<?php

namespace App\Console\Commands;

use App\Repositories\Models\Base\Permission;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Str;

/**
 * Class PresenterCommand
 * @package Prettus\Repository\Generators\Commands
 * @author Anderson Andrade <contato@andersonandra.de>
 */
class InitPermissionsCommand extends Command
{
    /**
     * The name of command.
     *
     * @var string
     */
    protected $name = 'init:permissions';
    /**
     * The description of command.
     *
     * @var string
     */
    protected $description = 'test';
    /**
     * The type of class being generated.
     *
     * @var string
     */
    protected $type = 'permission';

    /**
     * Execute the console command.
     *
     * @return void
     */
    public function handle()
    {
        $router = $this->getRouter();
        $routeCollection = $router->getRoutes();
        $rows = [];
        $permissions = [];

        foreach ($routeCollection as $route) {
            if (!Str::startsWith($route['uri'], '/admin')) continue;
            $row = [
                'verb' => $route['method'],
                'path' => $route['uri'],
                'namedRoute' => $this->getNamedRoute($route['action']),
                'controller' => $this->getController($route['action']),
                'action' => $this->getAction($route['action']),
                'middleware' => $this->getMiddleware($route['action']),
            ];

            $index = count($rows);

            if ($row['controller'] != 'None' && $index > 0) {
                $reflection = new \ReflectionClass($row['controller']);

                $controllerDoc = $reflection->getDocComment();
                //解析类的注释头
                $controllerParseResult = $this->parse($controllerDoc);
                if (array_key_exists('name', $controllerParseResult)) {
                    $row['controller_name'] = $controllerParseResult['name'];
                } elseif (array_key_exists('description', $controllerParseResult)) {
                    $row['controller_name'] = $controllerParseResult['description'];
                } else {
                    $row['controller_name'] = $controllerParseResult['long_description'];
                }
                try {
                    $method = $reflection->getMethod($row['action'])->getDocComment();
                    $methodParseResult = $this->parse($method);
                    if (array_key_exists('name', $methodParseResult)) {
                        $row['action_name'] = $methodParseResult['name'];
                    } elseif (array_key_exists('description', $methodParseResult)) {
                        $row['action_name'] = $methodParseResult['description'];
                    } else {
                        $row['action_name'] = $methodParseResult['long_description'];
                    }

                } catch (\Exception $exception) {
                    dd($route, $exception);
                }
                $row['is_must'] = 0;
                if (array_key_exists('must', $methodParseResult)) {
                    $row['is_must'] = 1;
                }

//                $name = str_replace('/', ':', trim($row['path'], '/')) . ':' . $row['action'];
//                $name = str_replace('\\', ':', str_replace(['App\Http\Controllers\\'], '', $row['controller'])) . ':' . $row['action'];
                $name = $row['verb'] . '|' . str_replace('/', ':', trim($row['path'], '/'));
                $permissions[] = [
                    'name' => $name,
                    'nickname' => $row['action_name'],
                    'module' => $row['controller_name'],
                    'url' => $row['path'],
                    'method' => $row['verb'],
                    'controller' => $row['controller'],
                    'action' => $row['action'],
                    'is_must' => $row['is_must'],
                    'guard_name' => 'admins',
                ];
            }


            $rows[] = $row;
        }

//        if ($this->laravel->bound(Router::class)) {
//            $routes = $this->laravel->make(Router::class)->getRoutes();
//
//            foreach ($routes as $route) {
//                foreach ($route->getRoutes() as $innerRoute) {
//                    $rows[] = [
//                        'verb' => implode('|', $innerRoute->getMethods()),
//                        'path' => $innerRoute->getPath(),
//                        'namedRoute' => $innerRoute->getName(),
//                        'controller' => get_class($innerRoute->getControllerInstance()),
//                        'action' => $this->getAction($innerRoute->getAction()),
//                        'middleware' => implode('|', $innerRoute->getMiddleware()),
//                    ];
//                }
//            }
//        }


//        $headers = array('Verb', 'Path', 'NamedRoute', 'Controller', 'Action', 'Middleware', 'controller_name', 'action_name', 'is_must');
//        $this->table($headers, $rows);
//        $headers = array('name', 'nickname', 'module', 'url', 'method', 'controller', 'action', 'is_must', 'guard_name');
//        $this->table($headers, $permissions);
        DB::statement('SET FOREIGN_KEY_CHECKS = 0'); // 禁用外键约束
        DB::table('base_permissions')->truncate();
        DB::statement('SET FOREIGN_KEY_CHECKS = 1'); // 启用外键约束

