--[[
   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.
]]
ArmorAttack = { }
AttackPaths = { { AttackWaypoint1 }, { AttackWaypoint2 } }
BaseAttackers = { BaseAttacker1, BaseAttacker2 }
InfAttack = { }
IntroAttackers = { IntroEnemy1, IntroEnemy2, IntroEnemy3 }
Trucks = { Truck1, Truck2 }

AlliedInfantryTypes = { "e1", "e1", "e3" }
AlliedArmorTypes = { "jeep", "jeep", "1tnk", "1tnk", "2tnk", "2tnk", "arty" }

SovietReinforcements1 = { "e6", "e6", "e6", "e6", "e6" }
SovietReinforcements2 = { "e4", "e4", "e2", "e2", "e2" }
SovietReinforcements1Waypoints = { McvWaypoint.Location, APCWaypoint1.Location }
SovietReinforcements2Waypoints = { McvWaypoint.Location, APCWaypoint2.Location }

TruckGoalTrigger = { CPos.New(83, 7), CPos.New(83, 8), CPos.New(83, 9), CPos.New(83, 10), CPos.New(84, 10), CPos.New(84, 11), CPos.New(84, 12), CPos.New(85, 12), CPos.New(86, 12), CPos.New(87, 12), CPos.New(87, 13), CPos.New(88, 13), CPos.New(89, 13), CPos.New(90, 13), CPos.New(90, 14), CPos.New(90, 15), CPos.New(91, 15), CPos.New(92, 15), CPos.New(93, 15), CPos.New(94, 15) }
CameraBarrierTrigger = { CPos.New(65, 39), CPos.New(65, 40), CPos.New(66, 40), CPos.New(66, 41), CPos.New(67, 41), CPos.New(67, 42), CPos.New(68, 42), CPos.New(68, 43), CPos.New(68, 44) }
CameraBaseTrigger = { CPos.New(53, 42), CPos.New(54, 42), CPos.New(54, 41), CPos.New(55, 41), CPos.New(56, 41), CPos.New(56, 40), CPos.New(57, 40), CPos.New(57, 39), CPos.New(58, 39), CPos.New(59, 39), CPos.New(59, 38), CPos.New(60, 38), CPos.New(61, 38) }

Trigger.OnEnteredFootprint(TruckGoalTrigger, function(a, id)
	if not truckGoalTrigger and a.Owner == player and a.Type == "truk" then
		truckGoalTrigger = true
		player.MarkCompletedObjective(sovietObjective)
		player.MarkCompletedObjective(SaveAllTrucks)
	end
end)

Trigger.OnEnteredFootprint(CameraBarrierTrigger, function(a, id)
	if not cameraBarrierTrigger and a.Owner == player then
		cameraBarrierTrigger = true
		local cameraBarrier = Actor.Create("camera", true, { Owner = player, Location = CameraBarrier.Location })
		Trigger.AfterDelay(DateTime.Seconds(15), function()
			cameraBarrier.Destroy()
		end)
	end
end)

Trigger.OnEnteredFootprint(CameraBaseTrigger, function(a, id)
	if not cameraBaseTrigger and a.Owner == player then
		cameraBaseTrigger = true
		local cameraBase1 = Actor.Create("camera", true, { Owner = player, Location = CameraBase1.Location })
		local cameraBase2 = Actor.Create("camera", true, { Owner = player, Location = CameraBase2.Location })
		local cameraBase3 = Actor.Create("camera", true, { Owner = player, Location = CameraBase3.Location })
		local cameraBase4 = Actor.Create("camera", true, { Owner = player, Location = CameraBase4.Location })
		Trigger.AfterDelay(DateTime.Minutes(1), function()
			cameraBase1.Destroy()
			cameraBase2.Destroy()
			cameraBase3.Destroy()
			cameraBase4.Destroy()
		end)
	end
end)

Trigger.OnAllKilled(Trucks, function()
	enemy.MarkCompletedObjective(alliedObjective)
end)

