<?php

namespace nntmux;

use nntmux\db\DB;

/**
 * Class UserSeries.
 *
 * Sets and Gets data from and to the DB "user_series" table and the "my shows" web-page.
 */
class UserSeries
{
    /**
     * @var \nntmux\db\DB
     */
    public $pdo;

    /**
     * @param array $options Class instances.
     */
    public function __construct(array $options = [])
    {
        $defaults = [
            'Settings' => null,
        ];
        $options += $defaults;

        $this->pdo = ($options['Settings'] instanceof DB ? $options['Settings'] : new DB());
    }

    /**
     * When a user wants to add a show to "my shows" insert it into the user series table.
     *
     * @param int   $uID    ID of user.
     * @param int   $videoId Video ID of tv show.
     * @param array $catID  List of category ID's
     *
     * @return bool|int
     */
    public function addShow($uID, $videoId, $catID = [])
    {
        return $this->pdo->queryInsert(
            sprintf(
                'INSERT INTO user_series (users_id, videos_id, categories, created_at) VALUES (%d, %d, %s, NOW())',
                $uID,
                $videoId,
                (! empty($catID) ? $this->pdo->escapeString(implode('|', $catID)) : 'NULL')
            )
        );
    }

    /**
     * Get all the user's "my shows".
     *
     * @param int $uID ID of user.
     *
     * @return array
     */
    public function getShows($uID)
    {
        return $this->pdo->query(
            sprintf(
                '
				SELECT us.*, v.title
				FROM user_series us
				INNER JOIN videos v ON v.id = us.videos_id
				WHERE users_id = %d
				ORDER BY v.title ASC',
                $uID
            )
        );
    }

    /**
     * Delete a tv show from the user's "my shows".
     *
     * @param int $uID    ID of user.
     * @param int $videoId ID of tv show.
     */
    public function delShow($uID, $videoId)
    {
        $this->pdo->queryExec(
            sprintf(
                'DELETE FROM user_series WHERE users_id = %d AND videos_id = %d',
                $uID,
                $videoId
            )
        );
    }

    /**
     * Get tv show information for a user.
     *
     * @param int $uID    ID of the user.
     * @param int $videoId ID of the TV show.
     *
     * @return array|bool
     */
    public function getShow($uID, $videoId)
    {
        return $this->pdo->queryOneRow(
            sprintf(
                '
				SELECT us.*, v.title
				FROM user_series us
				LEFT OUTER JOIN videos v ON v.id = us.videos_id
				WHERE us.users_id = %d
				AND us.videos_id = %d',
                $uID,
                $videoId
            )
        );
    }

    /**
     * Delete all shows from the user's "my shows".
     *
     * @param int $uID ID of the user.
     */
    public function delShowForUser($uID)
    {
        $this->pdo->queryExec(
            sprintf(
                'DELETE FROM user_series WHERE users_id = %d',
                $uID
            )
        );
    }

    /**
     * Delete TV shows from all user's "my shows" that match a TV id.
     *
     * @param int $videoId The ID of the TV show.
     */
    public function delShowForSeries($videoId)
    {
        $this->pdo->queryExec(
            sprintf(
                'DELETE FROM user_series WHERE videos_id = %d',
                $videoId
            )
        );
    }

    /**
     * Update a TV show category ID for a user's "my show" TV show.
     *
     * @param int   $uID    ID of the user.
     * @param int $videoId ID of the TV show.
     * @param array $catID  List of category ID's.
     */
    public function updateShow($uID, $videoId, $catID = [])
    {
        $this->pdo->queryExec(
            sprintf(
                'UPDATE user_series SET categories = %s WHERE users_id = %d AND videos_id = %d',
                (! empty($catID) ? $this->pdo->escapeString(implode('|', $catID)) : 'NULL'),
                $uID,
                $videoId
            )
        );
    }
}