<?php
/**
 * Created by Error202
 * Date: 03.09.2018
 */

namespace zertex;

class Setup
{
    private $_language;
    private $_type;

    private $_db_host;
    private $_db_name;
    private $_db_user;
    private $_db_pass;
    private $_db_connection;

    private $_username;
    private $_password;
    private $_email;

    private $_http_protocol;
    private $_domain;

    public function run()
    {
        // select language
        $this->selectLanguage();

        // select type
        $this->selectType();

        // run init
        if ($this->_type == 'd') {
            shell_exec('init --env=Development --overwrite=n');
        }
        else {
            shell_exec('init --env=Production --overwrite=n');
        }

        // config db
        while (!$this->setupMySQL()) {
            echo Console::log('Connection failed. Try again', 'red') . PHP_EOL;
        }
        $this->setConfigMySQL();
        echo Console::log('MySQL setup complete', 'green') . PHP_EOL;

        // apply migrations
        $this->runMigrations();

        // create admin
        $this->addAdmin();

        // setup domain data
        $this->setConfigDomains();

        echo '---------------------' . PHP_EOL;
        echo Console::log('Installation complete', 'yellow') . PHP_EOL;
        echo PHP_EOL;
        echo Console::log('Please set subdomains aliases in you domain DNS:', 'normal') . PHP_EOL;
        echo Console::log('admin.' . $this->_domain, 'normal') . PHP_EOL;
        echo Console::log('static.' . $this->_domain, 'normal') . PHP_EOL;
        echo '---------------------' . PHP_EOL;
    }

    private function selectType()
    {
        echo '---------------------' . PHP_EOL;
        echo Console::log('Select initialization type', 'white') . PHP_EOL;
        echo Console::log('[d] - Development', 'normal') . PHP_EOL;
        echo Console::log('[p] - Production', 'normal') . PHP_EOL;
        echo '---------------------' . PHP_EOL;
        $this->_type = readline('Type [p]: ') ?: 'p';
    }

    private function selectLanguage()
    {
        echo '---------------------' . PHP_EOL;
        echo Console::log('Select installer language', 'white') . PHP_EOL;
        echo Console::log('[ru] - Русский', 'normal') . PHP_EOL;
        echo Console::log('[en] - English', 'normal') . PHP_EOL;
        echo '---------------------' . PHP_EOL;
        $this->_language = readline('Language [en]: ') ?: 'en';
    }

    private function setupMySQL(): bool
    {
        echo '---------------------' . PHP_EOL;
        echo Console::log('MySQL settings', 'white') . PHP_EOL;
        echo '---------------------' . PHP_EOL;
        $this->_db_host = readline('Host [localhost]: ') ?: 'localhost';
        while (!$this->_db_name = readline('Database name: ')) {
            echo Console::log('Database name must be set', 'red') . PHP_EOL;
        };
        while (!$this->_db_user = readline('User: ')) {
            echo Console::log('User must be set', 'red') . PHP_EOL;
        };
        $this->_db_pass = readline('Password: ');

        return $this->checkDatabaseConnection();
    }

    private function checkDatabaseConnection(): bool
    {
        try {
            $this->_db_connection = new \PDO('mysql:host=' . $this->_db_host . ';dbname=' . $this->_db_name, $this->_db_user, $this->_db_pass);
            $this->_db_connection->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
            return true;
        } catch (\Exception $e) {
            return false;
        }
    }

    private function setConfigMySQL()
    {
        $mysql_line = 'mysql:host=' . $this->_db_host . ';dbname=' . $this->_db_name;
        $file = 'common/config/main-local.php';
        $content = file_get_contents($file);
        $content = preg_replace('/(("|\')dsn("|\')\s*=>\s*)(""|\'\')/', "\\1'$mysql_line'", $content);
        $content = preg_replace('/(("|\')username("|\')\s*=>\s*)(""|\'\')/', "\\1'$this->_db_user'", $content);
        $content = preg_replace('/(("|\')password("|\')\s*=>\s*)(""|\'\')/', "\\1'$this->_db_pass'", $content);
        file_put_contents($file, $content);
    }

    private function setConfigDomains()
    {
        echo '---------------------' . PHP_EOL;
        echo Console::log('Set your HTTP protocol (http/https)', 'white') . PHP_EOL;
        echo '---------------------' . PHP_EOL;
        $this->_http_protocol = readline('HTTP Protocol [http]: ') ?: 'http';

        echo '---------------------' . PHP_EOL;
        echo Console::log('Website domain name', 'white') . PHP_EOL;
        echo Console::log('Example: site.com, domain.ru', 'normal') . PHP_EOL;
        echo '---------------------' . PHP_EOL;
        while (!$this->_domain = readline('Domain name: ')) {
            echo Console::log('Domain must be set', 'red') . PHP_EOL;
        };

        $file = 'common/config/params-local.php';
        $content = file_get_contents($file);

        $site_domain = $this->_http_protocol . '://' . $this->_domain;
        $admin_domain = $this->_http_protocol . '://admin.' . $this->_domain;
        $static_domain = $this->_http_protocol . '://static.' . $this->_domain;

