<?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/>.
 */

/**
 * print a table cell with sosa number
 *
 * @param integer $sosa
 * @param string  $pid optional pid
 * @param string  $arrowDirection   direction of link arrow
 */
function print_sosa_number($sosa, $pid = "", $arrowDirection = "up") {
	if (substr($sosa, -1, 1) == ".") {
		$personLabel = substr($sosa, 0, -1);
	} else {
		$personLabel = $sosa;
	}
	if ($arrowDirection == "blank") {
		$visibility = "hidden";
	} else {
		$visibility = "normal";
	}
	echo "<td class=\"subheaders center\" style=\"vertical-align: middle; text-indent: 0px; margin-top: 0px; white-space: nowrap; visibility: ", $visibility, ";\">";
	echo $personLabel;
	if ($sosa != "1" && $pid != "") {
		if ($arrowDirection == "left") {
			$dir = 0;
		} elseif ($arrowDirection == "right") {
			$dir = 1;
		} elseif ($arrowDirection == "down") {
			$dir = 3;
		} else {
			$dir = 2; // either 'blank' or 'up'
		}
		echo '<br>';
		print_url_arrow('#' . $pid, $pid, $dir);
	}
	echo '</td>';
}

/**
 * print the parents table for a family
 *
 * @param Family $family family gedcom ID
 * @param integer   $sosa   child sosa number
 * @param string    $label  indi label (descendancy booklet)
 * @param string    $parid  parent ID (descendancy booklet)
 * @param string    $gparid gd-parent ID (descendancy booklet)
 */
function print_family_parents(Family $family, $sosa = 0, $label = '', $parid = '', $gparid = '') {
	global $pbwidth, $pbheight;

	$husb = $family->getHusband();
	if ($husb) {
		echo '<a name="', $husb->getXref(), '"></a>';
	} else {
		$husb = new Individual('M', "0 @M@ INDI\n1 SEX M", null, WT_GED_ID);
	}
	$wife = $family->getWife();
	if ($wife) {
		echo '<a name="', $wife->getXref(), '"></a>';
	} else {
		$wife = new Individual('F', "0 @F@ INDI\n1 SEX F", null, WT_GED_ID);
	}

