package service

import (
	"city_chips/internal/model"
	"city_chips/internal/repository"
	"city_chips/pkg/helper/obix"
	"context"
	"fmt"
	"github.com/pkg/errors"
	"github.com/spf13/viper"
	"go.uber.org/zap"
	"regexp"
	"sync"
)

type IntelligentBuildingControlService interface {
	GetIntelligentBuildingControl(ctx context.Context, id int64) (*model.IntelligentBuildingControl, error)
	GetPoint(conds map[string]any, pageNum, pageSize int) (*[]model.Point, int64, error)
	GetPointType() ([]string, error)
	DeviceType() ([]string, error)
	DeviceCount() (int64, error)
	GetDevices(conds map[string]any, pageNum, pageSize int) (map[string]any, int64, error)
}

func NewIntelligentBuildingControlService(
	service *Service,
	intelligentBuildingControlRepository repository.IntelligentBuildingControlRepository,
	conf *viper.Viper,
) IntelligentBuildingControlService {
	return &intelligentBuildingControlService{
		Service:                              service,
		intelligentBuildingControlRepository: intelligentBuildingControlRepository,
		conf:                                 conf,
	}
}

type intelligentBuildingControlService struct {
	*Service
	intelligentBuildingControlRepository repository.IntelligentBuildingControlRepository
	conf                                 *viper.Viper
}

// DeviceCount 获取设备总数
func (s *intelligentBuildingControlService) DeviceCount() (int64, error) {
	//TODO implement me
	count, err := s.intelligentBuildingControlRepository.DeviceCount()
	if err != nil {
		return 0, err
	}
	return count, nil
}

// DeviceType 获取设备类型
func (s *intelligentBuildingControlService) DeviceType() ([]string, error) {
	//TODO implement me
	poions, err := s.intelligentBuildingControlRepository.DeviceType()
	if err != nil {
		return nil, err
	}
	return poions, nil
}

// GetPointType 获取点位类型
func (s *intelligentBuildingControlService) GetPointType() ([]string, error) {
	poions, err := s.intelligentBuildingControlRepository.GetPointType()
	if err != nil {
		return nil, err
	}
	return poions, nil
}

// GetPoint 获取点位列表
func (s *intelligentBuildingControlService) GetPoint(conds map[string]any, pageNum, pageSize int) (*[]model.Point, int64, error) {
	points, total, err := s.intelligentBuildingControlRepository.GetPoint(conds, pageNum, pageSize)
	if err != nil {
		return &[]model.Point{}, 0, err
	}
	return points, total, err
}

func (s *intelligentBuildingControlService) GetIntelligentBuildingControl(ctx context.Context, id int64) (*model.IntelligentBuildingControl, error) {
	return s.intelligentBuildingControlRepository.GetIntelligentBuildingControl(ctx, id)
}

// GetDevices 获取设备列表（支持设备 & 点位双重并发）
func (s *intelligentBuildingControlService) GetDevices(conds map[string]any, pageNum, pageSize int) (map[string]any, int64, error) {
	var total int64
	baseUrl := s.conf.GetString("obix.baseUrl")
	device := make(map[string]any)
	list, total, err := s.intelligentBuildingControlRepository.GetPopintList(conds, pageNum, pageSize)
	if err != nil {
		return nil, 0, errors.New("获取设备列表失败")
	}

	var wg sync.WaitGroup
	var mu sync.Mutex // 保护 device 的写入
	var all *[]model.Point
	for _, v := range list {
		wg.Add(1)
		go func(deviceName string) {
			defer wg.Done()

			all, err = s.intelligentBuildingControlRepository.GetPointAll(map[string]any{"device_name": deviceName})
			if err != nil {
				s.logger.Error("获取设备点位列表失败", zap.String("device", deviceName), zap.Error(err))
				return
			}

			m := make(map[string]any)
			var innerWg sync.WaitGroup
			var innerMu sync.Mutex // 保护 m 的写入

			for _, vl := range *all {
				innerWg.Add(1)
				go func(vl model.Point) {
					defer innerWg.Done()

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

					re := regexp.MustCompile(`val="([^"]+)"`)
					matches := re.FindStringSubmatch(request)
					if len(matches) > 1 {
						key := model.PointName[vl.PointName]
						if key != "" {
							value := matches[1]
							switch val := obix.DetectType(value).(type) {
							case int:
								innerMu.Lock()
								m[key] = val
								innerMu.Unlock()
							case float64:
								innerMu.Lock()
								m[key] = fmt.Sprintf("%.2f", val)
								innerMu.Unlock()
							case bool:
								innerMu.Lock()
								if val {
									m[key] = "是"
								} else {
									m[key] = "否"
								}
								innerMu.Unlock()
							default:
								innerMu.Lock()
								m[key] = value
								innerMu.Unlock()
							}
						}
					} else {
						s.logger.Warn("未找到 val 值", zap.String("url", url))
					}
				}(vl)
			}

			innerWg.Wait()

			mu.Lock()
			device[deviceName] = m
			mu.Unlock()
		}(v)
	}

	wg.Wait()
	return device, total, nil
}