<?php

namespace app\common\model;

use app\common\library\Redis;
use app\main\service\BookService;
use think\Model;

class Index 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
     * @param int $is_water 是否清水
     * @return array
     */
    public static function booklist($sex, $type, $page, $is_water=false)
    {
        $redis = Redis::instance();

        if (!$is_water) {
            $key = 'BL:' . $type . ':' . $sex . ':' . $page;
        } else {
            $key = 'BL:W:' . $type . ':' . $sex . ':' . $page;
        }
        $data = $redis->get($key);
        if ($data) {
            $books = json_decode($data, true);
        } else {
            $map = array();
            if ($is_water) {
                $map['book.classify_white_list'] = 1;
            }
            if ($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();

                    $books = model('BookRanklist')->join('book', 'book_ranklist.book_id = book.id', 'left')->field('book.*')->where($map)->where('rank_category', 'eq', '0')->where('book_ranklist.status', 'eq', 'normal')->order("book_ranklist.weight", "desc")->order("book_ranklist.createtime", "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();

                    $books = model('BookRanklist')->join('book', 'book_ranklist.book_id = book.id', 'left')->field('book.*')->where($map)->where('rank_category', 'eq', '1')->where('book_ranklist.status', 'eq', 'normal')->order("book_ranklist.weight", "desc")->order("book_ranklist.createtime", "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) {
                    // 是否展示 CP - VIP 付费角标
                    $books[$key]['vip_pay'] = BookService::instance()->showCpVipSubScript($v['id']);
                    $books[$key]['author'] = $categoryArr[$v['book_category_id']];
                    $books[$key]['category_text'] = $categoryArr[$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
     * @param int $is_water 是否清水
     * @return array
     */
    public static function blockbooklist($block_id, $page, $is_water=false)
    {
        $redis = Redis::instance();
        if (!$is_water) {
            $key = 'BBL:' . $block_id;
        } else {
            $key = 'BBL:W:' . $block_id;
        }

        if (!$redis->exists($key)) {
            $where             = array();
            $where['manage_block_resource.block_id'] = $block_id;
            $where['manage_block_resource.type']     = 1;
            if($is_water){
                $resources = model('manage_block_resource')
                    ->join('book','manage_block_resource.book_id=book.id and book.state=1 and book.classify_white_list=1','left')
                    ->where($where)
                    ->select();
            }else{
                $resources = model('manage_block_resource')
                    ->join('book', 'manage_block_resource.book_id=book.id and book.state=1')
                    ->where($where)
                    ->select();
            }

            if (!empty($resources)) {
                foreach ($resources as $k => $r) {
                    $redis->zadd($key,$r['weigh'],'B:'.$r['book_id']);
                }
                $redis->expire($key,3600);
            }
        }

        $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) {
            $b = $redis->hgetall($bookkey);
            if (empty($b)) {
                $res = explode(':', $bookkey);
                $b = model('Book')->bookInfo($res[1]);
            }
            if ($b) {
                if ($b['state'] != 1) {
                    continue;
                }
                $bookInfo = [
                    'id' => $b['id'],
                    'name' => $b['name'],
                    'description' => $b['description'],
                    'author' => $b['author'],
                    'image' => $b['image'],
                    'read_num' => $b['read_num'],
                    'is_finish' => $b['is_finish'],
                    'vip_pay' => BookService::instance()->showCpVipSubScript($b['id']),
                ];
                $bookInfo['tags'] = empty($b['tags']) ? [] : explode(',', $b['tags']);

                $data[] = $bookInfo;
            }
        }
        return $data;
    }
}