describe("Balanced Test Suite", function() {

    it("balancedTest", function() {
        var position = {x:0, y:0};
        var manager = new mindplot.layout.LayoutManager(0, TestSuite.ROOT_NODE_SIZE);
        manager.addNode(1, TestSuite.NODE_SIZE, position);
        manager.connectNode(0, 1, 0);
        manager.layout();

        manager.addNode(2, TestSuite.NODE_SIZE, position);
        manager.connectNode(0, 2, 1);
        manager.layout();

        manager.addNode(3, TestSuite.NODE_SIZE, position);
        manager.connectNode(0, 3, 2);
        manager.layout();

        manager.addNode(4, TestSuite.NODE_SIZE, position);
        manager.connectNode(0, 4, 3);
        manager.layout();

        manager.addNode(5, TestSuite.NODE_SIZE, position);
        manager.connectNode(0, 5, 4);
        manager.layout();

        manager.addNode(6, TestSuite.NODE_SIZE, position);
        manager.connectNode(0, 6, 5);
        manager.layout();

        manager.addNode(7, TestSuite.NODE_SIZE, position);
        manager.addNode(8, TestSuite.NODE_SIZE, position);
        manager.addNode(9, TestSuite.NODE_SIZE, position);
        manager.connectNode(3, 7, 0);
        manager.connectNode(7, 8, 0);
        manager.connectNode(7, 9, 1);
        manager.layout();

        manager.addNode(10, TestSuite.NODE_SIZE, position);
        manager.addNode(11, TestSuite.NODE_SIZE, position);
        manager.addNode(12, TestSuite.NODE_SIZE, position);
        manager.connectNode(6, 10, 0);
        manager.connectNode(10, 11, 0);
        manager.connectNode(10, 12, 1);
        manager.layout();

        manager.addNode(13, TestSuite.NODE_SIZE, position);
        manager.connectNode(0, 13, 4);
        manager.layout();

        // Check orders have shifted accordingly
        expect(manager.find(5).getOrder()).toEqual(6);

        manager.addNode(14, TestSuite.NODE_SIZE, position);
        manager.connectNode(0, 14, 5);
        manager.layout();

        // Check orders have shifted accordingly
        expect(manager.find(6).getOrder()).toEqual(7);

        manager.addNode(15, TestSuite.NODE_SIZE, position);
        manager.connectNode(0, 15, 4);
        manager.layout();

        // Check orders have shifted accordingly
        expect(manager.find(13).getOrder()).toEqual(6);
        expect(manager.find(5).getOrder()).toEqual(8);

        manager.addNode(16, TestSuite.NODE_SIZE, position);
        manager.connectNode(0, 16, 25);
        manager.layout();

        // Check orders have shifted accordingly
        expect(manager.find(16).getOrder()).toEqual(9);

        manager.addNode(17, TestSuite.NODE_SIZE, position);
        manager.addNode(18, TestSuite.NODE_SIZE, position);
        manager.addNode(19, TestSuite.NODE_SIZE, position);
        manager.connectNode(0, 17, 11);
        manager.connectNode(0, 18, 13);
        manager.connectNode(0, 19, 10);
        manager.layout();

        // Check that everything is ok
        expect(manager.find(1).getPosition().x).toBeGreaterThan(manager.find(0).getPosition().x);
        expect(manager.find(3).getPosition().x).toBeGreaterThan(manager.find(0).getPosition().x);
        expect(manager.find(5).getPosition().x).toBeGreaterThan(manager.find(0).getPosition().x);
        expect(manager.find(2).getPosition().x).toBeLessThan(manager.find(0).getPosition().x);
        expect(manager.find(4).getPosition().x).toBeLessThan(manager.find(0).getPosition().x);
        expect(manager.find(6).getPosition().x).toBeLessThan(manager.find(0).getPosition().x);
        expect(manager.find(7).getPosition().x).toBeGreaterThan(manager.find(3).getPosition().x);
        expect(manager.find(8).getPosition().x).toBeGreaterThan(manager.find(7).getPosition().x);
        expect(manager.find(9).getPosition().x).toBeGreaterThan(manager.find(7).getPosition().x);
        expect(manager.find(10).getPosition().x).toBeLessThan(manager.find(6).getPosition().x);
        expect(manager.find(11).getPosition().x).toBeLessThan(manager.find(10).getPosition().x);
        expect(manager.find(12).getPosition().x).toBeLessThan(manager.find(10).getPosition().x);

