package priority

import (
	"os"
	"pbx-api-gin/pkg/utils"
	"strconv"
	"sync"

	"gopkg.in/ini.v1"
)

// 是否有任务正在创建
var TaskCreating = ""

var filePath = "/etc/asterisk/priority.conf"

type TaskInfo struct {
	RunChannel   string `json:"runChannel"`
	LocalChan    string `json:"localChan"`
	RunType      string `json:"runType"`
	Priority     int    `json:"priority"`
	ConfbridgeID string `json:"confbridgeID"`
	Running      bool
}

type TaskPriority struct {
	Priority int `json:"priority"`
}

type Tasks struct {
	PA     TaskPriority `json:"pa"`
	C2C    TaskPriority `json:"c2c"`
	C2P    TaskPriority `json:"c2p"`
	PADICP TaskPriority `json:"padicp"`
	PADTMS TaskPriority `json:"padtms"`
	PADOCC TaskPriority `json:"padocc"`
	PMC    TaskPriority `json:"pmc"`
	SVM    TaskPriority `json:"svm"`
	SVA    TaskPriority `json:"sva"`
	DCS    TaskPriority `json:"dcs"`
	STNA   TaskPriority `json:"stna"`
	STNS   TaskPriority `json:"stns"`
}

var AllTasks Tasks

func GetPriority() {
	utils.LoggerDebug.Printf("Init system priority !")

	_, err := os.Stat(filePath)
	if err != nil {
		utils.LoggerDebug.Printf("GetPriority err :%+v", err)
		return
	}
	iniFile, err := ini.Load(filePath)
	if err != nil {
		utils.LoggerDebug.Printf("GetPriority err :%+v", err)
		return
	}
	AllTasks.STNA.Priority, _ = strconv.Atoi(iniFile.Section("general").Key("STNA").Value())
	AllTasks.STNS.Priority, _ = strconv.Atoi(iniFile.Section("general").Key("STNS").Value())
	AllTasks.DCS.Priority, _ = strconv.Atoi(iniFile.Section("general").Key("DCS").Value())
	AllTasks.SVA.Priority, _ = strconv.Atoi(iniFile.Section("general").Key("SVA").Value())
	AllTasks.SVM.Priority, _ = strconv.Atoi(iniFile.Section("general").Key("SVM").Value())
	AllTasks.PMC.Priority, _ = strconv.Atoi(iniFile.Section("general").Key("PMC").Value())
	AllTasks.PADOCC.Priority, _ = strconv.Atoi(iniFile.Section("general").Key("PAD-OCC").Value())
	AllTasks.PADTMS.Priority, _ = strconv.Atoi(iniFile.Section("general").Key("PAD-TMS").Value())
	AllTasks.PADICP.Priority, _ = strconv.Atoi(iniFile.Section("general").Key("PAD-ICP").Value())
	AllTasks.C2C.Priority, _ = strconv.Atoi(iniFile.Section("general").Key("C2C").Value())
	AllTasks.PA.Priority, _ = strconv.Atoi(iniFile.Section("general").Key("PA").Value())
	AllTasks.C2P.Priority, _ = strconv.Atoi(iniFile.Section("general").Key("C2P").Value())

}

func GetPriorityByKey(key string) int {

	switch key {
	case "STNS":
		return AllTasks.STNS.Priority
	case "STNA":
		return AllTasks.STNA.Priority
	case "DCS":
		return AllTasks.DCS.Priority
	case "SVA":
		return AllTasks.SVA.Priority
	case "SVM":
		return AllTasks.SVM.Priority
	case "PMC":
		return AllTasks.PMC.Priority
	case "PAD-OCC":
		return AllTasks.PADOCC.Priority
	case "PAD-TMS":
		return AllTasks.PADTMS.Priority
	case "PAD-ICP":
		return AllTasks.PADICP.Priority
	case "C2C":
		return AllTasks.C2C.Priority
	case "PA":
		return AllTasks.PA.Priority
	default:
		return 0
	}
}

var checkMutex sync.Mutex

// check priority , if the running priority is lowwer than the to run priority
func CheckPriority(runType string) bool {
	utils.LoggerDebug.Printf("CheckPriority  TorunType:%s", runType)
	checkMutex.Lock()
	defer checkMutex.Unlock()

	var taskRuning TaskInfo
	//var runingtaskName string
	var ok bool

	//Get the to run priority number in the config file
	toRunpriority := GetPriorityByKey(runType)

	//获取当前优先级最高的任务信息
	_, taskRuning, ok = RegistryTask.HighestPriorityRunningTask()
	if !ok { //无其他任务正在执行
		return true
	} else {
		utils.LoggerDebug.Printf("CheckPriority  TorunType:%s 	 	toRunpriority:%d 	runingpriority:%d ", runType, toRunpriority, taskRuning.Priority)
		//if the running task priority is lowwer
		if toRunpriority < taskRuning.Priority && toRunpriority != 0 {
			return true
		}
	}

	return false
}