package svc

import (
	"cicv-data-closedloop/pji/common/cfg"
	commonEntity "cicv-data-closedloop/pji/common/ent"
	"cicv-data-closedloop/pji/common/global"
	"cicv-data-closedloop/pji/common/log"
	commonService "cicv-data-closedloop/pji/common/svc"
	"cicv-data-closedloop/pji/common/util"
	masterConfig "cicv-data-closedloop/pji/master/pkg/cfg"
	"cicv-data-closedloop/pji_msgs"
	"github.com/bluenviron/goroslib/v2"
	"github.com/bluenviron/goroslib/v2/pkg/msgs/diagnostic_msgs"
	"github.com/bluenviron/goroslib/v2/pkg/msgs/sensor_msgs"
	"github.com/bluenviron/goroslib/v2/pkg/msgs/std_msgs"
	"os"
	"sync"
)

var (
	subscriber0Mutex sync.Mutex
	subscriber1Mutex sync.Mutex
	subscriber2Mutex sync.Mutex
	subscriber3Mutex sync.Mutex
	subscriber4Mutex sync.Mutex
	subscriber5Mutex sync.Mutex
)

// PrepareTimeWindowProducerQueue 负责监听所有主题并修改时间窗口
func PrepareTimeWindowProducerQueue() {
	//log.GlobalLogger.Info("创建订阅者订阅主题", masterConfig.TopicOfOdom)
	//subscriber0, err := goroslib.NewSubscriber(goroslib.SubscriberConf{
	//	Node:  cfg.RosNode,
	//	Topic: masterConfig.TopicOfOdom,
	//	Callback: func(data *nav_msgs.Odometry) {
	//		//log.GlobalLogger.Info("话题", masterConfig.TopicOfOdom, "接收到数据", data)
	//		subscriber0Mutex.Lock()
	//		{
	//			faultHappenTime := util.GetNowTimeCustom() // 获取当前故障发生时间
	//			lastTimeWindow := util.GetLastTimeWindow() // 获取最后一个时间窗口
	//			var faultLabel string
	//			for _, f := range masterConfig.RuleOfOdom {
	//				faultLabel = f(data)
	//				if faultLabel != "" {
	//					saveTimeWindow(faultLabel, faultHappenTime, lastTimeWindow)
	//					break
	//				}
	//			}
	//		}
	//		subscriber0Mutex.Unlock()
	//	},
	//})
	//if err != nil {
	//	log.GlobalLogger.Info("创建订阅者", masterConfig.TopicOfOdom, "发生故障：", err)
	//	os.Exit(-1)
	//}
	log.GlobalLogger.Info("创建订阅者订阅主题" + masterConfig.TopicOfObstacleDetection)
	subscriber1, err := goroslib.NewSubscriber(goroslib.SubscriberConf{
		Node:  cfg.RosNode,
		Topic: masterConfig.TopicOfObstacleDetection,
		Callback: func(data *std_msgs.UInt8) {
			//log.GlobalLogger.Info("话题", masterConfig.TopicOfObstacleDetection, "接收到数据", data)
			subscriber1Mutex.Lock()
			{
				faultHappenTime := util.GetNowTimeCustom() // 获取当前故障发生时间
				lastTimeWindow := util.GetLastTimeWindow() // 获取最后一个时间窗口
				var faultLabel string
				for _, f := range masterConfig.RuleOfObstacleDetection {
					faultLabel = f(data)
					if faultLabel != "" {
						saveTimeWindow(faultLabel, faultHappenTime, lastTimeWindow)
						break
					}
				}
			}
			subscriber1Mutex.Unlock()
		},
	})
	if err != nil {
		log.GlobalLogger.Info("创建订阅者", masterConfig.TopicOfObstacleDetection, "发生故障：", err)
		os.Exit(-1)
	}
	log.GlobalLogger.Info("创建订阅者订阅主题" + masterConfig.TopicOfSysInfo)
	subscriber2, err := goroslib.NewSubscriber(goroslib.SubscriberConf{
		Node:  cfg.RosNode,
		Topic: masterConfig.TopicOfSysInfo,
		Callback: func(data *pji_msgs.SysInfo) {
			//log.GlobalLogger.Info("话题", masterConfig.TopicOfSysInfo, "接收到数据", data)
			subscriber2Mutex.Lock()
			{
				faultHappenTime := util.GetNowTimeCustom() // 获取当前故障发生时间
