module.exports=exports;
var todo=require('./todo');
var {pullexposedtasks,randomtasks,edittitle,searchtasks,pullmirrorsuper,pullmirrortask,getjournal,decayranks,completetask,pulltasks,addtask,removetask,ranktasks,removetasks,addmany}=todo;
Object.keys(todo).forEach(k=>exports[k]=todo[k]);
var prompt=require('prompt-sync')();
var fs=require('fs');
var async=require('async');

function noop() {}

function exports(user) {
 var retr={};
 retr.exports=exports;
 retr.random=random;
 retr.rand=random;
 function random(count=5) {
  randomtasks(user,count,(err,res)=>{
   console.log();
   res.forEach(i=>console.log(i.id,i.title));
  });
 }
 retr.add=add;
 function add() {
  if(arguments.length==0) {
   var list=[];
   function ask() {
    var line=prompt(':');
    if(line) {
     list.push(line);
     ask();
    }
    else { //Add list
     addmany(user,list,console.log);
    }
    //if(line) addtask(user,line,ask);
   }
   return ask();
  }
  Array.prototype.forEach.bind(arguments)(item=>{
   if(typeof(item)==='string') addtask(user,item,noop);
   else { //Asuming list
    item.forEach(item=>addtask(user,item,noop));
   }
  });
 }
 retr.remove=remove;
 function remove() {
  Array.prototype.forEach.bind(arguments)(item=>{
   if(typeof(item)==='number') {
    if(item<=4) {
     var verify = prompt('Verify: Y/n');
     if(verify[0]=='n'||verify[0]=='N') return;
    }
    removetask(user,item,noop);
   }
   else { //Asuming list
    item.forEach(item=>removetask(user,item,noop));
   }
  });
 }
 function printtasks(tasks,stream) {
  pastpull=tasks;
  try {
   tasks.sort(()=>Math.random()-0.5);
   stream.write('\n');
   //console.log({tasks});
   tasks.forEach((t,i)=>{
    //console.log(t.id+':',i,t.title);
    stream.write(t.id+': '+i+' '+t.title+'\n');
   });
  }
  catch(e) {
   console.log({user,tasks});
   console.log(e);
  }
 }
 retr.pullexposed = pullexposed;
 function pullexposed(count=4,stream=process.stdout) {
  pullexposedtasks(user,count,(err,tasks)=>{
   if(err) return console.log(err,tasks);
   printtasks(tasks,stream);
  });
 }
 var pastpull=[];
 retr.pull=pull;
 retr.p = pull;
 function pull(count=4,stream=process.stdout) {
  pulltasks(user,count,(err,tasks)=>{
   if(err) return console.log(err,tasks);
   printtasks(tasks,stream);
  });
 }
 retr.r=r;
 var pulllog=fs.createWriteStream(__dirname+'/data/logs/pull.log',{flags:'a'});
 //function r() {
 // if(arguments.length===1 && typeof(arguments[0])==='string') {
 //  return retr.done(arguments[0]);
 // }
 // var expanded=[];
 // Array.prototype.forEach.bind(arguments)(item=>{
 //  if(typeof(item)==='number') expanded.push(item);
 //  else { //Asuming list
 //   expanded=expanded.concat(item);
 //  }
 // });
 // var toptitle = pastpull[expanded[0]].title;
 // expanded=expanded.map(i=>pastpull[i].id);
 // //console.log(expanded)
 // ranktasks(user,expanded,noop);
 // pulllog.write(toptitle+'\n');
 // pastrank=expanded;
 //}
 function r() {
  if (arguments.length === 1 && typeof(arguments[0]) === 'string') {
   return retr.done(arguments[0]);
  }
  var expanded = [];
  Array.prototype.forEach.call(arguments, item => {
   if (typeof(item) === 'number') {
    expanded.push([item]); // Wrap single numbers in an array
   } else if (Array.isArray(item)) {
    expanded.push(item); // Use array as is
   }
  });
  var toptitle = pastpull[expanded[0][0]].title; // Use the first element of the first array to get the title
  expanded = expanded.map(group => group.map(i => pastpull[i].id)); // Replace temp ids with longhand ids
  ranktasks(user, expanded, noop);
  pulllog.write(toptitle + '\n');
  pastrank = expanded.flat();
 }
 retr.addfromfile=addfromfile;
 function addfromfile(path='insert') {
  fs.readFile(path,(err,buff)=>{
   if(err) return console.log(err);  
   addmany(user,buff.toString().split('\n').filter(i=>i.length),console.log);
  });
 }
 retr.done=done;
 function done(taskid) {
  if(taskid<=4) {
   var verify = prompt('Verify: Y/n');
   if(verify[0]=='n'||verify[0]=='N') return;
  }
  completetask(user,taskid,err=>{
   if(err) return console.log(err);
   decayranks(user,1-5/300,noop);
   //if(typeof(taskid)=='number') setTimeout(pm,100);
  });
 }
 retr.d=d;
 function d() {
  done(pastrank[0]);
 }
 var pastrank=[];
 retr.rank=rank;
 //function rank() {
 // var expanded=[];
 // Array.prototype.forEach.bind(arguments)(item=>{
 //  if(typeof(item)==='number') expanded.push(item);
 //  else { //Asuming list
 //   expanded=expanded.concat(item);
 //  }
 // });
 // pastrank=expanded;