	if ($sosa) {
		echo '<p class="name_head">', $family->getFullName(), '</p>';
	}

	/**
	 * husband side
	 */
	echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\"><tr><td rowspan=\"2\">";
	echo "<table style=\"width: " . ($pbwidth) . "px; height: " . $pbheight . "px;\" border=\"0\"><tr>";
	if ($parid) {
		if ($husb->getXref() == $parid) {
			print_sosa_number($label);
		} else {
			print_sosa_number($label, "", "blank");
		}
	} elseif ($sosa) {
		print_sosa_number($sosa * 2);
	}
	if ($husb->isPendingAddtion()) {
		echo '<td valign="top" class="facts_value new">';
	} elseif ($husb->isPendingDeletion()) {
		echo '<td valign="top" class="facts_value old">';
	} else {
		echo '<td valign="top">';
	}
	print_pedigree_person($husb);
	echo "</td></tr></table>";
	echo "</td>";
	// husband’s parents
	$hfam = $husb->getPrimaryChildFamily();
	if ($hfam) {
		// remove the|| test for $sosa
		echo "<td rowspan=\"2\"><img src=\"" . Theme::theme()->parameter('image-hline') . "\" alt=\"\"></td><td rowspan=\"2\"><img src=\"" . Theme::theme()->parameter('image-vline') . "\" width=\"3\" height=\"" . ($pbheight + 9) . "\" alt=\"\"></td>";
		echo "<td><img class=\"line5\" src=\"" . Theme::theme()->parameter('image-hline') . "\" alt=\"\"></td><td>";
		// husband’s father
		if ($hfam && $hfam->getHusband()) {
			echo "<table style=\"width: " . ($pbwidth) . "px; height: " . $pbheight . "px;\" border=\"0\"><tr>";
			if ($sosa > 0) {
				print_sosa_number($sosa * 4, $hfam->getHusband()->getXref(), "down");
			}
			if (!empty($gparid) && $hfam->getHusband()->getXref() == $gparid) {
				print_sosa_number(trim(substr($label, 0, -3), ".") . ".");
			}
			echo "<td valign=\"top\">";
			print_pedigree_person(Individual::getInstance($hfam->getHusband()->getXref()));
			echo "</td></tr></table>";
		} elseif ($hfam && !$hfam->getHusband()) {
			// Empty box for grandfather
			echo "<table style=\"width: " . ($pbwidth) . "px; height: " . $pbheight . "px;\" border=\"0\"><tr>";
			echo '<td valign="top">';
			print_pedigree_person($hfam->getHusband());
			echo '</td></tr></table>';
		}
		echo "</td>";
	}
	if ($hfam && ($sosa != -1)) {
		echo '<td valign="middle" rowspan="2">';
		print_url_arrow(($sosa == 0 ? '?famid=' . $hfam->getXref() . '&amp;ged=' . WT_GEDURL : '#' . $hfam->getXref()), $hfam->getXref(), 1);
		echo '</td>';
	}
	if ($hfam) {
		// husband’s mother
		echo "</tr><tr><td><img src=\"" . Theme::theme()->parameter('image-hline') . "\" alt=\"\"></td><td>";
		if ($hfam && $hfam->getWife()) {
			echo "<table style=\"width: " . ($pbwidth) . "px; height: " . $pbheight . "px;\" border=\"0\"><tr>";
			if ($sosa > 0) {
				print_sosa_number($sosa * 4 + 1, $hfam->getWife()->getXref(), "down");
			}
			if (!empty($gparid) && $hfam->getWife()->getXref() == $gparid) {
				print_sosa_number(trim(substr($label, 0, -3), ".") . ".");
			}
			echo '<td valign="top">';
			print_pedigree_person(Individual::getInstance($hfam->getWife()->getXref()));
			echo '</td></tr></table>';
		} elseif ($hfam && !$hfam->getWife()) {
			// Empty box for grandmother
			echo "<table style=\"width: " . ($pbwidth) . "px; height: " . $pbheight . "px;\" border=\"0\"><tr>";
			echo '<td valign="top">';
			print_pedigree_person($hfam->getWife());
			echo '</td></tr></table>';
		}
		echo '</td>';
	}
	echo '</tr></table>';
	if ($sosa && $family->canShow()) {
		foreach ($family->getFacts(WT_EVENTS_MARR) as $fact) {
			echo '<a href="', $family->getHtmlUrl(), '" class="details1">';
			echo str_repeat('&nbsp;', 10);
			echo $fact->summary();
			echo '</a>';
		}
	} else {
		echo '<br>';
	}

	/**
	 * wife side
	 */
	echo "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\"><tr><td rowspan=\"2\">";
	echo "<table style=\"width: " . ($pbwidth) . "px; height: " . $pbheight . "px;\"><tr>";
	if ($parid) {
		if ($wife->getXref() == $parid) {
			print_sosa_number($label);
		} else {
			print_sosa_number($label, "", "blank");
		}
	} elseif ($sosa) {
		print_sosa_number($sosa * 2 + 1);
	}
	if ($wife->isPendingAddtion()) {
		echo '<td valign="top" class="facts_value new">';
	} elseif ($wife->isPendingDeletion()) {
		echo '<td valign="top" class="facts_value old">';
	} else {
		echo '<td valign="top">';
	}
	print_pedigree_person($wife);
	echo "</td></tr></table>";
	echo "</td>";
	// wife’s parents
	$hfam = $wife->getPrimaryChildFamily();

