<?php
namespace Fisharebest\Webtrees;

/**
 * webtrees: online genealogy
 * Copyright (C) 2015 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

use Rhumsaa\Uuid\Uuid;

/**
 * Class todo_WT_Module
 */
class todo_WT_Module extends Module implements ModuleBlockInterface {
	/** {@inheritdoc} */
	public function getTitle() {
		return /* I18N: Name of a module.  Tasks that need further research.  */ I18N::translate('Research tasks');
	}

	/** {@inheritdoc} */
	public function getDescription() {
		return /* I18N: Description of “Research tasks” module */ I18N::translate('A list of tasks and activities that are linked to the family tree.');
	}

	/** {@inheritdoc} */
	public function getBlock($block_id, $template = true, $cfg = null) {
		global $ctype, $controller;

		$show_other      = get_block_setting($block_id, 'show_other', '1');
		$show_unassigned = get_block_setting($block_id, 'show_unassigned', '1');
		$show_future     = get_block_setting($block_id, 'show_future', '1');
		$block           = get_block_setting($block_id, 'block', '1');

		if ($cfg) {
			foreach (array('show_unassigned', 'show_other', 'show_future', 'block') as $name) {
				if (array_key_exists($name, $cfg)) {
					$$name = $cfg[$name];
				}
			}
		}

		$id    = $this->getName() . $block_id;
		$class = $this->getName() . '_block';
		if ($ctype === 'gedcom' && WT_USER_GEDCOM_ADMIN || $ctype === 'user' && Auth::check()) {
			$title = '<i class="icon-admin" title="' . I18N::translate('Configure') . '" onclick="modalDialog(\'block_edit.php?block_id=' . $block_id . '\', \'' . $this->getTitle() . '\');"></i>';
		} else {
			$title = '';
		}
		$title .= $this->getTitle();

		$table_id = Uuid::uuid4(); // create a unique ID

		$controller
			->addExternalJavascript(WT_JQUERY_DATATABLES_JS_URL)
			->addInlineJavascript('
			jQuery("#' . $table_id . '").dataTable({
				dom: \'t\',
				' . I18N::datatablesI18N() . ',
				autoWidth: false,
				paginate: false,
				lengthChange: false,
				filter: false,
				info: true,
				jQueryUI: true,
				columns: [
					/* 0-DATE */     { visible: false },
					/* 1-Date */     { dataSort: 0 },
					/* 1-Record */   null,
					/* 2-Username */ null,
					/* 3-Text */     null
				]
			});
			jQuery("#' . $table_id . '").css("visibility", "visible");
			jQuery(".loading-image").css("display", "none");
		');

		$content = '';
		$content .= '<div class="loading-image">&nbsp;</div>';
		$content .= '<table id="' . $table_id . '" style="visibility:hidden;">';
		$content .= '<thead><tr>';
		$content .= '<th>DATE</th>'; //hidden by datables code
		$content .= '<th>' . WT_Gedcom_Tag::getLabel('DATE') . '</th>';
		$content .= '<th>' . I18N::translate('Record') . '</th>';
		if ($show_unassigned || $show_other) {
			$content .= '<th>' . I18N::translate('Username') . '</th>';
		}
		$content .= '<th>' . WT_Gedcom_Tag::getLabel('TEXT') . '</th>';
		$content .= '</tr></thead><tbody>';

		$found = false;
		$end_jd = $show_future ? 99999999 : WT_CLIENT_JD;
		foreach (get_calendar_events(0, $end_jd, '_TODO', WT_GED_ID) as $fact) {
			$record = $fact->getParent();
			$user_name = $fact->getAttribute('_WT_USER');
			if ($user_name === Auth::user()->getUserName() || !$user_name && $show_unassigned || $user_name && $show_other) {
				$content .= '<tr>';
				//-- Event date (sortable)
				$content .= '<td>'; //hidden by datables code
				$content .= $fact->getDate()->JD();
				$content .= '</td>';
				$content .= '<td class="wrap">' . $fact->getDate()->display() . '</td>';
				$content .= '<td class="wrap"><a href="' . $record->getHtmlUrl() . '">' . $record->getFullName() . '</a></td>';
				if ($show_unassigned || $show_other) {
					$content .= '<td class="wrap">' . $user_name . '</td>';
				}
				$text = $fact->getValue();
				$content .= '<td class="wrap">' . $text . '</td>';
				$content .= '</tr>';
				$found = true;
			}
		}

		$content .= '</tbody></table>';
		if (!$found) {
			$content .= '<p>' . I18N::translate('There are no research tasks in this family tree.') . '</p>';
		}

		if ($template) {
			if ($block) {
				$class .= ' small_inner_block';
			}
			return Theme::theme()->formatBlock($id, $title, $class, $content);
		} else {
			return $content;
		}
	}

	/** {@inheritdoc} */
	public function loadAjax() {
		return false;
	}

	/** {@inheritdoc} */
	public function isUserBlock() {
		return true;
	}

	/** {@inheritdoc} */
	public function isGedcomBlock() {
		return true;
	}

	/** {@inheritdoc} */
	public function configureBlock($block_id) {
		if (Filter::postBool('save') && Filter::checkCsrf()) {
			set_block_setting($block_id, 'show_other', Filter::postBool('show_other'));
			set_block_setting($block_id, 'show_unassigned', Filter::postBool('show_unassigned'));
			set_block_setting($block_id, 'show_future', Filter::postBool('show_future'));
			set_block_setting($block_id, 'block', Filter::postBool('block'));
		}

		$show_other      = get_block_setting($block_id, 'show_other', '1');
		$show_unassigned = get_block_setting($block_id, 'show_unassigned', '1');
		$show_future     = get_block_setting($block_id, 'show_future', '1');
		$block           = get_block_setting($block_id, 'block', '1');

		?>
		<tr>
			<td colspan="2">
				<?php echo I18N::translate('Research tasks are special events, added to individuals in your family tree, which identify the need for further research.  You can use them as a reminder to check facts against more reliable sources, to obtain documents or photographs, to resolve conflicting information, etc.'); ?>
				<?php echo I18N::translate('To create new research tasks, you must first add “research task” to the list of facts and events in the family tree’s preferences.'); ?>
				<?php echo I18N::translate('Research tasks are stored using the custom GEDCOM tag “_TODO”.  Other genealogy applications may not recognize this tag.'); ?>
			</td>
		</tr>
		<?php

		echo '<tr><td class="descriptionbox wrap width33">';
		echo I18N::translate('Show research tasks that are assigned to other users');
		echo '</td><td class="optionbox">';
		echo edit_field_yes_no('show_other', $show_other);
		echo '</td></tr>';

		echo '<tr><td class="descriptionbox wrap width33">';
		echo I18N::translate('Show research tasks that are not assigned to any user');
		echo '</td><td class="optionbox">';
		echo edit_field_yes_no('show_unassigned', $show_unassigned);
		echo '</td></tr>';

		echo '<tr><td class="descriptionbox wrap width33">';
		echo I18N::translate('Show research tasks that have a date in the future');
		echo '</td><td class="optionbox">';
		echo edit_field_yes_no('show_future', $show_future);
		echo '</td></tr>';

		echo '<tr><td class="descriptionbox wrap width33">';
		echo /* I18N: label for a yes/no option */ I18N::translate('Add a scrollbar when block contents grow');
		echo '</td><td class="optionbox">';
		echo edit_field_yes_no('block', $block);
		echo '</td></tr>';
	}
}