				lastTimeWindow := util.GetLastTimeWindow() // 获取最后一个时间窗口
				var faultLabel string
				for _, f := range masterConfig.RuleOfSysInfo {
					faultLabel = f(data)
					if faultLabel != "" {
						saveTimeWindow(faultLabel, faultHappenTime, lastTimeWindow)
						break
					}
				}
			}
			subscriber2Mutex.Unlock()
		},
	})
	if err != nil {
		log.GlobalLogger.Info("创建订阅者", masterConfig.TopicOfObstacleDetection, "发生故障：", err)
		os.Exit(-1)
	}
	log.GlobalLogger.Info("创建订阅者订阅主题" + masterConfig.TopicOfLocateInfo)
	subscriber3, err := goroslib.NewSubscriber(goroslib.SubscriberConf{
		Node:  cfg.RosNode,
		Topic: masterConfig.TopicOfLocateInfo,
		Callback: func(data *pji_msgs.LocateInfo) {
			//log.GlobalLogger.Info("话题", masterConfig.TopicOfLocateInfo, "接收到数据", data)
			subscriber3Mutex.Lock()
			{
				faultHappenTime := util.GetNowTimeCustom() // 获取当前故障发生时间
				lastTimeWindow := util.GetLastTimeWindow() // 获取最后一个时间窗口
				var faultLabel string
				for _, f := range masterConfig.RuleOfLocateInfo {
					faultLabel = f(data)
					if faultLabel != "" {
						saveTimeWindow(faultLabel, faultHappenTime, lastTimeWindow)
						break
					}
				}
			}
			subscriber3Mutex.Unlock()
		},
	})
	if err != nil {
		log.GlobalLogger.Info("创建订阅者", masterConfig.TopicOfObstacleDetection, "发生故障：", err)
		os.Exit(-1)
	}
	log.GlobalLogger.Info("创建订阅者订阅主题" + masterConfig.TopicOfImu)
	subscriber4, err := goroslib.NewSubscriber(goroslib.SubscriberConf{
		Node:  cfg.RosNode,
		Topic: masterConfig.TopicOfImu,
		Callback: func(data *sensor_msgs.Imu) {
			//log.GlobalLogger.Info("话题", masterConfig.TopicOfImu, "接收到数据", data)
			subscriber4Mutex.Lock()
			{
				faultHappenTime := util.GetNowTimeCustom() // 获取当前故障发生时间
				lastTimeWindow := util.GetLastTimeWindow() // 获取最后一个时间窗口
				var faultLabel string
				for _, f := range masterConfig.RuleOfImu {
					faultLabel = f(data)
					if faultLabel != "" {
						saveTimeWindow(faultLabel, faultHappenTime, lastTimeWindow)
						break
					}
				}
			}
			subscriber4Mutex.Unlock()
		},
	})
	if err != nil {
		log.GlobalLogger.Info("创建订阅者", masterConfig.TopicOfObstacleDetection, "发生故障：", err)
		os.Exit(-1)
	}
	log.GlobalLogger.Info("创建订阅者订阅主题" + masterConfig.TopicOfDiagnostics)
	subscriber5, err := goroslib.NewSubscriber(goroslib.SubscriberConf{
		Node:  cfg.RosNode,
		Topic: masterConfig.TopicOfDiagnostics,
		Callback: func(data *diagnostic_msgs.DiagnosticArray) {
			//log.GlobalLogger.Info("话题", masterConfig.TopicOfDiagnostics, "接收到数据", data)
			subscriber5Mutex.Lock()
			{
				faultHappenTime := util.GetNowTimeCustom() // 获取当前故障发生时间
				lastTimeWindow := util.GetLastTimeWindow() // 获取最后一个时间窗口
				var faultLabel string
				for _, f := range masterConfig.RuleOfDiagnostics {
					faultLabel = f(data)
					if faultLabel != "" {
						saveTimeWindow(faultLabel, faultHappenTime, lastTimeWindow)
						break
					}
				}
			}
			subscriber5Mutex.Unlock()
		},
	})
	if err != nil {
		log.GlobalLogger.Info("创建订阅者", masterConfig.TopicOfObstacleDetection, "发生故障：", err)
		os.Exit(-1)
	}

