<?php

class DAttrBase
{
	public $_htmlName;
	public $_key;
	public $_helpKey;
	public $_type;
	public $_minVal;
	public $_maxVal;
	public $_inputType;
	public $_inputAttr;
	public $_label;
	public $_allowNull;
	public $_glue;
	public $_href;
	public $_hrefLink;
	public $_multiInd;
	public $_FDE = 'YYY'; //File:Display:Editable
	public $_note;
	public $_icon;
	public $_linkedkeys;

	public function __construct($key, $type, $label, $inputType=null, $allowNull=true,
								$min=null, $max=null, $inputAttr=null, $multiInd=0, $helpKey=null)
	{
		$this->_htmlName = $key;
		$this->_key = $key;
		$this->_type = $type;
		$this->_label = $label;
		$this->_minVal = $min;
		$this->_maxVal = $max;
		$this->_inputType = $inputType;
		$this->_inputAttr = $inputAttr;
		$this->_allowNull = $allowNull;
		$this->_multiInd = $multiInd;
		$this->_helpKey = ($helpKey == null)? $key:$helpKey;
	}

	public function dup($key, $label, $helpkey)
	{
		$cname = get_class($this);
		$d = new $cname($this->_key, $this->_type, $this->_label, $this->_inputType, $this->_allowNull,
				$this->_minVal, $this->_maxVal, $this->_inputAttr, $this->_multiInd, $this->_helpKey);

		$d->_htmlName = $this->_htmlName;
		$d->_glue = $this->_glue;
		$d->_href = $this->_href;
		$d->_hrefLink = $this->_hrefLink;
		$d->_FDE = $this->_FDE;
		$d->_note = $this->_note;
		$d->_icon = $this->_icon;
		$d->_linkedkeys = $this->_linkedkeys;


		if ($key) {
			$d->_htmlName = $key;
			$d->_key = $key;
		}
		if ($label) {
			$d->_label = $label;
		}

		if ($helpkey) {
			$d->_helpKey = $helpkey;
		}

		return $d;
	}

	protected function extractCheckBoxOr()
    {
        $value = 0;
        $novalue = 1;
        foreach ($this->_maxVal as $val => $disp) {
            $name = $this->_key . $val;
            if (isset($_POST[$name]) && ($val !== '')) {
                $novalue = 0;
                $value = $value | $val;
            }
        }
        return ( $novalue ? '' : $value );
    }

    protected function extractSplitMultiple(&$value)
	{
		if ($this->_glue == ' ') {
			$vals = preg_split("/[,; ]+/", $value, -1, PREG_SPLIT_NO_EMPTY);
		} else {
			$vals = preg_split("/[,;]+/", $value, -1, PREG_SPLIT_NO_EMPTY);
		}

		$vals1 = [];
		foreach ($vals as $val) {
			$val1 = trim($val);
			if (strlen($val1) > 0 && !in_array($val1, $vals1)) {
				$vals1[] = $val1;
			}
		}

		if ($this->_glue == ' ') {
			$value = implode(' ', $vals1);
		} else {
			$value = implode(', ', $vals1);
		}
	}

	protected function toHtmlContent($cval, $refUrl = null)
	{
		$o = '';
		if ($cval == null || !$cval->HasVal()) {
			$o .= '<span class="field_novalue">Not Set</span>';
			return $o;
		}

