#!/usr/bin/env node
var async = require('async');
var UrlResolver = require('urlresolver');
var p = new UrlResolver();
var user = 'me';
exports.p = p;

var todo=require('./todo');
var {pulltasks,addtask,removetask,ranktasks,removetasks}=todo;
Object.keys(todo).forEach(k=>exports[k]=todo[k]);

exports.de=de;
function de(res,err,code) {
 res.writeHead(code||400,{"Content-Type":'text/plain'});
 res.end(err.toString());
}

exports.simpcb=simpcb;
function simpcb(res) {
 return (err,data)=>{
  if(err) return de(res,err);
  if(data) return res.end(data.toString());
  res.end('success');
 };
}


p.add('/pull',(req,res)=>{
 pulltasks(user,5,(err,tasks)=>{
  if(err) return cb(err);
  res.writeHead(200,{"Content-Type":'text/plain'});
  res.end(tasks.map((i,ind)=>`${i.id}: ${ind} ${i.title}`).join('\n'));
 });
});


p.add('/api/pull',(req,res)=>{
 //Replace with req.user
 pulltasks(user,5,(err,tasks)=>{
  if(err) return cb(err);
  res.writeHead(200,{"Content-Type":'application/json'});
  res.end(JSON.stringify(tasks));
 });
});


p.add('/add/task/',(req,res)=>{
 addtask(req.user,req.post.string,simpcb(res));
});


p.add('/remove/task',(req,res)=>{
 var taskid=parseInt(req.post.string);
 if(isNaN(taskid)) return de(res,"Not a number");
 removetask(req.user,taskid,simpcb(res));
});


p.add('/rank/tasks',(req,res)=>{
 var tasks=req.post.string.split(',').map(i=>parseInt(i)).filter(i=>!isNaN(i));
 ranktasks(req.user,tasks,simpcb(res));
});


p.add('/rank/and/remove/tasks',(req,res)=>{
 var [rank,remove]=req.post.string.split('|').map(list=>list.split(',').map(i=>parseInt(i)).filter(i=>!isNaN(i)));
 async.parallel([
  cb=>ranktasks(req.user,rank,cb),
  cb=>removetasks(req.user,remove,cb)
 ],simpcb(res));
});

function exports(req,res) {
 p.get(req.url)(req,res);
}

require('http').createServer(exports).listen(8092);