package user

import (
	"context"
	"demo/configs"
	"demo/share"
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/mojocn/base64Captcha"
	"github.com/spf13/cast"
	"log"
	"net/http"
	"regexp"
	"time"
)

var ctx = context.Background()

func UserRouth(engine *gin.RouterGroup) {
	user := engine.Group("/user")
	{
		user.POST("/login", login)
		user.POST("sendSms", SendVerificationCode)

		user.GET("/captcha", VerificationCode)
	}
}
func VerificationCode(c *gin.Context) {

	// 配置
	driver := base64Captcha.NewDriverDigit(80, 240, 4, 0.5, 80)
	store := base64Captcha.DefaultMemStore
	captcha := base64Captcha.NewCaptcha(driver, store)

	// 生成验证码
	id, b64s, answer, err := captcha.Generate()
	if err != nil {
		c.JSON(500, gin.H{"error": err.Error()})
		return
	}
	fmt.Println(answer)
	err = configs.RedisDb.Set(ctx, "VerificationCode_"+id, answer, 0).Err()
	if err != nil {
		fmt.Println(err)
	}
	err = configs.RedisDb.Expire(ctx, "VerificationCode_"+id, 60*time.Second).Err()
	if err != nil {
		panic(err)
	}
	// 返回验证码图片
	c.JSON(200, gin.H{
		"message": "获取成功!!!",
		"expires": time.Now().Add(time.Minute * 5).Unix(),
		"code":    200,
		"data":    map[string]string{"id": id, "image": b64s},
	})

}
func login(c *gin.Context) {
	data := share.GetJsonAnyParam(c)
	var user configs.User
	var err error
	username, _ := data("username")
	password, _ := data("password")
	// 定义正则表达式
	regexPattern := `^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$`

	// 编译正则表达式
	reg, err := regexp.Compile(regexPattern)
	if err != nil {
		fmt.Println("Error compiling regex:", err)
		return
	}
	matched := reg.MatchString(cast.ToString(username))

	user, err = logins(cast.ToString(username), cast.ToString(password), matched)

	if err == nil {
		token, err := share.GenerateToken(cast.ToString(user.Id))
		if err == nil {
			c.Header("auth-sign", token)
			c.JSON(http.StatusOK, gin.H{
				"code":    200,
				"message": "成功!!!",
			})
		} else {
			c.JSON(http.StatusOK, gin.H{
				"code":    400,
				"message": "生成token失败!!!",
			})
		}
	} else {
		c.JSON(http.StatusOK, gin.H{
			"code":    401,
			"message": "用户密码错误!!!",
		})
	}
}

// SendVerificationCode
func SendVerificationCode(c *gin.Context) {
	data := share.GetJsonAnyParam(c)
	var err error
	username, _ := data("username")
	code, _ := data("code")
	codeId, _ := data("codeId")
	val, err := configs.RedisDb.Get(ctx, cast.ToString(codeId)).Result()
	if err != nil {
		log.Fatal(err)
	}
	if val != cast.ToString(code) {
		c.JSON(200, gin.H{"code": 400, "message": "验证码错误!!!"})
		c.Abort()
		return
	}
	// 定义正则表达式
	regexPattern := `^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$`

	// 编译正则表达式
	reg, err := regexp.Compile(regexPattern)
	if err != nil {
		fmt.Println("Error compiling regex:", err)
		return
	}
	matched := reg.MatchString(cast.ToString(username))
	sendSms(matched, cast.ToString(username))
	c.JSON(200, gin.H{"code": 200, "message": "发送成功!!!"})
}