/// <reference path="../_definitions.ts" />

/**
* @author       Richard Davey <rich@photonstorm.com>
* @copyright    2013 Photon Storm Ltd.
* @license      https://github.com/photonstorm/phaser/blob/master/license.txt  MIT License
* @module       Phaser
*/
module Phaser {

    /**
    * A collection of methods for displaying debug information about game objects.
    *
    * @class DebugUtils
    */
    export class DebugUtils {

        /**
        * A reference to the currently running Game.
        * @property game
        * @type {Phaser.Game}
        */
        public static game: Phaser.Game;

        /**
        * The context to which the debug info will be drawn.
        * Defaults to the Game.Stage.context, but can be redirected anywhere.
        * @property context
        * @type {CanvasRenderingContext2D}
        */
        public static context: CanvasRenderingContext2D;

        /**
        * An internally used value that holds the X value of the debug text to be rendered.
        * @property currentX
        * @type {Number}
        */
        public static currentX: number;

        /**
        * An internally used value that holds the Y value of the debug text to be rendered.
        * @property currentY
        * @type {Number}
        */
        public static currentY: number;

        /**
        * The font of the debug text to be rendered.
        * @property font
        * @type {String}
        */
        public static font: string = '14px Courier';

        /**
        * The height in pixels of a line of debug text. If you adjust the font size then adjust this accordingly.
        * @property lineHeight
        * @type {Number}
        */
        public static lineHeight: number = 16;

        /**
        * The color of the debug text to be rendered in CSS string format (i.e. 'rgb(r,g,b)')
        * @property font
        * @type {String}
        */
        public static currentColor: string;

        /**
        * If set to true this will render a shadow below any debug text, often making it easier to read.
        * @property renderShadow
        * @type {Boolean}
        */
        public static renderShadow: boolean = true;
        
        /**
        * Internal method that resets the debug output values.
        * @method start
        * @param {Number} x The X value the debug info will start from.
        * @param {Number} y The Y value the debug info will start from.
        * @param {String} color The color the debug info will drawn in.
        */
        public static start(x: number, y: number, color: string = 'rgb(255,255,255)') {

            Phaser.DebugUtils.currentX = x;
            Phaser.DebugUtils.currentY = y;
            Phaser.DebugUtils.currentColor = color;

            Phaser.DebugUtils.context.fillStyle = color;
            Phaser.DebugUtils.context.font = Phaser.DebugUtils.font;

        }

        /**
        * Internal method that outputs a single line of text.
        * @method line
        * @param {String} text The line of text to draw.
        * @param {Number} x The X value the debug info will start from.
        * @param {Number} y The Y value the debug info will start from.
        */
        public static line(text: string, x:number = null, y:number = null) {

            if (x !== null)
            {
                Phaser.DebugUtils.currentX = x;
            }

            if (y !== null)
            {
                Phaser.DebugUtils.currentY = y;
            }

            if (Phaser.DebugUtils.renderShadow)
            {
                Phaser.DebugUtils.context.fillStyle = 'rgb(0,0,0)';
                Phaser.DebugUtils.context.fillText(text, Phaser.DebugUtils.currentX + 1, Phaser.DebugUtils.currentY + 1);
                Phaser.DebugUtils.context.fillStyle = Phaser.DebugUtils.currentColor;
            }

            Phaser.DebugUtils.context.fillText(text, Phaser.DebugUtils.currentX, Phaser.DebugUtils.currentY);

            Phaser.DebugUtils.currentY += Phaser.DebugUtils.lineHeight;

        }

        public static renderSpriteCorners(sprite: Phaser.Sprite, color: string = 'rgb(255,0,255)') {

            Phaser.DebugUtils.start(0, 0, color);

            Phaser.DebugUtils.line('x: ' + Math.floor(sprite.transform.upperLeft.x) + ' y: ' + Math.floor(sprite.transform.upperLeft.y), sprite.transform.upperLeft.x, sprite.transform.upperLeft.y);
            Phaser.DebugUtils.line('x: ' + Math.floor(sprite.transform.upperRight.x) + ' y: ' + Math.floor(sprite.transform.upperRight.y), sprite.transform.upperRight.x, sprite.transform.upperRight.y);
            Phaser.DebugUtils.line('x: ' + Math.floor(sprite.transform.bottomLeft.x) + ' y: ' + Math.floor(sprite.transform.bottomLeft.y), sprite.transform.bottomLeft.x, sprite.transform.bottomLeft.y);
            Phaser.DebugUtils.line('x: ' + Math.floor(sprite.transform.bottomRight.x) + ' y: ' + Math.floor(sprite.transform.bottomRight.y), sprite.transform.bottomRight.x, sprite.transform.bottomRight.y);

