBCDecrypt(encryptedDataStr, testSM4Key)
		if err != nil {
			t.Fatalf("解密响应数据失败: %v", err)
		}
		fmt.Printf("解密后业务数据: %s\n", string(plaintext))
	}

	t.Log("下单接口测试通过")
}