	if ($hfam) {
		echo "<td rowspan=\"2\"><img src=\"" . Theme::theme()->parameter('image-hline') . "\" alt=\"\"></td><td rowspan=\"2\"><img src=\"" . Theme::theme()->parameter('image-vline') . "\" width=\"3\" height=\"" . ($pbheight + 9) . "\" alt=\"\"></td>";
		echo "<td><img class=\"line5\" src=\"" . Theme::theme()->parameter('image-hline') . "\" alt=\"\"></td><td>";
		// wife’s father
		if ($hfam && $hfam->getHusband()) {
			echo "<table style=\"width: " . ($pbwidth) . "px; height: " . $pbheight . "px;\"><tr>";
			if ($sosa > 0) {
				print_sosa_number($sosa * 4 + 2, $hfam->getHusband()->getXref(), "down");
			}
			if (!empty($gparid) && $hfam->getHusband()->getXref() == $gparid) {
				print_sosa_number(trim(substr($label, 0, -3), ".") . ".");
			}
			echo "<td valign=\"top\">";
			print_pedigree_person(Individual::getInstance($hfam->getHusband()->getXref()));
			echo "</td></tr></table>";
		} elseif ($hfam && !$hfam->getHusband()) {
			// Empty box for grandfather
			echo "<table style=\"width: " . ($pbwidth) . "px; height: " . $pbheight . "px;\" border=\"0\"><tr>";
			echo '<td valign="top">';
			print_pedigree_person($hfam->getHusband());
			echo '</td></tr></table>';
		}
		echo "</td>";
	}
	if ($hfam && ($sosa != -1)) {
		echo '<td valign="middle" rowspan="2">';
		print_url_arrow(($sosa == 0 ? '?famid=' . $hfam->getXref() . '&amp;ged=' . WT_GEDURL : '#' . $hfam->getXref()), $hfam->getXref(), 1);
		echo '</td>';
	}
	if ($hfam) {
		// wife’s mother
		echo "</tr><tr><td><img src=\"" . Theme::theme()->parameter('image-hline') . "\" alt=\"\"></td><td>";
		if ($hfam && $hfam->getWife()) {
			echo "<table style=\"width: " . ($pbwidth) . "px; height: " . $pbheight . "px;\"><tr>";
			if ($sosa > 0) {
				print_sosa_number($sosa * 4 + 3, $hfam->getWife()->getXref(), "down");
			}
			if (!empty($gparid) && $hfam->getWife()->getXref() == $gparid) {
				print_sosa_number(trim(substr($label, 0, -3), ".") . ".");
			}
			echo "<td valign=\"top\">";
			print_pedigree_person(Individual::getInstance($hfam->getWife()->getXref()));
			echo "</td></tr></table>";
		} elseif ($hfam && !$hfam->getWife()) {
			// Empty box for grandmother
			echo "<table style=\"width: " . ($pbwidth) . "px; height: " . $pbheight . "px;\" border=\"0\"><tr>";
			echo '<td valign="top">';
			print_pedigree_person($hfam->getWife());
			echo '</td></tr></table>';
		}
		echo '</td>';
	}
	echo "</tr></table>";
}

/**
 * print the children table for a family
 *
 * @param Family $family  family
 * @param string    $childid child ID
 * @param integer   $sosa    child sosa number
 * @param string    $label   indi label (descendancy booklet)
 */
function print_family_children(Family $family, $childid = '', $sosa = 0, $label = '') {
	global $bheight, $pbheight, $show_cousins;

	$children = $family->getChildren();
	$numchil = count($children);

	echo '<table border="0" cellpadding="0" cellspacing="2"><tr>';
	if ($sosa > 0) {
		echo '<td></td>';
	}
	echo '<td><span class="subheaders">';
	if ($numchil == 0) {
		echo I18N::translate('No children');
	} else {
		echo I18N::plural('%s child', '%s children', $numchil, $numchil);
	}
	echo '</span>';

	if ($sosa == 0 && WT_USER_CAN_EDIT) {
		echo '<br>';
		echo "<a href=\"#\" onclick=\"return add_child_to_family('", $family->getXref(), "', 'U');\">" . I18N::translate('Add a child to this family') . "</a>";
		echo ' <a class="icon-sex_m_15x15" href="#" onclick="return add_child_to_family(\'', $family->getXref(), '\', \'M\');" title="', I18N::translate('son'), '"></a>';
		echo ' <a class="icon-sex_f_15x15" href="#" onclick="return add_child_to_family(\'', $family->getXref(), '\', \'F\');" title="', I18N::translate('daughter'), '"></a>';
		echo '<br><br>';
	}
	echo '</td>';
	if ($sosa > 0) {
		echo '<td></td><td></td>';
	}
	echo '</tr>';