        }

        /**
         * Render debug infos. (including id, position, rotation, scrolling factor, worldBounds and some other properties)
         * @param x {number} X position of the debug info to be rendered.
         * @param y {number} Y position of the debug info to be rendered.
         * @param [color] {number} color of the debug info to be rendered. (format is css color string)
        */
        public static renderSoundInfo(sound: Phaser.Sound, x: number, y: number, color: string = 'rgb(255,255,255)') {

            Phaser.DebugUtils.start(x, y, color);

            Phaser.DebugUtils.line('Sound: ' + sound.key + ' Locked: ' + sound.game.sound.touchLocked + ' Pending Playback: ' + sound.pendingPlayback);
            Phaser.DebugUtils.line('Decoded: ' + sound.isDecoded + ' Decoding: ' + sound.isDecoding);
            Phaser.DebugUtils.line('Total Duration: ' + sound.totalDuration + ' Playing: ' + sound.isPlaying);
            Phaser.DebugUtils.line('Time: ' + sound.currentTime);
            Phaser.DebugUtils.line('Volume: ' + sound.volume + ' Muted: ' + sound.mute);
            Phaser.DebugUtils.line('WebAudio: ' + sound.usingWebAudio + ' Audio: ' + sound.usingAudioTag);

            if (sound.currentMarker !== '')
            {
                Phaser.DebugUtils.line('Marker: ' + sound.currentMarker + ' Duration: ' + sound.duration);
                Phaser.DebugUtils.line('Start: ' + sound.markers[sound.currentMarker].start + ' Stop: ' + sound.markers[sound.currentMarker].stop);
                Phaser.DebugUtils.line('Position: ' + sound.position);
            }

        }

        /**
         * Render debug infos. (including id, position, rotation, scrolling factor, worldBounds and some other properties)
         * @param x {number} X position of the debug info to be rendered.
         * @param y {number} Y position of the debug info to be rendered.
         * @param [color] {number} color of the debug info to be rendered. (format is css color string)
         */
        static renderCameraInfo(camera: Phaser.Camera, x: number, y: number, color: string = 'rgb(255,255,255)') {

            Phaser.DebugUtils.start(x, y, color);
            Phaser.DebugUtils.line('Camera ID: ' + camera.ID + ' (' + camera.screenView.width + ' x ' + camera.screenView.height + ')');
            Phaser.DebugUtils.line('X: ' + camera.x + ' Y: ' + camera.y + ' Rotation: ' + camera.transform.rotation);
            Phaser.DebugUtils.line('WorldView X: ' + camera.worldView.x + ' Y: ' + camera.worldView.y + ' W: ' + camera.worldView.width + ' H: ' + camera.worldView.height);
            Phaser.DebugUtils.line('ScreenView X: ' + camera.screenView.x + ' Y: ' + camera.screenView.y + ' W: ' + camera.screenView.width + ' H: ' + camera.screenView.height);

            if (camera.worldBounds)
            {
                Phaser.DebugUtils.line('Bounds: ' + camera.worldBounds.width + ' x ' + camera.worldBounds.height);
            }

        }

        /**
        * Renders the Pointer.circle object onto the stage in green if down or red if up.
        * @method renderDebug
        */
        static renderPointer(pointer: Phaser.Pointer, hideIfUp: boolean = false, downColor: string = 'rgba(0,255,0,0.5)', upColor: string = 'rgba(255,0,0,0.5)', color: string = 'rgb(255,255,255)') {

            if (hideIfUp == true && pointer.isUp == true)
            {
                return;
            }

            Phaser.DebugUtils.context.beginPath();
            Phaser.DebugUtils.context.arc(pointer.x, pointer.y, pointer.circle.radius, 0, Math.PI * 2);

            if (pointer.active)
            {
                Phaser.DebugUtils.context.fillStyle = downColor;
            }
            else
            {
                Phaser.DebugUtils.context.fillStyle = upColor;
            }

