<?php

namespace pedodev\tagging\acp;

use phpbb\request\request_interface;

class main_module
{
    	public $u_action, $tpl_name, $page_title;
    	private $config, $request, $template, $user, $language, $tag_helper;
    	private array $tag_list;
    	private string $tag_list_filepath;
    	private bool $tag_search_available;

    	public function main(string $id, string $mode): void
    	{
		global $phpbb_container;

		$this->config = $phpbb_container->get('config');
		$this->request = $phpbb_container->get('request');
		$this->template = $phpbb_container->get('template');
		$this->user = $phpbb_container->get('user');
		$this->language = $phpbb_container->get('language');
		$this->tag_helper = $phpbb_container->get('pedodev.tagging.tag_helper');

		$this->page_title = $this->language->lang('ACP_TAGGING_TITLE');
		$this->tpl_name = 'acp_tagging_body';
		$this->tag_list = $this->tag_helper->get_tag_list();
		$this->tag_search_available = ($this->config['search_type'] == '\phpbb\search\fulltext_native' or $this->config['search_type'] == '\phpbb\search\fulltext_mysql');

		$action = $this->request->variable('action', '', $super_global = request_interface::GET);
		
		switch($action)
		{
			case 'edit':
				$this->load_edit_page();
				break;
			case 'delete':
				$this->load_delete_page();
				break;
			case 'add':
				$this->load_add_page();
				break;
			default:
				$this->load_main_page();
				break;
		}
    	}

	private function get_tag_data(): array
	{
		return array(
                        'title'         => $this->request->variable('tagging_tagtitle', ''),
                        'color'         => ltrim($this->request->variable('tagging_tagcolor', ''), '#'),
                        'active'        => $this->request->variable('tagging_tagactive', false),
			'searchable'    => $this->request->variable('tagging_tagsearchable', false),
                );
	}

	private function load_edit_page(): void
    	{
    		$form_key = 'pedodev_tagging_edit_tag';
		add_form_key($form_key);
		
		$tag_id = $this->request->variable('tag', -1, request_interface::GET);
		
		if (!isset($this->tag_list[$tag_id]))
		{
			trigger_error($this->language->lang('ACP_TAGGING_INVALID_TAG') . adm_back_link($this->u_action));
		}
		
		if ($this->request->is_set_post('submit'))
        	{
            		$this->check_form_key($form_key);
            
			$tag_data = $this->get_tag_data();

                        if (!$this->tag_helper->validate_tag($tag_data))
                        {
                                trigger_error($this->language->lang('ACP_TAGGING_TAG_INVALID') . adm_back_link($this->u_action));
                        }

			$this->tag_list[$tag_id] = $tag_data;
			$this->tag_helper->update_tag_list($this->tag_list);

            		trigger_error($this->language->lang('ACP_TAGGING_TAG_EDITED', $tag_data['title']) . adm_back_link($this->u_action));
        	}

        	$tag = $this->tag_list[$tag_id];
    
		$this->template->assign_vars([
			'EDIT'			=> 1,
			'TAGGING_PAGE_TITLE'	=> $this->language->lang('ACP_TAGGING_SETTINGS_EDIT'),
			'EDIT_TAG_NAME'		=> $tag['title'],
			'TAG_COLOR'		=> $tag['color'],
			'TAG_ACTIVE'		=> $tag['active'],
			'TAG_SEARCHABLE'	=> $tag['searchable'],
		]);
    	}
    
    	private function load_add_page(): void
	{
		$form_key = 'pedodev_tagging_add_tag';
		add_form_key($form_key);
		
		if ($this->request->is_set_post('submit'))
        	{	
            		$this->check_form_key($form_key);
            
			$tag_data = $this->get_tag_data();

			if (!$this->tag_helper->validate_tag($tag_data))
			{
                                trigger_error($this->language->lang('ACP_TAGGING_TAG_INVALID') . adm_back_link($this->u_action));
        		}

			$this->tag_list[] = $tag_data;
			$this->tag_helper->update_tag_list($this->tag_list);
	
			trigger_error($this->language->lang('ACP_TAGGING_TAG_ADDED', $tag_data['title']) . adm_back_link($this->u_action));
        	}
        
        	$random_color = substr(md5(rand()), 0, 6);

