from resources import MoneyType;
import regions.regions;
import saving;
import statuses;
import systems;

const int COLONY_SHIP_MAINTENANCE = 5;

tidy class FreighterScript {
	int moveId = -1;
	double idleTimer = 180.0;

	FreighterScript() {
	}

	void makeMesh(Freighter& obj) {
		MeshDesc shipMesh;
		const Shipset@ ss = obj.owner.shipset;
		const ShipSkin@ skin;
		if(ss !is null)
			@skin = ss.getSkin(obj.skin);

		if(skin !is null) {
			@shipMesh.model = skin.model;
			@shipMesh.material = skin.material;
		}
		else {
			@shipMesh.model = model::Fighter;
			@shipMesh.material = material::Ship10;
		}

		@shipMesh.iconSheet = spritesheet::HullIcons;
		shipMesh.iconIndex = 0;

		bindMesh(obj, shipMesh);
	}

	void load(Freighter& obj, SaveFile& msg) {
		loadObjectStates(obj, msg);
		msg >> cast<Savable>(obj.Mover);
		@obj.Origin = msg.readObject();
		@obj.Target = msg.readObject();

		msg >> moveId;

		if(msg >= SV_0109) {
			msg >> obj.StatusId;
			msg >> obj.StatusDuration;
			msg >> obj.SetOrigin;
			msg >> obj.MinLevel;
		}
		if(msg >= SV_0110)
			msg >> obj.VisitHostile;
		if(msg >= SV_0145)
			msg >> obj.skin;

		//Create the graphics
		makeMesh(obj);
	}

	void save(Freighter& obj, SaveFile& msg) {
		saveObjectStates(obj, msg);
		msg << cast<Savable>(obj.Mover);
		msg << obj.Origin;
		msg << obj.Target;

		msg << moveId;

		msg << obj.StatusId;
		msg << obj.StatusDuration;
		msg << obj.SetOrigin;
		msg << obj.MinLevel;
		msg << obj.VisitHostile;
		msg << obj.skin;
	}

	void init(Freighter& ship) {
		ship.maxAcceleration = 2.5;
	}

	void postInit(Freighter& ship) {
		makeMesh(ship);
	}

	bool onOwnerChange(Freighter& ship, Empire@ prevOwner) {
		regionOwnerChange(ship, prevOwner);
		return false;
	}

	void destroy(Freighter& ship) {
		leaveRegion(ship);
	}
	
	double tick(Freighter& ship, double time) {
		Object@ target = ship.Target;
		ship.moverTick(time);
		updateRegion(ship);
	
		if(target is null) {
			idleTimer -= time;
			if(ship.region !is null && idleTimer > 0.0) {
				Region@ lookIn = ship.region;
				bool local = randomi(0,1) == 0;
				if(!local) {
					SystemDesc@ desc = getSystem(lookIn.SystemId);
					if(desc.adjacent.length > 0)
						@lookIn = getSystem(desc.adjacent[randomi(0, desc.adjacent.length-1)]).object;
				}
				
				uint plCount = lookIn.planetCount;
				if(plCount > 0) {
					Planet@ targ = lookIn.planets[randomi(0, plCount-1)];
					if(targ !is null && targ.owner.valid && (ship.VisitHostile || !ship.owner.isHostile(targ.owner)) && targ.level >= uint(ship.MinLevel)) {
						@target = targ;
						@ship.Target = targ;
						ship.moveTo(target, moveId, enterOrbit=false);
					}
				}
				
				return 0.2;
			}
			else {
				ship.destroy();
				return 0.2;
			}
		}

		if(!target.owner.valid || (!ship.VisitHostile && ship.owner.isHostile(target.owner))) {
			@target = null;
			@ship.Target = null;
		}
		else if(ship.position.distanceTo(target.position) <= (ship.radius + target.radius + 0.1) || ship.moveTo(target, moveId, enterOrbit=false)) {
			if(target.isPlanet) {
				int status = ship.StatusId;
				if(status == -1)
					status = getStatusID("Happy");
				Empire@ originEmp;
				if(ship.SetOrigin)
					@originEmp = ship.owner;
				target.addStatus(status, ship.StatusDuration, originEmpire=originEmp);
			}
			ship.destroy();
		}
		return 0.2;
	}

	void damage(Freighter& ship, DamageEvent& evt, double position, const vec2d& direction) {
		ship.Health -= evt.damage;
		if(ship.Health <= 0)
			ship.destroy();
	}

	void syncInitial(const Freighter& ship, Message& msg) {
		msg << ship.skin;
		ship.writeMover(msg);
	}

	void syncDetailed(const Freighter& ship, Message& msg) {
		ship.writeMover(msg);
	}

	bool syncDelta(const Freighter& ship, Message& msg) {
		bool used = false;
		if(ship.writeMoverDelta(msg))
			used = true;
		else
			msg.write0();
		return used;
	}
};