package handler

import (
	"city_chips/internal/model"
	"city_chips/internal/service"
	"city_chips/pkg/helper/obix"
	"city_chips/pkg/helper/resp"
	"encoding/json"
	"fmt"
	"go.uber.org/zap"
	"math/rand"
	"regexp"
	"sync"
	"time"

	"github.com/spf13/viper"

	"github.com/gin-gonic/gin"
)

type IntelligentBuildingControlHandler struct {
	*Handler
	intelligentBuildingControlService service.IntelligentBuildingControlService
	conf                              *viper.Viper
}

func NewIntelligentBuildingControlHandler(
	handler *Handler,
	intelligentBuildingControlService service.IntelligentBuildingControlService,
	conf *viper.Viper,
) *IntelligentBuildingControlHandler {
	return &IntelligentBuildingControlHandler{
		Handler:                           handler,
		intelligentBuildingControlService: intelligentBuildingControlService,
		conf:                              conf,
	}
}

// 智能楼宇控制系统

// 示例：创建一个报警记录
func generateAlarm() model.AlarmList {
	return model.AlarmList{
		Id:           rand.Intn(100),
		Name:         model.GetRandomItem(model.DeviceNames),
		State:        rand.Intn(2), // 假设0为正常，1为报警
		Date:         time.Now().Format("2006-01-02 15:04:05"),
		Location:     model.GetRandomItem(model.Locations),
		AlarmContent: model.GetRandomItem(model.AlarmContents),
	}
}
func (h *IntelligentBuildingControlHandler) GetIntelligentBuildingControl(ctx *gin.Context) {
	m := make(map[string]any)
	var device []model.AlarmList
	for i := 0; i < 20; i++ {
		alarm := generateAlarm()
		device = append(device, alarm)
	}
	count, err := h.intelligentBuildingControlService.DeviceCount()
	if err != nil {
		resp.HandleError(ctx, 1201, "查询设备总数失败", nil)
		return
	}
	m["DeviceCount"] = count          //设备总数
	m["StopState"] = rand.Intn(100)   //停止状态
	m["RunState"] = rand.Intn(100)    //运行状态
	m["FaultState"] = rand.Intn(1000) //故障状态
	m["DeviceList"] = device          //设备列表
	resp.HandleSuccess(ctx, m)
}

func (h *IntelligentBuildingControlHandler) GetPoint(ctx *gin.Context) {
	pointName := ctx.PostForm("pointName")
	deviceType := ctx.PostForm("deviceType")
	building := ctx.PostForm("building")
	floor := ctx.PostForm("floor")
	section := ctx.PostForm("section")
	device_name := ctx.PostForm("deviceName")
	conds := make(map[string]any)
	var pointType []model.PointType
	if pointName != "" {
		conds["point_name"] = pointName
	}
	if deviceType != "" {
		conds["device_type"] = deviceType
	}
	if building != "" {
		conds["building"] = building
	}
	if floor != "" {
		conds["floor"] = floor
	}
	if section != "" {
		conds["section"] = section
	}
	if device_name != "" {
		conds["device_name"] = device_name
	}

	baseUrl := h.conf.GetString("obix.baseUrl")
	points, err := h.intelligentBuildingControlService.GetPoint(conds)
	if err != nil {
		resp.HandleError(ctx, 1201, "查询点位失败", nil)
		return
	}

	var wg sync.WaitGroup
	var mutex sync.Mutex // 保护切片并发写入
	m := make(map[string]string)
	sem := make(chan struct{}, 10) // 最大并发数为10

	for _, v := range *points {
		url := baseUrl + v.FullPath
		wg.Add(1)
		sem <- struct{}{}
		go func(url string, pointName string) {
			defer func() {
				<-sem
				wg.Done()
			}()

			request, err := obix.SendSecureRequest(url, h.conf.GetString("obix.username"), h.conf.GetString("obix.password"))
			if err != nil {
				h.logger.Error("发送请求失败", zap.Error(err))
				return
			}

			re := regexp.MustCompile(`val="([^"]+)"`)
			matches := re.FindStringSubmatch(request)

			mutex.Lock()
			defer mutex.Unlock()

			if len(matches) > 1 {
				s := model.PointName[pointName]
				m[s] = matches[1]
				pointType = append(pointType, model.PointType{Type: m})
			} else {
				h.logger.Warn("未找到 val 值", zap.String("url", url))
			}
		}(url, v.PointName)
	}

	// 等待所有协程完成
	wg.Wait()