		$value = $cval->GetVal();
		$err = $cval->GetErr();
		$quoted_value = ($value !== null) ? htmlspecialchars($value, ENT_QUOTES) : '';

		if ($this->_type == 'sel1' && $value && !array_key_exists($value, $this->_maxVal)) {
			$err = 'Invalid value - ' . $quoted_value;
		} elseif ($err) {
			$type3 = substr($this->_type, 0, 3);
			if ($type3 == 'fil' || $type3 == 'pat') {
				$validator = new ConfValidation();
				$validator->chkAttr_file_val($this, $value, $err);
				//error_log('revalidate path ' . $value);
			}
		}

		if ($err) {
			$cval->SetErr($err);
			$o .= '<span class="field_error">*' . $err . '</span><br>';
		}

		if ($this->_href) {
			$link = $this->_hrefLink;
			if (strpos($link, '$V')) {
				$link = str_replace('$V', urlencode($value), $link);
			}
			$o .= '<span class="field_url"><a href="' . $link . '">';
		} elseif ($refUrl) {
			$o .= '<span class="field_refUrl"><a href="' . $refUrl . '">';
		}


		if ($this->_type === 'bool') {
			if ($value === '1') {
				$o .= 'Yes';
			} elseif ($value === '0') {
				$o .= 'No';
			} else {
				$o .= '<span class="field_novalue">Not Set</span>';
			}
		} else if ($this->_key == "note") {
			$o .= '<textarea readonly rows=4 cols=60 style="width:100%">' . $quoted_value . '</textarea>';
		} elseif ($this->_type === 'sel' || $this->_type === 'sel1') {
			if ($this->_maxVal && array_key_exists($value, $this->_maxVal)) {
				$o .= $this->_maxVal[$value];
			} else {
				$o .= $quoted_value;
			}
		} elseif ($this->_type === 'checkboxOr') {
			if ($this->_minVal !== null && ($value === '' || $value === null)) {
				// has default value, for "Not set", set default val
				$value = $this->_minVal;
			}
			foreach ($this->_maxVal as $val => $name) {
				if (($value === $val) || ($value === '0' && $val === 0) || ($value !== '' && $val !== '' && (intval($value) & intval($val)) > 0)) {
					$gif = 'checked.gif';
				} else {
					$gif = 'unchecked.gif';
				}
				$o .= '<img src="/static/images/graphics/' . $gif . '" width="12" height="12"> ';
				$o .= $name . '&nbsp;&nbsp;&nbsp;';
			}
		} elseif ($this->_inputType === 'textarea1') {
			$o .= '<textarea readonly ' . $this->_inputAttr . '>' . $quoted_value . '</textarea>';
		} elseif ($this->_inputType === 'text') {
			$o .= '<span class="field_text">' . $quoted_value . '</span>';
		} elseif ($this->_type == 'ctxseq') {
			$o = $value . '&nbsp;&nbsp;<a href=' . $this->_hrefLink . $value . '>&nbsp;+&nbsp;</a>';
			$o .= '/<a href=' . $this->_hrefLink . '-' . $value . '>&nbsp;-&nbsp;';
		} elseif ($this->_type == 'action') {
			$o .= $value;
		} elseif ($value) {
			$o .= htmlspecialchars($value);
		}


		if ($this->_href || $refUrl) {
			$o .= '</a></span>';
		}
		return $o;
	}

	protected function getNote()
	{
		if ($this->_note) {
			return $this->_note;
		}
		if ($this->_type == 'uint') {
			if ($this->_maxVal) {
				return 'number valid range: ' . $this->_minVal . ' - ' . $this->_maxVal;
			} 
			if ($this->_minVal) {
				return 'number >= ' . $this->_minVal;
			}
		} elseif ($this->_type == 'parse' && $this->_maxVal) {
			return 'Syntax: ' . $this->_maxVal; // parsehelp
		}

		return null;
	}

	protected function genOptions($options, $selValue)
	{
		$o = '';
		if ($options) {
			foreach ($options as $key => $value) {
				if ($key === 'forcesel') {
					$o .= '<option disabled ';
					if ($selValue === null || $selValue === '') {
						$o .= 'selected';
					}
				} else {
					$o .= '<option value="' . $key . '"';
					if ($key == $selValue) {
						if (!($selValue === '' && $key === 0) && !($selValue === null && $key === 0) && !($selValue === '0' && $key === '') && !($selValue === 0 && $key === '')) {
							$o .= ' selected';
						}
					}
				}
				$o .= ">$value</option>\n";
			}
		}
		return $o;
	}

