--时间缩放
local TimeScaleSystem = {}
local private = {}

local LuaConst=LuaConst
local FP=FP
local _tsTempV1 = FP.newV1(1)
local _tsTemp2V1 = FP.newV1(1)
local _tsTemp3V1 = FP.newV1(1)
local pairs=pairs
--[[
	Tick
--]]
function TimeScaleSystem.OnLogicUpdate(entity)
    local comp_TimeScale = entity.components.timeScale
    
    --计时
    local needChangeScale = false
    local ignoreSound = false
    local count = 0
    local timeScaleChannel = nil
    for id, updateData in pairs(comp_TimeScale.AddTimeScaleList) do
        if updateData.Time > 0 then
            updateData.Time = updateData.Time - LuaConst.TimeSpanMs
            if updateData.Time <= 0 and updateData.Actived then
                needChangeScale = true
                updateData.Actived = false
                count = count + 1
                local curIgnoreSound = updateData.BreakType == LuaConst.TimeScaleBreakType.HitFly or updateData.BreakType == LuaConst.TimeScaleBreakType.HitBreak
                if count == 1 then
                    ignoreSound = curIgnoreSound
                end
                ignoreSound = ignoreSound and curIgnoreSound

                if timeScaleChannel == nil then
                    timeScaleChannel = updateData.TimeScaleChannel
                elseif timeScaleChannel ~= updateData.TimeScaleChannel then
                    --这里为了方便，如果出现了多channel的情况，就刷新所有channel
                    timeScaleChannel = LuaConst.ETimeScaleChannel.ALL
                end
            end
        end
    end

    if needChangeScale then
        SystemManager.OnRefreshTimeScale(comp_TimeScale, entity ,ignoreSound,timeScaleChannel)
    end
end

--[[
	添加时间缩放
--]]
function TimeScaleSystem.AddTimeScale(entity, id, scale, time, breakType,timeScaleChannel)
    local comp_TimeScale = entity.components.timeScale
    timeScaleChannel = timeScaleChannel or LuaConst.ETimeScaleChannel.ALL
    comp_TimeScale.AddTimeScaleList[id] = 
    {
        Actived = true,
        AddTimeScale = scale,
        Time = time,
        BreakType = breakType,
        TimeScaleChannel = timeScaleChannel,
    }
    local ignoreSound = breakType == LuaConst.TimeScaleBreakType.HitBreak or breakType == LuaConst.TimeScaleBreakType.HitFly
    SystemManager.OnRefreshTimeScale(comp_TimeScale,entity ,ignoreSound,timeScaleChannel)
end

--[[
	删去时间缩放
--]]
function TimeScaleSystem.DeleteTimeScale(entity, id)
    local comp_TimeScale = entity.components.timeScale
    if comp_TimeScale.AddTimeScaleList[id] == nil then
        return
    end

    local breakType = comp_TimeScale.AddTimeScaleList[id].BreakType
    local timeScaleChannel = comp_TimeScale.AddTimeScaleList[id].TimeScaleChannel
    local ignoreSound = breakType == LuaConst.TimeScaleBreakType.HitBreak or breakType == LuaConst.TimeScaleBreakType.HitFly
    comp_TimeScale.AddTimeScaleList[id] = nil
    SystemManager.OnRefreshTimeScale(comp_TimeScale,entity,ignoreSound,timeScaleChannel)
end

function TimeScaleSystem.DeleteAllTimeScale(entity)
    local addTimeScaleList = entity.components.timeScale.AddTimeScaleList -- 【？？？】这个玩意明明是个Dic，不知道为啥要命名为List。而且key是数字和string混合的
    if addTimeScaleList then
        local sortedIdList = {}
        for k,v in pairs(addTimeScaleList) do
            sortedIdList[#sortedIdList + 1] = k
        end
        table.sort(sortedIdList, function(a,b)
            return tostring(a) < tostring(b) --AddTimeScaleList的key是数字和string混合的
        end)
        for i,id in ipairs(sortedIdList) do
            TimeScaleSystem.DeleteTimeScale(entity, id)
        end
    end
end

--[[

]]--
function TimeScaleSystem.OnBreakTimeScale(entity, toBreak, breakType)
    local comp_TimeScale = entity.components.timeScale
    local needChangeScale = false
    if toBreak then
        needChangeScale = private.DoBreakTimeScale(comp_TimeScale, breakType)
    else 
        needChangeScale = private.CancelBreakTimeScale(comp_TimeScale, breakType) 
    end
    if needChangeScale then
        local ignoreSound = breakType == LuaConst.TimeScaleBreakType.HitBreak or breakType == LuaConst.TimeScaleBreakType.HitFly
        SystemManager.OnRefreshTimeScale(comp_TimeScale,entity ,ignoreSound,LuaConst.ETimeScaleChannel.ALL)
    end
    
end

--[[
	时间缩放真实生效
--]]
function TimeScaleSystem.ExecuteChangeTimeScale(comp_TimeScale, addScale)
    _tsTempV1:Reset(1)
    _tsTemp2V1:Reset(1)--LuaConst.ETimeScaleChannel.ALL的timeScale
    _tsTemp3V1:Reset(1)--LuaConst.ETimeScaleChannel.ALL的timeScale
    for key,addData in pairs(comp_TimeScale.AddTimeScaleList) do
        if addData.Actived then
            if addData.TimeScaleChannel == LuaConst.ETimeScaleChannel.ALL then      --预期不会再有细分了
                _tsTempV1:Mul(addData.AddTimeScale)
                _tsTemp2V1:Mul(addData.AddTimeScale)
                _tsTemp3V1:Mul(addData.AddTimeScale)
            elseif addData.TimeScaleChannel == LuaConst.ETimeScaleChannel.MISSILE or addData.TimeScaleChannel == LuaConst.ETimeScaleChannel.EFFECT then
                _tsTemp2V1:Mul(addData.AddTimeScale)
            elseif addData.TimeScaleChannel == LuaConst.ETimeScaleChannel.SKILL_ANIM_SOUND_ENTITY_POS_ROT then
                _tsTemp3V1:Mul(addData.AddTimeScale)
            end
        end        
    end
    comp_TimeScale:ResetCurTimeScale(_tsTempV1)
    comp_TimeScale:ResetMissileTimeScale(_tsTemp2V1)
    comp_TimeScale:ResetEffectTimeScale(_tsTemp2V1)
    comp_TimeScale:ResetSkillAnimSoundEntityPosRotTimeScale(_tsTemp3V1)
end

function private.DoBreakTimeScale(comp_TimeScale, breakType)
    local needChangeScale = false
    for id,addData in pairs( comp_TimeScale.AddTimeScaleList) do
        if addData.Actived and addData.BreakType == breakType then
            addData.Actived = false
            needChangeScale = true
        end                
    end        
    return needChangeScale
end

function private.CancelBreakTimeScale(comp_TimeScale, breakType)

    local needChangeScale = false
    for k,addData in pairs( comp_TimeScale.AddTimeScaleList) do
        if (not addData.Actived) and addData.Time >= 0 and addData.BreakType == breakType then
            addData.Actived = true;
            needChangeScale = true;
        end
    end
    return needChangeScale
end
    
return TimeScaleSystem