<?php
/**
 * Page.php UTF-8
 * 页面处理
 *
 * @date    : 2018/5/21 20:08
 *
 * @license 这不是一个自由软件，未经授权不许任何使用和传播。
 * @author  : wuyonghong <wyh@huosdk.com>
 * @version : HUOSDK 8.0
 */

namespace huolib\tool;

use think\Config;
use think\Paginator;
use think\Session;

class Page {
    /**
     * 分页查询
     *
     * @param array $list         列表数据
     * @param int   $count
     * @param  int  $page
     * @param  int  $offset
     * @param array $config       配置参数
     *                            page:当前页,
     *                            path:url路径,
     *                            query:url额外参数,
     *                            fragment:url锚点,
     *                            var_page:分页变量,
     *                            list_rows:每页数量
     *                            type:分页类名
     *
     * @return \think\Paginator
     */
    public static function paginate($count, $list, $page, $offset, $config = []) {
        $_simple = false;
        $_total = 0;
        if (is_int($count)) {
            $_total = $count;
        }
        $_offset = $offset;
        $_config = array_merge(Config::get('paginate'), $config);
        $_offset = $_offset ?: request()->param('list_rows/d', 0);
        if (empty($_offset)) {
            $_offset = Session::get('list_rows');
        } else {
            Session::set('list_rows', $_offset);
        }
        $_offset = $_offset ?: $_config['list_rows'];
        /** @var Paginator $_class */
        $_class = false !== strpos($_config['type'], '\\')
            ? $_config['type']
            : '\\think\\paginator\\driver\\'.ucwords(
                $_config['type']
            );
        $_page = $page < 1 ? 1 : $page;
        $_config['path'] = isset($_config['path']) ? $_config['path'] : call_user_func([$_class, 'getCurrentPath']);

        return $_class::make($list, $_offset, $_page, $_total, $_simple, $_config);
    }
}