<?php

namespace Middleware\Lib;

use Dever;

class Task
{
    # 执行某个业务接口
    public function run_api()
    {
        $channel_id = 1;
        $api_id = 1;
        $channel = Dever::db('middleware/channel')->find($channel_id);
        $channel_api = Dever::db('middleware/channel_api')->find($api_id);

        $url = $channel['host'] . $channel_api['uri'];

        $param = array();
        $header = $body = false;
        $method = 'get';
        $json = false;

        if ($channel_api['method'] == -1) {
            $channel_api['method'] = $channel['method'];
            $channel_api['post_method'] = $channel['post_method'];
        }
        if ($channel_api['post_method'] == 2) {
            $method = 'file';
        } elseif ($channel_api['method'] == 2) {
            $method = 'post';
        }
        if ($channel_api['post_method'] == 3) {
            $json = true;
        }

        if ($channel['type']) {
            $type = explode(',', $channel['type']);
            if (in_array(1, $type)) {
                # 请求体
                $this->request($body, 'request_body', array('channel_id' => $channel['id']), $channel, $channel_api);
            }

            if (in_array(2, $type)) {
                # 请求头
                $this->request($header, 'request_header', array('channel_id' => $channel['id']), $channel, $channel_api);
            }
        }

        if (!$body) {
            $body = $this->body($channel, $channel_api);
        }

        # 如果是ssl 这里需要处理一下

        $log['url'] = $url;
        $log['body'] = $body;
        $log['method'] = $method;
        $log['json'] = $json;
        $log['header'] = $header;

        print_r($log);die;
        //Dever::log($log, 'middleware');

        $response = Dever::curl($url, $body, $method, $json, $header);
    }

    public function value($data, $channel, $channel_api = array())
    {
        $value = $data['default'];
        if (strstr($value, 'Dever')) {
            $value = '$value = '.$value.';';
            eval($value);
        } elseif ($value == '{timestamp}') {
            $value = time();
        } elseif ($value == '{appkey}') {
            $value = $channel['appkey'];
        } elseif ($value == '{signature}') {
            //$value = $channel['signature'];//待处理
        } elseif ($value == '{api_request}' && $channel_api) {
            $value = $this->body($channel, $channel_api);
        }

        if ($data['type'] == 1) {
            $value = (float) $value;
        } elseif ($data['type'] == 2) {
            $value = (string) $value;
        } elseif ($data['type'] == 3 && is_array($value)) {
            $value = Dever::json_encode($value);
        }

        return $value;
    }

    public function request(&$data, $table, $where, $channel, $channel_api = array())
    {
        $request_body = Dever::db('middleware/channel_' . $table)->select($where);
        if ($request_body) {
            foreach ($request_body as $k => $v) {
                $data[$v['key']] = $this->value($v, $channel, $channel_api);
            }
        }
    }

    public function body($channel, $channel_api)
    {
        $body = array();
        $this->request($body, 'api_request', array('api_id' => $channel_api['id']), $channel);

        if (!$body) {
            $body = '';
        }
        return $body;
    }
}