local ExpSoundComponent = class("ExpSoundComponent")
local EventSystem = require('Event/EventSystem')

local tempV1 = FP.newV1(0)

function ExpSoundComponent:initialize(expEntity)
    self.ExpEntity = expEntity
    self.modelSoundDic = nil--{} -- 字典：保存对应的模型，剩余的事件 。 key = ModelSoundData.ID ,value = true    
    self.isRegistHpEvent = false --标记是否注册了事件
    self.lastHpPercent = 1
    self:SetCacheData()
end

function ExpSoundComponent:OnModelChange()
    self:SetCacheData()
end

function ExpSoundComponent:SetCacheData()
    local entity = self.ExpEntity.Entity
    local modelSoundData = entity.components.base.CurModelSoundData
    if modelSoundData then -- 有声音数据才注册事件
        if not self.isRegistHpEvent and #modelSoundData.HPPercent > 0 then
            EventSystem.Regist(entity.Event_EntityIDHPChanged, self.OnHPChange, self)
            self.isRegistHpEvent = true
        end
        
        self.curModelD = entity.components.base.CurModelData.ID        
        self.curModelSoundData = modelSoundData
        if self.modelSoundDic == nil then
            self.modelSoundDic = {}
        end
        if self.modelSoundDic[self.curModelD] == nil then -- 已经使用过的模型不要改数据
            local hpPercent = FP.tonumberV1(entity.components.attr:HitPointPercents(tempV1))
            local hpList = {}
            local soundStrList = {}
            for i,hp in ipairs(modelSoundData.HPPercent) do
                if hp * 0.01 <= hpPercent then -- 加这个判断目的：防止变身后播放高血量的声音。如：变身后剩余20%血，变身配置了80%声音，掉血时这个声音就播放了。
                    table.insert(hpList,hp*0.01)
                    table.insert(soundStrList,modelSoundData.HPSound[i])
                end
            end
            self.modelSoundDic[self.curModelD] = {hpPercentList = hpList, soundList = soundStrList, isLoop = modelSoundData.HPSoundIsLoop}
        end
    end
    
end

function ExpSoundComponent:OnHPChange(entity)
    local hpPercent = FP.tonumberV1(self.ExpEntity.Entity.components.attr:HitPointPercents(tempV1))
    local toUnRegist = true
    for id, info in pairs(self.modelSoundDic) do
        local hpList = info.hpPercentList
        local count = #hpList
        for i = count, 1, -1 do
            local hp = hpList[i]
            if hp >= hpPercent and hp < self.lastHpPercent then
                if self.curModelD == id then -- 只播放当前模型的声音 ，其他模型的只处理数据，不播放
                    CTL.Sound.PlayObjSound(info.soundList[i],self.ExpEntity.RenderEntity)
                end
                if not info.isLoop then
                    table.remove(hpList,i)
                    table.remove(info.soundList,i)
                end
            end
        end
        if #hpList ~= 0 then
            toUnRegist = false
        end
    end
    if self.isRegistHpEvent and toUnRegist then
        self.isRegistHpEvent = false
        EventSystem.UnRegist(entity.Event_EntityIDHPChanged, self.OnHPChange, self)        
    end
    self.lastHpPercent = hpPercent
end

function ExpSoundComponent:OnFastPlayOver()
    if self.curModelSoundData then
        local toUnRegist = true
        local hpPercent = FP.tonumberV1(self.ExpEntity.Entity.components.attr:HitPointPercents(tempV1))
        for id, info in pairs(self.modelSoundDic) do
            if not info.isLoop then
                local hpList = info.hpPercentList
                local count = #hpList
                for i = count, 1, -1 do
                    local hp = hpList[i]
                    if hp >= hpPercent then
                        table.remove(hpList,i)
                        table.remove(info.soundList,i)
                    end
                end
                if #hpList ~= 0 then
                    toUnRegist = false
                end
            end
        end
        if self.isRegistHpEvent and toUnRegist then
            self.isRegistHpEvent = false
            EventSystem.UnRegist(self.ExpEntity.Entity.Event_EntityIDHPChanged, self.OnHPChange, self)
        end
    end
end


function ExpSoundComponent:Unload()
    if self.isRegistHpEvent then
        EventSystem.UnRegist(self.ExpEntity.Entity.Event_EntityIDHPChanged, self.OnHPChange, self)
    end
    self.modelSoundDic = nil
end
return ExpSoundComponent