<?php

namespace Valet;

use GuzzleHttp\Client;

class Valet
{
    public $cli;
    public $files;

    public $valetBin = BREW_PREFIX.'/bin/valet';

    /**
     * Create a new Valet instance.
     *
     * @param  CommandLine  $cli
     * @param  Filesystem  $files
     */
    public function __construct(CommandLine $cli, Filesystem $files)
    {
        $this->cli = $cli;
        $this->files = $files;
    }

    /**
     * Symlink the Valet Bash script into the user's local bin.
     *
     * @return void
     */
    public function symlinkToUsersBin()
    {
        $this->unlinkFromUsersBin();

        $this->cli->runAsUser('ln -s "'.realpath(__DIR__.'/../../valet').'" '.$this->valetBin);
    }

    /**
     * Remove the symlink from the user's local bin.
     *
     * @return void
     */
    public function unlinkFromUsersBin()
    {
        $this->cli->quietlyAsUser('rm '.$this->valetBin);
    }

    /**
     * Get the paths to all of the Valet extensions.
     *
     * @return array
     */
    public function extensions()
    {
        if (! $this->files->isDir(VALET_HOME_PATH.'/Extensions')) {
            return [];
        }

        return collect($this->files->scandir(VALET_HOME_PATH.'/Extensions'))
                    ->reject(function ($file) {
                        return is_dir($file);
                    })
                    ->map(function ($file) {
                        return VALET_HOME_PATH.'/Extensions/'.$file;
                    })
                    ->values()->all();
    }

    /**
     * Determine if this is the latest version of Valet.
     *
     * @param  string  $currentVersion
     * @return bool
     *
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    public function onLatestVersion($currentVersion)
    {
        $url = 'https://api.github.com/repos/laravel/valet/releases/latest';
        $response = json_decode((new Client())->get($url)->getBody());

        return version_compare($currentVersion, trim($response->tag_name, 'v'), '>=');
    }

    /**
     * Create the "sudoers.d" entry for running Valet.
     *
     * @return void
     */
    public function createSudoersEntry()
    {
        $this->files->ensureDirExists('/etc/sudoers.d');

        $this->files->put('/etc/sudoers.d/valet', 'Cmnd_Alias VALET = '.BREW_PREFIX.'/bin/valet *
%admin ALL=(root) NOPASSWD:SETENV: VALET'.PHP_EOL);
    }

    /**
     * Remove the "sudoers.d" entry for running Valet.
     *
     * @return void
     */
    public function removeSudoersEntry()
    {
        $this->cli->quietly('rm /etc/sudoers.d/valet');
    }

    /**
     * Run composer global diagnose.
     */
    public function composerGlobalDiagnose()
    {
        $this->cli->runAsUser('composer global diagnose');
    }

    /**
     * Run composer global update.
     */
    public function composerGlobalUpdate()
    {
        $this->cli->runAsUser('composer global update');
    }
}