/*
*中台api mongodb 保存请求日志
*
 */
package common

import (
	"app.yhyue.com/moapp/jybase/mongodb"
	"fmt"
	"io/ioutil"
	"log"
	"net/http"
	"regexp"
	"sync"
	"time"
)

var (
	arr = map[string][]map[string]interface{}{}
	//对map的同步
	saveLogsLock = &sync.Mutex{}
	saveCount    = map[string]int{}
	initCount    = 500
)

//添加日志
func AddMgoLogs(mgoLog mongodb.MongodbSim, r *http.Request, tableName string, ExcludeUrl []*regexp.Regexp, c int) {
	for _, v := range ExcludeUrl {
		// 过滤无意义路由日志
		if v.MatchString(r.URL.Path) {
			return
		}
	}
	if saveCount[tableName] == 0 {
		c = If(c > 0, c, initCount).(int)
		saveCount[tableName] = c
		go SaveLogTask(mgoLog, tableName)
	}
	timeNow := time.Now()
	agent := r.Header.Get("user-agent")
	ref := r.Referer()
	s_url := r.RequestURI
	md, _ := ioutil.ReadAll(r.Body)
	//md, _ := json.Marshal(r.Form)
	str := string(md)
	logs := map[string]interface{}{
		"date":      timeNow.Unix(),
		"ip":        GetIp(r),
		"refer":     ref,
		"year":      timeNow.Year(),
		"month":     timeNow.Month(),
		"day":       timeNow.Day(),
		"hour":      timeNow.Hour(),
		"minutes":   timeNow.Minute(),
		"mdescribe": str,
		"client":    agent,
		"os":        GetOS(agent),
		"browse":    GetBrowse(agent),
		"method":    r.Method,
		"url":       s_url,
		"userid":    r.Header.Get("userId"),
	}
	saveLogsLock.Lock()
	arr[tableName] = append(arr[tableName], logs)
	if len(arr[tableName]) >= saveCount[tableName] {
		tmp := arr[tableName]
		arr[tableName] = make([]map[string]interface{}, 0)
		go func(tableName string, tmp []map[string]interface{}) {
			log.Println(fmt.Sprintf("%s save..visit..log %d", tableName, len(tmp)))
			mgoLog.SaveBulk(tableName, tmp...)
		}(tableName, tmp)
	}
	saveLogsLock.Unlock()
}

//定时保存
//定时保存日志
func SaveLogTask(mgoLog mongodb.MongodbSim, tableName string) {
	CrontabByTicker(false, 5, func() {
		lock.Lock()
		if len(arr[tableName]) >= 1 {
			tmp := arr[tableName]
			arr[tableName] = make([]map[string]interface{}, 0)
			go func() {
				log.Println(fmt.Sprintf("ticker: %s save..visit..log %d", tableName, len(tmp)))
				mgoLog.SaveBulk(tableName, tmp...)
			}()
		}

		lock.Unlock()
	})
}

//定时任务
func CrontabByTicker(flag bool, c int, f func()) {
	if c == 0 {
		log.Println("定时任务参数有误：", c)
		return
	}
	//默认5分钟
	countdown := 5 * 60
	if c > 0 {
		countdown = c * 60
	}
	if flag {
		go f()
	}
	ticker := time.NewTicker(time.Duration(countdown) * time.Second)
	go func(t *time.Ticker) {
		for {
			select {
			case <-t.C:
				go f()
			}
		}
	}(ticker)
}