<?php
/**
 * @package    Joomla.Component.Builder
 *
 * @created    4th September, 2022
 * @author     Llewellyn van der Merwe <https://dev.vdm.io>
 * @git        Joomla Component Builder <https://git.vdm.dev/joomla/Component-Builder>
 * @copyright  Copyright (C) 2015 Vast Development Method. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace VDM\Joomla\Componentbuilder\Compiler\Joomlaplugin;


use VDM\Joomla\Componentbuilder\Compiler\Joomlaplugin\Data as Plugin;
use VDM\Joomla\Componentbuilder\Compiler\Component;
use VDM\Joomla\Componentbuilder\Compiler\Config;
use VDM\Joomla\Componentbuilder\Compiler\Registry;
use VDM\Joomla\Componentbuilder\Compiler\Customcode\Dispenser;
use VDM\Joomla\Componentbuilder\Compiler\Interfaces\EventInterface as Event;
use VDM\Joomla\Componentbuilder\Compiler\Utilities\Counter;
use VDM\Joomla\Componentbuilder\Compiler\Utilities\Folder;
use VDM\Joomla\Componentbuilder\Compiler\Utilities\File;
use VDM\Joomla\Componentbuilder\Compiler\Utilities\Files;
use VDM\Joomla\Componentbuilder\Compiler\Utilities\Indent;
use VDM\Joomla\Componentbuilder\Compiler\Utilities\Placefix;
use VDM\Joomla\Componentbuilder\Compiler\Utilities\Line;
use VDM\Joomla\Utilities\ArrayHelper;
use VDM\Joomla\Utilities\ObjectHelper;
use VDM\Joomla\Utilities\StringHelper;
use VDM\Joomla\Utilities\FileHelper;


/**
 * Joomla Plugin Builder Class
 * 
 * @since 3.2.0
 */
class Structure
{
	/**
	 * The Data Class.
	 *
	 * @var   Plugin
	 * @since 3.2.0
	 */
	protected Plugin $plugin;

	/**
	 * The Component Class.
	 *
	 * @var   Component
	 * @since 3.2.0
	 */
	protected Component $component;

	/**
	 * The Config Class.
	 *
	 * @var   Config
	 * @since 3.2.0
	 */
	protected Config $config;

	/**
	 * The Registry Class.
	 *
	 * @var   Registry
	 * @since 3.2.0
	 */
	protected Registry $registry;

	/**
	 * The Dispenser Class.
	 *
	 * @var   Dispenser
	 * @since 3.2.0
	 */
	protected Dispenser $dispenser;

	/**
	 * The EventInterface Class.
	 *
	 * @var   Event
	 * @since 3.2.0
	 */
	protected Event $event;

	/**
	 * The Counter Class.
	 *
	 * @var   Counter
	 * @since 3.2.0
	 */
	protected Counter $counter;

	/**
	 * The Folder Class.
	 *
	 * @var   Folder
	 * @since 3.2.0
	 */
	protected Folder $folder;

	/**
	 * The File Class.
	 *
	 * @var   File
	 * @since 3.2.0
	 */
	protected File $file;

	/**
	 * The Files Class.
	 *
	 * @var   Files
	 * @since 3.2.0
	 */
	protected Files $files;

	/**
	 * Constructor.
	 *
	 * @param Plugin      $plugin      The Data Class.
	 * @param Component   $component   The Component Class.
	 * @param Config      $config      The Config Class.
	 * @param Registry    $registry    The Registry Class.
	 * @param Dispenser   $dispenser   The Dispenser Class.
	 * @param Event       $event       The EventInterface Class.
	 * @param Counter     $counter     The Counter Class.
	 * @param Folder      $folder      The Folder Class.
	 * @param File        $file        The File Class.
	 * @param Files       $files       The Files Class.
	 *
	 * @since 3.2.0
	 */
	public function __construct(Plugin $plugin, Component $component, Config $config,
		Registry $registry, Dispenser $dispenser, Event $event,
		Counter $counter, Folder $folder, File $file,
		Files $files)
	{
		$this->plugin = $plugin;
		$this->component = $component;
		$this->config = $config;
		$this->registry = $registry;
		$this->dispenser = $dispenser;
		$this->event = $event;
		$this->counter = $counter;
		$this->folder = $folder;
		$this->file = $file;
		$this->files = $files;
	}

