<?php

/*
 * This file is part of Phraseanet
 *
 * (c) 2005-2014 Alchemy
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

class format
{

    public static function arr_to_csv_line($arr, $tri_column = false)
    {
        $line = [];
        $tmp = [];
        foreach ($arr as $v) {
            if (is_array($v)) {
                $line[] = self::arr_to_csv_line($v);
            } elseif ($tri_column) {
                $key = array_search($v, $arr);
                unset($arr[$key]);

                if (array_key_exists($key, $tri_column)) {
                    $tmp[$key] = $v;
                }
            } else
                $line[] = '"' . str_replace('"', '""', strip_tags($v)) . '"';
        }
        if ($tri_column) {
            foreach ($tri_column as $key => $value) {
                foreach ($tmp as $k => $v) {
                    if ($key == $k) {
                        $line[] = '"' . str_replace('"', '""', strip_tags($v)) . '"';
                    }
                }
            }
        }

        if ($tri_column && count($tri_column) == count($line)) {
            return implode(",", $line);
        } elseif (count($arr) == count($line)) {
            return implode(",", $line);
        } else
            throw new Exception('CSV failed');
    }

    public static function arr_to_csv($arr, $tri_column = false)
    {
        $lines = [];

        if ($tri_column) {
            $title = "";
            foreach ($tri_column as $v) {
                if (isset($v['title']))
                    $title .= ( empty($title) ? "" : ",") . '"' . str_replace('"', '""', strip_tags($v['title'])) . '"';
            }
            ! empty($title) ? $lines[] = $title : "";
        }
        foreach ($arr as $v) {
            $lines[] = self::arr_to_csv_line($v, $tri_column);
        }

        return implode("\n", $lines);
    }

    public static function csv_to_arr($filename)
    {
        $separateur = ",";
        $array = [];
        // For mac
        $autoDetectLineEndings = ini_get("auto_detect_line_endings");

        ini_set("auto_detect_line_endings", true);

        if ($file = fopen($filename, "r")) {
            $test1 = fgetcsv($file, 1024, ",");
            rewind($file);
            $test2 = fgetcsv($file, 1024, ";");
            rewind($file);

            if (count($test1) == 1 || ( count($test2) > count($test1) && count($test2) < 20)) {
                $separateur = ";";
            }

            while ($array[] = fgetcsv($file, 1024, $separateur));
            fclose($file);
            array_pop($array);
        }

        ini_set("auto_detect_line_endings", $autoDetectLineEndings);

        return $array;
    }
}