	public function extractPost()
	{
		$cval = null;
		$postVal = DUtil::grab_input("post", $this->_htmlName);
		if ($this->_multiInd == 2) {
			$cval = [];
			$v = preg_split("/\n+/", $postVal, -1, PREG_SPLIT_NO_EMPTY);
			foreach ($v as $vi) {
				$cval[] = new CVal(trim($vi));
			}
		} elseif ($this->_type === 'checkboxOr') {
			$value = $this->extractCheckBoxOr();
			$cval = new CVal($value);
		} else {
			$value = trim($postVal);
			if ($this->_multiInd == 1) {
				$this->extractSplitMultiple($value);
			}
			if ($this->_inputType === 'textarea1') {
				$value = "\n$value\n";  // add line break for easy editing
			}
			$cval = new CVal($value);
		}
		return $cval;
	}

	public function toHtml(&$data, $refUrl = null, $linkedData = null)
	{
		$o = '';
		if ($this->_type == 'action') {
			$o .= $this->toHtmlContent(new CVal($data));
		} elseif (is_array($data)) {
			for ($i = 0; $i < count($data); ++$i) {
				$o .= $this->toHtmlContent($data[$i], $refUrl);
				$o .= '<br>';
			}
		} else {
			$o .= $this->toHtmlContent($data, $refUrl);
		}
		return $o;
	}

	public function toHtmlInput(&$data, $seq = null, $isDisable = false)
	{
		$err = '';
		if (is_array($data)) {
			$value = [];
			foreach ($data as $d) {
				$value[] = $d->GetVal();
				$e1 = $d->GetErr();
				if ($e1) {
					$err .= $e1 . '<br>';
				}
			}
		} else {
			if ($data) {
				$value = $data->GetVal();
				$err = $data->GetErr();
			} else {
				$value = null;
			}
		}

		if (is_array($value) && $this->_inputType != 'checkbox') {
			if ($this->_multiInd == 1) {
				$glue = ', ';
			} else {
				$glue = "\n";
			}
			$value = implode($glue, $value);
		}
		$name = $this->_htmlName;
		if ($seq) {
			$name .= $seq;
		}

		$inputAttr = $this->_inputAttr;
		if ($isDisable) {
			$inputAttr .= ' disabled';
		}

		$quoted_value = ($value !== null) ? htmlspecialchars($value, ENT_QUOTES) : $value;
		$input = '';
		$note = $this->getNote();
		if ($note) {
			$input .= '<span class="field_note">' . htmlspecialchars($note, ENT_QUOTES) . '</span><br>';
		}
		if ($err) {
			$input .= '<span class="field_error">*';
			$type3 = substr($this->_type, 0, 3);
			if ($type3 == 'fil' || $type3 == 'pat') {
				$input .= $err . '</span><br>';
			} else {
				$input .= htmlspecialchars($err, ENT_QUOTES) . '</span><br>';
			}
		}