	/**
	 * Build the Plugins files, folders, url's and config
	 *
	 * @return  void
	 * @since 3.2.0
	 */
	public function build()
	{
		if ($this->plugin->exists())
		{
			// for plugin event TODO change event api signatures
			$component_context = $this->config->component_context;
			$plugins = $this->plugin->get();

			// Trigger Event: jcb_ce_onBeforeSetPlugins
			$this->event->trigger(
				'jcb_ce_onBeforeBuildPlugins',
				array(&$component_context, &$plugins)
			);

			foreach ($plugins as $plugin)
			{
				if (ObjectHelper::check($plugin)
					&& isset($plugin->folder_name)
					&& StringHelper::check($plugin->folder_name))
				{
					// plugin path
					$this->pluginPath($plugin);

					// set the plugin paths
					$this->registry->set('dynamic_paths.' . $plugin->key, $plugin->folder_path);

					// make sure there is no old build
					$this->folder->remove($plugin->folder_path);

					// creat the main component folder
					$this->folder->create($plugin->folder_path);

					// set main class file
					$this->setMainClassFile($plugin);

					// set main xml file
					$this->setMainXmlFile($plugin);

					// set install script if needed
					$this->setInstallScript($plugin);

					// set readme if found
					$this->setReadme($plugin);

					// set fields & rules folders if needed
					if (isset($plugin->fields_rules_paths)
						&& $plugin->fields_rules_paths == 2)
					{
						// create fields folder
						$this->folder->create($plugin->folder_path . '/fields');

						// create rules folder
						$this->folder->create($plugin->folder_path . '/rules');
					}

					// set forms folder if needed
					$this->setForms($plugin);

					// set SQL stuff if needed
					$this->setSQL($plugin);

					// creat the language folder path
					$this->folder->create($plugin->folder_path . '/language');

					// also creat the lang tag folder path
					$this->folder->create(
						$plugin->folder_path . '/language/' . $this->config->get('lang_tag', 'en-GB')
					);

					// check if this plugin has files
					$this->setFiles($plugin);

					// check if this plugin has folders
					$this->setFolders($plugin);

					// check if this plugin has urls
					$this->setUrls($plugin);
				}
			}
		}
	}

	/**
	 * get the plugin xml template
	 *
	 * @param   object   $plugin    The plugin object
	 *
	 * @return  string
	 * @since 3.2.0
	 */
	protected function getXML(object $plugin): string
	{
		$xml = '<?xml version="1.0" encoding="utf-8"?>';
		$xml .= PHP_EOL . '<extension type="plugin" version="'
			. $this->config->joomla_versions[$this->config->joomla_version]['xml_version'] . '" group="'
			. strtolower((string) $plugin->group) . '" method="upgrade">';
		$xml .= PHP_EOL . Indent::_(1) . '<name>' . $plugin->lang_prefix
			. '</name>';
		$xml .= PHP_EOL . Indent::_(1) . '<creationDate>' . Placefix::_h('BUILDDATE') . '</creationDate>';
		$xml .= PHP_EOL . Indent::_(1) . '<author>' . Placefix::_h('AUTHOR') . '</author>';
		$xml .= PHP_EOL . Indent::_(1) . '<authorEmail>' . Placefix::_h('AUTHOREMAIL') . '</authorEmail>';
		$xml .= PHP_EOL . Indent::_(1) . '<authorUrl>' . Placefix::_h('AUTHORWEBSITE') . '</authorUrl>';
		$xml .= PHP_EOL . Indent::_(1) . '<copyright>' . Placefix::_h('COPYRIGHT') . '</copyright>';
		$xml .= PHP_EOL . Indent::_(1) . '<license>' . Placefix::_h('LICENSE') . '</license>';
		$xml .= PHP_EOL . Indent::_(1) . '<version>' . $plugin->plugin_version
			. '</version>';
		$xml .= PHP_EOL . Indent::_(1) . '<description>' . $plugin->lang_prefix
			. '_XML_DESCRIPTION</description>';
		$xml .= Placefix::_h('MAINXML');
		$xml .= PHP_EOL . '</extension>';

		return $xml;
	}

	/**
	 * set the plugin path
	 *
	 * @param   object   $plugin    The plugin object
	 *
	 * @return  void
	 * @since 3.2.0
	 */
	protected function pluginPath(object &$plugin): void
	{
		$plugin->folder_path = $this->config->get('compiler_path', JPATH_COMPONENT_ADMINISTRATOR . '/compiler') . '/'
			. $plugin->folder_name;
	}

