<?php

namespace app\api\controller\board;

use crmeb\services\UtilService;
use app\models\board\UserBoard;
use \think\facade\Config;
use tw\command\console;
use tw\lib\robot\Robots;
use tw\redis\BoardRds;

/**
 * 协议见文档 docs/board.md, 协议可能变更
 *
 * 使用 UserBoard Model, 数据表为 store_order_cart_info
 *
 * 策略：定时利用 sql 生成排行榜，缓存 json 到 redis
 *
 * Class UserBoardController
 * @package app\api\controller\board
 */
class UserBoardController
{
    /**
     * @api {get} /boards 获取排行榜
     * @apiName GetBoards
     * @apiGroup Public
     * 
     * @apiParam {int=1,2} type 1|2 日榜单|周榜单
     * 
     * @apiSuccess {string} banner 顶部 banner 图片
     * @apiSuccess {string} name 排行榜名称， 暂未使用
     * @apiSuccess {Object[]} board 排行榜数据
     * 
     * @apiSuccessExample
     * {
     *  "banner": "http://xxx.png",
     *  "name": "daily board",
     *  "board": [{
     *      "uid": 123,
     *      "avatar": "http://2.png",
     *      "nickname": "xxx",
     *      "level": 1,
     *      "value": 23.3,
     *      "border": 1,
     *      "vip": 2
     *  }]
     * }
     */
    public function boards()
    {
        [$type,] = UtilService::getMore([
            ['type', BoardRds::DAILY],
        ], null, true);
        $board = json_decode((new BoardRds)->get($type), true);
        return app('json')->successful('ok', $board);
    }

    /**
     * 讀取数据库中每日榜单的今日榜单
     */
    protected function daily_win_money()
    {
        $board = new UserBoard();
        $res = $board->getDailyWinMoney();
        foreach ($res as &$row) {
            $row['value'] = floatval($row['value']);
            $row['border'] = 0;
            $row['vip'] = 0;
        }
        return [
            'banner' => Config::get('app.leader_board_banner'),
            'name' => "日榜",
            'board' => $res,
        ];
    }

    /**
     * 缓存数据库取得的排行结果，定时调用
     */
    public function cache_board()
    {
        $real_board = $this->daily_win_money();
        $robot_board = Robots::first_n_by_value(30);

        $board = array_merge($robot_board, $real_board['board']);
        // 过滤掉 value == 0 的记录
        $board = array_filter($board, function ($v) {
            return $v['value'] > 0.0;
        });
        usort($board, function ($l, $r) {
            return $r['value'] <=> $l['value'];
        });

        $real_board['board'] = $board;

        $res = (new BoardRds)->set(BoardRds::DAILY, json_encode($real_board));
        if (!$res) {
            errlog("cache_board() returned $res");
        }
    }
}