<?php

declare(strict_types=1);

namespace base\common\command;

use app\common\service\HostService;
use app\common\service\TimerService;
use GuzzleHttp\Client;
use GuzzleHttp\Promise\Utils;
use think\console\Command;
use think\console\Input;
use think\console\input\Option;
use think\console\Output;
use think\facade\Cache;
use think\facade\Config;
use think\facade\Log;
use Workerman\Http\Client as HttpClient;
use Workerman\Timer;
use Workerman\Worker;

class TimerBase extends Command
{
    protected $host;
    protected $siteDomain;
    protected $siteHost;
    protected $requestList;
    protected $callList;

    protected function configure()
    {
        // 指令配置
        $this->setName('timer')
            ->addOption('temp', null, Option::VALUE_NONE)
            ->addOption('quit', null, Option::VALUE_NONE)
            ->addOption('local', null, Option::VALUE_NONE)
            ->addOption('local-host', null, Option::VALUE_OPTIONAL, '本地域名', 'http://localhost')
            ->addOption('local-port', null, Option::VALUE_OPTIONAL, '本地端口', '80')
            ->setDescription('内置秒级定时器');
    }

    protected function execute(Input $input, Output $output)
    {
        // 指令输出
        $output->writeln('start timer');

        $site_domain = sysconfig('site', 'site_domain');
        if (empty($site_domain)) {
            $output->writeln('请前往后台设置站点域名（site_domain）配置项');

            return;
        }

        $host = $site_domain;

        if ($input->hasOption('local')) {
            $host = $input->getOption('local-host') . ':' . $input->getOption('local-port');
        }

        $output->writeln('站点域名：' . $host);
        $site_host = parse_url($host, PHP_URL_HOST);

        // 设置配置的任务
        $timer_service = new TimerService();
        $request_list = $timer_service->generateAllRequestList();
        $call_list = $timer_service->generateAllCallList();

        // 内置的节点注册任务
        $system_host_register =
            [
                'name' => 'system_host_register',        // 定时任务的名称,不能重复
                'type' => 'call',             // 定时任务的类型，默认只支持site，你也可以重写定时器命令行以支持其他命令
                'target' => [HostService::class, 'heartbeat'],  // 要访问的地址，如果不是以https开头，那么以后台的系统配置中读取相关配置，如果没有配置则不执行
                'frequency' => 30,              // 执行频率，单位：秒，填写10，则每10秒过后执行一次
            ];
        $system_host_call_list = TimerService::generateTaskInstanceFromConfig($system_host_register);
        $call_list = array_merge($call_list, $system_host_call_list);

        $this->host = $host;
        $this->siteDomain = $site_domain;
        $this->siteHost = $site_host;
        $this->requestList = $request_list;
        $this->callList = $call_list;

        $timer_mode = Config::get('timer.mode', 'normal');
        if ($timer_mode == 'normal') {
            $this->runNormal();
        } else {
            $this->runParallel();
        }
    }

    public function runParallel()
    {
        // 重新构造命令行参数,以便兼容workerman的命令
        global $argv;
        $argv = [];
        array_unshift($argv, 'think', 'start');

        $host = $this->host;
        $site_host = $this->siteHost;
        $output = $this->output;
        $input = $this->input;

        $call_list = $this->callList;

        $worker = new Worker();
        $worker->count = 1;
        $worker->name = 'timer_request';
        $worker->timerRequestList = $this->requestList;

        $worker->onWorkerStart = function () use ($worker, $host, $site_host, $output, $input) {
            $options = [
                'max_conn_per_addr' => Config::get('timer.max_conn_per_addr', 1000),
                'keepalive_timeout' => Config::get('timer.keepalive_timeout', 86400),
                'connect_timeout' => Config::get('timer.connect_timeout', 86400),
                'timeout' => Config::get('timer.timeout', 86400),
            ];
            $http = new HttpClient($options);

            Timer::add(1, function () use ($worker, $host, $site_host, $output, $input, $http) {
                $request_list = $worker->timerRequestList;
                foreach ($request_list as $request_item) {
                    $output->writeln(date('Y-m-d H:i:s') . ': build site request async: ' . $request_item['target']);
                    if (!isset($request_item['is_running'])) {
                        $request_item['is_running'] = false;
                    }

                    if ($request_item['is_running']) {
                        $output->writeln('进行中，跳过');
                        continue;
                    }

                    if (!isset($request_item['last_run_time'])) {
                        $request_item['last_run_time'] = 0;
                    }

                    if (time() - $request_item['last_run_time'] < $request_item['frequency']) {
                        continue;
                    }

