var readwritecache2 = require('../readwritecache2');
var fs=require('fs');
var _data = __dirname+'/data';
var sqlitedb = require('./sqlitedb');
var sqldb = sqlitedb;

//var {Client} = require('cassandra-driver');
//const cass = new Client({
// cloud: {secureConnectBundle:'secure-connect-todo.zip'},
// credentials: {
//  username:'jvonmitchell@gmail.com',
//  password:'6e9hDX8$$'
// },
//});
//
//async function startcass() {
// await cass.connect();
// cass.execute('use todo');
//}
//startcass();

module.exports.ranks=readwritecache2({
 default:{},
 writefreq:1000*30,
 readfreq:1000*60*5,
 delayclearonread:true,
 delaywriteonwrite:true,
 get:(key,cb)=>{
  console.log('Reading ranks for',key);
  sqlitedb.get("SELECT json FROM rank WHERE user=?",key,(err,json)=>{
   if(err) return cb(err);
   if(!json) return cb();
   try {
    cb(null,JSON.parse(json.json));
   }
   catch(e) {
    cb(e);
   }
  });
 },
 write:(key,obj,notindb,cb)=>{
  //console.log('Writing ranks for',key);
  if(notindb) return sqlitedb.run('INSERT INTO rank (user,json) VALUES (?,?)',key,JSON.stringify(obj),cb);
  sqlitedb.run('UPDATE rank SET json=? WHERE user=?',JSON.stringify(obj),key,cb);
 }
});

module.exports.journals=readwritecache2({
 default:{},
 get:(key,cb)=>{
  var user = key.split('.')[0];
  var date=key.split('.day.')[1].replace('.json','');
  //var date=key.toString();
  sqldb.get('Select json from day where user=? and day=?',user,date,(err,result)=>{
   if(err) return cb(err);
   if(result) return cb(null,JSON.parse(result.json));
   //cass.execute('Select json from day where user=? and day=?',[user,date]).then(result=>{
    //if(result && result.rows && result.rows.length) {
    // //console.log({result});
    // return cb(null,JSON.parse(result.rows[0].json));
    //}
    fs.readFile(_data+'/'+key+'.json',(err,buff)=>{
     if(err) return cb();
     try {
      cb(null,JSON.parse(buff));
     }
     catch(e) {
      console.log({key,buff:buff.toString(),err:e,cb});
      cb(e);
     }
    });
   //});
  });
 },
 write:(key,obj,notindb,cb)=>{
  var user = key.split('.')[0];
  var day = key.split('.day.')[1];
  var stringified=JSON.stringify(obj);
  //cass.execute('Insert into day (user,day,json) values (?,?,?)',[user,day,stringified]);
  fs.writeFile(_data+'/'+key+'.json',stringified,cb);
  if(notindb) {
   sqldb.run('INSERT into day (user,day,json) values (?,?,?)',user,day,stringified);
  }
  else {
   sqldb.run('UPDATE day SET json=? WHERE user=? AND day=?',stringified,user,day);
  }
 },
 writefreq:1000*30,
 readfreq:1000*60*5,
 delayclearonread:true,
 delaywriteonwrite:true
});