package iscs_sys

import (
	"joylink.club/ecs"
	"joylink.club/ecs/filter"
	"joylink.club/rtsssimulation/component"
)

// FanSystem 风机
type FanSystem struct {
	query *ecs.Query
}

// NewFanSystem 风机系统
func NewFanSystem() *FanSystem {
	return &FanSystem{
		query: ecs.NewQuery(filter.Contains(component.UidType, component.FanDeviceType, component.DeviceExceptionType)),
	}
}
func (s *FanSystem) Update(w ecs.World) {
	s.query.Each(w, func(entry *ecs.Entry) {
		//fanId := component.UidType.Get(entry).Id
		fan := component.FanDeviceType.Get(entry)
		fan.Forward = fan.Fs.OnForward()
		//fmt.Printf("==>>风机[%s] forward=%t speed=%f fan-switch=%d\n", fanId, fan.Forward, fan.Speed, fan.Fs)
		//
		speed := fan.Speed + s.calculateAc(fan, entry)*float32(w.Tick())
		//
		if speed <= 0 {
			fan.Speed = 0
		} else {
			switch {
			case entry.HasComponent(component.CommonFanTag): //一般风机(3000 r/min)
				{
					if speed > 3000 {
						speed = 3000
					}
				}
			case entry.HasComponent(component.SoftStartFanTag): //软启风机(100 r/min)
				{
					if speed > 100 {
						speed = 100
					}
				}
			case entry.HasComponent(component.HighLowSpeedFanTag): //双速风机(Low 2000 r/min ; High 7000 r/min)
				{
					highMode := component.FanHighLowSpeedModeType.Get(entry).HighMode
					if highMode { //高速模式
						if speed > 7000 {
							speed = 7000
						}
					} else { //低速模式
						if speed > 2000 {
							speed = 2000
						}
					}
				}
			case entry.HasComponent(component.FcBypassFanTag):
				//变频旁路风机
				//电机转速与变频器频率关系 计算公式：n=60f/p（其中n是同步转速，f是频率，P是磁极对数）
				//变频器的额定输出频率一般为0-100HZ
				//假设风机磁极对数为1，则n=60f
				{
					fcUnit := component.FanFcUnitType.Get(entry)
					SPEED := 60 * float32(fcUnit.F) //当前频率目标转速
					if speed > SPEED {
						speed = SPEED
					}
				}
			}
			//
			fan.Speed = speed
		}
	})
}

// 计算风机加速度
func (s *FanSystem) calculateAc(fan *component.FanDevice, fanEntry *ecs.Entry) float32 {
	//大于0加速，小于0减速
	ac := float32(0)
	//
	softStart := false
	if fanEntry.HasComponent(component.FanSoftStartUnitType) {
		softStart = component.FanSoftStartUnitType.Get(fanEntry).SoftStart
	}
	//
	if fan.Fs.On() { //电源---正转或反转启动
		if softStart {
			ac = 0.02 // r/ms
		} else {
			ac = 1.5 // r/ms
		}
	} else { //电源关闭
		ac = -3 // r/ms
	}
	return ac
}