<?php

namespace BSR\Lib\db;

/**
 * AudioBook is mapped on a Notice from NetBiblio
 *
 * @property string id
 * @property string sql_id
 * @property string title
 * @property string sql_title
 * @property string author
 * @property string sql_author
 * @property string code
 * @property string sql_code
 * @property string summary
 * @property string sql_summary
 * @property string editor
 * @property string sql_editor
 * @property string media
 * @property string sql_media
 * @property string collection
 * @property string sql_collection
 * @property string isbn
 * @property string sql_isbn
 * @property string reader
 * @property string sql_reader
 * @property string cover
 * @property string sql_cover
 * @property string category
 * @property string sql_category
 * @property string availabilityDate
 * @property string sql_availabilityDate
 * @property string producerCode
 * @property string sql_producerCode
 * @property string producer
 * @property string sql_producer
 * @property string genre
 * @property string sql_genre
 * @property string genreCode
 * @property string sql_genreCode
 * @property string coverdisplay
 * @property string sql_coverdisplay
 * @property string link
 * @property string sql_link
 * @property string linkTitle
 * @property string sql_linkTitle
 * @property string mediaType
 * @property string sql_mediaType
 */
class AudioBook extends DbMapping
{
    protected $attributeNames = 'id title author code summary editor media collection isbn reader cover category availabilityDate producerCode producer genre genreCode coverdisplay link linkTitle mediaType';

    public static function find($id) {
        return self::findBy('NoticeID', $id);
    }

    /**
     * If $id is an array, return an array of book, if it is only one id, return one book
     * Load books details only if not an array.
     *
     * Beware that this search use the NoticeID, not the NoticeNr, if you need the last one
     * use findByCode method instead;
     *
     * @param string $column
     * @param int|array $ids
     * @param bool $raw results ?
     * @return AudioBook|AudioBook[]|array
     */
    public static function findBy($column, $ids, $raw = false)
    {
        $multiple = true;
        if(! is_array($ids)) {
            $ids = array($ids);
            $multiple = false;
        }

        // The following query should be maintained in sync with the one in the solr data source.
        $sql = sprintf("SELECT DISTINCT
                            Notices.[NoticeID] AS id,
                            LTRIM(RTRIM(Notices.[Title])) AS title,
                            LTRIM(RTRIM(Notices.[Author])) AS author,
                            LTRIM(RTRIM(Notices.[NoticeNr])) AS code,
                            Fields.[520] AS summary,
                            REPLACE(Fields.[260b], ',', '') AS editor,
                            LEFT(SUBSTRING(Fields.[260c], PATINDEX('%%[0-9]%%', Fields.[260c]), 8000), PATINDEX('%%[^0-9]%%', SUBSTRING(Fields.[260c], PATINDEX('%%[0-9]%%', Fields.[260c]), 8000) + 'X')-1) AS year,
                            Fields.[300] AS media,
                            Fields.[490a] AS collection,
                            LTRIM(RTRIM(isbn.DisplayText)) AS isbn,
                            Fields.[901] AS reader,
                            Fields.[899a] AS cover,
                            '' AS category, -- supposed to come from tags 600, 610, 650, 651, 655, 690, 691, 695, 696 but always empty anyway
                            item1.AcquisitionDate AS availabilityDate,
                            LTRIM(RTRIM(ProducerCode.TextFre)) As producer,
                            LTRIM(RTRIM(ProducerCode.Code)) AS producerCode,
                            LTRIM(RTRIM(GenreCode.TextFre)) As genre,
                            LTRIM(RTRIM(GenreCode.Code)) AS genreCode,
                            CASE
                                WHEN Notices.coverdisplay = 2 THEN 'http://fichiers.bibliothequesonore.ch:8089/netbiblio/images/covers/Cover' + CAST(Notices.NoticeID AS VARCHAR) + '_Original.jpg'
                                ELSE 'http://ecx.images-amazon.com/images/I/' + Fields.[899a] + '._SL320_.jpg'
                            END AS cover,
                            Fields.[856u] AS link,
                            Fields.[856z] AS linkTitle,
                            LTRIM(RTRIM(Notices.[MediaType1Code])) AS mediaType
                        FROM Notices
                        INNER JOIN Codes As GenreCode ON Notices.MediaType2Code = GenreCode.Code AND GenreCode.Type = 2
                        INNER JOIN Codes AS ProducerCode ON Notices.userdefined3code = ProducerCode.Code AND ProducerCode.Type=6
                        LEFT OUTER JOIN (
                            SELECT *
                            FROM (
                                SELECT
                                    NoticeID,
                                    CASE
                                        WHEN Tag IN ('490', '260', '856', '899') THEN Tag + SubfieldCode
                                        ELSE Tag
                                    END AS Field,
                                    CASE
                                        WHEN Tag = '020' THEN LTRIM(RTRIM(CAST(AuthorityID AS varchar)))
                                        ELSE LTRIM(RTRIM(ContentShortPart))
                                    END AS Data
                                FROM NoticeFields
                                WHERE
                                    Tag IN (
                                        '520', -- summary
                                        '901', -- Reader
                                        '300', -- Duration (field media)
                                        '020' -- ISBN
                                    )
                                    OR (Tag = '490' AND SubfieldCode = 'a') -- Collection
                                    OR (Tag = '260' AND SubfieldCode = 'b') -- Editor
                                    OR (Tag = '260' AND SubfieldCode = 'c') -- Edition year
                                    OR (Tag = '856' AND SubfieldCode = 'u') -- Link
                                    OR (Tag = '856' AND SubfieldCode = 'z') -- Link title
                                    OR (Tag = '899' AND SubfieldCode = 'a') -- Cover
                            ) AS src
                            PIVOT (
                                MIN(Data)
                                FOR Field IN ([520], [901], [300], [020], [490a], [260b], [260c], [856u], [856z], [899a])
                            ) AS pvt
                        ) Fields ON Notices.NoticeID = Fields.NoticeID
                        OUTER APPLY (
                            SELECT TOP 1 *
                            FROM Items
                            WHERE Notices.NoticeID = NoticeId
                        ) AS item1
                        LEFT JOIN Authorities AS isbn ON isbn.AuthorityID = Fields.[020]
                        WHERE
                            LTRIM(RTRIM(Notices.[%s])) IN ('%s')
                            AND Notices.[NoticeNr] NOT LIKE '%%~%%'
                        ;", $column, implode('\', \'', $ids));

