local CookingBench = {}
local Utils = require("GamePlay.Utils")
local Emitter = require("Utils.Emitter")
local CookManager = require("GamePlay.CookSystem.CookManager")
local KismetSystemLibrary = import("KismetSystemLibrary")
local ESlateVisibility = import("ESlateVisibility")


--- 获取每次tick温度下降速度
local function GetCoolingRate(wco)
    return 0.5
end

--- 获取每次点火的效率
local function GetHeatingEfficiency(wco)
    return 8
end

local function GetMaxTemperature(wco)
    return 210
end

function CookingBench:ctor()
    self.is_cooking = false
    self.temperature = 0
    self.max_temperature = 200


    self.burn_timer = nil
end

function CookingBench:OnInitialized()
    self.WBP_Rabbit.OnClicked:Add(function() self:OnRabbitClicked()end)
end

function CookingBench:Construct()
    CookManager:Reset()
    self:UpdateCookState()
    self:UpdateFireState()
end


function CookingBench:Destruct()
    self.is_cooking = false
    self:UpdateFireState()
end


function CookingBench:OnRabbitClicked()
    if self.is_cooking then
        local max = GetMaxTemperature(self)
        local once = GetHeatingEfficiency(self)
        local new_value = self.temperature + once
        if new_value > max then
            self.temperature = max
        else
            self.temperature = new_value
        end
    else
        self.is_cooking = true
        self.temperature = 50

        self.burn_timer = KismetSystemLibrary.K2_SetTimerDelegate(
            slua.createDelegate(function() self:CookTick() end),
            1 / 30, true, true, 0, 0
        )
    end
    self:UpdateCookState()
    self:UpdateFireState()
end

--- 每秒30次tick
function CookingBench:CookTick()
    local drop_value = GetCoolingRate(self)
    local new_value = self.temperature - drop_value
    if new_value > 0 then
        self.temperature = new_value
        CookManager:Tick(self.temperature, 1 / 30)
    else
        self.temperature = 0
        self.is_cooking = false
        KismetSystemLibrary.K2_ClearTimerHandle(self, self.burn_timer)
        self.burn_timer = nil
    end
    self:UpdateCookState()
    self:UpdateFireState()
end

function CookingBench:UpdateCookState()
    if self.temperature > 0 then
        self.WBP_CookingProcess:BP_SetVisible(true)
        local percent = self.temperature / self.max_temperature
        self.WBP_CookingProcess.TemperatureProcess:SetPercent(percent)
    else
        self.WBP_CookingProcess:BP_SetVisible(false)
    end
end

function CookingBench:UpdateFireState()
    if self.is_cooking == true then
        self.CookingFireImg:SetVisibility(ESlateVisibility.SelfHitTestInvisible)
    else
        self.CookingFireImg:SetVisibility(ESlateVisibility.Collapsed)
    end
end


return Class(nil, nil, CookingBench)