package taillog

import (
	"fmt"
	"logagent/etcd"
	"time"
)

var tskMgr *tailLogMgr

//tailTask管理者

type tailLogMgr struct {
	logEntry    []*etcd.LogEntry
	tskMap      map[string]*TailTask
	newConfChan chan []*etcd.LogEntry
}

func Init(logEntryConf []*etcd.LogEntry) {
	tskMgr = &tailLogMgr{
		logEntry:    logEntryConf, //把当前的日志收集项信息保存起来
		tskMap:      make(map[string]*TailTask, 32),
		newConfChan: make(chan []*etcd.LogEntry), //无缓冲区的通道
	}
	for _, logEntry := range logEntryConf {
		//logEntry: *etcd.LogEntry
		//要收集的日志文件的路径
		NewTailTask(logEntry.Path, logEntry.Topic)

	}
	go tskMgr.run()
}

// 监听自己的newConfChan 有了新的配置过来就做对应的除了

func (t *tailLogMgr) run() {
	for {
		select {
		case newConf := <-t.newConfChan:
			// 1.配置新增
			// 2.配置删除
			// 3.配置变更
			fmt.Printf("新的配置来了%v\n", newConf)
		default:
			time.Sleep(time.Second)
		}
	}
}