<?php
/**
 * scientia
 *
 * Copyright 2022 - 2024 Johannes Keßler
 *
 * https://www.bananas-playground.net/projekt/scientia/
 *
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the COMMON DEVELOPMENT AND DISTRIBUTION LICENSE
 *
 * You should have received a copy of the
 * COMMON DEVELOPMENT AND DISTRIBUTION LICENSE (CDDL) Version 1.0
 * along with this program.  If not, see http://www.sun.com/cddl/cddl.html
 */

$TemplateData['entries'] = array();

$queryStr = "SELECT e.ident, e.date, e.words, SUBSTRING(e.body,1,100) AS body FROM `".DB_PREFIX."_entry` AS e";
$queryLimit = " LIMIT 100";

$searchTerm = '';
if(isset($_POST['submitForm']) && isset($_POST['searchInput'])) {
    if(Summoner::validate($_POST['searchInput'])) {
        $searchTerm = trim($_POST['searchInput']);
    }
}

// why?
// mysql knows the dates and validates them. There is no 2020-02-31
// the single date infos come from index.php
$_groupByFormat = $_year;
$breadcrumb = array('Y');
if(!empty($_requestDateProvided)) {
    $_intervalStart = '';
    $_intervalEnd = '';

    if($_requestDateProvided === 'Y-m-d') {
        $queryLimit = "";
        $_groupByFormat = $_year.'-'.$_month.'-'.$_day;
        $_intervalStart = $_groupByFormat;
        $_intervalEnd = $_groupByFormat;
        $breadcrumb = array('Y','m','d');
    }
    elseif ($_requestDateProvided === 'Y-m') {
        $queryLimit = "";
        $_groupByFormat = $_year.'-'.$_month;
        $_intervalStart = $_groupByFormat.'-01';
        $_tDate = new DateTime( $_intervalStart );
        $_monthDays = $_tDate->format( 't' );
        $_intervalEnd = $_groupByFormat.'-'.$_monthDays;
        $breadcrumb = array('Y','m');
    }
    elseif ($_requestDateProvided === 'Y') {
        $_intervalStart = $_groupByFormat.'-01-01';
        $_intervalEnd = $_groupByFormat.'-12-31';
    }

    if(!empty($_intervalStart) && !empty($_intervalEnd)) {
        $queryStr .= " WHERE e.date >= '".$_intervalStart."' AND e.date <= '".$_intervalEnd."'";
        if(!empty($searchTerm)) {
            $queryStr .= " AND MATCH(e.words) AGAINST('".$DB->real_escape_string($searchTerm)."' IN BOOLEAN MODE)";
        }
    }
} else {
    $_requestDateProvided = 'Y';
    if(!empty($searchTerm)) {
        $queryStr .= " WHERE MATCH(e.words) AGAINST('".$DB->real_escape_string($searchTerm)."' IN BOOLEAN MODE)";
    }
}

$queryStr .= " ORDER BY `created` DESC";
$queryStr .= $queryLimit;
if(QUERY_DEBUG) error_log("[QUERY] query: ".var_export($queryStr,true));

try {
    $query = $DB->query($queryStr);
    if($query !== false && $query->num_rows > 0) {
        while(($result = $query->fetch_assoc()) != false) {
            $_d = new DateTime($result['date']);
            $_breadcrumb = array();
            foreach($breadcrumb as $_b) {
                $_breadcrumb[] = $_d->format($_b);
            }
            $TemplateData['entries'][$_d->format($_requestDateProvided)]['breadcrumb'] = $_breadcrumb;
            $TemplateData['entries'][$_d->format($_requestDateProvided)]['e'][$result['ident']] = $result;
            $TemplateData['entries'][$_d->format($_requestDateProvided)]['e'][$result['ident']]['link'] = str_replace('-','/',$result['date']).'/'.$result['ident'];
        }
    }
}
catch(Exception $e) {
    error_log("[ERROR] catch: ".$e->getMessage());
}