package entity

import (
	"fmt"
	"joylink.club/ecs"
	"joylink.club/rtsssimulation/component"
	"joylink.club/rtsssimulation/consts"
	"joylink.club/rtsssimulation/repository"
	"joylink.club/rtsssimulation/repository/model/proto"
	"log/slog"
)

// LoadSignals 加载信号机实体
func LoadSignals(w ecs.World) error {
	data := GetWorldData(w)
	signals := data.Repo.SignalList()
	for _, signal := range signals {
		groups := signal.RelayGroups()
		signalEntry := newSignalEntity(w, signal, data)
		if len(groups) == 1 { //带电路的信号机，有且只有一个组合类型，组合类型与电路有关
			group := groups[0]
			elecs := group.Components()
			//
			switch group.Code() {
			case consts.SIGNAL_2XH1:
				if le := loadSignal2xh1(w, signal, signalEntry, elecs, data.EntityMap); le != nil {
					return le
				}
			case consts.SIGNAL_3XH1:
				if le := loadSignal3xh1(w, signal, signalEntry, elecs, data.EntityMap); le != nil {
					return le
				}
			case consts.SIGNAL_3XH2:
				if le := loadSignal3xh2(w, signal, signalEntry, elecs, data.EntityMap); le != nil {
					return le
				}
			case consts.SIGNAL_3XH3:
				if le := loadSignal3xh3(w, signal, signalEntry, elecs, data.EntityMap); le != nil {
					return le
				}
			case consts.SIGNAL_3XH4:
				if le := loadSignal3xh4(w, signal, signalEntry, elecs, data.EntityMap); le != nil {
					return le
				}
			case consts.SIGNAL_JDXH:
				if le := loadSignalJdxh(w, signal, signalEntry, elecs, data.EntityMap); le != nil {
					return le
				}
			case consts.SIGNAL_DCXH:
				if le := loadSignalDcxh(w, signal, signalEntry, elecs, data.EntityMap); le != nil {
					return le
				}
			case consts.SIGNAL_JCKXH:
				if le := loadSignalJckxh(w, signal, signalEntry, elecs, data.EntityMap); le != nil {
					return le
				}
			default:
				slog.Warn(fmt.Sprintf("id=[%s]的信号机，无效组合类型[%s]", signal.Id(), group.Code()))
			}
		} else {
			slog.Debug(fmt.Sprintf("id=[%s]的信号机，没有组合类型或组合类型个数不为1", signal.Id()))
		}
	}
	return nil
}

// 新建信号机实体
func newSignalEntity(w ecs.World, signal *repository.Signal, worldData *component.WorldData) *ecs.Entry {
	uid := signal.Id()
	entry, ok := worldData.EntityMap[uid]
	if !ok {
		entry = w.Entry(w.Create(component.UidType, component.SignalTag, component.SignalLightsType))
		component.UidType.SetValue(entry, component.Uid{Id: uid})
		component.SignalLightsType.Set(entry, newSignalLightsByModel(w, signal.Model()))
		worldData.EntityMap[uid] = entry
	}
	return entry
}

// 新建灯位列表
func newSignalLights(w ecs.World, lightTags ...component.DsTag) *component.SignalLights {
	return &component.SignalLights{Lights: NewLights(w, lightTags...)}
}

// 新建灯位列表
func newSignalLightsByModel(w ecs.World, sigMt proto.Signal_Model) *component.SignalLights {
	switch sigMt {
	case proto.Signal_HLU:
		return newSignalLights(w, component.HdTag, component.LdTag, component.UdTag)
	case proto.Signal_HL:
		return newSignalLights(w, component.HdTag, component.LdTag)
	case proto.Signal_HLU_FU:
		return &component.SignalLights{Lights: []*ecs.Entry{NewLight(w, component.HdTag), NewLight(w, component.LdTag), NewLight(w, component.UdTag, component.FdTag)}}
	case proto.Signal_HLU_FL:
		return &component.SignalLights{Lights: []*ecs.Entry{NewLight(w, component.HdTag), NewLight(w, component.LdTag, component.FdTag), NewLight(w, component.UdTag)}}
	case proto.Signal_AB:
		return newSignalLights(w, component.AdTag, component.BdTag)
	case proto.Signal_HBU:
		return newSignalLights(w, component.HdTag, component.BdTag, component.UdTag)
	default:
		panic(fmt.Sprintf("根据信号机模型来创建灯位列表，暂不支持该信号机模型[%d]", sigMt))
	}
}