/*\
title: $:/plugins/tiddlywiki/multiwikiserver/routes/handlers/manage-user.js
type: application/javascript
module-type: mws-route

GET /admin/users/:user_id

\*/
(function() {

	/*jslint node: true, browser: true */
	/*global $tw: false */
	"use strict";
	
	exports.method = "GET";
	
	exports.path = /^\/admin\/users\/([^\/]+)\/?$/;
	
	exports.handler = function(request,response,state) {
		var user_id = $tw.utils.decodeURIComponentSafe(state.params[0]);
		var userData = state.server.sqlTiddlerDatabase.getUser(user_id);
		
		if(!userData) {
			response.writeHead(404, "Not Found", {"Content-Type": "text/html"});
			var errorHtml = $tw.mws.store.adminWiki.renderTiddler("text/plain", "$:/plugins/tiddlywiki/multiwikiserver/templates/error", {
				variables: {
					"error-message": "User not found"
				}
			});
			response.write(errorHtml);
			response.end();
			return;
		}
		
		// Check if the user is trying to access their own profile or is an admin
		var hasPermission = ($tw.utils.parseInt(user_id, 10) === state.authenticatedUser.user_id) || state.authenticatedUser.isAdmin;
		if(!hasPermission) {
			response.writeHead(403, "Forbidden", { "Content-Type": "text/plain" });
			response.end("Forbidden");
			return;
		}

		// Convert dates to strings and ensure all necessary fields are present
		var user = {
			user_id: userData.user_id || "",
			username: userData.username || "",
			email: userData.email || "",
			created_at: userData.created_at ? new Date(userData.created_at).toISOString() : "",
			last_login: userData.last_login ? new Date(userData.last_login).toISOString() : ""
		};
	
		// Get all roles which the user has been assigned
		var userRole = state.server.sqlTiddlerDatabase.getUserRoles(user_id);
		var allRoles = state.server.sqlTiddlerDatabase.listRoles();

		// sort allRoles by placing the user's role at the top of the list
		allRoles.sort(function(a, b){ (a.role_id === userRole.role_id ? -1 : 1) });
		
		response.writeHead(200, "OK", {
			"Content-Type": "text/html"
		});
	
		// Render the html
		var html = $tw.mws.store.adminWiki.renderTiddler("text/plain", "$:/plugins/tiddlywiki/multiwikiserver/templates/page", {
			variables: {
				"page-content": "$:/plugins/tiddlywiki/multiwikiserver/templates/manage-user",
				"user": JSON.stringify(user),
				"user-initials": user.username.split(" ").map(name => name[0]).join(""),
				"user-role": JSON.stringify(userRole),
				"all-roles": JSON.stringify(allRoles),
				"is-current-user-profile": state.authenticatedUser && state.authenticatedUser.user_id === $tw.utils.parseInt(user_id, 10) ? "yes" : "no",
				"username": state.authenticatedUser ? state.authenticatedUser.username : "Guest",
				"user-is-admin": state.authenticatedUser && state.authenticatedUser.isAdmin ? "yes" : "no"		
			}
		});
		response.write(html);
		response.end();
	};
	
	}());