	/**
	 * set the main class path
	 *
	 * @param   object   $plugin    The plugin object
	 *
	 * @return  void
	 * @since 3.2.0
	 */
	protected function setMainClassFile(object $plugin): void
	{
		$file_details = [
			'path' => $plugin->folder_path . '/' . $plugin->file_name . '.php',
			'name' => $plugin->file_name . '.php',
			'zip' => $plugin->file_name . '.php'
		];

		$this->file->write(
			$file_details['path'],
			'<?php' . PHP_EOL . '// Plugin main class template' .
			PHP_EOL . Placefix::_h('BOM') . PHP_EOL .
			PHP_EOL . '// No direct access to this file' . PHP_EOL .
			"defined('_JEXEC') or die('Restricted access');"
			. PHP_EOL .
			Placefix::_h('MAINCLASS')
		);

		$this->files->appendArray($plugin->key, $file_details);

		// count the file created
		$this->counter->file++;
	}

	/**
	 * set the main xml file
	 *
	 * @param   object   $plugin    The plugin object
	 *
	 * @return  void
	 * @since 3.2.0
	 */
	protected function setMainXmlFile(object $plugin): void
	{
		$file_details = [
			'path' => $plugin->folder_path . '/' . $plugin->file_name . '.xml',
			'name' => $plugin->file_name . '.xml',
			'zip' => $plugin->file_name . '.xml'
		];

		$this->file->write(
			$file_details['path'],
			$this->getXML($plugin)
		);

		$this->files->appendArray($plugin->key, $file_details);

		// count the file created
		$this->counter->file++;
	}

	/**
	 * set the install script file
	 *
	 * @param   object   $plugin    The plugin object
	 *
	 * @return  void
	 * @since 3.2.0
	 */
	protected function setInstallScript(object $plugin): void
	{
		if ($plugin->add_install_script)
		{
			$file_details = [
				'path' => $plugin->folder_path . '/script.php',
				'name' => 'script.php',
				'zip' => 'script.php'
			];

			$this->file->write(
				$file_details['path'],
				'<?php' . PHP_EOL . '// Script template' .
				PHP_EOL . Placefix::_h('BOM') . PHP_EOL .
				PHP_EOL . '// No direct access to this file' . PHP_EOL .
				"defined('_JEXEC') or die('Restricted access');" . PHP_EOL .
				Placefix::_h('INSTALLCLASS')
			);

			$this->files->appendArray($plugin->key, $file_details);

			// count the file created
			$this->counter->file++;
		}
	}

	/**
	 * set the readme file
	 *
	 * @param   object   $plugin    The plugin object
	 *
	 * @return  void
	 * @since 3.2.0
	 */
	protected function setReadme(object $plugin): void
	{
		if ($plugin->addreadme)
		{
			$file_details = [
				'path' => $plugin->folder_path . '/README.md',
				'name' => 'README.md',
				'zip' => 'README.md'
			];

			$this->file->write($file_details['path'], $plugin->readme);
			$this->files->appendArray($plugin->key, $file_details);

			// count the file created
			$this->counter->file++;
		}
	}

	/**
	 * set the form files and folders
	 *
	 * @param   object   $plugin    The plugin object
	 *
	 * @return  void
	 * @since 3.2.0
	 */
	protected function setForms(object $plugin): void
	{
		if (isset($plugin->form_files)
			&& ArrayHelper::check($plugin->form_files))
		{
			// create forms folder
			$this->folder->create($plugin->folder_path . '/forms');

			// set the template files
			foreach ($plugin->form_files as $file => $fields)
			{
				// set file details
				$file_details = [
					'path' => $plugin->folder_path . '/forms/' . $file . '.xml',
					'name' => $file . '.xml',
					'zip' => 'forms/' . $file . '.xml'
				];

				// build basic XML
				$xml = '<?xml version="1.0" encoding="utf-8"?>';
				$xml .= PHP_EOL . '<!--' . Line::_(__Line__, __Class__)
					. ' default paths of ' . $file
					. ' form points to ' . $this->config->component_code_name
					. ' -->';

				// search if we must add the component path
				$add_component_path = false;
				foreach ($fields as $field_name => $fieldsets)
				{
					if (!$add_component_path)
					{
						foreach ($fieldsets as $fieldset => $field)
						{
							if (!$add_component_path
								&& isset($plugin->fieldsets_paths[$file . $field_name . $fieldset])
								&& $plugin->fieldsets_paths[$file. $field_name . $fieldset] == 1)
							{
								$add_component_path = true;
							}
						}
					}
				}