	select {
	case signal := <-commonService.ChannelKillSubscriber:
		if signal == 1 {
			//subscriber0.Close()
			subscriber1.Close()
			subscriber2.Close()
			subscriber3.Close()
			subscriber4.Close()
			subscriber5.Close()
			cfg.RosNode.Close()
			commonService.AddKillTimes("3")
			return
		}
	}
}

func saveTimeWindow(faultLabel string, faultHappenTime string, lastTimeWindow *commonEntity.TimeWindow) {
	masterTopics, slaveTopics := getTopicsOfNode(faultLabel)
	if lastTimeWindow == nil || util.TimeCustom1GreaterTimeCustom2(faultHappenTime, lastTimeWindow.TimeWindowEnd) {
		// 2-1 如果是不在旧故障窗口内，添加一个新窗口
		newTimeWindow := commonEntity.TimeWindow{
			FaultTime:       faultHappenTime,
			TimeWindowBegin: util.TimeCustomChange(faultHappenTime, -cfg.PlatformConfig.TaskBeforeTime),
			TimeWindowEnd:   util.TimeCustomChange(faultHappenTime, cfg.PlatformConfig.TaskAfterTime),
			Length:          cfg.PlatformConfig.TaskBeforeTime + cfg.PlatformConfig.TaskAfterTime + 1,
			Labels:          []string{faultLabel},
			MasterTopics:    masterTopics,
			SlaveTopics:     slaveTopics,
		}
		log.GlobalLogger.Info("不在旧故障窗口内，向生产者队列添加一个新窗口：", newTimeWindow)
		util.AddTimeWindowToTimeWindowProducerQueue(newTimeWindow)
	} else {
		// 2-2 如果在旧故障窗口内
		global.TimeWindowProducerQueueMutex.RLock()
		defer global.TimeWindowProducerQueueMutex.RUnlock()
		log.GlobalLogger.Info("在旧故障窗口内，更新生产者队列最新的窗口 - 开始：", lastTimeWindow)
		// 2-2-1 更新故障窗口end时间
		{
			maxEnd := util.TimeCustomChange(lastTimeWindow.TimeWindowBegin, cfg.PlatformConfig.TaskMaxTime)
			expectEnd := util.TimeCustomChange(faultHappenTime, cfg.PlatformConfig.TaskAfterTime)
			if util.TimeCustom1GreaterTimeCustom2(expectEnd, maxEnd) {
				lastTimeWindow.TimeWindowEnd = maxEnd
				lastTimeWindow.Length = cfg.PlatformConfig.TaskMaxTime
			} else {
				if util.TimeCustom1GreaterTimeCustom2(expectEnd, lastTimeWindow.TimeWindowEnd) {
					lastTimeWindow.TimeWindowEnd = expectEnd
					lastTimeWindow.Length = util.CalculateDifferenceOfTimeCustom(lastTimeWindow.TimeWindowBegin, expectEnd)
				}
			}
		}
		// 2-2-2 更新label
		{
			labels := lastTimeWindow.Labels
			lastTimeWindow.Labels = util.AppendIfNotExists(labels, faultLabel)
		}
		// 2-2-3 更新 topic
		{
			sourceMasterTopics := lastTimeWindow.MasterTopics
			lastTimeWindow.MasterTopics = util.MergeSlice(sourceMasterTopics, masterTopics)
			sourceSlaveTopics := lastTimeWindow.SlaveTopics
			lastTimeWindow.SlaveTopics = util.MergeSlice(sourceSlaveTopics, slaveTopics)
		}
		log.GlobalLogger.Info("在旧故障窗口内，更新窗口 - 结束：", *lastTimeWindow)
	}
}

func getTopicsOfNode(faultLabel string) (masterTopics []string, slaveTopics []string) {
	// 获取所有需要采集的topic
	var faultCodeTopics []string
	for _, code := range cfg.CloudConfig.Triggers {
		if code.Label == faultLabel {
			faultCodeTopics = code.Topics
		}
	}
	return faultCodeTopics, nil
	//// 根据不同节点采集的topic进行分配采集
	//for _, acceptTopic := range faultCodeTopics {
	//	for _, host := range cfg.CloudConfig.Hosts {
	//		for _, topic := range host.Topics {
	//			if host.Name == cfg.CloudConfig.Hosts[0].Name && acceptTopic == topic {
	//				masterTopics = append(masterTopics, acceptTopic)
	//			}
	//		}
	//	}
	//}
	//return masterTopics, slaveTopics
}