-----------------
--英雄：电炎绝手
--技能：电光火石
--键位：Q
--类型：指向地点
--作者：Halcyon
-----------------
local X = {}
local bot = GetBot()

local J = require( GetScriptDirectory()..'/FunLib/jmz_func')
local U = require( GetScriptDirectory()..'/AuxiliaryScript/Generic')

--初始数据
local ability = bot:GetAbilityByName('snapfire_scatterblast')
local nKeepMana, nMP, nHP, nLV, hEnemyHeroList, hAlleyHeroList, aetherRange;

nKeepMana = 500 --魔法储量
nLV = bot:GetLevel(); --当前英雄等级
nMP = bot:GetMana()/bot:GetMaxMana(); --目前法力值/最大法力值（魔法剩余比）
nHP = bot:GetHealth()/bot:GetMaxHealth();--目前生命值/最大生命值（生命剩余比）
hEnemyHeroList = bot:GetNearbyHeroes(1600, true, BOT_MODE_NONE);--1600范围内敌人
hAlleyHeroList = bot:GetNearbyHeroes(1600, false, BOT_MODE_NONE);--1600范围内队友

--获取以太棱镜施法距离加成
local aether = J.IsItemAvailable("item_aether_lens");
if aether ~= nil then aetherRange = 250 else aetherRange = 0 end
    
--初始化函数库
U.init(nLV, nMP, nHP, bot);

--技能释放功能
function X.Release(castTarget)
    if castTarget ~= nil then
        X.Compensation() 
        bot:ActionQueue_UseAbilityOnLocation( ability, castTarget ) --使用技能
    end
end

--补偿功能
function X.Compensation()
    J.SetQueuePtToINT(bot, true)--临时补充魔法，使用魂戒
end

--技能释放欲望
function X.Consider()

	-- 确保技能可以使用
    if ability == nil
	   or ability:IsNull()
       or not ability:IsFullyCastable()
	then 
		return BOT_ACTION_DESIRE_NONE, 0; --没欲望
	end
	
	-- Get some of its values
	local nRadius    = ability:GetSpecialValueInt('end_radius');
	local nCastRange = ability:GetSpecialValueInt( 'range' );
	local nCastPoint = ability:GetCastPoint();
	local nManaCost  = ability:GetManaCost();
	local nDamage    = ability:GetAbilityDamage();
	
	local tableNearbyEnemyHeroes = bot:GetNearbyHeroes( nCastRange, true, BOT_MODE_NONE );
	local nEnemysHeroesInView = bot:GetNearbyHeroes( 1600, true, BOT_MODE_NONE );
	
	
	--if we can kill any enemies
	for _,npcEnemy in pairs(tableNearbyEnemyHeroes)
	do
		if J.CanCastOnNonMagicImmune(npcEnemy) 
		   and J.CanKillTarget(npcEnemy, nDamage, DAMAGE_TYPE_MAGICAL) 
		then
			return BOT_ACTION_DESIRE_HIGH, npcEnemy:GetLocation();
		end
	end
	 
	if J.IsFarming(bot) and bot:GetMana() > 150
	then
		local npcTarget = J.GetProperTarget(bot);
		if J.IsValid(npcTarget)
		   and npcTarget:GetTeam() == TEAM_NEUTRAL
		   and npcTarget:GetMagicResist() < 0.4
		then
			local locationAoE = bot:FindAoELocation( true, false, bot:GetLocation(), nCastRange, nRadius, 0, 0 );
			if ( locationAoE.count >= 2 ) 
			then
				return BOT_ACTION_DESIRE_HIGH, locationAoE.targetloc;
			end
		end
	end	
	
	-- If we're seriously retreating, see if we can land a stun on someone who's damaged us recently
	if J.IsRetreating(bot)
	then
		local locationAoE = bot:FindAoELocation( true, true, bot:GetLocation(), nCastRange - 100, nRadius, 0, 0 );
		if ( locationAoE.count >= 2  ) 
		then
			return BOT_ACTION_DESIRE_LOW, locationAoE.targetloc;
		end
		if J.IsValidHero(tableNearbyEnemyHeroes[1]) 
			and J.CanCastOnNonMagicImmune(tableNearbyEnemyHeroes[1])
			and J.IsInRange(bot,tableNearbyEnemyHeroes[1],nCastRange - 100)
		then
			return BOT_ACTION_DESIRE_HIGH, tableNearbyEnemyHeroes[1]:GetLocation();
		end
	end
	