	$nchi = 1;
	if ($children) {
		foreach ($children as $child) {
			echo '<tr>';
			if ($sosa != 0) {
				if ($child->getXref() == $childid) {
					print_sosa_number($sosa, $childid);
				} elseif (empty($label)) {
					print_sosa_number("");
				} else {
					print_sosa_number($label . ($nchi++) . ".");
				}
			}
			if ($child->isPendingAddtion()) {
				echo '<td valign="middle" class="new">';
			} elseif ($child->isPendingDeletion()) {
				echo '<td valign="middle" class="old">';
			} else {
				echo '<td valign="middle">';
			}
			print_pedigree_person($child);
			echo "</td>";
			if ($sosa != 0) {
				// loop for all families where current child is a spouse
				$famids = $child->getSpouseFamilies();


				$maxfam = count($famids) - 1;
				for ($f = 0; $f <= $maxfam; $f++) {
					$famid_child = $famids[$f]->getXref();
					// multiple marriages
					if ($f > 0) {
						echo '</tr><tr><td></td>';
						echo '<td valign="top"';
						if (I18N::direction() === 'rtl') {
							echo ' align="left">';
						} else {
							echo ' align="right">';
						}

						//find out how many cousins there are to establish vertical line on second families
						$fchildren = $famids[$f]->getChildren();
						$kids = count($fchildren);
						$Pheader = Theme::theme()->parameter('compact-chart-box-y') * $kids - $bheight;
						$PBadj = 6; // default
						if ($show_cousins > 0) {
							if (Theme::theme()->parameter('compact-chart-box-y') * $kids > $bheight) {
								$PBadj = $Pheader / 2 + $kids * 4.5;
							}
						}

						if ($PBadj < 0) {
							$PBadj = 0;
						}
						if ($f == $maxfam) {
							echo "<img height=\"" . ((($bheight / 2)) + $PBadj) . "px\"";
						} else {
							echo "<img height=\"" . $pbheight . "px\"";
						}
						echo " width=\"3\" src=\"" . Theme::theme()->parameter('image-vline') . "\" alt=\"\">";
						echo "</td>";
					}
					echo "<td class=\"details1\" valign=\"middle\" align=\"center\">";
					$spouse = $famids[$f]->getSpouse($child);

					$marr = $famids[$f]->getFirstFact('MARR');
					$div  = $famids[$f]->getFirstFact('DIV');
					if ($marr) {
						// marriage date
						echo $marr->getDate()->minDate()->format('%Y');
						// divorce date
						if ($div) {
							echo '–', $div->getDate()->minDate()->format('%Y');
						}
					}
					echo "<br><img width=\"100%\" class=\"line5\" height=\"3\" src=\"" . Theme::theme()->parameter('image-hline') . "\" alt=\"\">";
					echo "</td>";
					// spouse information
					echo "<td style=\"vertical-align: center;";
					if (!empty($divrec)) {
						echo " filter:alpha(opacity=40);opacity:0.4;\">";
					} else {
						echo "\">";
					}
					print_pedigree_person($spouse);
					echo "</td>";
					// cousins
					if ($show_cousins) {
						print_cousins($famid_child);
					}
				}
			}
			echo "</tr>";
		}
	} elseif ($sosa < 1) {
		// message 'no children' except for sosa
		if (preg_match('/\n1 NCHI (\d+)/', $family->getGedcom(), $match) && $match[1] == 0) {
			echo '<tr><td><i class="icon-childless"></i> ' . I18N::translate('This family remained childless') . '</td></tr>';
		}
	}
	echo "</table><br>";
}

/**
 * print a family with Sosa-Stradonitz numbering system
 * ($rootid=1, father=2, mother=3 ...)
 *
 * @param string  $famid   family gedcom ID
 * @param string  $childid tree root ID
 * @param integer $sosa    starting sosa number
 * @param string  $label   indi label (descendancy booklet)
 * @param string  $parid   parent ID (descendancy booklet)
 * @param string  $gparid  gd-parent ID (descendancy booklet)
 */
function print_sosa_family($famid, $childid, $sosa, $label = '', $parid = '', $gparid = '') {
	global $pbwidth;

	echo '<hr>';
	echo '<p style="page-break-before: always;">';
	if (!empty($famid)) {
		echo '<a name="', $famid, '"></a>';
	}
	print_family_parents(Family::getInstance($famid), $sosa, $label, $parid, $gparid);
	echo '<br>';
	echo '<table width="95%"><tr><td valign="top" style="width: ', $pbwidth, 'px;">';
	print_family_children(Family::getInstance($famid), $childid, $sosa, $label);
	echo '</td></tr></table>';
	echo '<br>';
}