    });

    it("balancedPredictTest", function() {
        var position = {x:0, y:0};
        var manager = new mindplot.layout.LayoutManager(0, TestSuite.ROOT_NODE_SIZE);

        manager.addNode(1, TestSuite.NODE_SIZE, position);
        manager.addNode(2, TestSuite.NODE_SIZE, position);
        manager.addNode(3, TestSuite.NODE_SIZE, position);
        manager.addNode(4, TestSuite.NODE_SIZE, position);
        manager.addNode(5, TestSuite.NODE_SIZE, position);
        manager.addNode(7, TestSuite.NODE_SIZE, position);
        manager.addNode(8, TestSuite.NODE_SIZE, position);
        manager.addNode(9, TestSuite.NODE_SIZE, position);
        manager.addNode(10, TestSuite.NODE_SIZE, position);
        manager.addNode(11, TestSuite.NODE_SIZE, position);

        manager.connectNode(0,1,0);
        manager.connectNode(0,2,1);
        manager.connectNode(0,3,2);
        manager.connectNode(0,4,3);
        manager.connectNode(0,5,4);
        manager.connectNode(4,7,0);
        manager.connectNode(4,8,1);
        manager.connectNode(8,9,0);
        manager.connectNode(3,10,0);
        manager.connectNode(3,11,1);

        manager.layout();

        // Added as child of node 0 and dropped at (165, -70)
        var prediction1a = manager.predict(0, null, {x:165, y:-70});
        expect(prediction1a.position.y).toBeLessThan(manager.find(1).getPosition().y);
        expect(prediction1a.position.x).toEqual(manager.find(1).getPosition().x);
        expect(prediction1a.order).toEqual(0);

        // Added as child of node 0 and dropped at (165, -10)
        var prediction1b = manager.predict(0, null, {x:165, y:-10});
        expect(prediction1b.position.y).toBeGreaterThan(manager.find(1).getPosition().y);
        expect(prediction1b.position.y).toBeLessThan(manager.find(3).getPosition().y);
        expect(prediction1b.position.x).toEqual(manager.find(1).getPosition().x);
        expect(prediction1b.order).toEqual(2);

        // Added as child of node 0 and dropped at (145, 15)
        var prediction1c = manager.predict(0, null, {x:145, y:15});
        expect(prediction1c.position.y).toBeGreaterThan(manager.find(3).getPosition().y);
        expect(prediction1c.position.y).toBeLessThan(manager.find(5).getPosition().y);
        expect(prediction1c.position.x).toEqual(manager.find(3).getPosition().x);
        expect(prediction1c.order).toEqual(4);

        // Added as child of node 0 and dropped at (145, 70)
        var prediction1d = manager.predict(0, null, {x:145, y:70});
        expect(prediction1d.position.y).toBeGreaterThan(manager.find(5).getPosition().y);
        expect(prediction1d.position.x).toEqual(manager.find(5).getPosition().x);
        expect(prediction1d.order).toEqual(6);

        // Added as child of node 0 and dropped at (-145, -50)
        var prediction2a = manager.predict(0, null, {x:-145, y:-50});
        expect(prediction2a.position.y).toBeLessThan(manager.find(2).getPosition().y);
        expect(prediction2a.position.x).toEqual(manager.find(2).getPosition().x);
        expect(prediction2a.order).toEqual(1);

        // Added as child of node 0 and dropped at (-145, -10)
        var prediction2b = manager.predict(0, null, {x:-145, y:-10});
        expect(prediction2b.position.y).toBeGreaterThan(manager.find(2).getPosition().y);
        expect(prediction2b.position.y).toBeLessThan(manager.find(4).getPosition().y);
        expect(prediction2b.position.x).toEqual(manager.find(2).getPosition().x);
        expect(prediction2b.order).toEqual(3);

        // Added as child of node 0 and dropped at (-145, 40)
        var prediction2c = manager.predict(0, null, {x:-145, y:400});
        expect(prediction2c.position.y).toBeGreaterThan(manager.find(4).getPosition().y);
        expect(prediction2c.position.x).toEqual(manager.find(4).getPosition().x);
        expect(prediction2c.order).toEqual(5);

        // Predict nodes added with no position
        var prediction3 = manager.predict(0, null, null);
        expect(prediction3.position.y).toBeGreaterThan(manager.find(4).getPosition().y);
        expect(prediction3.position.x).toEqual(manager.find(4).getPosition().x);
        expect(prediction3.order).toEqual(5);

        manager.addNode(6, TestSuite.NODE_SIZE, prediction3.position);
        manager.connectNode(0,6,prediction3.order);
        manager.layout();

        var prediction4 = manager.predict(0, null, null);
        expect(prediction4.position.y).toBeGreaterThan(manager.find(5).getPosition().y);
        expect(prediction4.position.x).toEqual(manager.find(5).getPosition().x);
        expect(prediction4.order).toEqual(6);

