local UIPrefabObject = require "app/bf/unity/uiprefab_object"

local BattleHelper = {}

function BattleHelper:init()
	self.isClear = false
	self.characterPools = {}
	self.characterMap = {}
    self.buffEffectPool = {}
    self.battleEffectTextMap = {}
    self.battleEffectTextPool = {}
    self.seed = tonumber(tostring(os.time()):reverse():sub(1,6))
end

function BattleHelper:setTimeScale(timeScale)
    if self.effectMap then
        for k, effect in pairs(self.effectMap) do
            effect:setTimeScale(timeScale)
        end
    end
    if self.characterMap then
        for k, character in pairs(self.characterMap) do
            character:setTimeScale(timeScale)
        end
    end
end

function BattleHelper:random(min, max)
    self.seed = (self.seed*9301 + 49297)%233280
    return min + self.seed*(max - min + 1)//233280
end

function BattleHelper:loadBattleHeroModel(id, parent, callback)
    local pool = self.characterPools[id]
    if pool and #pool > 0 then
        local spineObject = table.remove(pool)
        spineObject:setActive(true)
        if self.characterMap then
            self.characterMap[spineObject:getInstanceID()] = spineObject
        end
        local timeScale = DataManager.BattleData:getTimeScale()
        spineObject:setTimeScale(timeScale)
        callback(spineObject)
    else
        SpineManager:loadHeroAsync(id, parent, function(spineObject)
            spineObject:setDefaultMix(0)
            if self.characterMap then
                self.characterMap[spineObject:getInstanceID()] = spineObject
                local timeScale = DataManager.BattleData:getTimeScale()
                spineObject:setTimeScale(timeScale)
                callback(spineObject)
            end
        end)
    end
end

function BattleHelper:recycleBattleHeroModel(modelId, character)
    if character:isDestroyed() then
		return
	end
    character:setActive(false)
    if self.characterMap then
        self.characterMap[character:getInstanceID()] = nil
    end
    if self.characterPools then
        local pool = self.characterPools[modelId]
        if pool == nil then
            pool = {}
            self.characterPools[modelId] = pool
        end
        table.insert(pool, character)
    end
end

function BattleHelper:setEffectTextCache(effectTextCache)
    self.effectTextCache = effectTextCache
end

function BattleHelper:getEffectText(parent)
    if #self.battleEffectTextPool <= 0 then
        local prefab = CS.UnityEngine.Object.Instantiate(self.effectTextCache:getGameObject())
        local prefabObject = UIPrefabObject:create()
		prefabObject:initWithPrefab(self.effectTextCache:getAssetPath(), prefab)
		prefabObject:initPrefabHelper()
        prefabObject:getTransform():SetAsLastSibling()
        prefabObject:setParent(parent, false)
        local comp = prefabObject:addLuaComponent(GConst.BattleConst.TYPEOF_LUA_COMP.BATTLE_NUMBER_COMPONENT)
        comp:setEnabled(true)
		return comp
	else
		local effectComp = table.remove(self.battleEffectTextPool)
		effectComp:setEnabled(true)
		effectComp.baseObject:getTransform():SetAsLastSibling()
		self.battleEffectTextMap[effectComp.baseObject:getInstanceID()] = effectComp
		return effectComp
	end
end

function BattleHelper:recycleEffectText(comp)
	if comp:isDestroyed() then
		return
	end
    comp:setEnabled(false)
	table.insert(self.battleEffectTextPool, comp)
	if self.battleEffectTextMap then
        self.battleEffectTextMap[comp.baseObject:getInstanceID()] = nil
    end
end

function BattleHelper:getBuffEffect()
    if #self.buffEffectPool > 0 then
        return table.remove(self.buffEffectPool)
    end
    return {}
end

function BattleHelper:recycleBuffEffect(buffEffect)
    table.insert(self.buffEffectPool, buffEffect)
end

function BattleHelper:clear()
	self.isClear = true
	self.characterPools = nil
	self.characterMap = nil
    self.effectTextCache = nil
    self.buffEffectPool = nil
    self.battleEffectTextMap = nil
    self.battleEffectTextPool = nil
end

return BattleHelper