				// only add if part of the component field types path is required
				if ($add_component_path)
				{
					$xml .= PHP_EOL . '<form';

					if ($this->config->get('joomla_version', 3) == 3)
					{
						$xml .= PHP_EOL . Indent::_(1)
							. 'addrulepath="/administrator/components/com_'
							. $this->config->component_code_name
							. '/models/rules"';
						$xml .= PHP_EOL . Indent::_(1)
							. 'addfieldpath="/administrator/components/com_'
							. $this->config->component_code_name
							. '/models/fields"';
					}
					else
					{
						$xml .= PHP_EOL . Indent::_(1)
							. 'addruleprefix="' . $this->config->namespace_prefix
							. '\Component\\' . StringHelper::safe($this->config->component_code_name, 'F')
							. '\Administrator\Rule"';
						$xml .= PHP_EOL . Indent::_(1)
							.'addfieldprefix="' . $this->config->namespace_prefix
							. '\Component\\' . StringHelper::safe($this->config->component_code_name, 'F')
							. '\Administrator\Field"';
					}

					$xml .= PHP_EOL . '>';
				}
				else
				{
					$xml .= PHP_EOL . '<form>';
				}

				// add the fields
				foreach ($fields as $field_name => $fieldsets)
				{
					// check if we have an double fields naming set
					$field_name_inner = '';
					$field_name_outer = $field_name;
					if (strpos((string)$field_name, '.') !== false)
					{
						$field_names = explode('.', (string)$field_name);
						if (count((array)$field_names) == 2)
						{
							$field_name_outer = $field_names[0];
							$field_name_inner = $field_names[1];
						}
					}
					$xml .= PHP_EOL . Indent::_(1)
						. '<fields name="' . $field_name_outer
						. '">';
					foreach ($fieldsets as $fieldset => $field)
					{
						// default to the field set name
						$label = $fieldset;
						if (isset($plugin->fieldsets_label[$file . $field_name . $fieldset]))
						{
							$label = $plugin->fieldsets_label[$file . $field_name . $fieldset];
						}

						// add path to plugin rules and custom fields
						if (isset($plugin->fieldsets_paths[$file . $field_name . $fieldset])
							&& ($plugin->fieldsets_paths[$file . $field_name . $fieldset] == 2
								|| $plugin->fieldsets_paths[$file . $field_name . $fieldset] == 3))
						{
							if (!isset($plugin->add_rule_path[$file . $field_name . $fieldset]))
							{
								$plugin->add_rule_path[$file . $field_name . $fieldset] =
									'/plugins/' . strtolower((string)$plugin->group) . '/'
									. strtolower((string)$plugin->code_name) . '/rules';
							}

							if (!isset($plugin->add_field_path[$file . $field_name . $fieldset]))
							{
								$plugin->add_field_path[$file . $field_name . $fieldset] =
									'/plugins/' . strtolower((string)$plugin->group
									) . '/' . strtolower((string)$plugin->code_name)
									. '/fields';
							}
						}

						// add path to plugin rules and custom fields
						if (isset($plugin->add_rule_path[$file . $field_name . $fieldset])
							|| isset($plugin->add_field_path[$file . $field_name . $fieldset]))
						{
							$xml .= PHP_EOL . Indent::_(1) . '<!--'
								. Line::_(__Line__, __Class__) . ' default paths of '
								. $fieldset . ' fieldset points to the plugin -->';

							$xml .= PHP_EOL . Indent::_(1) . '<fieldset name="'
								. $fieldset . '" label="' . $label . '"';

							if (isset($plugin->add_rule_path[$file . $field_name . $fieldset]))
							{
								$xml .= PHP_EOL . Indent::_(2)
									. 'addrulepath="' . $plugin->add_rule_path[$file . $field_name . $fieldset] . '"';
							}

							if (isset($plugin->add_field_path[$file . $field_name . $fieldset]))
							{
								$xml .= PHP_EOL . Indent::_(2)
									. 'addfieldpath="' . $plugin->add_field_path[$file . $field_name . $fieldset] . '"';
							}

							$xml .= PHP_EOL . Indent::_(1) . '>';
						}
						else
						{
							$xml .= PHP_EOL . Indent::_(1) . '<fieldset name="'
								. $fieldset . '" label="' . $label . '">';
						}

