---@class WB_PlaySong_C:UUserWidget
---@field Button_Default UButton
---@field Button_Music UButton
---@field Button_NextSong UButton
---@field Image_Prohibit UImage
---@field TextBlock_BGMName UTextBlock
--Edit Below--
local WB_PlaySong = {
    bInitDoOnce = false;
    MusicList = {};
};


function WB_PlaySong:Construct()
    WidgetLibrary.BindButtonClicked(self.Button_Music, self.OpenBGM, self)
    WidgetLibrary.BindButtonClicked(self.Button_Default, self.PlayDefaultBGM, self)
    WidgetLibrary.BindButtonClicked(self.Button_NextSong, self.NextBGM, self)
	for i, v in pairs(SoundSystem.EMusic) do
        self.MusicList[#self.MusicList + 1] = v
    end
    self.DefaultBGMType = SoundSystem.EMusic.Music14
    self:PlayBGMFromType(self.DefaultBGMType)
end


-- function WB_PlaySong:Tick(MyGeometry, InDeltaTime)

-- end

-- function WB_PlaySong:Destruct()

-- end


function WB_PlaySong:OpenBGM()
    if self.IsOpenBGM then
        self.IsOpenBGM = false
        self.Image_Prohibit:SetVisibility(ESlateVisibility.SelfHitTestInvisible)
        self:StopBGM()
    else
        self.IsOpenBGM = true
        self.Image_Prohibit:SetVisibility(ESlateVisibility.Hidden)
        self:PlayBGMFromType(self.NowBGMType)
    end
end

function WB_PlaySong:PlayDefaultBGM()
    if self.IsOpenBGM and self.DefaultBGMType then
        self:PlayBGMFromType(self.DefaultBGMType)
    else
        self.NowBGMType = self.DefaultBGMType
    end
end

function WB_PlaySong:GetNextBGM()
    local Key = table.FindKey(self.MusicList, self.NowBGMType)
    if Key then
        return self.MusicList[(Key % #self.MusicList) + 1]
    else
        return self.MusicList[1]
    end
end

function WB_PlaySong:NextBGM()
    self:PlayBGMFromType(self:GetNextBGM())
end

function WB_PlaySong:PlayBGMFromType(SoundType)
    if self.PlayingBGM then
        UGCSoundManagerSystem.StopSoundByID(self.BGMID)
    end
    self.BGMID = SoundSystem.PlaySound(SoundType)
    self.NowBGMType = SoundType
    self.PlayingBGM = true

    local MusicName = SoundSystem.MusicName[SoundType]
    if MusicName == nil then
        MusicName = "--"
    end
    self.TextBlock_BGMName:SetText(MusicName)
end

function WB_PlaySong:StopBGM()
    if self.PlayingBGM then
        UGCSoundManagerSystem.StopSoundByID(self.BGMID)
    end
    self.PlayingBGM = false
end

return WB_PlaySong;