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1<?php
2
3namespace Qmp\Laravel\CommandsLaravel\Middleware\Core;
4
5use Closure;
6use Qmp\Laravel\CommandsLaravel\Console\Commands\Command;
7
8class MiddlewareStack
9{
10
11    /**
12     * Undocumented variable
13     *
14     * @var array
15     */
16    protected $middleware = [];
17
18    /**
19     * Undocumented variable
20     *
21     * @var Command
22     */
23    protected $command;
24
25    /**
26     * Undocumented variable
27     *
28     * @var MiddlewareData
29     */
30    protected $middlewareData;
31
32    /**
33     * Undocumented function
34     *
35     * @param Command $command
36     */
37    public function __construct(Command $command)
38    {
39        $this->command = $command;
40    }
41
42    /**
43     * Undocumented function
44     *
45     * @param array $middleware
46     * @return self
47     */
48    public function addMiddleware(array $middleware)
49    {
50        $this->middleware = array_merge($this->middleware, $middleware);
51
52        return $this;
53    }
54
55    /**
56     * Undocumented function
57     *
58     * @param Closure $core
59     * @return void
60     */
61    public function process(Closure $core)
62    {
63        $coreFunction = $this->createCoreFunction($core);
64        $middleware = array_reverse($this->middleware);
65        $completeMiddleware = array_reduce($middleware, function ($nextMiddleware, $middleware) {
66            return $this->createMiddleware($nextMiddleware, $middleware);
67        }, $coreFunction);
68
69        return $completeMiddleware();
70    }
71
72    /**
73     * Undocumented function
74     *
75     * @param [type] $nextLayer
76     * @param [type] $layer
77     * @return void
78     */
79    private function createMiddleware($nextMiddleware, $middleware)
80    {
81        return function () use ($nextMiddleware, $middleware) {
82            return (new $middleware())->handle($this->command, $nextMiddleware);
83        };
84    }
85
86    /**
87     * Undocumented function
88     *
89     * @param Closure $core
90     * @return void
91     */
92    private function createCoreFunction(Closure $core)
93    {
94        return function () use ($core) {
95            return $core();
96        };
97    }
98}