						// check if we have an inner field set
						if (StringHelper::check($field_name_inner))
						{
							$xml .= PHP_EOL . Indent::_(1)
								. '<fields name="'
								. $field_name_inner . '">';
						}

						// add the placeholder of the fields
						$xml .= Placefix::_h('FIELDSET_' . $file
							. $field_name . $fieldset);

						// check if we have an inner field set
						if (StringHelper::check($field_name_inner))
						{
							$xml .= PHP_EOL . Indent::_(1)
								. '</fields>';
						}
						$xml .= PHP_EOL . Indent::_(1)
							. '</fieldset>';
					}
					$xml .= PHP_EOL . Indent::_(1) . '</fields>';
				}
				$xml .= PHP_EOL . '</form>';

				// add xml to file
				$this->file->write($file_details['path'], $xml);
				$this->files->appendArray($plugin->key, $file_details);

				// count the file created
				$this->counter->file++;
			}
		}
	}

	/**
	 * set the sql stuff
	 *
	 * @param   object   $plugin    The plugin object
	 *
	 * @return  void
	 * @since 3.2.0
	 */
	protected function setSQL(object $plugin): void
	{
		if ($plugin->add_sql || $plugin->add_sql_uninstall)
		{
			// create SQL folder
			$this->folder->create($plugin->folder_path . '/sql');

			// create mysql folder
			$this->folder->create(
				$plugin->folder_path . '/sql/mysql'
			);

			// now set the install file
			if ($plugin->add_sql)
			{
				$this->file->write(
					$plugin->folder_path . '/sql/mysql/install.sql',
					$plugin->sql
				);

				// count the file created
				$this->counter->file++;
			}

			// now set the uninstall file
			if ($plugin->add_sql_uninstall)
			{
				$this->file->write(
					$plugin->folder_path
					. '/sql/mysql/uninstall.sql',
					$plugin->sql_uninstall
				);

				// count the file created
				$this->counter->file++;
			}
		}
	}

	/**
	 * set the files
	 *
	 * @param   object   $plugin    The plugin object
	 *
	 * @return  void
	 * @since 3.2.0
	 */
	protected function setFiles(object $plugin): void
	{
		if (isset($plugin->files) && ArrayHelper::check($plugin->files))
		{
			// add to component files
			foreach ($plugin->files as $file)
			{
				// set the path finder
				$file['target_type'] = $plugin->target_type;
				$file['target_id'] = $plugin->id;

				$this->component->appendArray('files', $file);
			}
		}
	}

	/**
	 * set the folders
	 *
	 * @param   object   $plugin    The plugin object
	 *
	 * @return  void
	 * @since 3.2.0
	 */
	protected function setFolders(object $plugin): void
	{
		if (isset($plugin->folders) && ArrayHelper::check($plugin->folders))
		{
			// add to component folders
			foreach ($plugin->folders as $folder)
			{
				// set the path finder
				$folder['target_type'] = $plugin->target_type;
				$folder['target_id'] = $plugin->id;

				$this->component->appendArray('folders', $folder);
			}
		}
	}

	/**
	 * set the urls
	 *
	 * @param   object   $plugin    The plugin object
	 *
	 * @return  void
	 * @since 3.2.0
	 */
	protected function setUrls(object &$plugin): void
	{
		if (isset($plugin->urls) && ArrayHelper::check($plugin->urls))
		{
			// add to component urls
			foreach ($plugin->urls as &$url)
			{
				// should we add the local folder
				if (isset($url['type']) && $url['type'] > 1
					&& isset($url['url'])
					&& StringHelper::check($url['url']))
				{
					// set file name
					$fileName = basename((string)$url['url']);

					// get the file contents
					$data = FileHelper::getContent(
						$url['url']
					);

					// build sub path
					if (strpos($fileName, '.js') !== false)
					{
						$path = '/js';
					}
					elseif (strpos($fileName, '.css') !== false)
					{
						$path = '/css';
					}
					else
					{
						$path = '';
					}

					// create sub media folder path if not set
					$this->folder->create(
						$plugin->folder_path . $path
					);

					// set the path to plugin file
					$url['path'] = $plugin->folder_path . $path
						. '/' . $fileName; // we need this for later

					// write data to path
					$this->file->write($url['path'], $data);

					// count the file created
					$this->counter->file++;
				}
			}
		}
	}
}