'use strict';

describe('PIXI.Graphics', () =>
{
    describe('constructor', () =>
    {
        it('should set defaults', () =>
        {
            const graphics = new PIXI.Graphics();

            expect(graphics.fillAlpha).to.be.equals(1);
            expect(graphics.lineWidth).to.be.equals(0);
            expect(graphics.lineColor).to.be.equals(0);
            expect(graphics.tint).to.be.equals(0xFFFFFF);
            expect(graphics.blendMode).to.be.equals(PIXI.BLEND_MODES.NORMAL);
        });
    });

    describe('lineTo', () =>
    {
        it('should return correct bounds - north', () =>
        {
            const graphics = new PIXI.Graphics();

            graphics.moveTo(0, 0);
            graphics.lineStyle(1);
            graphics.lineTo(0, 10);

            expect(graphics.width).to.be.below(1.00001);
            expect(graphics.width).to.be.above(0.99999);
            expect(graphics.height).to.be.equals(10);
        });

        it('should return correct bounds - south', () =>
        {
            const graphics = new PIXI.Graphics();

            graphics.moveTo(0, 0);
            graphics.lineStyle(1);
            graphics.lineTo(0, -10);

            expect(graphics.width).to.be.below(1.00001);
            expect(graphics.width).to.be.above(0.99999);
            expect(graphics.height).to.be.equals(10);
        });

        it('should return correct bounds - east', () =>
        {
            const graphics = new PIXI.Graphics();

            graphics.moveTo(0, 0);
            graphics.lineStyle(1);
            graphics.lineTo(10, 0);

            expect(graphics.height).to.be.equals(1);
            expect(graphics.width).to.be.equals(10);
        });

        it('should return correct bounds - west', () =>
        {
            const graphics = new PIXI.Graphics();

            graphics.moveTo(0, 0);
            graphics.lineStyle(1);
            graphics.lineTo(-10, 0);

            expect(graphics.height).to.be.above(0.9999);
            expect(graphics.height).to.be.below(1.0001);
            expect(graphics.width).to.be.equals(10);
        });

        it('should return correct bounds when stacked with circle', () =>
        {
            const graphics = new PIXI.Graphics();

            graphics.beginFill(0xFF0000);
            graphics.drawCircle(50, 50, 50);
            graphics.endFill();

            expect(graphics.width).to.be.equals(100);
            expect(graphics.height).to.be.equals(100);

            graphics.lineStyle(20, 0);
            graphics.moveTo(25, 50);
            graphics.lineTo(75, 50);

            expect(graphics.width).to.be.equals(100);
            expect(graphics.height).to.be.equals(100);
        });

        it('should return correct bounds when square', () =>
        {
            const graphics = new PIXI.Graphics();

            graphics.lineStyle(20, 0, 0.5);
            graphics.moveTo(0, 0);
            graphics.lineTo(50, 0);
            graphics.lineTo(50, 50);
            graphics.lineTo(0, 50);
            graphics.lineTo(0, 0);

            expect(graphics.width).to.be.equals(70);
            expect(graphics.height).to.be.equals(70);
        });
    });

    describe('containsPoint', () =>
    {
        it('should return true when point inside', () =>
        {
            const point = new PIXI.Point(1, 1);
            const graphics = new PIXI.Graphics();

            graphics.beginFill(0);
            graphics.drawRect(0, 0, 10, 10);

            expect(graphics.containsPoint(point)).to.be.true;
        });

        it('should return false when point outside', () =>
        {
            const point = new PIXI.Point(20, 20);
            const graphics = new PIXI.Graphics();

            graphics.beginFill(0);
            graphics.drawRect(0, 0, 10, 10);

            expect(graphics.containsPoint(point)).to.be.false;
        });
    });

    describe('arc', () =>
    {
        it('should draw an arc', () =>
        {
            const graphics = new PIXI.Graphics();

            expect(graphics.currentPath).to.be.null;

            expect(() => graphics.arc(100, 30, 20, 0, Math.PI)).to.not.throw();

            expect(graphics.currentPath).to.be.not.null;
        });

        it('should not throw with other shapes', () =>
        {
            // complex drawing #1: draw triangle, rounder rect and an arc (issue #3433)
            const graphics = new PIXI.Graphics();

            // set a fill and line style
            graphics.beginFill(0xFF3300);
            graphics.lineStyle(4, 0xffd900, 1);

            // draw a shape
            graphics.moveTo(50, 50);
            graphics.lineTo(250, 50);
            graphics.lineTo(100, 100);
            graphics.lineTo(50, 50);
            graphics.endFill();

            graphics.lineStyle(2, 0xFF00FF, 1);
            graphics.beginFill(0xFF00BB, 0.25);
            graphics.drawRoundedRect(150, 450, 300, 100, 15);
            graphics.endFill();

            graphics.beginFill();
            graphics.lineStyle(4, 0x00ff00, 1);

            expect(() => graphics.arc(300, 100, 20, 0, Math.PI)).to.not.throw();
        });

        it('should do nothing when startAngle and endAngle are equal', () =>
        {
            const graphics = new PIXI.Graphics();

            expect(graphics.currentPath).to.be.null;

            graphics.arc(0, 0, 10, 0, 0);

            expect(graphics.currentPath).to.be.null;
        });

        it('should do nothing if sweep equals zero', () =>
        {
            const graphics = new PIXI.Graphics();

            expect(graphics.currentPath).to.be.null;

            graphics.arc(0, 0, 10, 10, 10);

            expect(graphics.currentPath).to.be.null;
        });
    });

    describe('_calculateBounds', () =>
    {
        it('should only call updateLocalBounds once', () =>
        {
            const graphics = new PIXI.Graphics();
            const spy = sinon.spy(graphics, 'updateLocalBounds');

            graphics._calculateBounds();

            expect(spy).to.have.been.calledOnce;

            graphics._calculateBounds();

            expect(spy).to.have.been.calledOnce;
        });
    });
});