/**
 * print an arrow to a new url
 *
 * @param string  $url   target url
 * @param string  $label arrow label
 * @param integer $dir   arrow direction 0=left 1=right 2=up 3=down (default=2)
 */
function print_url_arrow($url, $label, $dir = 2) {
	if ($url === '') {
		return;
	}

	// arrow direction
	$adir = $dir;
	if (I18N::direction() === 'rtl' && $dir === 0) {
		$adir = 1;
	}
	if (I18N::direction() === 'rtl' && $dir === 1) {
		$adir = 0;
	}


	// arrow style     0         1         2         3
	$array_style = array('icon-larrow', 'icon-rarrow', 'icon-uarrow', 'icon-darrow');
	$astyle = $array_style[$adir];

	// Labels include people’s names, which may contain markup
	echo '<a href="' . $url . '" title="' . strip_tags($label) . '" class="' . $astyle . '"></a>';
}

/**
 * builds and returns sosa relationship name in the active language
 *
 * @param string $sosa sosa number
 *
 * @return string
 */
function get_sosa_name($sosa) {
	$path = '';
	while ($sosa > 1) {
		if ($sosa % 2 == 1) {
			$sosa -= 1;
			$path = 'mot' . $path;
		} else {
			$path = 'fat' . $path;
		}
		$sosa /= 2;
	}
	return get_relationship_name_from_path($path, null, null);
}

/**
 * print cousins list
 *
 * @param string $famid family ID
 */
function print_cousins($famid) {
	global $show_full, $bheight, $bwidth;

	$family = Family::getInstance($famid);
	$fchildren = $family->getChildren();

	$kids = count($fchildren);
	$save_show_full = $show_full;
	$sbheight = $bheight;
	$sbwidth = $bwidth;
	if ($save_show_full) {
		$bheight = Theme::theme()->parameter('compact-chart-box-y');
		$bwidth  = Theme::theme()->parameter('compact-chart-box-x');
	}

	$show_full = false;
	echo '<td valign="middle" height="100%">';
	if ($kids) {
		echo '<table cellspacing="0" cellpadding="0" border="0" ><tr valign="middle">';
		if ($kids > 1) {
			echo '<td rowspan="', $kids, '" valign="middle" align="right"><img width="3px" height="', (($bheight + 9) * ($kids - 1)), 'px" src="', Theme::theme()->parameter('image-vline'), '" alt=""></td>';
		}
		$ctkids = count($fchildren);
		$i = 1;
		foreach ($fchildren as $fchil) {
			if ($i == 1) {
				echo '<td><img width="10px" height="3px" align="top"';
			} else {
				echo '<td><img width="10px" height="3px"';
			}
			if (I18N::direction() === 'ltr') {
				echo ' style="padding-right: 2px;"';
			} else {
				echo ' style="padding-left: 2px;"';
			}
			echo ' src="', Theme::theme()->parameter('image-hline'), '" alt=""></td><td>';
			print_pedigree_person($fchil);
			echo '</td></tr>';
			if ($i < $ctkids) {
				echo '<tr>';
				$i++;
			}
		}
		echo '</table>';
	} else {
		// If there is known that there are no children (as opposed to no known children)
		if (preg_match('/\n1 NCHI (\d+)/', $family->getGedcom(), $match) && $match[1] == 0) {
			echo ' <i class="icon-childless" title="', I18N::translate('This family remained childless'), '"></i>';
		}
	}
	$show_full = $save_show_full;
	if ($save_show_full) {
		$bheight = $sbheight;
		$bwidth  = $sbwidth;
	}
	echo '</td>';
}