 // ranktasks(user,expanded,noop);
 //}
 function rank() {
  var expanded = [];
  if (arguments.length === 1 && Array.isArray(arguments[0])) {
   expanded = arguments[0]; // Treat single array argument as the complete taskGroups
  } else {
   // Treat each argument as an element to be passed to ranktasks
   Array.prototype.forEach.call(arguments, item => {
    if (typeof(item) === 'number') {
     expanded.push([item]); // Wrap single numbers in an array
    } else {
     expanded.push(item); // Already an array, use as is
    }
   });
  }
  pastrank = expanded.flat();
  ranktasks(user, expanded, noop);
 }
 retr.pullmirror=pullmirror;
 retr.pm=pullmirror;
 retr.pullmirrormonth=pullmirrormonth;
 retr.pullmirrorweek=pullmirrorweek;
 retr.pullmirrorday=pullmirrorday;
 function pullmirror() {
  //async.parallel([pullmirrormonth,pullmirrorweek,pullmirrorday],(err,res)=>{
  async.map([doublepullmirrormonth,pullmirrormonth,doublepullmirrorweek,pullmirrorweek,doublepullmirrorday,pullmirrorday],(func,cb)=>{
   func((err,res)=>{
    if(err == 'Journal missing - skiplimit reached') return cb();
    cb(err,res);
   });
  },(err,res)=>{
   if(err) return console.log(err);
   res=res.filter(r=>r);
   res.forEach(item=>{
    if(!item) return console.log('missing');
    console.log((new Date(item.time)).toLocaleString(),item.title,item.id||'');
   });
  });
 }
 function pullmirrorday(cb) {
  pullmirrortask(user,cb);
 }
 function doublepullmirrorday(cb) {
  getjournal(user,0,(err,journal)=>{
   if(err) return console.log(err);
   if(!journal.list) return cb();
   pullmirrorsuper(user,1,journal.list.length*2,5,cb);
  });
 }
 retr.lookback=lookback;
 function lookback(days) {
  getjournal(user,days,(err,journal)=>{
   if(err) return console.log(err);
   if(!journal.list) return console.log('Journal missing');
   journal.list.forEach(item=>{
    console.log((new Date(item.time)).toLocaleString(),item.title,item.id||'');
   });
  });
 }
 retr.pullmirrorweek=pullmirrorweek;
 function pullmirrorweek(cb) {
  var day=(new Date()).getDay()||7;
  var pending=day;
  var lookcount=0;
  for(var i=0;i<day;++i) {
   getjournal(user,i,(err,journal)=>{
    --pending;
    if(journal && journal.list) lookcount+=journal.list.length;
    if(!pending) {
     pullmirrorsuper(user,day,lookcount,5,cb);
    }
   });
  }
 }
 retr.doublepullmirrorweek=doublepullmirrorweek;
 function doublepullmirrorweek(cb) {
  var day=(new Date()).getDay()||7;
  var pending=day;
  var lookcount=0;
  for(var i=0;i<day;++i) {
   getjournal(user,i,(err,journal)=>{
    --pending;
    if(journal && journal.list) lookcount+=journal.list.length;
    if(!pending) {
     pullmirrorsuper(user,day,lookcount*2,5,cb);
    }
   });
  }
 }
 retr.pullmirrormonth=pullmirrormonth;
 function pullmirrormonth(cb) {
  var day=(new Date()).getDate()||30;
  var pending=day;
  var lookcount=0;
  for(var i=0;i<day;++i) {
   getjournal(user,i,(err,journal)=>{
    --pending;
    if(journal && journal.list) lookcount+=journal.list.length;
    if(!pending) {
     pullmirrorsuper(user,day,lookcount,15,cb);
    }
   });
  }
 }
 retr.doublepullmirrormonth=doublepullmirrormonth;
 function doublepullmirrormonth(cb) {
  var day=(new Date()).getDate()||30;
  var pending=day;
  var lookcount=0;
  for(var i=0;i<day;++i) {
   getjournal(user,i,(err,journal)=>{
    --pending;
    if(journal && journal.list) lookcount+=journal.list.length;
    if(!pending) {
     pullmirrorsuper(user,day,lookcount*2,15,cb);
    }
   });
  }
 }
 function lookup(ref) {
  if(!ref) return;
  if(typeof(ref)=='number') return lookupid(ref);
  else return lookupname(ref);
 }
 retr.search=search;
 function search(titlefrag) {
  var args=[];
  for(var i=0;arguments[i];++i) {
   args=args.concat(arguments[i]);
  }
  searchtasks(user,args,console.log);
 }
 retr.searchres=searchres;
 function searchres(titlefrag) {
  var args=[];
  for(var i=0;arguments[i];++i) {
   args=args.concat(arguments[i]);
  }
  return new Promise((resolve,reject)=>{
   searchtasks(user,args,(err,results)=>{
    if(err) return reject(err);
    resolve(results);
   });
  });
 }
 retr.edit = edit;
 function edit(id,title) {
  edittitle(user,id,title);
 }
 /*
 http.createServer((req,res)=>{
  if(req.url=='/pull') {
   res.writeHead(200,{'Content-type':'text/plain'});
   pulltasks(user,5,(err,tasks)=>{
    tasks.forEach((t,i)=>{
     //console.log(t.id+':',i,t.title);
     res.write(t.id+': '+i+' '+t.title+'\n');
    });
    res.end();
   });
  }
 }).listen(7000);
 */
 return retr;
}