package mentata.ldaphttp.gospel;

import mentata.ldaphttp.LDAPHttpObject;
import mentata.ldaphttp.LDAPHttpVirtualAttribute;
import mentata.ldaphttp.LDAPHttpException;
import mentata.gateway.GatewayObject;
import mentata.gateway.GatewayHRAttribute;
import mentata.gateway.GatewayStringAttribute;
import mentata.gateway.GatewayURLAttribute;
import mentata.gateway.GatewayDateAttribute;
import mentata.gateway.GatewayDnAttribute;
import mentata.gateway.GatewayReverseNestAttribute;

/**
* A directory entry that represents a Jesus weblog passage.
*/
public class comment extends GatewayObject {

	/**
	* Instantiates an empty template for a Jesus weblog passage or comment.
	*/
	public comment() 
		throws LDAPHttpException {

		// add the object class unique to these objects 
		addObjectclasses(new String[] {"notion", "expression"});

		// set default values for this object
		useServlets( new String[] {"retrieve", "create"} );
		useFormats( new String[] {"html", "ldif"} );
		setDirectoryLocation("ou=Comments, ou=Expressions, o=mentata.com", SUBTREE);
		setFilter("(businesscategory=jesus)");
		setLabel("Jesus Blog Comment");
		setSorting(new String[] {"dnqualifier"}, new boolean[] {false});
		setStylesheet("/styles/gospel.css");
		setFooter("http://localhost/includes/gospel_footer.htm");

		// make this an incremental object
		setIncremental("CJBA", "c=CJBAcounter, ou=Anonymous, ou=Comments, ou=Expressions, o=mentata.com", "description");

		// add the attributes for this object class
		addAttribute( new GatewayStringAttribute(), "uid", "UID", REQUIRED, SINGLEVALUE);
		addAttribute( new GatewayStringAttribute(), "cn", "Title", REQUIRED, SINGLEVALUE);
		addAttribute( new GatewayStringAttribute(), "description", "Taken", OPTIONAL, SINGLEVALUE);
		addAttribute( new GatewayStringAttribute(), "businesscategory", "", OPTIONAL, SINGLEVALUE);
		addAttribute( new GatewayStringAttribute(), "content", "", REQUIRED, SINGLEVALUE);
		addAttribute( new GatewayDateAttribute(), "dnqualifier", "Added", OPTIONAL, SINGLEVALUE);
		addAttribute( new GatewayURLAttribute(), "link", "See", OPTIONAL, SINGLEVALUE);
		addAttribute( new GatewayDnAttribute(getContextName(), "person"), "owner", "By", OPTIONAL, MULTIVALUE);
		addAttribute( new GatewayDnAttribute(getContextName(), "comment"), "parent", "In response to", OPTIONAL, SINGLEVALUE);
		addAttribute( new GatewayHRAttribute(), "commenthr", "Comments", OPTIONAL, SINGLEVALUE);
		addAttribute( new GatewayReverseNestAttribute(getContextName(), "comment", "parent", "child"), "child", "", OPTIONAL, MULTIVALUE);
		addAttribute( new CommentFormAttribute(), "commentform", "", OPTIONAL, SINGLEVALUE);

		// set basic attribute lists for this object class
		addAttributeList("identify", new String[] {"uid", "cn"} );
		addAttributeList("hyperlink", getAttributeList("identify") );

		// set attribute lists to support retrievability
		addAttributeList("retrieve_list", new String[] {"dnqualifier"} );
		addAttributeList("retrieve_html", new String[] 
			{"dnqualifier", "owner", "description", "parent", "content", "link", "commenthr", 
			"child", "commentform"} );
		addAttributeList("retrieve_ldif", new String[] 
			{"uid", "cn", "businesscategory", "dnqualifier", "parent", "description", 
			"link", "content"} );

		// set attribute lists to support creatability
		addAttributeList("create_initialize", new String[] {"description", "cn", "businesscategory",
			"content", "link", "parent"} );
	}

	/**
	* Infers and sets the timestamp and/or title.
	*/
	public void preCreate()
		throws LDAPHttpException {

		resetAttribute("dnqualifier", new String[] { getTimestamp() });
		if (getAttribute("cn").getValues() == null) 
			resetAttribute("cn", new String[] {"untitled"});
	}

	/**
	* An attribute for presenting a form for adding new comments. 
	*/
	public class CommentFormAttribute extends LDAPHttpVirtualAttribute {

		/**
		* Generates an HTML form for adding new comments.
		*/
		public String[] getHTMLValues()
			throws LDAPHttpException {

			// build a create form
			StringBuffer results_buffer = new StringBuffer();
			results_buffer.append("<form method=\"POST\" action=\"/ds/create/gospel/comment\">");
			results_buffer.append("<input type=\"hidden\" name=\"object_subtype\" value=\"Anonymous\">");
			results_buffer.append("<input type=\"hidden\" name=\"attr_description\" value=\"anonymously\">");
			results_buffer.append("<input type=\"hidden\" name=\"bind_uid\" value=\"annie\">");
			results_buffer.append("<input type=\"hidden\" name=\"bind_pwd\" value=\"nonnie\">");
			results_buffer.append("<input type=\"hidden\" name=\"attr_businesscategory\" value=\"jesus\">");
			results_buffer.append("<input type=\"hidden\" name=\"attr_parent\" value=\"" + getObject().getIdentifier() + "\">");
			results_buffer.append("<center><table cellspacing=\"3\">");
			results_buffer.append("<tr><td colspan=\"2\"><p><input type=\"submit\" value=\"Make a Comment\" name=\"submit\"> ");
			results_buffer.append("<small><small>my <a href=\"/privacy.htm\" target=\"_blank\">privacy?</a></small></small></p></td></tr>");
			results_buffer.append("<tr><td><b>Title</b></td><td><input type=\"text\" name=\"attr_cn\" size=\"60\"></td></tr>");
			results_buffer.append("<tr><td></td><td><textarea rows=\"8\" name=\"attr_content\" cols=\"60\"></textarea></td></tr>");
			results_buffer.append("<tr><td></td><td><hr></td></tr>");
			results_buffer.append("<tr><td valign=\"top\"><b>URL</b></td><td><input type=\"text\" name=\"attr_link\" size=\"60\">");
			results_buffer.append("<br> optional, like <b><i>http://www.gutenberg.net</i></b></td></tr>");
			results_buffer.append("</table></center></form>");

			// return the form as a single value
			return new String[] { results_buffer.toString() };
		}
	}
}