                    $request_item['is_running'] = true;
                    $request_item['last_run_time'] = time();

                    //

                    $http->request($host . $request_item['target'], [
                        'headers' => [
                            'Host' => $site_host,
                            'Accept' => 'application/json,text/plain',
                        ],
                        'success' => function ($response) use ($request_item, $output) {
                            $request_item['is_running'] = false;
                            $output->writeln((string) $response->getBody());
                        },
                        'error' => function ($exception) use ($request_item, $output) {
                            $request_item['is_running'] = false;
                            $output->writeln($exception);
                        },
                    ]);
                }
            });
        };

        // 运行call任务
        foreach ($call_list as $call_item) {
            $worker_call = new Worker();
            $worker_call->count = 1;
            $worker_call->name = 'timer_call_' . $call_item['name'] . '_' . $call_item['concurrency_id'];
            $worker_call->onWorkerStart = function () use ($worker_call, $call_item, $output, $input) {
                Timer::add(1, function () use ($worker_call, $call_item, $output, $input) {
                    // TODO:统一通过相同的方法判断任务是否该执行
                    $cache_key = 'timer_request_' . $call_item['name'] . '_' . $call_item['concurrency_id'];
                    $cache_tag = 'system_timer';
                    $last_exec_time = Cache::get($cache_key, 0);
                    if ($last_exec_time >= time() - $call_item['frequency']) {
                        return;
                    }
                    Cache::tag($cache_tag)->set($cache_key, time());

                    call_user_func($call_item['target']);
                    $output->writeln(date('Y-m-d H:i:s') . ': call ' . $call_item['name']);
                });
            };
        }

        Worker::runAll();
    }

    public function runNormal()
    {
        $host = $this->host;
        $site_host = $this->siteHost;
        $request_list = $this->requestList;
        $output = $this->output;
        $input = $this->input;

        $client = new Client([
            'base_uri' => $host,
            'headers' => [
                'Host' => $site_host,
                'Accept' => 'application/json,text/plain',
            ],
            'verify' => false,
        ]);

        while (true) {
            // 运行请求任务
            try {
                $list_promises = [];
                foreach ($request_list as  $request_item) {
                    $name = $request_item['name'];

                    $cache_key = 'timer_request_' . $name . '_' . $request_item['concurrency_id'];
                    $cache_tag = 'system_timer';
                    $last_exec_time = Cache::get($cache_key, 0);

                    if ($last_exec_time >= time() - $request_item['frequency']) {
                        continue;
                    }

                    Cache::tag($cache_tag)->set($cache_key, time());

                    $output->writeln(date('Y-m-d H:i:s') . ': build site request async: ' . $request_item['target']);
                    $list_promises[$request_item['name']] = $client->getAsync($request_item['target']);
                }

                if (empty($list_promises)) {
                    if (!$input->hasOption('quit')) {
                        $output->writeln(date('Y-m-d H:i:s') . ' no request');
                    }
                } else {
                    $results = Utils::unwrap($list_promises);
                    $output->writeln(date('Y-m-d H:i:s') . ': request all finished');
                }
            } catch (\Throwable $th) {
                // throw $th;
                $output->writeln('error:' . $th->getMessage());
                Log::error($th->getMessage());
            }

            // 运行call任务
            $call_list = $this->callList;
            foreach ($call_list as $call_item) {
                $name = $call_item['name'];
                $cache_key = 'timer_call_' . $name . '_' . $call_item['concurrency_id'];
                $cache_tag = 'call_timer';
                $last_exec_time = Cache::get($cache_key, 0);
                if ($last_exec_time >= time() - $call_item['frequency']) {
                    continue;
                }
                Cache::tag($cache_tag)->set($cache_key, time());
                call_user_func($call_item['target']);
                $output->writeln(date('Y-m-d H:i:s') . ': call function ' . $name . ' finished');
            }

            if ($input->hasOption('temp')) {
                break;
            }

            sleep(1);
        }
    }
}