package iscs_sys

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

// ValveSystem 阀门
type ValveSystem struct {
	query *ecs.Query
}

func NewValveSystem() *ValveSystem {
	return &ValveSystem{
		query: ecs.NewQuery(filter.Contains(component.UidType, component.ValveType, component.ValveControllerType, component.TwoPositionTransformType)),
	}
}

func (s *ValveSystem) Update(w ecs.World) {
	wd := entity.GetWorldData(w)
	s.query.Each(w, func(entry *ecs.Entry) {
		valveId := component.UidType.Get(entry).Id
		valve := component.ValveType.Get(entry)
		valveController := component.ValveControllerType.Get(entry)
		position := component.TwoPositionTransformType.Get(entry)
		//
		valve.OpenRate = uint8((float64(position.Pos-consts.TwoPosMin) / float64(consts.TwoPosMax-consts.TwoPosMin)) * float64(100))
		valve.Closed = valve.OpenRate <= 0
		valve.Opened = valve.OpenRate >= 100
		valve.Moving = valve.OpenRate != valveController.TargetOpenRate
		//fmt.Printf("==>>阀门[%s],OpenRate = %d%% , 全开 = %t , 全关 = %t , Moving = %t ,Pos = %d\n", valveId, valve.OpenRate, valve.Opened, valve.Closed, valve.Moving, position.Pos)
		//
		valveModel, ok := wd.Repo.FindById(valveId).(valveModeler)
		if !ok {
			valveModel = vm
		}
		//计算速度
		speed := int32((float64(consts.TwoPosMax-consts.TwoPosMin) / float64(valveModel.MaxMoveTime())) * float64(w.Tick()))
		targetPos := int32((float64(valveController.TargetOpenRate) / float64(100)) * float64(consts.TwoPosMax-consts.TwoPosMin))
		targetLen := int32(math.Abs(float64(targetPos - position.Pos)))
		//修正尾速
		if speed > targetLen {
			speed = targetLen
		}
		if valveController.TargetOpenRate < valve.OpenRate {
			speed = -speed
		} else if valveController.TargetOpenRate == valve.OpenRate {
			speed = 0
		}
		position.Speed = speed
	})
}

var vm = &valveModelDefault{maxMoveTime: 2500}

type valveModeler interface {
	//MaxMoveTime 阀门从全关到全开或从全开到全关耗时，单位ms
	MaxMoveTime() uint16
}
type valveModelDefault struct {
	maxMoveTime uint16
}

func (v *valveModelDefault) MaxMoveTime() uint16 {
	return v.maxMoveTime
}