package middleware

import (
	db "Medical_ERP/common/initialize"
	"Medical_ERP/models"
	"encoding/json"
	"fmt"
	"github.com/go-basic/uuid"
	"gogs.baozhida.cn/zoie/OAuth-core/pkg/jwtauth/beegouser"
	"strconv"
	"strings"
	"time"

	adapter "github.com/beego/beego/v2/adapter"
	"github.com/beego/beego/v2/adapter/context"
	context2 "github.com/beego/beego/v2/server/web/context"
)

type OperationLogDetailed struct {
	Input       string `json:"input"`
	Data        string `json:"data"`
	Path        string `json:"path"`
	Method      string `json:"method"`
	Ip          string `json:"ip"`
	Username    string `json:"username"`
	RequestTime string `json:"request_time"`
}

// LogMiddle 中间件
var filterLog = func(ctx *context.Context) {
	if ctx.Input.URL() != "/api/home/chart" && ctx.Input.URL() != "/api/home/list" {

		var name, username string
		//非登录接口从token中获取用户name
		if len(ctx.Request.Header["Authorization"]) != 0 {
			username = beegouser.GetUserName((*context2.Context)(ctx))
		}
		//获取url类型
		urlKey := strings.Replace(ctx.Input.URL(), "/", "_", -1)
		//传递name
		detailedStruct := getRequestDetailed(ctx)
		detailedStruct.Username = username
		detailedJsonByte, err := json.Marshal(detailedStruct) //转换成JSON返回的是byte[]
		if err != nil {
			fmt.Println(err.Error())
		}
		//组合描述
		describe := name + "-send:" + detailedStruct.Path
		var uuid = uuid.New()
		logData := models.OperationLog{
			ID:       uuid,
			UrlKey:   urlKey,
			Describe: describe,
			DataID:   "",
			Detailed: string(detailedJsonByte),
		}
		if err := db.DB.Create(&logData).Error; err != nil {
			fmt.Println("log insert fail")
		}
	}

}

// 获取请求详细数据
func getRequestDetailed(ctx *context.Context) *OperationLogDetailed {
	var jsonDataMap map[string]interface{}
	_ = json.Unmarshal(ctx.Input.RequestBody, &jsonDataMap)

	// 将 JSON 对象压缩为字节切片
	compressedData, _ := json.Marshal(jsonDataMap)

	//获取起始时间
	startTime := ctx.Request.Header.Get("req_start_time")
	//string转int
	startTimeInt, _ := strconv.Atoi(startTime)
	reqTimeInt := int(time.Now().UnixNano()/1e6) - startTimeInt
	var detailedStruct OperationLogDetailed
	detailedStruct.Input = string(compressedData)
	detailedStruct.Path = ctx.Input.URL()
	detailedStruct.Method = ctx.Request.Method
	detailedStruct.Ip = ctx.Input.IP()
	detailedStruct.RequestTime = strconv.Itoa(reqTimeInt)
	return &detailedStruct

}

// 将开始时间放入cookie
var getStartTime = func(ctx *context.Context) {
	startTime := time.Now().UnixNano() / 1e6
	startTimeStr := strconv.FormatInt(startTime, 10)
	ctx.Request.Header.Set("req_start_time", startTimeStr)
}

func LogMiddle() {
	adapter.InsertFilter("/*", adapter.FinishRouter, filterLog, false)
	adapter.InsertFilter("/*", adapter.BeforeRouter, getStartTime, false)
}