	// 统一返回结果
	resp.HandleSuccess(ctx, pointType)
}
func (h *IntelligentBuildingControlHandler) GetGetPointSSE(ctx *gin.Context) {
	// 设置响应头
	ctx.Header("Content-Type", "text/event-stream")
	ctx.Header("Cache-Control", "no-cache")
	ctx.Header("Connection", "keep-alive")
	// 监听客户端断开连接
	conn := true
	notify := ctx.Writer.CloseNotify()
	type Response struct {
		RequestId string `protobuf:"bytes,1,opt,name=requestId,proto3" json:"requestId,omitempty"`
		Code      int32  `protobuf:"varint,2,opt,name=code,proto3" json:"code,omitempty"`
		Msg       string `protobuf:"bytes,3,opt,name=msg,proto3" json:"msg,omitempty"`
		Data      any    `json:"data"`
	}
	pointName := ctx.Query("pointName")
	deviceType := ctx.Query("deviceType")
	building := ctx.Query("building")
	floor := ctx.Query("floor")
	section := ctx.Query("section")
	device_name := ctx.Query("deviceName")
	conds := make(map[string]any)
	if pointName != "" {
		conds["point_name"] = pointName
	}
	if deviceType != "" {
		conds["device_type"] = deviceType
	}
	if building != "" {
		conds["building"] = building
	}
	if floor != "" {
		conds["floor"] = floor
	}
	if section != "" {
		conds["section"] = section
	}
	if device_name != "" {
		conds["device_name"] = device_name
	}

	baseUrl := h.conf.GetString("obix.baseUrl")

	var response Response
	for conn {
		select {
		case <-notify:
			conn = false
			fmt.Println("断开连接")
			return
		default:
			m := make(map[string]any)
			points, err := h.intelligentBuildingControlService.GetPoint(conds)
			if err != nil {
				resp.HandleError(ctx, 1201, "查询点位失败", nil)
				conn = false
			}
			for _, v := range *points {
				url := baseUrl + v.FullPath
				request, err := obix.SendSecureRequest(url, h.conf.GetString("obix.username"), h.conf.GetString("obix.password"))
				if err != nil {
					h.logger.Error("发送请求失败", zap.Error(err))
					conn = false
					return
				}
				re := regexp.MustCompile(`val="([^"]+)"`)
				matches := re.FindStringSubmatch(request)
				if len(matches) > 1 {
					s := model.PointName[v.PointName]
					if s != "" {
						value := matches[1]
						switch val := obix.DetectType(value).(type) {
						case int:
							m[s] = val
						case float64:
							m[s] = fmt.Sprintf("%.2f", val) // 保留两位小数输出
						case bool:
							if val {
								m[s] = "是"
							} else {
								m[s] = "否"
							}
						default:
							m[s] = value // 原样输出字符串
						}
					}
				} else {
					h.logger.Warn("未找到 val 值", zap.String("url", url))
					conn = false
				}
			}
			response.Code = 200
			response.RequestId = ctx.ClientIP()
			response.Msg = "success"
			response.Data = m
			res, _ := json.Marshal(&response)
			fmt.Fprintf(ctx.Writer, "data: %s\n\n", string(res))
			ctx.Writer.Flush()
			time.Sleep(10 * time.Second)
		}
	}
}

// GetPointType 获取点位类型
func (h *IntelligentBuildingControlHandler) GetPointType(ctx *gin.Context) {
	var tempS1 model.NumericPoint
	//	var xmlData = `<?xml version="1.0" encoding="UTF-8"?>
	//<real val="27.49811553955078" display="27.50 °C {ok}" unit="obix:units/celsius">
	//	<str name="facets" val="units=u:celsius;°C;(K);+273.15;" display="units=°C"/>
	//	<ref name="proxyExt" display="analogInput:1:Present Value:-1:REAL"/>
	//	<real name="out" val="27.49811553955078" display="27.50 °C {ok}"/>
	//	<ref name="tag" display="Point Tag"/>
	//</real>`
	//err2 := ctx.ShouldBindXML(&tempS1)
	//err2 := xml.Unmarshal([]byte(xmlData), &tempS1)
	//if err2 != nil {
	//	resp.HandleError(ctx, 1201, "绑定XML失败", nil)
	//	return
	//}
	request, err2 := obix.SendSecureRequest("https://10.1.201.253/obix/config/Drivers/BacnetNetwork/DDC_9B_1F_1a/points/PAU/PAU_9B_1F_1/PAUAlr1", h.conf.GetString("obix.username"), h.conf.GetString("obix.password"))
	if err2 != nil {
		resp.HandleError(ctx, 1201, "发送请求失败", nil)
		return
	}
	fmt.Println(request, "===========")
	fmt.Println(tempS1)
	points, err := h.intelligentBuildingControlService.GetPointType()
	if err != nil {
		resp.HandleError(ctx, 1201, "查询点位类型失败", nil)
		return
	}
	resp.HandleSuccess(ctx, points)
}
func (h *IntelligentBuildingControlHandler) GetDeviceType(ctx *gin.Context) {
	points, err := h.intelligentBuildingControlService.DeviceType()
	if err != nil {
		resp.HandleError(ctx, 1201, "查询设备类型失败", nil)
		return
	}
	m := make(map[string]string)
	for _, v := range points {
		m[v] = model.DeviceType[v]
	}
	resp.HandleSuccess(ctx, m)
}