<?php

namespace app\common\model;

use app\common\library\Redis;
use app\common\service\WaterBookService;
use think\Model;

class AppIndex extends Model
{
    /**
     * 首页免费/完结/点击榜/畅销榜书籍列表接口数据
     * @param int $sex 性别频道 0不区分 1男 2女
     * @param string $type 类型
     * @param int $page 页码
     * @return array
     */
    public static function booklist($sex, $type, $page)
    {
        $redis = Redis::instance();
        $key = 'BL:'.$type . ':' . $sex . ':' .  $page;
        if ($redis->exists($key)) {
            $data  = $redis->get($key);
            $books = json_decode($data, true);
        } else {
            $map = array();
            if ($sex != 0) {
                $map['sex'] = $sex;
            }
            $map['state'] = 1;
            switch ($type) {
                case 'free': //免费榜
                    $now               = time();
                    $map['free_stime'] = array('lt', $now);
                    $map['free_etime'] = array('gt', $now);
                    $books             = model('Book')->where($map)->order("idx", "desc")->page($page, 10)->select();
                    foreach ($books as $key => $book) {
                        $from_date                  = date('m月d日', $book['free_stime']);
                        $end_date                   = date('m月d日', $book['free_etime']);
                        $books[$key]['free_period'] = $from_date . '至' . $end_date;
                    }
                    break;
                case 'finish': //完结榜
                    $map['is_finish'] = 1;
                    $map['id']        = array('gt', 1);
                    $books            = model('Book')->where($map)->order("idx", "desc")->page($page, 10)->select();
                    break;
                case 'click': //点击榜
                    $books = model('Book')->where($map)->order("read_num", "desc")->page($page, 10)->select();
                    break;
                case 'sell': //畅销榜 按权重
                    $books = model('Book')->where($map)->order("idx", "desc")->page($page, 10)->select();
                    break;
                default: //默认就按阅读量排
                    $books = model('Book')->where($map)->order("idx", "desc")->page($page, 10)->select();
                    break;
            }

            if ($books) {
                $categoryArr = model("BookCategory")->getCategoryList();
                foreach ($books as $key=>$v) {
                    $books[$key]['author'] = $categoryArr[$v['book_category_id']];
                }
            }
            $json = json_encode($books);
            $redis->setex($key, 900, $json);
        }
        return $books;
    }

    /**
     * 首页配置的指定区块书籍列表接口
     * @param int $block_id 区块id
     * @param int $page 页数
     * @return array
     */
    public static function blockbooklist($block_id, $page)
    {
        $redis = Redis::instance();
        $key = 'CBBL:' . $block_id;
        if (!$redis->exists($key)) {
            $where             = array();
            $where['block_id'] = $block_id;
            $where['type']     = 1;
            $resources         = model('client_manage_block_resource')
                ->where($where)
                ->select();
            if (!empty($resources)) {
                foreach ($resources as $k => $r) {
                    $redis->zadd($key,$r['weigh'],'B:'.$r['book_id']);
                }
                $redis->expire($key,86400*7);
            }
        }

        $books = $redis->zrevrangebyscore($key,'+inf','-inf',array('withscores'=>false,'limit'=>array(($page-1)*10,10)));
        $categoryArr = model("BookCategory")->getCategoryList();
        $data = array();
        foreach ($books as $bookkey) {
            if($redis->exists($bookkey)){
                $b = $redis->hgetall($bookkey);
            }else{
                $res = explode(':',$bookkey);
                $b = model('Book')->bookInfo($res[1]);
            }
            if($b){
                if ($b['state'] != 1) {
                    continue;
                }
                $data[] = array(
                    'id'=>$b['id'],
                    'name'=>$b['name'],
                    'description'=>$b['description'],
                    'author'=>$categoryArr[$b['book_category_id']],
                    'image'=>$b['image'],
                    'read_num'=>$b['read_num'],
                );
            }
        }
        return $data;
    }
}