--[[
   Copyright (c) The OpenRA Developers and Contributors
   This file is part of OpenRA, which is free software. It is made
   available to you under the terms of the GNU General Public License
   as published by the Free Software Foundation, either version 3 of
   the License, or (at your option) any later version. For more
   information, see COPYING.
]]

AtreidesMainBase = { AConYard1, AOutpost1, APalace, ARefinery1, ARefinery2, ARefinery3, AHeavyFactory1, ALightFactory1, AStarport, AHiTechFactory, AResearch, AGunt1, AGunt2, AGunt3, AGunt4, AGunt5, ARock1, ARock2, ARock3, ARock4, ABarracks1, ABarracks2, APower1, APower2, APower3, APower4, APower5, APower6, APower7, APower8, APower9, APower10, APower11, APower12, APower13, APower14 }

AtreidesSmall1Base = { AConYard2, ARefinery4, ABarracks3, AHeavyFactory2, ALightFactory2, ARepair, ARock5, ARock6, ARock7, ARock8, ARock9, APower15, APower16, APower17, APower18, APower19, APower20, APower21 }

AtreidesSmall2Base = { AOutpost2, ABarracks4, AGunt6, AGunt7, AGunt8, ARock10, APower22, APower23 }

CorrinoMainBase = { COutpost, CPalace, CRefinery1, CHeavyFactory1, CLightFactory1, CStarport, CResearch, CGunt1, CGunt2, CRock1, CRock2, CBarracks1, CPower1, CPower2, CPower3, CPower4, CPower5, CPower6, CPower7 }

CorrinoSmallBase = { CConYard, CRefinery2, CHeavyFactory2, CLightFactory2, CRock3, CRock4, CBarracks2, CPower8, CPower9, CPower10, CPower11 }

AtreidesReinforcements =
{
	easy =
	{
		{ "missile_tank", "trooper", "light_inf", "light_inf" },
		{ "quad", "light_inf", "combat_tank_a"},
		{ "light_inf", "trooper", "missile_tank" },
		{ "light_inf", "light_inf", "siege_tank" }
	},

	normal =
	{
		{ "missile_tank", "trooper", "trooper", "light_inf", "light_inf" },
		{ "quad", "trike", "combat_tank_a"},
		{ "trooper", "trooper", "missile_tank" },
		{ "light_inf", "light_inf", "light_inf", "siege_tank" },
		{ "combat_tank_a", "trike", "trike", "fremen" }
	},

	hard =
	{
		{ "missile_tank", "trooper", "trooper", "trooper", "light_inf", "light_inf" },
		{ "quad", "trike", "light_inf", "combat_tank_a"},
		{ "light_inf", "trooper", "trooper", "missile_tank" },
		{ "light_inf", "light_inf", "light_inf", "light_inf", "siege_tank" },
		{ "combat_tank_a", "trike", "trike", "fremen", "fremen" },
		{ "sonic_tank", "combat_tank_a", "combat_tank_a", "quad" }
	}
}

CorrinoStarportReinforcements =
{
	easy =
	{
		{ "sardaukar", "sardaukar", "missile_tank" },
		{ "trooper", "trooper", "siege_tank" },
		{ "sardaukar", "sardaukar", "sardaukar", "trooper", "trooper", "light_inf", "light_inf" }
	},

	normal =
	{
		{ "sardaukar", "sardaukar", "sardaukar", "missile_tank" },
		{ "trooper", "trooper", "trooper", "siege_tank" },
		{ "sardaukar", "sardaukar", "sardaukar", "trooper", "trooper", "trooper", "light_inf", "light_inf", "light_inf" }
	},

	hard =
	{
		{ "sardaukar", "sardaukar", "sardaukar", "sardaukar", "missile_tank" },
		{ "trooper", "trooper", "trooper", "trooper", "siege_tank" },
		{ "sardaukar", "sardaukar", "sardaukar", "trooper", "trooper", "trooper", "trooper", "light_inf", "light_inf", "light_inf", "light_inf" }
	}
}

AtreidesAttackDelay =
{
	easy = DateTime.Minutes(3) + DateTime.Seconds(30),
	normal = DateTime.Minutes(2) + DateTime.Seconds(30),
	hard = DateTime.Minutes(1) + DateTime.Seconds(30)
}

CorrinoStarportDelay =
{
	easy = DateTime.Minutes(10),
	normal = DateTime.Minutes(8),
	hard = DateTime.Minutes(6)
}