        $content = preg_replace('/(("|\')frontendHostInfo("|\')\s*=>\s*)(""|\'\')/', "\\1'$site_domain'", $content);
        $content = preg_replace('/(("|\')backendHostInfo("|\')\s*=>\s*)(""|\'\')/', "\\1'$admin_domain'", $content);
        $content = preg_replace('/(("|\')staticHostInfo("|\')\s*=>\s*)(""|\'\')/', "\\1'$static_domain'", $content);
        $content = preg_replace('/(("|\')supportEmail("|\')\s*=>\s*)(""|\'\')/', "\\1'$this->_email'", $content);
        $content = preg_replace('/(("|\')adminEmail("|\')\s*=>\s*)(""|\'\')/', "\\1'$this->_email'", $content);

        file_put_contents($file, $content);
    }

    private function addAdmin(): void
    {
        echo '---------------------' . PHP_EOL;
        echo Console::log('Create admin account', 'white') . PHP_EOL;
        echo '---------------------' . PHP_EOL;
        while (!$this->_username = readline('Username: ')) {
            echo Console::log('Username must be set', 'red') . PHP_EOL;
        };
        while (!$this->_email || ($this->_email && $this->checkEmail($this->_email))) {
            $this->_email = readline('E-mail: ');
            if (!$this->_email) {
                echo Console::log('E-mail must be set', 'red') . PHP_EOL;
            }
            if (!$this->checkEmail($this->_email)) {
                echo Console::log('E-mail must be correct', 'red') . PHP_EOL;
            }
        }
        $password = null;
        while (!$this->_password || $this->_password != $password) {
            while (!$this->_password = readline('Password: ')) {
                echo Console::log('Password must be set', 'red') . PHP_EOL;
            };
            $password = readline('Repeat password: ');
            if ($this->_password != $password) {
                echo Console::log('Passwords must be equal', 'red') . PHP_EOL;
            }
        };
        shell_exec('php yii user/add-admin "' . $this->_username . '" "' . $this->_email . '" "' . $this->_password . '"');
        echo Console::log('Admin account complete', 'green') . PHP_EOL;
    }

    private function checkEmail($email): bool
    {
        $email = filter_var($email, FILTER_VALIDATE_EMAIL);
        return $email ? true : false;
    }

    private function runMigrations(): void
    {
        echo '---------------------' . PHP_EOL;
        echo Console::log('Prepare MySQL tables', 'white') . PHP_EOL;
        echo '---------------------' . PHP_EOL;
        shell_exec('php yii migrate --interactive=0');
        echo Console::log('Complete', 'green') . PHP_EOL;
    }
}

chdir(dirname(__DIR__));
$setup = new Setup();
$setup->run();


// Colored class

class Console
{

    static $foreground_colors = array(
        'bold'         => '1',
        'dim'          => '2',
        'black'        => '0;30',
        'dark_gray'    => '1;30',
        'blue'         => '0;34',
        'light_blue'   => '1;34',
        'green'        => '0;32',
        'light_green'  => '1;32',
        'cyan'         => '0;36',
        'light_cyan'   => '1;36',
        'red'          => '0;31',
        'light_red'    => '1;31',
        'purple'       => '0;35',
        'light_purple' => '1;35',
        'brown'        => '0;33',
        'yellow'       => '1;33',
        'light_gray'   => '0;37',
        'white'        => '1;37',
        'normal'       => '0;39',
    );

    static $background_colors = array(
        'black'      => '40',
        'red'        => '41',
        'green'      => '42',
        'yellow'     => '43',
        'blue'       => '44',
        'magenta'    => '45',
        'cyan'       => '46',
        'light_gray' => '47',
    );

    static $options = array(
        'underline' => '4',
        'blink'     => '5',
        'reverse'   => '7',
        'hidden'    => '8',
    );
    static $EOF = "\n";

    /**
     * Logs a string to console.
     *
     * @param  string $str Input String
     * @param  string $color Text Color
     * @param  boolean $newline Append EOF?
     * @param  [type]  $background Background Color
     *
     * Formatted output
     */
    public static function log($str = '', $color = 'normal', $newline = false, $background_color = null)
    {
        if (is_bool($color)) {
            $newline = $color;
            $color   = 'normal';
        } elseif (is_string($color) && is_string($newline)) {
            $background_color = $newline;
            $newline          = true;
        }
        $str = $newline ? $str . self::$EOF : $str;
        echo self::$color($str, $background_color);
    }

    /**
     * Anything below this point (and its related variables):
     * Colored CLI Output is: (C) Jesse Donat
     * https://gist.github.com/donatj/1315354
     * -------------------------------------------------------------
     */

    /**
     * Catches static calls (Wildcard)
     *
     * @param  string $foreground_color Text Color
     * @param  array $args Options
     *
     * @return string                   Colored string
     */
    public static function __callStatic($foreground_color, $args)
    {
        $string         = $args[0];
        $colored_string = "";

        // Check if given foreground color found
        if (isset(self::$foreground_colors[$foreground_color])) {
            $colored_string .= "\033[" . self::$foreground_colors[$foreground_color] . "m";
        } else {
            die($foreground_color . ' not a valid color');
        }

        array_shift($args);
        foreach ($args as $option) {
            // Check if given background color found
            if (isset(self::$background_colors[$option])) {
                $colored_string .= "\033[" . self::$background_colors[$option] . "m";
            } elseif (isset(self::$options[$option])) {
                $colored_string .= "\033[" . self::$options[$option] . "m";
            }
        }

        // Add string and end coloring
        $colored_string .= $string . "\033[0m";

        return $colored_string;

    }

    /**
     * Plays a bell sound in console (if available)
     *
     * @param  integer $count Bell play count
     *
     * Bell play string
     */
    public static function bell($count = 1)
    {
        echo str_repeat("\007", $count);
    }
}