        DB::transaction(function () use ($permissions) {
            foreach ($permissions as $permission) {
                Permission::query()->updateOrCreate(['name' => $permission['name']], $permission);
            }
        });
        $this->line('ok');
    }

    /**
     * Get the router.
     *
     * @return \Laravel\Lumen\Routing\Router
     */
    protected function getRouter()
    {
        return isset($this->laravel->router) ? $this->laravel->router : $this->laravel;
    }

    /**
     * @param array $action
     * @return string
     */
    protected function getNamedRoute(array $action)
    {
        return (!isset($action['as'])) ? "" : $action['as'];
    }

    /**
     * @param array $action
     * @return mixed|string
     */
    protected function getController(array $action)
    {
        if (empty($action['uses'])) {
            return 'None';
        }
        return current(explode("@", $action['uses']));
    }

    /**
     * @param array $action
     * @return string
     */
    protected function getAction(array $action)
    {
        if (!empty($action['uses']) && is_string($action['uses'])) {
            $data = $action['uses'];
            if (($pos = strpos($data, "@")) !== false) {
                return substr($data, $pos + 1);
            } else {
                return "METHOD NOT FOUND";
            }
        } else {
            return 'Closure';
        }
    }

    /**
     * @param array $action
     * @return string
     */
    protected function getMiddleware(array $action)
    {
        return (isset($action['middleware'])) ? (is_array($action['middleware'])) ? join(", ", $action['middleware']) : $action['middleware'] : '';
    }


    function parse($doc = '')
    {
        $params = [];
        if ($doc == '') {
            return $params;
        }
        // Get the comment
        if (preg_match('#^/\*\*(.*)\*/#s', $doc, $comment) === false) return $params;
        $comment = trim($comment[1]);
        // Get all the lines and strip the * from the first character
        if (preg_match_all('#^\s*\*(.*)#m', $comment, $lines) === false) return $params;
        $this->parseLines($lines[1], $params);
        return $params;
    }

    private function parseLines($lines, &$params)
    {
        foreach ($lines as $line) {
            $parsedLine = $this->parseLine($line, $params); // Parse the line

            if ($parsedLine === false && !isset($params['description'])) {
                if (isset($desc)) {
                    // Store the first line in the short description
                    $params['description'] = implode(PHP_EOL, $desc);
                }
                $desc = array();
            } elseif ($parsedLine !== false) {
                $desc[] = $parsedLine; // Store the line in the long description
            }
        }
        $desc = implode(' ', $desc);
        if (!empty($desc))
            $params['long_description'] = $desc;
    }

    private function parseLine($line, &$params)
    {
        // trim the whitespace from the line
        $line = trim($line);

        if (empty ($line))
            return false; // Empty line

        if (strpos($line, '@') === 0) {
            if (strpos($line, ' ') > 0) {
                // Get the parameter name
                $param = substr($line, 1, strpos($line, ' ') - 1);
                $value = substr($line, strlen($param) + 2); // Get the value
            } else {
                $param = substr($line, 1);
                $value = '';
            }
            // Parse the line and return false if the parameter is valid
            if ($this->setParam($param, $value, $params)) return false;
        }

        return $line;
    }

    private function setParam($param, $value, &$params)
    {
        if ($param == 'param' || $param == 'return') $value = $this->formatParamOrReturn($value);
        if ($param == 'class') list($param, $value) = $this->formatClass($value);

        if (empty ($params[$param])) {
            $params[$param] = $value;
        } else if ($param == 'param') {
            $arr = array(
                $params[$param],
                $value
            );
            $params[$param] = $arr;
        } else {
            if (array_key_exists($param, $params)) $params[$param] = (string)$value . $params[$param];
        }
        return true;
    }

    private function formatParamOrReturn($string)
    {
        $pos = strpos($string, ' ');

        $type = substr($string, 0, $pos);
        return '(' . $type . ')' . substr($string, $pos + 1);
    }

    private function formatClass($value)
    {
        $r = preg_split("[\(|\)]", $value);
        if (is_array($r)) {
            $param = $r [0];
            parse_str($r [1], $value);
            foreach ($value as $key => $val) {
                $val = explode(',', $val);
                if (count($val) > 1)
                    $value [$key] = $val;
            }
        } else {
            $param = 'Unknown';
        }
        return array(
            $param,
            $value
        );
    }
}