AtreidesAttackWaves =
{
	easy = 4,
	normal = 5,
	hard = 6
}

FremenGroupSize =
{
	easy = 2,
	normal = 4,
	hard = 6
}

InitialAtreidesReinforcements =
{
	{ "trooper", "trooper", "light_inf", "light_inf", "light_inf", "light_inf", "light_inf", "light_inf" },
	{ "trooper", "trooper", "trooper", "combat_tank_a", "combat_tank_a" },
	{ "combat_tank_a", "combat_tank_a", "quad", "quad", "trike" },
	{ "trooper", "trooper", "trooper", "trooper", "light_inf", "light_inf", "light_inf", "light_inf", "light_inf", "light_inf" },
	{ "trooper", "trooper", "trooper", "trooper", "trooper", "trooper", "combat_tank_a", "combat_tank_a" },
	{ "combat_tank_a", "quad", "quad", "trike", "trike", "trike" }
}

InitialCorrinoReinforcements = { "trooper", "trooper", "trooper", "trooper", "quad", "quad" }

AtreidesPaths =
{
	{ AtreidesEntry1.Location, AtreidesRally1.Location },
	{ AtreidesEntry2.Location, AtreidesRally2.Location },
	{ AtreidesEntry3.Location, AtreidesRally3.Location },
	{ AtreidesEntry4.Location, AtreidesRally4.Location }
}

InitialAtreidesPaths =
{
	{ AtreidesEntry5.Location, AtreidesRally5.Location },
	{ AtreidesEntry6.Location, AtreidesRally6.Location },
	{ AtreidesEntry7.Location, AtreidesRally7.Location },
	{ AtreidesEntry8.Location, AtreidesRally8.Location },
	{ AtreidesEntry9.Location, AtreidesRally9.Location },
	{ AtreidesEntry10.Location, AtreidesRally10.Location }
}

InitialCorrinoPaths =
{
	{ CorrinoEntry1.Location, CorrinoRally1.Location },
	{ CorrinoEntry2.Location, CorrinoRally2.Location }
}

HarkonnenReinforcements = {
	{ "combat_tank_h", "combat_tank_h", "siege_tank", "siege_tank", "missile_tank" },
	{ "trooper", "light_inf", "light_inf", "light_inf", "trooper", "light_inf", "trooper", "light_inf", "trooper", "light_inf", "trooper" },
	{ "trooper", "light_inf",  "quad", "trike", "quad" },
	{ "devastator", "light_inf",  "quad", "trike", "quad" },
	{ "trooper", "combat_tank_h",  "combat_tank_h", "combat_tank_h", "quad" }
}

SendStarportReinforcements = function()
	Trigger.AfterDelay(CorrinoStarportDelay[Difficulty], function()
		if CStarport.IsDead or CStarport.Owner ~= CorrinoMain then
			return
		end

		local reinforcements = Utils.Random(CorrinoStarportReinforcements[Difficulty])
		local units = Reinforcements.ReinforceWithTransport(CorrinoMain, "frigate", reinforcements, { CorrinoStarportEntry.Location, CStarport.Location + CVec.New(1, 1) }, { CorrinoStarportExit.Location })[2]
		Utils.Do(units, function(unit)
			unit.AttackMove(AtreidesAttackLocation)
			IdleHunt(unit)
		end)

		SendStarportReinforcements()
	end)
end

HarkonnenPaths =
{
	{ HarkonnenEntry.Location, HarkonnenRally.Location },
	{ AtreidesEntry3.Location, HarkonnenRally1.Location },
	{ HarkonnenEntry.Location, HarkonnenRally2.Location },
	{ AtreidesEntry3.Location, AtreidesRally3.Location },
	{ HarkonnenRally3.Location, AtreidesRally9.Location },
	{ HarkonnenRally4.Location, AtreidesRally8.Location }
}

SendHarkonnenReinforcements = function(delay, number)
	Trigger.AfterDelay(delay, function()
		Reinforcements.ReinforceWithTransport(Harkonnen, "carryall.reinforce", HarkonnenReinforcements[number], HarkonnenPaths[number], { HarkonnenPaths[number][1] })
		Trigger.AfterDelay(DateTime.Seconds(5), function()
			Media.PlaySpeechNotification(Harkonnen, "Reinforce")
		end)
	end)
end

