<?php

require_once dirname(__FILE__) . '/' . 'Node.php';

class UI_Table extends UI_Node { // TODO:??? implements UITagInterface {

	public $tagName, $props, $childrens;

	function __construct($tagName = null, $props = null, $childrens = null) {
		// parent::__construct($tagName, $props, $childrens);
		if (!empty($childrens)) throw new Exception("Childrens not allowed for Node 'p5:Table'");

		$this->tagName = 'table';
		$this->props = [
			'class' => 'table table-bordered table-hover',
		];
		$args = [ // default values
			'empty_msg' => 'Brak danych',
			'disable_lp' => false,
			'cell_padding' => 2,
			'cols_help' => [],
			'hidden_cols' => [],
			'tbody_attributes' => [],
			'list_col_class' => [], // [ colName => class ] from $props['@class[{$colName}]']
			'list_col_style' => [], // [ colName => style ] from $props['@style[{$colName}]']
		];
		foreach ($props as $key => $value) {
			switch ($key) {
				case 'cols': $args['cols'] = $value; break;
				case 'rows': $args['rows'] = $value; break;
				case 'cols_help': $args['cols_help'] = $value; break;
				case 'cols_label': $args['cols_label'] = $value; break;
				case 'caption': $args['caption'] = $value; break;
				case 'cell_padding': $args['cell_padding'] = (int)$value; break;
				case 'disable_lp': $args['disable_lp'] = (bool)$value; break;
				case 'hidden_cols': $args['hidden_cols'] = $value; break;
				case 'empty_msg': $args['empty_msg'] = $value; break;
				case '@tbody.id': $args['tbody_attributes']['id'] = $value; break;
				case '@class': {
					$this->props['class'] = $value;
				} break;
				case '__html_id': {
					$this->props['id'] = $value;
				} break;
				default: {
					if ('@class[' === substr($key, 0, strlen('@class['))) {
						$colName = substr($key, strlen('@class['), -1);
						$args['list_col_class'][$colName] = $value;
					} else if ('@style[' === substr($key, 0, strlen('@style['))) {
						$colName = substr($key, strlen('@style['), -1);
						$args['list_col_style'][$colName] = $value;
					} else {
						$this->props[$key] = $value;
					}
				} break;
			}
		}
		$this->childrens = null;

		$countCols = 1;
		if (empty($args['cols']) && !empty($args['rows'])) {
			$firstRow = array();
			foreach ($args['rows'] as $row) {
				$firstRow = $row;
				break;
			}
			$args['cols'] = array_filter(
				array_keys((array)$firstRow),
				function ($col) {
					return ('@' != substr($col, 0, 1));
				}
			);
		}
		$countCols = count($args['cols']);
		$countCols = ($args['disable_lp']) ? $countCols : $countCols + 1;
		{ // $help
			$help = array();
			foreach ($args['cols'] as $name) {
				$helpMsg = V::get($name, '', $args['cols_help']);
				if (empty($helpMsg)) continue;
				$help[$name] = UI::node('i', [
					'class' => "glyphicon glyphicon-question-sign",
					'title' => $helpMsg
				]);
			}
		}
		{ // $label
			$label = array();
			foreach ($args['cols'] as $name) {
				$label[$name] = V::get($name, $name, $args['cols_label']);
			}
		}

		if (!empty($args['caption'])) $this->childrens[] = UI::node('caption', [], $args['caption']);

		if (!empty($args['cols'])) {
			$this->childrens[] = UI::node('thead', null, [
				UI::node('tr', null, array_merge(
					$args['disable_lp']
					?	[]
					:	[ UI::node('th', [ 'style' => [ 'padding' => "{$args['cell_padding']}px" ] ], "Lp.") ]
					,
					array_map(function ($colName) use ($args, $label, $help) {
						if (in_array($colName, $args['hidden_cols'])) return null;

						return UI::node('th', [
							'class' => (empty($args['list_col_class'][$colName])) ? '' : $args['list_col_class'][$colName],
							'style' => "padding:{$args['cell_padding']}px" . (empty($args['list_col_style'][$colName]) ? '' : ";{$args['list_col_style'][$colName]}"),
							// 'style' => array_merge([ 'padding' => "{$args['cell_padding']}px" ],
							// 	empty($args['list_col_style'][$colName]) ? [] : $args['list_col_style'][$colName] // TODO: fix style to Array
							// )
						], [
							$label[$colName],
							(!empty($help[$colName])) ? ' ' . $help[$colName] : '',
						]);
					}, $args['cols'])
				)),
			]);
		}

		$this->childrens[] = UI::node('tbody', $args['tbody_attributes'],
			(empty($args['rows']))
			?	[
					UI::node('tr', [], [
						UI::node('td', [ 'style' => [ 'padding' => "{$args['cell_padding']}px" ], 'colspan' => $countCols ], $args['empty_msg']),
					]),
				]
			:	array_map(function ($row, $lp) use ($args) {
					$trAttrs = array();
					if (!empty($row['@onClick'])) $trAttrs['onClick'] = $row['@onClick'];
					if (!empty($row['@class'])) $trAttrs['class'] = $row['@class'];
					if (!empty($row['@style'])) $trAttrs['style'] = $row['@style']; // TODO: fix style to Array
					if (!empty($row['@data'])) foreach ($row['@data'] as $k => $v) $trAttrs["data-{$k}"] = $v;

					return UI::node('tr', $trAttrs, array_merge(
						($args['disable_lp'])
						?	[]
						:	[
								UI::node('th', [ 'style' => [ 'padding' => "{$args['cell_padding']}px", 'color' => "#ccc" ] ], $lp),
							]
						,
						array_map(function ($colName) use ($row, $args) {
							if (in_array($colName, $args['hidden_cols'])) return null;

							$rowAttrs = [ 'style' => "padding:{$args['cell_padding']}px" ];
							// $rowAttrs = [ 'style' => [ 'padding' => "{$args['cell_padding']}px" ] ];
							if (!empty($row["@onClick[{$colName}]"])) $rowAttrs['onClick'] = $row["@onClick[{$colName}]"];
							if (!empty($row["@class[{$colName}]"])) $rowAttrs['class'] = $row["@class[{$colName}]"];
							if (!empty($row["@style[{$colName}]"])) $rowAttrs['style'] .= "; " . $row["@style[{$colName}]"];
							// if (!empty($row["@style[{$colName}]"])) $rowAttrs['style'] = array_merge($rowAttrs['style'], $row["@style[{$colName}"]); // TODO: fix style to Array

							return UI::node('td', $rowAttrs, V::get($colName, '', $row));
						}, $args['cols'])
					));
				}, $args['rows'], range(1, count($args['rows'])))
		);
	}

}