<?php
class Entry extends DbObject
{
	public function init()
	{
		$this->keyAssignedBy = parent::keyAssignedBy_dev;
	}
	
	public function getDateNameUrl()
	{
		$datePart = substr($this->published_date, 0, strpos($this->published_date, ' '));
		$datePart = str_replace('-', '/', $datePart);
		return $datePart . '/' . $this->name;
	}
	
	public function getBasePath()
	{
		$id = str_pad($this->id, 4, '0', STR_PAD_LEFT);
		return Config::get('app.blog.contentDir') . "/{$id}_{$this->name}";
	}
	
	public function getContentPath()
	{
		return $this->getBasePath() . '/content.md'; 
	}
	
	public function getCacheDir()
	{
		return app_dir . "/tmp/content/{$this->id}";
	}
	
	public function streamAsset($name)
	{
		$info = pathinfo($name);
		// if($info['extension'] == 'png')
		// 	header('Content-Type: image/png');
		readfile($this->getCacheDir() . '/' . $name);
	}
	
	public function getHeaders()
	{
		$pre = file($this->getContentPath());
		$headers = array();
		foreach($pre as $line)
		{
			$line = trim($line);
			if(!$line)
				break;
			
			$pos = strpos($line, ':');
			$key = strtolower(trim(substr($line, 0, $pos)));
			$value = trim(substr($line, $pos + 1));
			$headers[$key] = $value;
		}
		
		return $headers;
	}
	
	public function assignHeaders()
	{
		$headers = $this->getHeaders();
		echo_r($headers);
		if(isset($headers['publish-date']))
			$this->published_date = $headers['publish-date'];
		if(isset($headers['title']))
			$this->title = $headers['title'];
		if(isset($headers['link']))
			$this->link = $headers['link'];
		if(isset($headers['link-text']))
			$this->link_text = $headers['link-text'];
		echo_r($this);
	}
	
	public function getContent($cacheResults = false)
	{
		$pre = file($this->getContentPath());
		$headers = array();
		$inHeaders = true;
		$content = '';
		foreach($pre as $line)
		{
			if($inHeaders && !trim($line))
			{
				$inHeaders = false;
				continue;
			}
			
			if($inHeaders)
			{
				$pos = strpos($line, ':');
				$key = strtolower(trim(substr($line, 0, $pos)));
				$value = trim(substr($line, $pos + 1));
				$headers[$key] = $value;
			}
			else
				$content .= $line;
		}
		
		if($cacheResults)
		{
			$cacheDir = $this->getCacheDir();
			if(!is_dir($cacheDir))
				mkdir($cacheDir, 0770, true);
		}
		
		if(isset($headers['filters']))
		{
			include_once app_dir . '/domain/filters/ContentFilter.php';
			$filterList = explode(',', $headers['filters']);
			foreach($filterList as $filterName)
			{
				$filterName = trim($filterName);
				include_once app_dir . "/domain/filters/$filterName.php";
				$className = ucfirst($filterName) . 'Filter';
				$filter = new $className();
				$filter->assetBaseUrl = 'index.php/asset/' . $this->id;
				
				$filter->assetSrcDir = $this->getBasePath();
				if($cacheResults)
				{
					$filter->assetCacheDir = $cacheDir;
				}
				$content = $filter->filter($content, $cacheResults);
			}
		}
		
		if($cacheResults)
		{
			$filename = "$cacheDir/{$this->name}.html";
			file_put_contents($filename, $this->getContent());
		}
		
		return $content;
	}
	
	public function cacheContent()
	{
		$this->getContent(true);
	}
}