<?php

namespace Hestia\WebApp\Installers\Wordpress;

use Hestia\System\Util;
use Hestia\WebApp\Installers\BaseSetup as BaseSetup;
use function Hestiacp\quoteshellarg\quoteshellarg;

class WordpressSetup extends BaseSetup {
	protected $appInfo = [
		"name" => "WordPress",
		"group" => "cms",
		"enabled" => true,
		"version" => "latest",
		"thumbnail" => "wp-thumb.png",
	];

	protected $appname = "wordpress";
	protected $config = [
		"form" => [
			//'protocol' => [
			//  'type' => 'select',
			//  'options' => ['http','https'],
			//],

			"site_name" => ["type" => "text", "value" => "WordPress Blog"],
			"wordpress_account_username" => ["value" => "wpadmin"],
			"wordpress_account_email" => "text",
			"wordpress_account_password" => "password",
			"install_directory" => ["type" => "text", "value" => "", "placeholder" => "/"],
			"language" => [
				"type" => "select",
				"value" => "en_US",
				"options" => [
					"cs_CZ" => "Czech",
					"de_DE" => "German",
					"es_ES" => "Spanish",
					"en_US" => "English",
					"fr_FR" => "French",
					"hu_HU" => "Hungarian",
					"it_IT" => "Italian",
					"nl_NL" => "Dutch",
					"pt_PT" => "Portuguese",
					"pt_BR" => "Portuguese (Brazil)",
					"sk_SK" => "Slovak",
					"sr_RS" => "Serbian",
					"tr_TR" => "Turkish",
					"ru_RU" => "Russian",
					"uk" => "Ukrainian",
					"zh-CN" => "Simplified Chinese (China)",
					"zh_TW" => "Traditional Chinese",
				],
			],
		],
		"database" => true,
		"resources" => [
			"wp" => ["src" => "https://wordpress.org/latest.tar.gz"],
		],
		"server" => [
			"nginx" => [
				"template" => "wordpress",
			],
			"php" => [
				"supported" => ["7.4", "8.0", "8.1", "8.2"],
			],
		],
	];

	public function install(array $options = null) {
		parent::setAppDirInstall($options["install_directory"]);
		parent::install($options);
		parent::setup($options);

		$this->appcontext->runUser(
			"v-open-fs-file",
			[$this->getDocRoot("wp-config-sample.php")],
			$result,
		);
		foreach ($result->raw as $line_num => $line) {
			if ('$table_prefix =' === substr($line, 0, 15)) {
				$result->raw[$line_num] =
					'$table_prefix = \'' .
					addcslashes(Util::generate_string(5, false) . "_", "\\'") .
					"';\r\n";
				continue;
			}
			if (!preg_match('/^define\(\s*\'([A-Z_]+)\',([ ]+)/', $line, $match)) {
				continue;
			}
			$constant = $match[1];
			$padding = $match[2];
			switch ($constant) {
				case "DB_NAME":
					$result->raw[$line_num] =
						"define( '" .
						$constant .
						"'," .
						$padding .
						"'" .
						addcslashes(
							$this->appcontext->user() . "_" . $options["database_name"],
							"\\'",
						) .
						"' );";
					break;
				case "DB_USER":
					$result->raw[$line_num] =
						"define( '" .
						$constant .
						"'," .
						$padding .
						"'" .
						addcslashes(
							$this->appcontext->user() . "_" . $options["database_user"],
							"\\'",
						) .
						"' );";
					break;
				case "DB_PASSWORD":
					$result->raw[$line_num] =
						"define( '" .
						$constant .
						"'," .
						$padding .
						"'" .
						addcslashes($options["database_password"], "\\'") .
						"' );";
					break;
				case "DB_HOST":
					$result->raw[$line_num] =
						"define( '" .
						$constant .
						"'," .
						$padding .
						"'" .
						addcslashes("localhost", "\\'") .
						"' );";
					break;
				case "DB_CHARSET":
					$result->raw[$line_num] =
						"define( '" .
						$constant .
						"'," .
						$padding .
						"'" .
						addcslashes("utf8mb4", "\\'") .
						"' );";
					break;
				case "AUTH_KEY":
				case "SECURE_AUTH_KEY":
				case "LOGGED_IN_KEY":
				case "NONCE_KEY":
				case "AUTH_SALT":
				case "SECURE_AUTH_SALT":
				case "LOGGED_IN_SALT":
				case "NONCE_SALT":
					$result->raw[$line_num] =
						"define( '" .
						$constant .
						"'," .
						$padding .
						"'" .
						Util::generate_string(64) .
						"' );";
					break;
			}
		}