AirStrikeTimer = 7500
AirStrikeChargeTime = 7500
AirstrikeLogic = function(airstrikeProvider)
	if airstrikeProvider.IsDead then
		return
	end

	if DateTime.GameTime <= AirStrikeTimer then
		Trigger.AfterDelay(AirStrikeTimer - DateTime.GameTime + 1, function()
			AirstrikeLogic(airstrikeProvider)
		end)
		return
	end

	-- randomly choose if wait again or strike. During waiting Airstrike can still be used by DefensiveAirStrike
	if Utils.RandomInteger(1, 100) < 30 then
		Trigger.AfterDelay(1000, function() AirstrikeLogic(airstrikeProvider)end)
	else
		AirStrikeVSBuilding(airstrikeProvider)
		Trigger.AfterDelay(7500, function() AirstrikeLogic(airstrikeProvider) end)
		IsAirstrikeReady = false
	end
end

AirStrikeVSBuilding = function(airstrikeProvider)
	if airstrikeProvider.IsDead or  DateTime.GameTime < AirStrikeTimer  then
		return
	end

	local targets = Utils.Where(Harkonnen.GetActors(), function(actor)
		return actor.HasProperty("Sell") and
			actor.Type ~= "wall" and
			actor.Type ~= "medium_gun_turret" and
			actor.Type ~= "large_gun_turret" and
			actor.Type ~= "silo" and
			actor.Type ~= "wind_trap"
	end)

	if #targets > 0 then
		airstrikeProvider.TargetAirstrike(Utils.Random(targets).CenterPosition)
		AirStrikeTimer =  DateTime.GameTime + AirStrikeChargeTime
	end
end

DefensiveAirStrike = function(airstrikeProvider, possibleTargets)
	if airstrikeProvider.IsDead or DateTime.GameTime <= AirStrikeTimer then return end
	local bestValue = {}
	local bestIndex = 1
	for i = 1, #possibleTargets, 1 do
		local ActorsInCircle = Map.ActorsInCircle(possibleTargets[i].CenterPosition, WDist.FromCells(4), function(a)
			return a.Owner == Harkonnen
				and not a.IsDead
				and a.HasProperty("Attack")
		end)

		bestValue[i] = 0
		Utils.Do(ActorsInCircle, function(a)
			bestValue[i] = bestValue[i] + Actor.Cost(a.Type)
		end)

		if bestValue[i] > bestValue[bestIndex] then
			bestIndex = i
		end
	end
		airstrikeProvider.TargetAirstrike(possibleTargets[bestIndex].CenterPosition)
		AirStrikeTimer =  DateTime.GameTime + AirStrikeChargeTime
end

EmergencyBehaviour = function(player,target)
	if player == AtreidesMain or player == AtreidesSmall1 then
		if AHiTechFactory.IsDead then return end
		local enemyunits = Map.ActorsInCircle(Map.CenterOfCell(target), WDist.FromCells(15), function(a)
			return a.Owner == Harkonnen
				and not a.IsDead
				and a.HasProperty("Attack")
		end)

		if enemyunits[1] == nil  then return end
		DefensiveAirStrike(AHiTechFactory, enemyunits)
	end

	if player == AtreidesSmall1  and #IdlingUnits[AtreidesMain] > 10 then
		local reinforcements = SetupAttackGroup(AtreidesMain, Utils.RandomInteger(10, #IdlingUnits[AtreidesMain]))
		Utils.Do(reinforcements, function(unit)
			Trigger.ClearAll(unit)
			Trigger.AfterDelay(1, function()
				unit.Stop()
				unit.Move(CorrinoPatrolPoint1.Location,1)
				unit.AttackMove(target)
				unit.CallFunc(function()
					FindTargetsInArea(player, unit)
				end)
			end)
		end)
	end

	if player == AtreidesSmall2  and #IdlingUnits[AtreidesMain] > 10 then
		CheckArea(AtreidesMain, target, 10)
	end
end

ReleaseSardaukars = true
Trigger.OnDamaged(CPalace, function(self)
	if self.Health < self.MaxHealth * 0.8 and ReleaseSardaukars then
		local index  = 0
		while index < 100 do
			index = index + 5
			Trigger.AfterDelay(index,function()
				if self.IsDead then return end
				local actor = Actor.Create("sardaukar", true, { Owner = CorrinoMain, Location = CPalace.Location + CVec.New(1,2) })
				actor.Move(CPos.New(3,31))
				IdlingUnits[CorrinoMain][#IdlingUnits[CorrinoMain] + 1] = actor
			end)
		end

