<?php
namespace App\Console\Book;

use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Redis;

class ReadRecordStatsCommand extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'Book:ReadRecordStats';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'redis临时保存的阅读记录写入数据库';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        $this->saveDB();
    }

    private function saveDB()
    {
        dLog('command_logs')->info('~~~~~~~~~~~~~~~~~~~~~~~~~~开始统计redis临时保存的阅读记录~~~~~~~~~~~~~~~~~~~~~~~~~~');
        $executeStart = microtime(true);
        // 获取数据
        $data = $this->getRecord();
        if (!$data) {
            return false;
        }

        // 组装数据
        $records = $bookRecords = [];
        foreach ($data as $item) {
            foreach ($item as $v) {
                $record = json_decode($v, true);
                if (!is_array($record) || empty($record)) {
                    continue;
                }

                // record_records表数据
                $table1 = $record['uid'] % 2048;
                $records[$table1][] = $record;

                // book_record_records表数据
                $table2 = $record['bid'] % 2048;
                $bookRecords[$table2][] = $record;
            }
        }

        // 保存到record_records表
        if ($records) {
            foreach ($records as $key => $v) {
                $table = sprintf('record_records%s', $key);
                DB::connection('read_record_mysql')->table($table)->insert($v);
            }
        }

        // 保存到book_record_records表
        if ($bookRecords) {
            foreach ($bookRecords as $key => $v) {
                $table = sprintf('book_record_records%s', $key);
                DB::connection('read_record_mysql')->table($table)->insert($v);
            }
        }
        $executeEnd = microtime(true);
        dLog('command_logs')->info('脚本运行时间: ', ['execute_time'=>round(($executeEnd - $executeStart), 6).'s']);
        dLog('command_logs')->info('~~~~~~~~~~~~~~~~~~~~~~~~~~结束统计redis临时保存的阅读记录~~~~~~~~~~~~~~~~~~~~~~~~~~');
    }

    private function getRecord()
    {
        $length = Redis::Llen('read_record_stats');
        if (!$length) return [];
        $count = ceil($length / 200);
        $result = [];
        for ($i = 0; $i < $count; $i++) {
            $start = $i * 200;
            $end = $start + 199;
            $result[] = Redis::Lrange('read_record_stats', $start, $end);
        }
        Redis::del('read_record_stats');
        return $result;
    }
}