		$tmp_configpath = $this->saveTempFile(implode("\r\n", $result->raw));

		if (
			!$this->appcontext->runUser(
				"v-move-fs-file",
				[$tmp_configpath, $this->getDocRoot("wp-config.php")],
				$result,
			)
		) {
			throw new \Exception(
				"Error installing config file in: " .
					$tmp_configpath .
					" to:" .
					$this->getDocRoot("wp-config.php") .
					$result->text,
			);
		}

		$this->appcontext->downloadUrl(
			"https://raw.githubusercontent.com/roots/wp-password-bcrypt/master/wp-password-bcrypt.php",
			null,
			$plugin_output,
		);
		$this->appcontext->runUser(
			"v-add-fs-directory",
			[$this->getDocRoot("wp-content/mu-plugins/")],
			$result,
		);
		if (
			!$this->appcontext->runUser(
				"v-copy-fs-file",
				[
					$plugin_output->file,
					$this->getDocRoot("wp-content/mu-plugins/wp-password-bcrypt.php"),
				],
				$result,
			)
		) {
			throw new \Exception(
				"Error installing wp-password-bcrypt file in: " .
					$plugin_output->file .
					" to:" .
					$this->getDocRoot("wp-content/mu-plugins/wp-password-bcrypt.php") .
					$result->text,
			);
		}

		$this->appcontext->run(
			"v-list-web-domain",
			[$this->appcontext->user(), $this->domain, "json"],
			$status,
		);
		$sslEnabled = $status->json[$this->domain]["SSL"] == "no" ? 0 : 1;
		$webDomain = ($sslEnabled ? "https://" : "http://") . $this->domain . "/";
		$webPort = $sslEnabled ? "443" : "80";

		if (substr($options["install_directory"], 0, 1) == "/") {
			$options["install_directory"] = substr($options["install_directory"], 1);
		}
		if (substr($options["install_directory"], -1, 1) == "/") {
			$options["install_directory"] = substr(
				$options["install_directory"],
				0,
				strlen($options["install_directory"]) - 1,
			);
		}

		exec(
			"/usr/bin/curl --location --post301 --insecure --resolve " .
				$this->domain .
				":$webPort:" .
				$this->appcontext->getWebDomainIp($this->domain) .
				" " .
				quoteshellarg(
					$webDomain . $options["install_directory"] . "/wp-admin/install.php?step=2",
				) .
				" -d " .
				quoteshellarg(
					"weblog_title=" .
						rawurlencode($options["site_name"]) .
						"&user_name=" .
						rawurlencode($options["wordpress_account_username"]) .
						"&admin_password=" .
						rawurlencode($options["wordpress_account_password"]) .
						"&admin_password2=" .
						rawurlencode($options["wordpress_account_password"]) .
						"&admin_email=" .
						rawurlencode($options["wordpress_account_email"]),
				),
			$output,
			$return_var,
		);

		if (
			strpos(implode(PHP_EOL, $output), "Error establishing a database connection") !== false
		) {
			throw new \Exception("Error establishing a database connection");
		}
		if ($return_var > 0) {
			throw new \Exception(implode(PHP_EOL, $output));
		}
		return $return_var === 0;
	}
}