		ReleaseSardaukars = false
	end
end)

BuildFremen = function()
	if APalace.IsDead or APalace.Owner ~= AtreidesMain then
		return
	end

	APalace.Produce("fremen")
	APalace.Produce("fremen")

	Trigger.AfterDelay(DateTime.Seconds(5), function()
		IdleFremen = Utils.Where(AtreidesMain.GetActorsByType('fremen'), function(actor) return actor.IsIdle end)
		if #IdleFremen >= FremenGroupSize[Difficulty] then
			SendFremen()
		end
	end)

	Trigger.AfterDelay(DateTime.Minutes(1) + DateTime.Seconds (30), BuildFremen)
end

SendFremen = function()
	Utils.Do(IdleFremen, function(freman)
		freman.AttackMove(AtreidesAttackLocation)
		IdleHunt(freman)
	end)
end

Tick = function()
	if Harkonnen.HasNoRequiredUnits() then
		AtreidesMain.MarkCompletedObjective(KillHarkonnen1)
		AtreidesSmall1.MarkCompletedObjective(KillHarkonnen2)
		AtreidesSmall2.MarkCompletedObjective(KillHarkonnen3)
		CorrinoMain.MarkCompletedObjective(KillHarkonnen4)
		CorrinoSmall.MarkCompletedObjective(KillHarkonnen5)
	end

	if AtreidesMain.HasNoRequiredUnits() and AtreidesSmall1.HasNoRequiredUnits() and AtreidesSmall2.HasNoRequiredUnits() and not Harkonnen.IsObjectiveCompleted(KillAtreides) then
		Media.DisplayMessage(UserInterface.GetFluentMessage("atreides-annihilated"), Mentat)
		Harkonnen.MarkCompletedObjective(KillAtreides)
	end

	if CorrinoMain.HasNoRequiredUnits() and CorrinoSmall.HasNoRequiredUnits() and not Harkonnen.IsObjectiveCompleted(KillCorrino) then
		Media.DisplayMessage(UserInterface.GetFluentMessage("emperor-annihilated"), Mentat)
		Harkonnen.MarkCompletedObjective(KillCorrino)
	end

	if DateTime.GameTime % DateTime.Seconds(10) == 0 and LastHarvesterEaten[AtreidesMain] then
		local units = AtreidesMain.GetActorsByType("harvester")
		if #units > 0 then
			LastHarvesterEaten[AtreidesMain] = false
			ProtectHarvester(units[1], AtreidesMain, AttackGroupSize[Difficulty])
		end
	end

	if DateTime.GameTime % DateTime.Seconds(10) == 0 and LastHarvesterEaten[AtreidesSmall1] then
		local units = AtreidesSmall1.GetActorsByType("harvester")
		if #units > 0 then
			LastHarvesterEaten[AtreidesSmall1] = false
			ProtectHarvester(units[1], AtreidesSmall1, AttackGroupSize[Difficulty])
		end
	end

	if DateTime.GameTime % DateTime.Seconds(10) == 0 and LastHarvesterEaten[CorrinoMain] then
		local units = CorrinoMain.GetActorsByType("harvester")
		if #units > 0 then
			LastHarvesterEaten[CorrinoMain] = false
			ProtectHarvester(units[1], CorrinoMain, AttackGroupSize[Difficulty])
		end
	end

	if DateTime.GameTime % DateTime.Seconds(10) == 0 and LastHarvesterEaten[CorrinoSmall] then
		local units = CorrinoSmall.GetActorsByType("harvester")
		if #units > 0 then
			LastHarvesterEaten[CorrinoSmall] = false
			ProtectHarvester(units[1], CorrinoSmall, AttackGroupSize[Difficulty])
		end
	end
end

WorldLoaded = function()
	AtreidesMain = Player.GetPlayer("Atreides Main Base")
	AtreidesSmall1 = Player.GetPlayer("Atreides Small Base 1")
	AtreidesSmall2 = Player.GetPlayer("Atreides Small Base 2")
	CorrinoMain = Player.GetPlayer("Corrino Main Base")
	CorrinoSmall = Player.GetPlayer("Corrino Small Base")
	Harkonnen = Player.GetPlayer("Harkonnen")