	if ( bot:GetActiveMode() == BOT_MODE_ROSHAN  ) 
	then
		local npcTarget = bot:GetAttackTarget();
		if ( J.IsRoshan(npcTarget) and J.IsInRange(npcTarget, bot, nCastRange)  )
		then
			return BOT_ACTION_DESIRE_HIGH, npcTarget:GetLocation();
		end
	end
	
	if ( J.IsPushing(bot) or J.IsDefending(bot) or J.IsFarming(bot)) 
	    and J.IsAllowedToSpam(bot, nManaCost *0.3)
		and bot:GetLevel() >= 6 
		and #nEnemysHeroesInView == 0
	then
		local laneCreepList = bot:GetNearbyLaneCreeps(nCastRange, true);
		local allyHeroes  = bot:GetNearbyHeroes(1000,true,BOT_MODE_NONE);
		if #laneCreepList >= 2 
		   and #allyHeroes <= 2 
		   and J.IsValid(laneCreepList[1])
		   and not laneCreepList[1]:HasModifier("modifier_fountain_glyph")
		then
			local locationAoE = bot:FindAoELocation( true, false, bot:GetLocation(), nCastRange, nRadius, 0, nDamage );
			if ( locationAoE.count >= 2 and #laneCreepList >= 2  and bot:GetLevel() < 25 and #allyHeroes == 1) 
			then
				return BOT_ACTION_DESIRE_HIGH, locationAoE.targetloc;
			end
			local locationAoE = bot:FindAoELocation( true, false, bot:GetLocation(), nCastRange, nRadius, 0, 0 );
			if ( locationAoE.count >= 4 and #laneCreepList >= 4  ) 
			then
				return BOT_ACTION_DESIRE_HIGH, locationAoE.targetloc;
			end
		end
	end
	
	if J.IsInTeamFight(bot, 1200)
	then
		local locationAoE = bot:FindAoELocation( true, true, bot:GetLocation(), nCastRange, nRadius - 30, 0, 0 );
		if ( locationAoE.count >= 2 ) 
		then
			return BOT_ACTION_DESIRE_HIGH, locationAoE.targetloc;
		end
		
		local npcMostDangerousEnemy = nil;
		local nMostDangerousDamage = 0;				
		for _,npcEnemy in pairs( tableNearbyEnemyHeroes )
		do
			if  J.IsValid(npcEnemy)
				and J.IsInRange(npcTarget, bot, nCastRange) 
			    and J.CanCastOnNonMagicImmune(npcEnemy) 
			then
				local npcEnemyDamage = npcEnemy:GetEstimatedDamageToTarget( false, bot, 3.0, DAMAGE_TYPE_PHYSICAL );
				if ( npcEnemyDamage > nMostDangerousDamage )
				then
					nMostDangerousDamage = npcEnemyDamage;
					npcMostDangerousEnemy = npcEnemy;
				end
			end
		end
		
		if ( npcMostDangerousEnemy ~= nil )
		then
			return BOT_ACTION_DESIRE_HIGH, npcMostDangerousEnemy:GetExtrapolatedLocation(nCastPoint);
		end		
	end

	-- If we're going after someone
	if J.IsGoingOnSomeone(bot)
	then
		local npcTarget = J.GetProperTarget(bot);
		if J.IsValidHero(npcTarget) 
		   and J.CanCastOnNonMagicImmune(npcTarget) 
		   and J.IsInRange(npcTarget, bot, nCastRange - 100) 
		then
			return BOT_ACTION_DESIRE_HIGH, npcTarget:GetExtrapolatedLocation(nCastPoint);
		end
	end
	
	if bot:GetLevel() < 18
	then
		local laneCreepList = bot:GetNearbyLaneCreeps(nCastRange, true);
		local allyHeroes  = bot:GetNearbyHeroes(1000,true,BOT_MODE_NONE);
		if #laneCreepList >= 3 
		   and #allyHeroes < 3
		   and J.IsValid(laneCreepList[1])
		   and not laneCreepList[1]:HasModifier("modifier_fountain_glyph")
		then
			local locationAoE = bot:FindAoELocation( true, false, bot:GetLocation(), nCastRange, nRadius, 0, nDamage );
			if ( locationAoE.count >= 3 and #laneCreepList >= 3  ) 
			then
				return BOT_ACTION_DESIRE_HIGH, locationAoE.targetloc;
			end
		end
	end
	
	return BOT_ACTION_DESIRE_NONE, 0;
	
end

return X;