<?php

namespace Wcms;

abstract class Model
{

	const CONFIG_FILE = 'config.json';
	const MAN_FILE = 'MANUAL.md';
	const CSS_DIR = 'assets' . DIRECTORY_SEPARATOR .'css' . DIRECTORY_SEPARATOR;
	const JS_DIR = 'assets' . DIRECTORY_SEPARATOR .'js' . DIRECTORY_SEPARATOR;
	const ICONS_DIR = 'assets' . DIRECTORY_SEPARATOR .'icons' . DIRECTORY_SEPARATOR;
	const FONT_DIR = 'fonts' . DIRECTORY_SEPARATOR;
	const MEDIA_DIR = 'media' . DIRECTORY_SEPARATOR;
	const FAVICON_DIR = self::MEDIA_DIR . 'favicon' . DIRECTORY_SEPARATOR;
	const THUMBNAIL_DIR = self::MEDIA_DIR . 'thumbnail' . DIRECTORY_SEPARATOR;
	const TEMPLATES_DIR = '.'. DIRECTORY_SEPARATOR . 'app' . DIRECTORY_SEPARATOR . 'view' . DIRECTORY_SEPARATOR . 'templates' . DIRECTORY_SEPARATOR;
	const RENDER_DIR = 'assets'. DIRECTORY_SEPARATOR . 'render' . DIRECTORY_SEPARATOR;
	const HTML_RENDER_DIR = 'render' . DIRECTORY_SEPARATOR;
	const GLOBAL_DIR = 'assets'. DIRECTORY_SEPARATOR . 'global' . DIRECTORY_SEPARATOR;
	const DATABASE_DIR = '.' . DIRECTORY_SEPARATOR . 'database' . DIRECTORY_SEPARATOR;
	const PAGES_DIR = self::DATABASE_DIR . 'pages' . DIRECTORY_SEPARATOR;
	
	const MEDIA_EXT = [
		'jpg' => 'image',
		'jpeg' => 'image',
		'png' => 'image',
		'gif' => 'image',
		'ico' => 'image',
		'tiff' => 'image',
		'bmp' => 'image',
		'mp3' => 'sound',
		'opus' => 'sound',
		'wav' => 'sound',
		'ogg' => 'sound',
		'flac' => 'sound',
		'aiff' => 'sound',
		'm4a' => 'sound',
		'mp4' => 'video',
		'mkv' => 'video',
		'avi' => 'video',
		'mov' => 'video',
		'wmv' => 'video',
		'm4v' => 'video',
		'zip' => 'archive',
		'7zip' => 'archive',
		'pdf' => 'document',
		'odt' => 'document',
		'doc' => 'document',
		'docx' => 'document',
		'woff' => 'font',
		'woff2' => 'font',
		'otf' => 'font',
		'ttf' => 'font',
		'js' => 'code',
		'html' => 'code',
		'css' => 'code',
		'php' => 'code',
		'' => 'other'
	];

	const COLUMNS = ['id', 'favicon', 'title', 'description', 'tag', 'date', 'datemodif', 'datecreation', 'secure', 'authors', 'linkto', 'visitcount', 'affcount', 'editcount'];

	const TEXT_ELEMENTS = ['header', 'nav', 'main', 'aside', 'footer'];

	const MAX_ID_LENGTH = 64;
	const PASSWORD_HASH = true;
	const PASSWORD_MIN_LENGTH = 4;
	const PASSWORD_MAX_LENGTH = 32;

	/** RENDER OPTIONS	 */
	// add class in html element indicating from witch page the content come.
	const RENDER_CLASS_ORIGIN = false;
	// render empty CONTENT element as empty html element, if set to false, render html comment
	const RENDER_EMPTY_ELEMENT = false; 


	/** CONFIG OPTIONS */
	const HOMEPAGE = ['default', 'search', 'redirect'];

	public static function dirtopath($dir)
	{
		$basepath = '';
		if(!empty(Config::basepath())) {
			$basepath = Config::basepath() . '/'  ;
		}
		$dir = str_replace('\\', '/', $dir);
		return '/' . $basepath . $dir;
	}

	public static function renderpath()
	{
		return self::dirtopath(Model::RENDER_DIR);
	}

	public static function globalpath()
	{
		return self::dirtopath(Model::GLOBAL_DIR);
	}

	public static function csspath() 
	{
		return self::dirtopath(Model::CSS_DIR);
	}

	public static function jspath() 
	{
		return self::dirtopath(Model::JS_DIR);
	}

	public static function mediapath()
	{
		return self::dirtopath(Model::MEDIA_DIR);
	}

	public static function faviconpath()
	{
		return self::dirtopath(Model::FAVICON_DIR);
	}

	public static function thumbnailpath()
	{
		return self::dirtopath(Model::THUMBNAIL_DIR);
	}

	public static function fontpath()
	{
		return self::dirtopath(Model::FONT_DIR);
	}

	public static function iconpath()
	{
		return self::dirtopath(Model::ICONS_DIR);
	}

	/**
	 * Check if dir exist. If not, create it
	 * 
	 * @param string $dir Directory to check
	 * 
	 * @return bool return true if the dir already exist or was created succesfullt. Otherwise return false
	 */
	public static function dircheck(string $dir) : bool
	{
		if (!is_dir($dir)) {
			return mkdir($dir);
		} else {
			return true;
		}
	}

	/**
	 * 
	 */
	public static function mediatypes()
	{
		return array_unique(array_values(self::MEDIA_EXT));
	}

}