        // Predict nodes added only a root node
        manager.removeNode(1).removeNode(2).removeNode(3).removeNode(4).removeNode(5);
        manager.layout();
        var prediction5a = manager.predict(0, null, null);
        var prediction5b = manager.predict(0, null, {x:40, y:100});
        expect(prediction5a.position.x).toBeGreaterThan(manager.find(0).getPosition().x);
        expect(prediction5a.position.y).toEqual(manager.find(0).getPosition().y);
        expect(prediction5a.order).toEqual(0);
        expect(prediction5a.position.x).toEqual(prediction5b.position.x);
        expect(prediction5a.position.y).toEqual(prediction5b.position.y);
        expect(prediction5a.order).toEqual(prediction5b.order);
    });

    it("balancedNodeDragPredictTest", function() {
        var position = {x:0, y:0};
        var manager = new mindplot.layout.LayoutManager(0, TestSuite.ROOT_NODE_SIZE);

        manager.addNode(1, TestSuite.NODE_SIZE, position).connectNode(0,1,0);
        manager.layout();

        var prediction1a = manager.predict(0, 1, {x:50, y:50});
        expect(prediction1a.position.x).toEqual(manager.find(1).getPosition().x);
        expect(prediction1a.position.y).toEqual(manager.find(1).getPosition().y);
        expect(prediction1a.order).toEqual(manager.find(1).getOrder());

        var prediction1b = manager.predict(0, 1, {x:50, y:-50});
        expect(prediction1b.position.x).toEqual(manager.find(1).getPosition().x);
        expect(prediction1b.position.y).toEqual(manager.find(1).getPosition().y);
        expect(prediction1b.order).toEqual(manager.find(1).getOrder());

        var prediction1c = manager.predict(0, 1, {x:-50, y:50});
        expect(prediction1c.position.x).toBeLessThan(manager.find(0).getPosition().x);
        expect(prediction1c.position.y).toEqual(manager.find(0).getPosition().y);
        expect(prediction1c.order).toEqual(1);

        var prediction1d = manager.predict(0, 1, {x:-50, y:-50});
        expect(prediction1d.position.x).toBeLessThan(manager.find(0).getPosition().x);
        expect(prediction1d.position.y).toEqual(manager.find(0).getPosition().y);
        expect(prediction1d.order).toEqual(1);

        manager.disconnectNode(1);
        manager.connectNode(0, 1, 1);
        manager.layout();

        var prediction2a = manager.predict(0, 1, {x:50, y:50});
        expect(prediction2a.position.x).toBeGreaterThan(manager.find(0).getPosition().x);
        expect(prediction2a.position.y).toEqual(manager.find(0).getPosition().y);
        expect(prediction2a.order).toEqual(0);

        var prediction2b = manager.predict(0, 1, {x:50, y:-50});
        expect(prediction2b.position.x).toBeGreaterThan(manager.find(0).getPosition().x);
        expect(prediction2b.position.y).toEqual(manager.find(0).getPosition().y);
        expect(prediction2b.order).toEqual(0);

        var prediction2c = manager.predict(0, 1, {x:-50, y:50});
        expect(prediction2c.position.x).toEqual(manager.find(1).getPosition().x);
        expect(prediction2c.position.y).toEqual(manager.find(1).getPosition().y);
        expect(prediction2c.order).toEqual(manager.find(1).getOrder());

        var prediction2d = manager.predict(0, 1, {x:-50, y:-50});
        expect(prediction2d.position.x).toEqual(manager.find(1).getPosition().x);
        expect(prediction2d.position.y).toEqual(manager.find(1).getPosition().y);
        expect(prediction2d.order).toEqual(manager.find(1).getOrder());

        manager.disconnectNode(1);
        manager.connectNode(0, 1, 0);
        manager.addNode(2, TestSuite.NODE_SIZE, position).connectNode(0,2,2);
        manager.layout();

        var prediction3a = manager.predict(0, 1, {x:50, y:50});
        expect(prediction3a.position.x).toEqual(manager.find(2).getPosition().x);
        expect(prediction3a.position.y).toBeGreaterThan(manager.find(2).getPosition().y);
        expect(prediction3a.order).toEqual(4);

        var prediction3b = manager.predict(0, 1, {x:50, y:-50});
        expect(prediction3b.position.x).toEqual(manager.find(1).getPosition().x);
        expect(prediction3b.position.y).toEqual(manager.find(1).getPosition().y);
        expect(prediction3b.order).toEqual(manager.find(1).getOrder());

        var prediction3c = manager.predict(0, 1, {x:-50, y:50});
        expect(prediction3c.position.x).toBeLessThan(manager.find(0).getPosition().x);
        expect(prediction3c.position.y).toEqual(manager.find(0).getPosition().y);
        expect(prediction3c.order).toEqual(1);

        var prediction3d = manager.predict(0, 1, {x:-50, y:-50});
        expect(prediction3d.position.x).toBeLessThan(manager.find(0).getPosition().x);
        expect(prediction3d.position.y).toEqual(manager.find(0).getPosition().y);
        expect(prediction3d.order).toEqual(1);

        var prediction3e = manager.predict(0, 1, {x:50, y:0});
        expect(prediction3e.position.x).toEqual(manager.find(1).getPosition().x);
        expect(prediction3e.position.y).toEqual(manager.find(1).getPosition().y);
        expect(prediction3e.order).toEqual(manager.find(1).getOrder());

    });

});