        $result = Connection::execute($sql, true);

        $books = array();
        while($row = $result->next()) {
            $books[$row['id']] = $raw ? $row : new AudioBook($row);
        }

        return $multiple ? $books : reset($books);
    }

    /**
     * Retrieve the list of all readers (volunteers) having read at least 4 books (2 notices per book).
     * Returns an associative array containing $lastname and $firstname
     */
    public static function listOfReaders()
    {
        $sql = "SELECT
                    count(*),
                    ContentShortPart AS name
                FROM NoticeFields
                WHERE Tag=901
                GROUP BY ContentShortPart
                HAVING count(*) > 6
                ORDER BY SUBSTRING(ContentShortPart, CHARINDEX(' ', ContentShortPart)+1, 15);";

        $results = Connection::execute($sql);
        return array_map(function($row) {
            $fullname = str_replace("*", "", $row['name']);
            $parts = explode(" ", $fullname);
            $firstname = array_shift($parts);
            $lastname = implode(" ", $parts);
            return array(
                'lastname' => $lastname,
                'firstname' => $firstname);
        }, $results->to_array());
    }

    /**
     * Retrieve the list of all type available in the database.
     * @param boolean $withJeunesse add 'Jeunesse' to the list
     * @return array
     */
    public static function ListOfGenres($withJeunesse = false)
    {
        $sql = "SELECT DISTINCT
                    LTRIM(RTRIM(Codes.Code)) as code,
                    LTRIM(RTRIM(Codes.TextFre)) AS text
                FROM Codes
                INNER JOIN Notices ON Codes.Code = Notices.MediaType2Code
                WHERE
                    Codes.Type = 2
                    AND Notices.NoticeNr NOT LIKE '%~%'
                    AND Notices.NoticeNr NOT LIKE '%V%'
                    AND Notices.NoticeNr NOT LIKE '%T%'
                    AND Notices.MediaType1Code = 'CDD';";

        $results = Connection::execute($sql)->to_array();

        if($withJeunesse) {
            array_unshift($results, array('code' => 'J', 'text' => 'Jeunesse'));
        }

        return $results;
    }

    /**
     * Retrieve the list of all books currently lended to readers.
     */
    public static function inReading()
    {
        $sql = "SELECT
                    noticenr, title, author, displayName
                FROM notices, items, circulations, useraccounts
                WHERE
                    mediatype1code='N' and NoticeNr not like '%~%'
                    AND items.noticeid = notices.noticeid
                    AND items.ItemID=circulations.ItemID
                    AND useraccounts.useraccountid=circulations.useraccountid
                ORDER BY author, title;";

        $results = Connection::execute($sql);
        return array_map(function($row) {
            return array(
                "noticenr" => $row['noticenr'],
                "auteur" => $row['author'],
                "titre" => $row['title'],
                "lecteur" => $row['displayName']
            );
        }, $results->to_array());
    }

    public function __set($name, $value)
    {
        if ($name == 'code' && is_string($value)) {
            $value = preg_replace('/[~a-zA-Z]/', '', $value);
        }
        parent::__set($name, $value);
    }
}