            Phaser.DebugUtils.context.fill();
            Phaser.DebugUtils.context.closePath();

            //  Render the points
            Phaser.DebugUtils.context.beginPath();
            Phaser.DebugUtils.context.moveTo(pointer.positionDown.x, pointer.positionDown.y);
            Phaser.DebugUtils.context.lineTo(pointer.position.x, pointer.position.y);
            Phaser.DebugUtils.context.lineWidth = 2;
            Phaser.DebugUtils.context.stroke();
            Phaser.DebugUtils.context.closePath();

            //  Render the text
            Phaser.DebugUtils.start(pointer.x, pointer.y - 100, color);

            Phaser.DebugUtils.line('ID: ' + pointer.id + " Active: " + pointer.active);
            Phaser.DebugUtils.line('World X: ' + pointer.worldX + " World Y: " + pointer.worldY);
            Phaser.DebugUtils.line('Screen X: ' + pointer.x + " Screen Y: " + pointer.y);
            Phaser.DebugUtils.line('Duration: ' + pointer.duration + " ms");

        }

        /**
         * Render Sprite Input Debug information
         * @param x {number} X position of the debug info to be rendered.
         * @param y {number} Y position of the debug info to be rendered.
         * @param [color] {number} color of the debug info to be rendered. (format is css color string)
         */
        static renderSpriteInputInfo(sprite: Phaser.Sprite, x: number, y: number, color: string = 'rgb(255,255,255)') {

            Phaser.DebugUtils.start(x, y, color);

            Phaser.DebugUtils.line('Sprite Input: (' + sprite.width + ' x ' + sprite.height + ')');
            Phaser.DebugUtils.line('x: ' + sprite.input.pointerX().toFixed(1) + ' y: ' + sprite.input.pointerY().toFixed(1));
            Phaser.DebugUtils.line('over: ' + sprite.input.pointerOver() + ' duration: ' + sprite.input.overDuration().toFixed(0));
            Phaser.DebugUtils.line('down: ' + sprite.input.pointerDown() + ' duration: ' + sprite.input.downDuration().toFixed(0));
            Phaser.DebugUtils.line('just over: ' + sprite.input.justOver() + ' just out: ' + sprite.input.justOut());

        }

        /**
         * Render debug information about the Input object.
         * @param x {number} X position of the debug info to be rendered.
         * @param y {number} Y position of the debug info to be rendered.
         * @param [color] {number} color of the debug info to be rendered. (format is css color string)
         */
        static renderInputInfo(x: number, y: number, color: string = 'rgb(255,255,255)') {

            Phaser.DebugUtils.start(x, y, color);

            if (Phaser.DebugUtils.game.input.camera)
            {
                Phaser.DebugUtils.line('Input - Camera: ' + Phaser.DebugUtils.game.input.camera.ID);
            }
            else
            {
                Phaser.DebugUtils.line('Input - Camera: null');
            }

            Phaser.DebugUtils.line('X: ' + Phaser.DebugUtils.game.input.x + ' Y: ' + Phaser.DebugUtils.game.input.y);
            Phaser.DebugUtils.line('World X: ' + Phaser.DebugUtils.game.input.worldX + ' World Y: ' + Phaser.DebugUtils.game.input.worldY);
            Phaser.DebugUtils.line('Scale X: ' + Phaser.DebugUtils.game.input.scale.x.toFixed(1) + ' Scale Y: ' + Phaser.DebugUtils.game.input.scale.x.toFixed(1));
            Phaser.DebugUtils.line('Screen X: ' + Phaser.DebugUtils.game.input.activePointer.screenX + ' Screen Y: ' + Phaser.DebugUtils.game.input.activePointer.screenY);

        }

        static renderSpriteWorldView(sprite: Phaser.Sprite, x: number, y: number, color: string = 'rgb(255,255,255)') {

            Phaser.DebugUtils.start(x, y, color);
            Phaser.DebugUtils.line('Sprite World Coords (' + sprite.width + ' x ' + sprite.height + ')');
            Phaser.DebugUtils.line('x: ' + sprite.worldView.x + ' y: ' + sprite.worldView.y);
            Phaser.DebugUtils.line('bottom: ' + sprite.worldView.bottom + ' right: ' + sprite.worldView.right.toFixed(1));