		$this->template->assign_vars([
			'EDIT'			=> 1,
			'TAGGING_PAGE_TITLE'	=> $this->language->lang('ACP_TAGGING_SETTINGS_ADD'),
			'TAG_COLOR'		=> $random_color,
			'TAG_ACTIVE'		=> true,
			'TAG_SEARCHABLE'	=> true,
		]);
	}

	private function load_delete_page(): void
    	{
		$form_key = 'pedodev_tagging_delete_tag';
		add_form_key($form_key);
		
		$tag_id = $this->request->variable('tag', -1, request_interface::GET);

		if (!isset($this->tag_list[$tag_id]))
		{
			trigger_error($this->language->lang('ACP_TAGGING_INVALID_TAG') . adm_back_link($this->u_action));
		}
		
		$tag = $this->tag_list[$tag_id];
		
		if ($this->request->is_set_post('submit'))
        	{
            		$this->check_form_key($form_key);
            
            		unset($this->tag_list[$tag_id]);
			$this->tag_helper->update_tag_list($this->tag_list);

            		trigger_error($this->language->lang('ACP_TAGGING_TAG_DELETED', $tag['title']) . adm_back_link($this->u_action));
       	 	}
		
		$this->template->assign_vars([
			'DELETE'		=> 1,
			'TAGGING_PAGE_TITLE'	=> $this->language->lang('ACP_TAGGING_SETTINGS_DELETE'),
			'DELETE_CONFIRMATION'	=> $this->language->lang('ACP_TAGGING_DELETE_CONFIRMATION', $tag['title']),
		]);
	}

    	private function load_main_page(): void
    	{
    		$form_key = 'pedodev_tagging_main';
    		add_form_key($form_key);
        
    		$id = 0;
    	
		if ($this->request->is_set_post('submit'))
		{
			$this->check_form_key($form_key);
			$this->config->set('pedodev_tagging_tagthreads', $this->request->variable('tagging_tagthreads', false));
			$this->config->set('pedodev_tagging_tagposts', $this->request->variable('tagging_tagposts', false));
			$this->config->set('pedodev_tagging_maxtags', $this->request->variable('tagging_maxtags', 0));
			$this->config->set('pedodev_tagging_tagsearch', ($this->request->variable('tagging_tagsearch', false) and $this->tag_search_available));
			$this->config->set('pedodev_tagging_viewtopic', $this->request->variable('tagging_viewtopic', false));
			$this->config->set('pedodev_tagging_viewforum', $this->request->variable('tagging_viewforum', false));
			$this->config->set('pedodev_tagging_results', $this->request->variable('tagging_results', false));
			
			trigger_error($this->language->lang('ACP_TAGGING_SETTING_SAVED') . adm_back_link($this->u_action));
		}

		foreach ($this->tag_list as $id => $tag)
		{
			$id = (int)$id;

			$this->template->assign_block_vars('tag_list', [
				'TITLE' 	=> $tag['title'],
				'COLOR'		=> $tag['color'],
				'ACTIVE'	=> $tag['active'],
				'SEARCHABLE'	=> $tag['searchable'],
				'EDIT_LINK'	=> $this->u_action . "&amp;tag={$id}&amp;action=edit",
				'DELETE_LINK'	=> $this->u_action . "&amp;tag={$id}&amp;action=delete",
			]);
		}
	
		$this->template->assign_vars([
			'TAGGING_PAGE_TITLE'		=> $this->language->lang('ACP_TAGGING_SETTINGS'),
            		'U_ACTION'          		=> $this->u_action,
            		'TAGGING_ADD_TAG'		=> $this->u_action . "&amp;action=add",
            		'TAG_THREADS'			=> $this->config['pedodev_tagging_tagthreads'],
            		'TAG_POSTS'			=> $this->config['pedodev_tagging_tagposts'],
            		'MAX_TAGS'			=> (int)$this->config['pedodev_tagging_maxtags'],
            		'TAG_SEARCH'			=> $this->config['pedodev_tagging_tagsearch'],
            		'TAG_VIEWTOPIC'			=> $this->config['pedodev_tagging_viewtopic'],
            		'TAG_VIEWFORUM'			=> $this->config['pedodev_tagging_viewforum'],
            		'TAG_RESULTS'			=> $this->config['pedodev_tagging_results'],
	    		'TAG_SEARCH_UNAVAILABLE'	=> !$this->tag_search_available,
        	]);
    	}
    
    	private function check_form_key($form_key): void
    	{
		if (!check_form_key($form_key))
		{
			trigger_error('FORM_INVALID');
		}
    	}
}