Trigger.OnAnyKilled(Trucks, function()
	player.MarkFailedObjective(SaveAllTrucks)
end)

Trigger.OnKilled(Apwr, function(building)
	BaseApwr.exists = false
end)

Trigger.OnKilled(Barr, function(building)
	BaseTent.exists = false
end)

Trigger.OnKilled(Proc, function(building)
	BaseProc.exists = false
end)

Trigger.OnKilled(Weap, function(building)
	BaseWeap.exists = false
end)

Trigger.OnKilled(Apwr2, function(building)
	BaseApwr2.exists = false
end)

Trigger.OnKilledOrCaptured(Dome, function()
	Trigger.AfterDelay(DateTime.Seconds(2), function()
		player.MarkCompletedObjective(sovietObjective2)
		Media.PlaySpeechNotification(player, "ObjectiveMet")
	end)
end)

-- Activate the AI once the player deployed the Mcv
Trigger.OnRemovedFromWorld(Mcv, function()
	if not mcvDeployed then
		mcvDeployed = true
		BuildBase()
		SendEnemies()
		Trigger.AfterDelay(DateTime.Minutes(1), ProduceInfantry)
		Trigger.AfterDelay(DateTime.Minutes(2), ProduceArmor)
		Trigger.AfterDelay(DateTime.Minutes(2), function()
			Utils.Do(BaseAttackers, function(actor)
				IdleHunt(actor)
			end)
		end)
	end
end)

WorldLoaded = function()
	player = Player.GetPlayer("USSR")
	enemy = Player.GetPlayer("Greece")
	Camera.Position = CameraStart.CenterPosition
	Mcv.Move(McvWaypoint.Location)
	Harvester.FindResources()
	Utils.Do(IntroAttackers, function(actor)
		IdleHunt(actor)
	end)
	Utils.Do(Map.NamedActors, function(actor)
		if actor.Owner == enemy and actor.HasProperty("StartBuildingRepairs") then
			Trigger.OnDamaged(actor, function(building)
				if building.Owner == enemy and building.Health < 3/4 * building.MaxHealth then
					building.StartBuildingRepairs()
				end
			end)
		end
	end)
	Reinforcements.ReinforceWithTransport(player, "apc", SovietReinforcements1, SovietReinforcements1Waypoints)
	Reinforcements.ReinforceWithTransport(player, "apc", SovietReinforcements2, SovietReinforcements2Waypoints)
	Trigger.OnObjectiveAdded(player, function(p, id)
		Media.DisplayMessage(p.GetObjectiveDescription(id), "New " .. string.lower(p.GetObjectiveType(id)) .. " objective")
	end)
	Trigger.OnObjectiveCompleted(player, function(p, id)
		Media.DisplayMessage(p.GetObjectiveDescription(id), "Objective completed")
	end)
	Trigger.OnObjectiveFailed(player, function(p, id)
		Media.DisplayMessage(p.GetObjectiveDescription(id), "Objective failed")
	end)
	Trigger.OnPlayerWon(player, function()
		Media.PlaySpeechNotification(player, "Win")
	end)
	Trigger.OnPlayerLost(player, function()
		Media.PlaySpeechNotification(player, "Lose")
	end)
	alliedObjective = enemy.AddPrimaryObjective("Destroy all Soviet troops.")
	sovietObjective = player.AddPrimaryObjective("Escort the Convoy.")
	sovietObjective2 = player.AddSecondaryObjective("Destroy or capture the Allied radar dome to stop\nenemy reinforcements.")
	SaveAllTrucks = player.AddSecondaryObjective("Keep all trucks alive.")
end

Tick = function()
	if player.HasNoRequiredUnits() then
		enemy.MarkCompletedObjective(alliedObjective)
	end

	if enemy.Resources >= enemy.ResourceCapacity * 0.75 then
		enemy.Cash = enemy.Cash + enemy.Resources - enemy.ResourceCapacity * 0.25
		enemy.Resources = enemy.ResourceCapacity * 0.25
	end
end