        }

        static renderSpriteWorldViewBounds(sprite: Phaser.Sprite, color: string = 'rgba(0,255,0,0.3)') {

            Phaser.DebugUtils.renderRectangle(sprite.worldView, color);

        }

        /**
         * Render debug infos. (including name, bounds info, position and some other properties)
         * @param x {number} X position of the debug info to be rendered.
         * @param y {number} Y position of the debug info to be rendered.
         * @param [color] {number} color of the debug info to be rendered. (format is css color string)
         */
        static renderSpriteInfo(sprite: Phaser.Sprite, x: number, y: number, color: string = 'rgb(255,255,255)') {

            Phaser.DebugUtils.start(x, y, color);
            Phaser.DebugUtils.line('Sprite: ' + ' (' + sprite.width + ' x ' + sprite.height + ') origin: ' + sprite.transform.origin.x + ' x ' + sprite.transform.origin.y);
            Phaser.DebugUtils.line('x: ' + sprite.x.toFixed(1) + ' y: ' + sprite.y.toFixed(1) + ' rotation: ' + sprite.rotation.toFixed(1));
            Phaser.DebugUtils.line('wx: ' + sprite.worldView.x + ' wy: ' + sprite.worldView.y + ' ww: ' + sprite.worldView.width.toFixed(1) + ' wh: ' + sprite.worldView.height.toFixed(1) + ' wb: ' + sprite.worldView.bottom + ' wr: ' + sprite.worldView.right);
            Phaser.DebugUtils.line('sx: ' + sprite.transform.scale.x.toFixed(1) + ' sy: ' + sprite.transform.scale.y.toFixed(1));
            Phaser.DebugUtils.line('tx: ' + sprite.texture.width.toFixed(1) + ' ty: ' + sprite.texture.height.toFixed(1));
            Phaser.DebugUtils.line('center x: ' + sprite.transform.center.x + ' y: ' + sprite.transform.center.y);
            Phaser.DebugUtils.line('cameraView x: ' + sprite.cameraView.x + ' y: ' + sprite.cameraView.y + ' width: ' + sprite.cameraView.width + ' height: ' + sprite.cameraView.height);
            Phaser.DebugUtils.line('inCamera: ' + Phaser.DebugUtils.game.renderer.spriteRenderer.inCamera(Phaser.DebugUtils.game.camera, sprite));

        }

        static renderSpriteBounds(sprite: Phaser.Sprite, camera: Phaser.Camera = null, color: string = 'rgba(0,255,0,0.2)') {

            if (camera == null)
            {
                camera = Phaser.DebugUtils.game.camera;
            }

            var dx = sprite.worldView.x;
            var dy = sprite.worldView.y;

            Phaser.DebugUtils.context.fillStyle = color;
            Phaser.DebugUtils.context.fillRect(dx, dy, sprite.width, sprite.height);

        }

        static renderPixel(x: number, y: number, fillStyle: string = 'rgba(0,255,0,1)') {

            Phaser.DebugUtils.context.fillStyle = fillStyle;
            Phaser.DebugUtils.context.fillRect(x, y, 1, 1);

        }

        static renderPoint(point: Phaser.Point, fillStyle: string = 'rgba(0,255,0,1)') {

            Phaser.DebugUtils.context.fillStyle = fillStyle;
            Phaser.DebugUtils.context.fillRect(point.x, point.y, 1, 1);

        }

        static renderRectangle(rect: Phaser.Rectangle, fillStyle: string = 'rgba(0,255,0,0.3)') {

            Phaser.DebugUtils.context.fillStyle = fillStyle;
            Phaser.DebugUtils.context.fillRect(rect.x, rect.y, rect.width, rect.height);

        }

        static renderCircle(circle: Phaser.Circle, fillStyle: string = 'rgba(0,255,0,0.3)') {

            Phaser.DebugUtils.context.fillStyle = fillStyle;
            Phaser.DebugUtils.context.arc(circle.x, circle.y, circle.radius, 0, Math.PI * 2, false);
            Phaser.DebugUtils.context.fill();

