var Sandbox = require("./lib/sandbox"); 
var FeelingLucky = require("./lib/feelinglucky"); 
function parse_regex_literal(text){ 
var regexparsed = text.match(/s\/((?:[^\\\/]|\\.)*)\/((?:[^\\\/]|\\.)*)\/([gi]*)$/); 
if (!regexparsed) { 
throw new SyntaxError("Syntax is `s/expression/replacetext/gi`.")
} 
var regex = new RegExp(regexparsed[1], regexparsed[3]); 
return [regex, _AN_Call_replace("replace", regexparsed[2], /\\\//g, '/')] ; 
} 
function factoidFindHelper(bot, context, text, suppressSearch){ 
try { 
var results, factoid = bot.factoids.find(text, true ); 
if (results = factoid.match(bot.executeRegex)) { 
context.channel.send_reply(context.channel, results[0] + " @" + context.intent.name, { 
color: true }
); 
Shared.execute_js.apply(bot, [context, factoid] .concat(results.slice(1))); 
} 
 else { 
context.channel.send_reply(context.intent, factoid, { 
color: true }
); 
} 
} 
catch (e) { 
if (!suppressSearch) { 
var reply = ["Could not find `" + text + "`."] , found = bot.factoids.search(text); 
found = found.map(function (item){ 
return "\x033" + item + "\x0F"; 
} 
); 
if (found.length) { 
reply = ["Found:"] ; 
if (_AN_Read_length("length", found) > 1) { 
found[_AN_Read_length("length", found) - 1] = "and " + found[_AN_Read_length("length", found) - 1]; 
} 
reply.push(found.join(_AN_Read_length("length", found) - 2? ", ": " ")); 
} 
context.channel.send_reply(context.intent, reply.join(" "), { 
color: true }
); 
} 
} 
} 
var Shared = module.exports = { 
google: function (context, text){ 
FeelingLucky(text + " -site:w3schools.com", function (data){ 
if (data) { 
context.channel.send_reply(context.intent, "\x02" + data.title + "\x0F \x032< " + _AN_Read_url("url", data) + " >\x0F", { 
color: true }
); 
} 
 else { 
context.channel.send_reply(context.sender, "No search results found."); 
} 
} 
); 
} 
,
execute_js: function (context, text, command, code){ 
var engine, person = context.sender; 
if (!context.priv) { 
if (command === "v8>" && context.channel.userlist.v8bot) { 
return ; 
} 
if (command === "js>" && context.channel.userlist.gbot2) { 
return ; 
} 
} 
switch (command){ 
case "|>": person.js = person.js || { 
timeout: null ,
code: [] }
; 
clearTimeout(person.js.timeout); 
person.js.timeout = _AN_Call_settimeout("setTimeout", window, function (){ 
person.js.code.length = 0; 
context.channel.send_reply(context.sender, "Your `|>` line input has been cleared. (1 minute)"); 
} 
, 1000 * 60); 
person.js.code.push(code); 
return ; 
case "h>": case "hs>": engine = Sandbox.Haskell; 
break ; 
case ">>>": case "v>": case "v8>": engine = Sandbox.V8; 
break ; 
default : { 
engine = Sandbox.SpiderMonkey; 
break ; 
} 
} 
if (person.js && _AN_Read_length("length", person.js.code)) { 
code = person.js.code.join("\n") + "\n" + code; 
person.js.code.length = 0; 
clearTimeout(person.js.timeout); 
} 
this.sandbox.run(engine, 4000, code, function (result){ 
var reply; 
try { 
if (result.error !== null ) { 
reply = result.error; 
} 
 else { 
if (result.data.type !== "undefined") { 
reply = (result.data.obvioustype? "": "(" + result.data.type + ") ") + result.result; 
} 
 else { 
reply = "undefined"; 
} 
} 
if (Array.isArray(result.data.console) && _AN_Read_length("length", result.data.console)) { 
reply += "; Console: " + result.data.console.join(", "); 
} 
context.channel.send_reply(context.intent, reply, { 
truncate: true }
); 
} 
catch (e) { 
context.channel.send_reply(context.intent, "Unforeseen Error: " + e.name + ": " + e.message); 
} 
} 
, this); 
} 
,
learn: function (context, text){ 
try { 
var parsed = text.match(/^(alias)?\s*("[^"]*"|.+?)\s*(=~?)\s*(.+)$/i); 
if (!parsed) { 
throw new SyntaxError("Syntax is `learn ( [alias] foo = bar | foo =~ s/expression/replace/gi )`.")
