--- @class BusyLevelItem
local LevelItem = {}
local Reactive = require("Core.Reactive")
local RoleUtils = require("GamePlay.Utils.RoleUtils")
local GameplayUtils = require("GamePlay.Utils")
local KismetSystemLibrary = import("KismetSystemLibrary")

--[[

Begin Object Class=/Script/BlueprintGraph.K2Node_CallFunction Name="K2Node_CallFunction_0" ExportPath="/Script/BlueprintGraph.K2Node_CallFunction'/Game/Blueprint/Bp_BusyCharacter.Bp_BusyCharacter:EventGraph.K2Node_CallFunction_0'"
   bIsPureFunc=True
   FunctionReference=(MemberParent="/Script/CoreUObject.Class'/Script/Engine.KismetSystemLibrary'",MemberName="IsValid")
   NodePosX=416
   NodePosY=576
   NodeGuid=FAEC35AE4921EA704624228C12C6567F
   CustomProperties Pin (PinId=560B26AF426C21B8AC88EDB90990EDF1,PinName="self",PinFriendlyName=NSLOCTEXT("K2Node", "Target", "Target"),PinToolTip="Target\nKismet System Library Object Reference",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject="/Script/CoreUObject.Class'/Script/Engine.KismetSystemLibrary'",PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,DefaultObject="/Script/Engine.Default__KismetSystemLibrary",PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=5F3C3BC8429FA25D9B78099F2107C098,PinName="Object",PinToolTip="Object\nObject Reference",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject="/Script/CoreUObject.Class'/Script/CoreUObject.Object'",PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=True,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=5C7188354FCB6B61DE0AC8A14D6E3EEC,PinName="ReturnValue",PinToolTip="Return Value\nBoolean\n\nReturn true if the object is usable : non-null and not pending kill",Direction="EGPD_Output",PinType.PinCategory="bool",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,DefaultValue="false",AutogeneratedDefaultValue="false",PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object


]]

function LevelItem:ReceiveBeginPlay()
    self.Super:ReceiveBeginPlay()
    self:SetLevelItemID(self.CurrentItemID)
    self.world = self:GetWorld()
end

function LevelItem:ReceiveLevelItemSetted(Config)
    self.config = Config
    self.PickBar.Widget:BindLevelItem(self)

    print("LevelItem:ReceiveLevelItemSetted", KismetSystemLibrary.IsValid(self))


    self.attribute_watcher = Reactive.Watcher(function()
        if self.LuaLevelItemAttribute.Health <= 0 then
            self:GenerateDropItems()
            local location = self:K2_GetActorLocation()
            location.Z = -1000
            self:K2_SetActorLocation(location, false, nil, false)
            self:SetLifeSpan(0.3)
            self.attribute_watcher:Destroy()
        end
    end)
end

-- function LevelItem:ReceiveDamage(value)
--     local remain = self.proxy.RemainProcess - value
--     if remain > 0 then
--         self.proxy.RemainProcess = remain
--         return true
--     else
--         self.proxy.RemainProcess = 0
--         self:SetLifeSpan(0.3)
--         return false
--     end
-- end

function LevelItem:GenerateDropItems()
    local BusyActorManagerSubSystem = import("BusyActorManagerSubSystem").Get(self.world)
    local role = RoleUtils.GetRole(self)
    local role_location = role:K2_GetActorLocation()
    local curr_location = self:K2_GetActorLocation()

    local collection_config = GameplayUtils.GetItemConfigByID(self.CurrentItemID)

    local generated_dict = {}
    for _, config in pairs(collection_config.DropConfigs) do
        local base = 0
        local seed = math.random()
        for _, rate in pairs(config.configs) do
            local min = base
            local max = base + rate.Rate
            if seed >= min and seed < max then
                generated_dict[config.ItemID] = rate.Count
                break
            end
            base = max
        end

    end

    for item_id, count in pairs(generated_dict) do
        for _ = 1, count do
            local reward = BusyActorManagerSubSystem:SpawnLevelItemReward(self)

            reward.Movement.speed = 300.0
            reward.Movement.accelerate = 600.0
            reward.Movement.direction = {
                X = curr_location.X - role_location.X,
                Y = curr_location.Y - role_location.Y
            }
            reward:SetRewardID(item_id)
        end
    end



end


-- 接口
function LevelItem:GetPickProcess()
    local process = self.LuaLevelItemAttribute.Health / self.config.PickTimeCost
    print("current process", process)
    return process
end


function LevelItem:GetPickCost()
    return self.LevelItemConfig.PickHungerCost
end

function LevelItem:IsAlive()
    return self.LuaLevelItemAttribute.Health > 0
end

function LevelItem:GetItemID()
    return self.CurrentItemID
end


return Class(nil, nil, LevelItem)