var fs = require("fs")
var id3r = require('id3js');
var id3 = require('id3-writer');

var forEach = require('async-foreach').forEach;




// just use this in the browser with the provided bundle
var sqlite3 = require('sqlite3').verbose();
var db = new sqlite3.Database('/Users/pg/code/tb/mydb.sqlite');

var create_db = function(){


}

var fix_tag = function(filename, tags){
    var writer = new id3.Writer();
    var file = new id3.File(filename);

    var mytitle= filename.split("/").pop().split("-")[1]
    console.log(mytitle)
    var meta = new id3.Meta({title: mytitle, artist:tags.artist.replace("\u0000",""), album: tags.album.replace("\u0000",""), year:'2015'})
    tags=meta
    writer.setFile(file).write(meta, function(err) {
        if (err)
            console.log("writer.setFile " + err )
        
    
    })


}


var process_files = function(files){
    var myfile = "./assets/emissions/unknown-ALLO-128kbps.mp3"
    var myjson = []
    db.serialize(function(){
        db.run("CREATE TABLE emissions (title TEXT, artist TEXT, album TEXT, genre TEXT, year TEXT , href TEXT)");
        db.run("BEGIN TRANSACTION");
            var stmt = db.prepare("INSERT INTO emissions ( title, artist, album, genre, year, href) VALUES ( ?, ?, ?, ?, ?, ? )");
            forEach(files, function(item, index, arr) {
                    id3r({ file: item, type: id3r.OPEN_LOCAL }, function(err, tags) {
                   
                    if (err)
                       console.log(err)
                    // if (tags.year===null){
                    //    fix_tag(item, tags)
                    //}
                    //
                    db.run("INSERT INTO emissions ( title, artist, album, genre, year, href) VALUES ( ?, ?, ?, ?, ?, ? )",
                        [tags.title, tags.artist, tags.album, "Emission", tags.v2['release-time'], "/audio_files/"+item]);
                        
                })
               
            },function (notAborted, arr){ 
                    console.log("");
                    db.run("END");})
    })
}

process.chdir("assets/audio_files")
fs.readdir('.', function (err, files){


    if (!err)
        process_files(files)
})