	InitObjectives(Harkonnen)
	KillAtreides = AddPrimaryObjective(Harkonnen, "destroy-atreides")
	KillCorrino = AddPrimaryObjective(Harkonnen, "destroy-imperial-forces")
	KillHarkonnen1 = AddPrimaryObjective(AtreidesMain, "")
	KillHarkonnen2 = AddPrimaryObjective(AtreidesSmall1, "")
	KillHarkonnen3 = AddPrimaryObjective(AtreidesSmall2, "")
	KillHarkonnen4 = AddPrimaryObjective(CorrinoMain, "")
	KillHarkonnen5 = AddPrimaryObjective(CorrinoSmall, "")

	Camera.Position = HMCV.CenterPosition
	AtreidesAttackLocation = HarkonnenRally.Location

	Trigger.AfterDelay(DateTime.Minutes(10), function() AirstrikeLogic(AHiTechFactory) end )
	Trigger.AfterDelay(DateTime.Minutes(3) + DateTime.Seconds (30), BuildFremen)

	Trigger.OnAllKilledOrCaptured(AtreidesMainBase, function()
		Utils.Do(AtreidesMain.GetGroundAttackers(), IdleHunt)
	end)

	Trigger.OnAllKilledOrCaptured(AtreidesSmall1Base, function()
		Utils.Do(AtreidesSmall1.GetGroundAttackers(), IdleHunt)
	end)

	Trigger.OnAllKilledOrCaptured(AtreidesSmall2Base, function()
		Utils.Do(AtreidesSmall2.GetGroundAttackers(), IdleHunt)
	end)

	Trigger.OnAllKilledOrCaptured(CorrinoMainBase, function()
		Utils.Do(CorrinoMain.GetGroundAttackers(), IdleHunt)
	end)

	Trigger.OnAllKilledOrCaptured(CorrinoSmallBase, function()
		Utils.Do(CorrinoSmall.GetGroundAttackers(), IdleHunt)
	end)

	local path = function() return Utils.Random(AtreidesPaths) end
	local waveCondition = function() return Harkonnen.IsObjectiveCompleted(KillAtreides) end
	local huntFunction = function(unit)
		unit.AttackMove(AtreidesAttackLocation)
		IdleHunt(unit)
	end

	SendCarryallReinforcements(AtreidesMain, 0, AtreidesAttackWaves[Difficulty], AtreidesAttackDelay[Difficulty], path, AtreidesReinforcements[Difficulty], waveCondition, huntFunction)
	SendStarportReinforcements()

	Actor.Create("upgrade.barracks", true, { Owner = AtreidesMain })
	Actor.Create("upgrade.light", true, { Owner = AtreidesMain })
	Actor.Create("upgrade.heavy", true, { Owner = AtreidesMain })
	Actor.Create("upgrade.hightech", true, { Owner = AtreidesMain })
	Actor.Create("upgrade.barracks", true, { Owner = AtreidesSmall1 })
	Actor.Create("upgrade.light", true, { Owner = AtreidesSmall1 })
	Actor.Create("upgrade.heavy", true, { Owner = AtreidesSmall1 })
	Actor.Create("upgrade.barracks", true, { Owner = AtreidesSmall2 })
	Actor.Create("upgrade.barracks", true, { Owner = CorrinoMain })
	Actor.Create("upgrade.light", true, { Owner = CorrinoMain })
	Actor.Create("upgrade.heavy", true, { Owner = CorrinoMain })
	Actor.Create("upgrade.barracks", true, { Owner = CorrinoSmall })
	Actor.Create("upgrade.light", true, { Owner = CorrinoSmall })
	Actor.Create("upgrade.heavy", true, { Owner = CorrinoSmall })
	Trigger.AfterDelay(0, ActivateAI)

	SendHarkonnenReinforcements(DateTime.Minutes(2) + DateTime.Seconds(30), 1)
	SendHarkonnenReinforcements(17030,2)
	SendHarkonnenReinforcements(17020,3)

	Trigger.OnAllKilled({ARock6, ARock7, ARock8}, function()
		SendHarkonnenReinforcements(0,4)
		SendHarkonnenReinforcements(10,5)
	end)
end

Trigger.OnDamaged(DebrisHarvester2, function(self)
	if self.Health < self.MaxHealth * 0.6 then
		self.Deploy()
		Trigger.ClearAll(self)
	end
end)