--[[
   Copyright 2007-2020 The OpenRA Developers (see AUTHORS)
   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.
]]
IdleHunt = function(unit) if not unit.IsDead then Trigger.OnIdle(unit, unit.Hunt) end end

IdlingUnits = function()
	local lazyUnits = Utils.Where(Map.ActorsInWorld, function(actor)
		return actor.HasProperty("Hunt") and (actor.Owner == GoodGuy or actor.Owner == Greece) end)

	Utils.Do(lazyUnits, function(unit)
		Trigger.OnDamaged(unit, function()
			Trigger.ClearAll(unit)
			Trigger.AfterDelay(0, function() IdleHunt(unit) end)
		end)
	end)
end

BaseBuildings =
{
	{ type = "powr", pos = CVec.New(3, -2), cost = 300 },
	{ type = "tent", pos = CVec.New(0, 4), cost = 400 },
	{ type = "hbox", pos = CVec.New(3, 6), cost = 600 },
	{ type = "proc", pos = CVec.New(4, 2), cost = 1400 },
	{ type = "powr", pos = CVec.New(5, -3), cost = 300 },
	{ type = "weap", pos = CVec.New(-5, 3), cost = 2000 },
	{ type = "hbox", pos = CVec.New(-6, 5), cost = 600 },
	{ type = "gun", pos = CVec.New(0, 8), cost = 600 },
	{ type = "gun", pos = CVec.New(-4, 7), cost = 600 },
	{ type = "powr", pos = CVec.New(-4, -3), cost = 300 },
	{ type = "proc", pos = CVec.New(-9, 1), cost = 1400 },
	{ type = "powr", pos = CVec.New(-8, -2), cost = 300 },
	{ type = "silo", pos = CVec.New(6, 0), cost = 150 },
	{ type = "agun", pos = CVec.New(-3, 0), cost = 800 },
	{ type = "powr", pos = CVec.New(-6, -2), cost = 300 },
	{ type = "agun", pos = CVec.New(4, 1), cost = 800 },
	{ type = "gun", pos = CVec.New(-9, 5), cost = 600 },
	{ type = "gun", pos = CVec.New(-2, -3), cost = 600 },
	{ type = "powr", pos = CVec.New(4, 6), cost = 300 },
	{ type = "gun", pos = CVec.New(3, -6), cost = 600 },
	{ type = "hbox", pos = CVec.New(3, -4), cost = 600 },
	{ type = "gun", pos = CVec.New(2, 3), cost = 600 }
}

BuildBase = function()
	if not CheckForCYard() then
		return
	end

	for i,v in ipairs(BaseBuildings) do
		if not v.exists then
			BuildBuilding(v)
			return
		end
	end

	Trigger.AfterDelay(DateTime.Seconds(5), BuildBase)
end

BuildBuilding = function(building)
	Trigger.AfterDelay(Actor.BuildTime(building.type), function()
		local actor = Actor.Create(building.type, true, { Owner = GoodGuy, Location = MCVDeploy.Location + building.pos })
		GoodGuy.Cash = GoodGuy.Cash - building.cost

		building.exists = true
		Trigger.OnKilled(actor, function() building.exists = false end)
		Trigger.OnDamaged(actor, function(building)
			if building.Owner == GoodGuy and building.Health < building.MaxHealth * 3/4 then
				building.StartBuildingRepairs()
			end
		end)

		Trigger.AfterDelay(DateTime.Seconds(1), BuildBase)
	end)
end

ProduceInfantry = function()
	if Barr.IsDead then
		return
	end

	local delay = Utils.RandomInteger(DateTime.Seconds(3), DateTime.Seconds(9))
	local toBuild = { Utils.Random(AlliedInfantryTypes) }
	Greece.Build(toBuild, function(unit)
		GreeceInfAttack[#GreeceInfAttack + 1] = unit[1]

		if #GreeceInfAttack >= 7 then
			SendUnits(GreeceInfAttack, InfantryWaypoints)
			GreeceInfAttack = { }
			Trigger.AfterDelay(DateTime.Minutes(2), ProduceInfantry)
		else
			Trigger.AfterDelay(delay, ProduceInfantry)
		end
	end)
end

ProduceShips = function()
	if Navalyard.IsDead then
		return
	end

	Greece.Build( {"dd"}, function(unit)
		Ships[#Ships + 1] = unit[1]

		if #Ships >= 2 then
			SendUnits(Ships, ShipWaypoints)
			Ships = { }
			Trigger.AfterDelay(DateTime.Minutes(6), ProduceShips)
		else
			Trigger.AfterDelay(Actor.BuildTime("dd"), ProduceShips)
		end
	end)
end

ProduceInfantryGG = function()
	if not BaseBuildings[2][4] then
		return
	end

	local delay = Utils.RandomInteger(DateTime.Seconds(3), DateTime.Seconds(9))
	local toBuild = { Utils.Random(AlliedInfantryTypes) }
	GoodGuy.Build(toBuild, function(unit)
		GGInfAttack[#GGInfAttack + 1] = unit[1]

		if #GGInfAttack >= 10 then
			SendUnits(GGInfAttack, InfantryGGWaypoints)
			GGInfAttack = { }
			Trigger.AfterDelay(DateTime.Minutes(2), ProduceInfantryGG)
		else
			Trigger.AfterDelay(delay, ProduceInfantryGG)
		end
	end)
end

ProduceTanksGG = function()
	if not BaseBuildings[6][4] then
		return
	end

	local delay = Utils.RandomInteger(DateTime.Seconds(12), DateTime.Seconds(17))
	local toBuild = { Utils.Random(AlliedTankTypes) }
	GoodGuy.Build(toBuild, function(unit)
		TankAttackGG[#TankAttackGG + 1] = unit[1]

		if #TankAttackGG >= 6 then
			SendUnits(TankAttackGG, TanksGGWaypoints)
			TankAttackGG = { }
			Trigger.AfterDelay(DateTime.Minutes(3), ProduceTanksGG)
		else
			Trigger.AfterDelay(delay, ProduceTanksGG)
		end
	end)
end

SendUnits = function(units, waypoints)
	Utils.Do(units, function(unit)
		if not unit.IsDead then
			Utils.Do(waypoints, function(waypoint)
				unit.AttackMove(waypoint.Location)
			end)
			unit.Hunt()
		end
	end)
end