        }

        /**
         * Render text
         * @param x {number} X position of the debug info to be rendered.
         * @param y {number} Y position of the debug info to be rendered.
         * @param [color] {number} color of the debug info to be rendered. (format is css color string)
         */
        static renderText(text: string, x: number, y: number, color: string = 'rgb(255,255,255)', font: string = '16px Courier') {

            Phaser.DebugUtils.context.font = font;
            Phaser.DebugUtils.context.fillStyle = color;
            Phaser.DebugUtils.context.fillText(text, x, y);

        }

        /*
        public render(context:CanvasRenderingContext2D) {

            context.beginPath();
            context.strokeStyle = 'rgb(0,255,0)';
            context.strokeRect(this.position.x - this.bounds.halfWidth, this.position.y - this.bounds.halfHeight, this.bounds.width, this.bounds.height);
            context.stroke();
            context.closePath();

            //  center point
            context.fillStyle = 'rgb(0,255,0)';
            context.fillRect(this.position.x, this.position.y, 2, 2);

            if (this.touching & Phaser.Types.LEFT)
            {
                context.beginPath();
                context.strokeStyle = 'rgb(255,0,0)';
                context.moveTo(this.position.x - this.bounds.halfWidth, this.position.y - this.bounds.halfHeight);
                context.lineTo(this.position.x - this.bounds.halfWidth, this.position.y + this.bounds.halfHeight);
                context.stroke();
                context.closePath();
            }
            if (this.touching & Phaser.Types.RIGHT)
            {
                context.beginPath();
                context.strokeStyle = 'rgb(255,0,0)';
                context.moveTo(this.position.x + this.bounds.halfWidth, this.position.y - this.bounds.halfHeight);
                context.lineTo(this.position.x + this.bounds.halfWidth, this.position.y + this.bounds.halfHeight);
                context.stroke();
                context.closePath();
            }

            if (this.touching & Phaser.Types.UP)
            {
                context.beginPath();
                context.strokeStyle = 'rgb(255,0,0)';
                context.moveTo(this.position.x - this.bounds.halfWidth, this.position.y - this.bounds.halfHeight);
                context.lineTo(this.position.x + this.bounds.halfWidth, this.position.y - this.bounds.halfHeight);
                context.stroke();
                context.closePath();
            }
            if (this.touching & Phaser.Types.DOWN)
            {
                context.beginPath();
                context.strokeStyle = 'rgb(255,0,0)';
                context.moveTo(this.position.x - this.bounds.halfWidth, this.position.y + this.bounds.halfHeight);
                context.lineTo(this.position.x + this.bounds.halfWidth, this.position.y + this.bounds.halfHeight);
                context.stroke();
                context.closePath();
            }

        }
        */

        /**
         * Render debug infos. (including name, bounds info, position and some other properties)
         * @param x {number} X position of the debug info to be rendered.
         * @param y {number} Y position of the debug info to be rendered.
         * @param [color] {number} color of the debug info to be rendered. (format is css color string)
         */
        /*
        public renderDebugInfo(x: number, y: number, color: string = 'rgb(255,255,255)') {

            this.sprite.texture.context.fillStyle = color;
            this.sprite.texture.context.fillText('Sprite: (' + this.sprite.width + ' x ' + this.sprite.height + ')', x, y);
            //this.sprite.texture.context.fillText('x: ' + this._sprite.frameBounds.x.toFixed(1) + ' y: ' + this._sprite.frameBounds.y.toFixed(1) + ' rotation: ' + this._sprite.rotation.toFixed(1), x, y + 14);
            this.sprite.texture.context.fillText('x: ' + this.bounds.x.toFixed(1) + ' y: ' + this.bounds.y.toFixed(1) + ' rotation: ' + this.sprite.transform.rotation.toFixed(0), x, y + 14);
            this.sprite.texture.context.fillText('vx: ' + this.velocity.x.toFixed(1) + ' vy: ' + this.velocity.y.toFixed(1), x, y + 28);
            this.sprite.texture.context.fillText('acx: ' + this.acceleration.x.toFixed(1) + ' acy: ' + this.acceleration.y.toFixed(1), x, y + 42);
            this.sprite.texture.context.fillText('angVx: ' + this.angularVelocity.toFixed(1) + ' angAc: ' + this.angularAcceleration.toFixed(1), x, y + 56);

        }
        */


    }

}