} 
var alias = !!parsed[1]; 
var factoid = parsed[2]; 
var operation = parsed[3]; 
var value = parsed[4]; 
if (factoid.charAt(0) === '"') { 
factoid = JSON.parse(factoid); 
} 
if (alias) { 
var key = this.factoids.alias(factoid, value, context.sender.name); 
context.channel.send_reply(context.sender, "Learned `" + factoid + "` => `" + key + "`."); 
return ; 
} 
if (operation === "=") { 
this.factoids.learn(factoid, value, context.sender.name); 
context.channel.send_reply(context.sender, "Learned `" + factoid + "`."); 
return ; 
} 
 else if (operation === "=~") { 
var regexinfo = parse_regex_literal(value); 
var regex = regexinfo[0]; 
var old = this.factoids.find(factoid, false ); 
var result = _AN_Call_replace("replace", old, regex, regexinfo[1]); 
if (old === result) { 
context.channel.send_reply(context.sender, "Nothing changed."); 
} 
 else { 
this.factoids.learn(factoid, result, context.sender.name, value); 
context.channel.send_reply(context.sender, "Changed `" + factoid + "` to: " + result); 
} 
return ; 
} 
} 
catch (e) { 
context.channel.send_reply(context.sender, e); 
} 
} 
,
forget: function (context, text){ 
try { 
this.factoids.forget(text, context.sender.name); 
context.channel.send_reply(context.sender, "Forgot '" + text + "'."); 
} 
catch (e) { 
context.channel.send_reply(context.sender, e); 
} 
} 
,
commands: function (context, text){ 
var commands = this.get_commands(); 
var trigger = this.__trigger; 
context.channel.send_reply(context.intent, "Valid commands are: " + trigger + commands.join(", " + trigger)); 
} 
,
find: function (context, text){ 
factoidFindHelper(this, context, text); 
} 
,
findPlus: function (context, text, suppressSearch){ 
factoidFindHelper(this, context, text, suppressSearch); 
} 
,
topic: function (context, text){ 
try { 
if (text) { 
if (text === "revert") { 
var oldtopic = context.channel.oldtopic; 
if (oldtopic) { 
set_topic(oldtopic); 
return ; 
} 
 else { 
throw new Error("No topic to revert to.")
} 
} 
try { 
var template = this.factoids.find("topic", true ); 
var data = JSON.parse(text); 
template = _AN_Call_replace("replace", template, /{([a-z]+)}/g, function (match, name){ 
return data.hasOwnProperty(name)? data[name]: ""; 
} 
); 
set_topic(template); 
} 
catch (e) { 
var regexinfo = parse_regex_literal(text); 
var regex = regexinfo[0]; 
var topic = _AN_Call_replace("replace", context.channel.topic, regex, regexinfo[1]); 
if (topic === context.channel.topic) throw new Error("Nothing changed.")
set_topic(_AN_Call_replace("replace", topic, /\n/g, ' ')); 
} 
} 
 else { 
context.channel.send_reply(context.intent, context.channel.topic); 
} 
} 
catch (e) { 
context.channel.send_reply(context.sender, e); 
} 
function set_topic(topic){ 
context.channel.oldtopic = context.channel.topic; 
_AN_Call_send('send', context.client.get_user("ChanServ"), "TOPIC " + context.channel.name + " " + topic); 
} 
} 
,
reauthenticate: function (context, text){ 
context.client.authenticate(); 
} 
}
;