module SpaceTac.Game {
    "use strict";

    describe("MoveAction", function () {
        it("checks movement against remaining AP", function () {
            var ship = new Ship();
            var battle = new Battle(ship.fleet);
            battle.playing_ship = ship;
            ship.ap_current.setMaximal(20);
            ship.ap_current.set(6);
            ship.arena_x = 0;
            ship.arena_y = 0;
            var engine = new Equipment();
            engine.distance = 1;
            engine.ap_usage = 2;
            var action = new MoveAction(engine);

            var result = action.checkTarget(battle, ship, Target.newFromLocation(0, 2));
            expect(result).toEqual(Target.newFromLocation(0, 2));

            result = action.checkTarget(battle, ship, Target.newFromLocation(0, 8));
            expect(result).toEqual(Target.newFromLocation(0, 3));

            ship.ap_current.set(0);
            result = action.checkTarget(battle, ship, Target.newFromLocation(0, 8));
            expect(result).toBeNull();
        });

        it("forbids targetting a ship", function () {
            var ship1 = new Ship(null, "Test1");
            var ship2 = new Ship(null, "Test2");
            var action = new MoveAction(null);

            var result = action.checkTarget(null, ship1, Target.newFromShip(ship1));
            expect(result).toBeNull();

            result = action.checkTarget(null, ship1, Target.newFromShip(ship2));
            expect(result).toBeNull();
        });

        it("applies to ship location, battle log and AP", function () {
            var ship = new Ship();
            var battle = new Battle(ship.fleet);
            ship.ap_current.setMaximal(20);
            ship.ap_current.set(5);
            ship.arena_x = 0;
            ship.arena_y = 0;
            var engine = new Equipment();
            engine.distance = 1;
            engine.ap_usage = 1;
            var action = new MoveAction(engine);
            battle.playing_ship = ship;

            var result = action.apply(battle, ship, Target.newFromLocation(10, 10));
            expect(result).toBe(true);
            expect(ship.arena_x).toBeCloseTo(3.535533, 0.00001);
            expect(ship.arena_y).toBeCloseTo(3.535533, 0.00001);
            expect(ship.ap_current.current).toEqual(0);

            result = action.apply(battle, ship, Target.newFromLocation(10, 10));
            expect(result).toBe(false);
            expect(ship.arena_x).toBeCloseTo(3.535533, 0.00001);
            expect(ship.arena_y).toBeCloseTo(3.535533, 0.00001);
            expect(ship.ap_current.current).toEqual(0);

            expect(battle.log.events.length).toBe(2);

            expect(battle.log.events[0].code).toEqual("move");
            expect(battle.log.events[0].ship).toBe(ship);
            expect(battle.log.events[0].target.ship).toBeNull();
            expect(battle.log.events[0].target.x).toBeCloseTo(3.535533, 0.00001);
            expect(battle.log.events[0].target.y).toBeCloseTo(3.535533, 0.00001);

            expect(battle.log.events[1].code).toEqual("attr");
            expect(battle.log.events[1].ship).toBe(ship);
            expect((<AttributeChangeEvent>battle.log.events[1]).attribute).toEqual(
                new Attribute(AttributeCode.AP, 0, 20));
        });

        it("can't move too much near another ship", function () {
            var battle = TestTools.createBattle(1, 1);
            var ship = battle.fleets[0].ships[0];
            var enemy = battle.fleets[1].ships[0];
            var engine = TestTools.addEngine(ship, 10);
            TestTools.setShipAP(ship, 100);
            ship.setArenaPosition(5, 5);
            enemy.setArenaPosition(10, 5);

            var action = new MoveAction(engine);
            action.safety_distance = 2;

            var result = action.checkLocationTarget(battle, ship, Target.newFromLocation(7, 5));
            expect(result).toEqual(Target.newFromLocation(7, 5));

            result = action.checkLocationTarget(battle, ship, Target.newFromLocation(8, 5));
            expect(result).toEqual(Target.newFromLocation(8, 5));

            result = action.checkLocationTarget(battle, ship, Target.newFromLocation(9, 5));
            expect(result).toEqual(Target.newFromLocation(8, 5));

            result = action.checkLocationTarget(battle, ship, Target.newFromLocation(10, 5));
            expect(result).toEqual(Target.newFromLocation(8, 5));

            result = action.checkLocationTarget(battle, ship, Target.newFromLocation(12, 5));
            expect(result).toEqual(Target.newFromLocation(12, 5));
        });
    });
}