/*
 * (c) Copyright Ascensio System SIA 2010-2025
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation. In accordance with
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
 * street, Riga, Latvia, EU, LV-1050.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */

"use strict";

$(function () {
	
	const charWidth = AscTest.CharWidth * AscTest.FontSize;
	
	const L_FIELD = 20 * charWidth;
	const R_FIELD = 30 * charWidth;
	const PAGE_W  = 80 * charWidth;
	
	let logicDocument = AscTest.CreateLogicDocument();
	function initDocument()
	{
		AscTest.ClearDocument();
		logicDocument.AddToContent(0, AscTest.CreateParagraph());
		
		let sectPr = AscTest.GetFinalSection();
		sectPr.SetPageSize(PAGE_W, 1000);
		sectPr.SetPageMargins(L_FIELD, 50, R_FIELD, 50);
	}
	
	function checkLineHeight(assert, para, lines)
	{
		for (let i = 0, lineCount = Math.min(lines.length, para.GetLinesCount()); i < lineCount; ++i)
		{
			let _line = para.getLine(i);
			assert.close(_line.Bottom - _line.Top, lines[i], 0.001, "Check height for " + i + " line");
		}
	}
	
	QUnit.module("Test paragraph line height", {
		beforeEach : function()
		{
			initDocument();
			AscTest.SetCompatibilityMode(AscCommon.document_compatibility_mode_Current);
		}
	});
	
	// bug #74622
	QUnit.test("Test non-zero Y positioning for the whole line of text", function(assert)
	{
		let p1 = logicDocument.GetElement(0);
		
		p1.SetParagraphSpacing({After : 0, Before : 0, LineRule : linerule_Auto, Line : 1});
		p1.SetParagraphIndent({FirstLine : 0, Left : 0, Right : 0});
		
		AscTest.AddTextToParagraph(p1, "First line ________________ ");
		let run = AscTest.AddTextToParagraph(p1, "Second line");
		AscTest.Recalculate();
		
		assert.strictEqual(p1.getTextInLineRange(0, 0), "First line ________________ ", "Check the text in the first line");
		assert.strictEqual(p1.getTextInLineRange(1, 0), "Second line\r\n", "Check the text in the second line");
		
		checkLineHeight(assert, p1, [20, 20]);
		
		run.Set_Position(3);
		AscTest.Recalculate();
		checkLineHeight(assert, p1, [20, 20]);
		
		run.Set_Position(10);
		AscTest.Recalculate();
		checkLineHeight(assert, p1, [20, 25]);
		
		run.Set_Position(-10);
		AscTest.Recalculate();
		checkLineHeight(assert, p1, [20, 20]);
		
		run.Set_Position(-20);
		AscTest.Recalculate();
		checkLineHeight(assert, p1, [20, 25]);
	});
});