////////////////////////////////////////////////////////////////////////////////
//
//  Licensed to the Apache Software Foundation (ASF) under one or more
//  contributor license agreements.  See the NOTICE file distributed with
//  this work for additional information regarding copyright ownership.
//  The ASF licenses this file to You under the Apache License, Version 2.0
//  (the "License"); you may not use this file except in compliance with
//  the License.  You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//
////////////////////////////////////////////////////////////////////////////////
package UnitTest.Tests
{
    import UnitTest.ExtendedClasses.VellumTestCase;
    import UnitTest.Fixtures.FileRepository;
    import UnitTest.Fixtures.TestConfig;

    import flash.display.*;
    import flash.geom.Rectangle;
    import flash.text.engine.TextLine;

    import flashx.textLayout.conversion.ITextImporter;
    import flashx.textLayout.conversion.TextConverter;
    import flashx.textLayout.elements.FlowLeafElement;
    import flashx.textLayout.elements.InlineGraphicElement;
    import flashx.textLayout.elements.TextFlow;
    import flashx.textLayout.factory.TextFlowTextLineFactory;

    import mx.containers.Canvas;

    import org.flexunit.asserts.fail;

    [TestCase(order=2)]
    public class FactoryImportTest extends VellumTestCase
    {
        private var ItemsToRemove:Array;
        private var TestCanvas:Canvas = null;
        private var fileForFactory:String;
        private var flowFromXML:TextFlow;

        public function FactoryImportTest()
        {
            super("", "EventOverrideTest", TestConfig.getInstance());

            containerType = "custom";
            fileForFactory = "simple.xml";

            metaData = {};
            // Note: These must correspond to a Watson product area (case-sensitive)
            metaData.productArea = "Import/Export";
        }

        [Before]
        override public function setUpTest():void
        {
            cleanUpTestApp();
            ItemsToRemove = [];
            TestDisplayObject = testApp.getDisplayObject();
            if (TestDisplayObject)
            {
                TestCanvas = Canvas(TestDisplayObject);
            }
            else
            {
                fail("Did not get a blank canvas to work with");
            }
        }

        [After]
        override public function tearDownTest():void
        {
            super.tearDownTest();
        }

        [Test]
        public function importTest():void
        {
            var xmlRoot:XML = FileRepository.getFileAsXML(baseURL, "../../test/testFiles/markup/tlf/" + fileForFactory);
            if (!xmlRoot)
            {
                fail("File not loaded -- timeout?");
                return;
            }
            var parser:ITextImporter = testDataImportParser;
            flowFromXML = parser.importToFlow(xmlRoot);
            processInlines(flowFromXML);
            buildVellumFactory();
        }

        private static function getExtension(fileName:String):String
        {
            var dotPos:int = fileName.lastIndexOf(".");
            if (dotPos >= 0)
                return fileName.substring(dotPos + 1);
            return fileName;
        }

        protected function get testDataImportParser():ITextImporter
        {
            var extension:String = getExtension(fileForFactory);
            if (extension == "xml")
                extension = TextConverter.TEXT_LAYOUT_FORMAT;
            else if (extension == "txt")
                extension = TextConverter.PLAIN_TEXT_FORMAT;
            return TextConverter.getImporter(extension);
        }

        private function processInlines(textFlow:TextFlow):void
        {
            for (var leaf:FlowLeafElement = textFlow.getFirstLeaf(); leaf; leaf = leaf.getNextLeaf())
            {
                if (leaf is InlineGraphicElement /* && InlineGraphicElement(leaf).source == null */)
                {
                    var ilg:InlineGraphicElement = InlineGraphicElement(leaf);

                    // Create a filler inline, simple filled rect
                    var displayObject:Sprite = new Sprite();
                    var g:Graphics = displayObject.graphics;
                    g.beginFill(0xFF0000);
                    g.drawRect(0, 0, Number(ilg.width), Number(ilg.height));
                    g.endFill();
                    ilg.source = displayObject;
                }
            }
        }

        private function callback(dispObj:DisplayObject):void
        {
            TestCanvas.rawChildren.addChild(dispObj);

            if (dispObj is TextLine)
            {
                ItemsToRemove.push(dispObj as TextLine);
            }
        }

        /** use the vellum factory via the callback */
        private function buildVellumFactory():void //DisplayObject
        {
            var factory:TextFlowTextLineFactory = new TextFlowTextLineFactory();
            factory.compositionBounds = new Rectangle(0, 0, TestCanvas.width, TestCanvas.height);
            factory.createTextLines(callback, flowFromXML);
        }
    }
}