		$style = 'xtbl_value';
		if ($this->_inputType === 'text') {
			$input .= '<input class="' . $style . '" type="text" name="' . $this->_htmlName . '" ' . $inputAttr . ' value="' . $quoted_value . '">';
			return $input;
		}
		if ($this->_inputType === 'password') {
			$input .= '<input class="' . $style . '" type="password" name="' . $this->_htmlName . '" ' . $inputAttr . ' value="' . $value . '">';
			return $input;
		}
		if ($this->_inputType === 'textarea' || $this->_inputType === 'textarea1') {
			$input .= '<textarea name="' . $name . '" ' . $inputAttr . '>' . $quoted_value . '</textarea>';
			return $input;
		}
		if ($this->_inputType === 'radio' && $this->_type === 'bool') {
			$input .= '<input type="radio" id="' . $name . '1" name="' . $name . '" ' . $inputAttr . ' value="1" ';
			if ($value == '1') {
				$input .= 'checked';
			}
			$input .= '><label for="' . $name . '1"> Yes </label>&nbsp;&nbsp;&nbsp;&nbsp;';
			$input .= '<input type="radio" id="' . $name . '0" name="' . $name . '" ' . $inputAttr . ' value="0" ';
			if ($value == '0') {
				$input .= 'checked';
			}
			$input .= '><label for="' . $name . '0"> No </label>';
			if ($this->_allowNull) {
				$input .= '&nbsp;&nbsp;&nbsp;&nbsp;<input type="radio" id="' . $name . '" name="' . $name . '" ' . $inputAttr . ' value="" ';
				if ($value != '0' && $value != '1') {
					$input .= 'checked';
				}
				$input .= '><label for="' . $name . '"> Not Set </label>';
			}
			return $input;
		}

		if ($this->_inputType === 'checkbox') {
			$id = $name . $value['val'];
			$input .= '<input type="checkbox" id="' . $id . '" name="' . $name . '" ' . $inputAttr . ' value="' . $value['val'] . '"';
			if ($value['chk']) {
				$input .= ' checked';
			}
			$input .= '><label for="' . $id . '"> ' . $value['val'] . ' </label>';
			return $input;
		}

		if ($this->_inputType === 'checkboxgroup') {
			if ($this->_minVal !== null && ($value === '' || $value === null)) {
				// has default value, for "Not set", set default val
				$value = $this->_minVal;
			}
			$js0 = $js1 = '';
			if (array_key_exists('0', $this->_maxVal) || array_key_exists('', $this->_maxVal)) {
				$chval = array_keys($this->_maxVal);
				foreach ($chval as $chv) {
					if ($chv == '0' || $chv === '') {
						$js1 = "document.confform.$name$chv.checked=false;";
					} else {
						$js0 .= "document.confform.$name$chv.checked=false;";
					}
				}
				$js1 = " onclick=\"$js1\"";
				$js0 = " onclick=\"$js0\"";
			}
			foreach ($this->_maxVal as $val => $disp) {
				$id = $name . $val;
				$input .= '<input type="checkbox" id="' . $id . '" name="' . $id . '" value="' . $val . '"';
				if (($value === $val) || ($value === '0' && $val === 0) || ($val !== '' && (((int) $value & (int) $val) > 0))) {
					$input .= ' checked';
				}
				$input .= ($val === '0' || $val === 0 || $val === '') ? $js0 : $js1;
				$input .= '><label for="' . $id . '"> ' . $disp . ' </label>&nbsp;&nbsp;';
			}
			return $input;
		}

		if ($this->_inputType === 'select') {
			$input .= '<select name="' . $name . '" ' . $inputAttr . '>';
			$input .= ($this->genOptions($this->_maxVal, $value));
			$input .= '</select>';
			return $input;
		}
	}

	public function populate_sel1_options($info, &$data)
	{
		$options = [];
		if ($this->_allowNull) {
			$options[''] = '';
		} else {
			$options['forcesel'] = '-- Please select --';
		}

		foreach ($this->_minVal as $loc) {
			$d = $info;
			$locs = explode(':', $loc);
			foreach ($locs as $l) {
				if (substr($l, 0, 2) == '$$') { //$$type!fcgi
					$t = strpos($l, '!');
					$tag = substr($l, 2, $t - 2);
					$tag0 = substr($l, $t + 1); // default
					if (isset($data[$tag]) && $data[$tag]->HasVal()) {
						$l = $data[$tag]->GetVal();
					} else {
						$l = $tag0;
					}
				}

				if (!empty($d[$l])) {
					$d = $d[$l];
				} else {
					$d = null;
					break;
				}
			}
			if ($d) {
				$options = $options + $d; // this is array add
			}
		}
		$this->_maxVal = $options;
	}

}