(function (OC, window, $, undefined) {
  'use strict';
$(document).ready(function () {

var translations = {
  //newNote: $('#new-note-string').text()
  months: ["Jan", "Feb", "Mar", "Apr", "Mai", "Jun", "Jul", "Aug", "Sep", "Okt", "Nov", "Dez"]
};

// this transactions holds all our transactions
var Transactions = function (baseUrl) {
  this._baseUrl = baseUrl;
  this._transactions = [];
};

Transactions.prototype = {
  delete: function (id) {
    var deferred = $.Deferred();
    $.ajax({
      url: this._baseUrl + '/' + id,
      method: 'DELETE'
    }).done(function () {
      deferred.resolve();
    }).fail(function () {
      deferred.reject();
    });
    return deferred.promise();
  },
  create: function (transactions) {
    var deferred = $.Deferred();
    var self = this;
    $.ajax({
      url: this._baseUrl,
      method: 'POST',
      contentType: 'application/json',
      data: JSON.stringify(transactions)
    }).done(function (transactions) {
      self._transactions.push(transactions);
      deferred.resolve();
    }).fail(function () {
      deferred.reject();
    });
    return deferred.promise();
  },
  update: function (id, name) {
    var transactions = {
      id: id,
      name: name
    }

    return $.ajax({
      url: this._baseUrl + '/' + transactions.id,
      method: 'PUT',
      contentType: 'application/json',
      data: JSON.stringify(transactions)
    });
  },
  getTransactions(accountid) {
    if (!Array.isArray(this._transactions))
      return [];
    return this._transactions.filter(function(t) {
      return t.accountFrom === accountid || t.accountTo === accountid;
    });
  },
  loadAll: function () {
    var deferred = $.Deferred();
    var self = this;
    $.get(this._baseUrl).done(function (transactions) {
      self._transactions = transactions;
      deferred.resolve();
    }).fail(function () {
      deferred.reject();
    });
    return deferred.promise();
  },
};

// this accounts object holds all our accounts
var Accounts = function (baseUrl) {
  this._baseUrl = baseUrl;
  this._accounts = [];
  var d = new Date();
  var sy = d.getYear();
  var sm = d.getMonth();
  this._months = [];
  for (var i=0; i<12; i++)
    this._months.push({year: sy+1900+Math.floor((sm+i)/12), month: (sm+i)%12});
};

Accounts.prototype = {
  delete: function (id) {
    var deferred = $.Deferred();
    $.ajax({
      url: this._baseUrl + '/' + id,
      method: 'DELETE'
    }).done(function () {
      deferred.resolve();
    }).fail(function () {
      deferred.reject();
    });
    return deferred.promise();
  },
  create: function (account) {
    var deferred = $.Deferred();
    var self = this;
    $.ajax({
      url: this._baseUrl,
      method: 'POST',
      contentType: 'application/json',
      data: JSON.stringify(account)
    }).done(function (account) {
      self._accounts.push(account);
      deferred.resolve();
    }).fail(function () {
      deferred.reject();
    });
    return deferred.promise();
  },
  update: function (id, name) {
    var account = {
      id: id,
      name: name
    }

    return $.ajax({
      url: this._baseUrl + '/' + account.id,
      method: 'PUT',
      contentType: 'application/json',
      data: JSON.stringify(account)
    });
  },
  getAccounts: function () {
      return this._accounts;
  },
  getMonths: function () {
    return this._months;
  },
  loadAll: function () {
    var deferred = $.Deferred();
    var self = this;
    $.get(this._baseUrl).done(function (accounts) {
      self._accounts = accounts;
      deferred.resolve();
    }).fail(function () {
      deferred.reject();
    });
    return deferred.promise();
  },
};

// this will be the view that is used to update the html
var View = function (accounts, transactions) {
  this._accounts = accounts;
  this._transactions = transactions;
};

View.prototype = {
  createTransactionRow: function (css, account, transaction, month_tds) {
    var tds = month_tds.replace(/###ACCOUNT###/g, account).replace(/###TRANS###/g, transaction)
    var row = document.createElement("tr");
    row.innerHTML = "<th class='"+css+"'>"+transaction+"</th>"+tds;
    return row;
  },
  renderOverview: function () {
    var html = "";
    $('#accounts').find("tr").remove();
    var cols = this._accounts.getMonths().length+1;
    
    var row = document.createElement("tr");
    row.innerHTML = "<th>Monat</th>";
    var month_tds = "";
    var colodd = true;
    for (var mnr in this._accounts.getMonths()) {
      var month = this._accounts.getMonths()[mnr].month;
      var year = this._accounts.getMonths()[mnr].year
      row.innerHTML+= "<th class='month"+month+" "+(colodd ? "col_odd" : "col_even")+"'>"+translations.months[month]+" "+year+"</th>";
      month_tds+= "<td id='###ACCOUNT###.###TRANS###."+year+"."+month+"' class='month"+month+" "+(colodd ? "col_odd" : "col_even")+"'></td>";

      colodd = !colodd;
    }
    $("#accounts")[0].appendChild(row);
    
    for (var a in this._accounts.getAccounts()) {
      row = document.createElement("tr");
      row.innerHTML = "<th></th><th class='account_title' colspan='"+(cols-1)+"'>"+this._accounts.getAccounts()[a].name+"</th>";
      $("#accounts")[0].appendChild(row);
      
      $("#accounts")[0].appendChild(this.createTransactionRow("account_start", this._accounts.getAccounts()[a].name, "Beginn", month_tds));
      
      var transactions = this._transactions.getTransactions(this._accounts.getAccounts()[a].id);
      for (var t in transactions) {
        
      }
      $("#accounts")[0].appendChild(this.createTransactionRow("account_end", this._accounts.getAccounts()[a].name, "Ende", month_tds));
    }
    
    
    
    

    // create a new note
    /*var self = this;
    $('#new-note').click(function () {
      var note = {
        title: translations.newNote,
        content: ''
      };

      self._notes.create(note).done(function() {
        self.render();
        $('#editor textarea').focus();
      }).fail(function () {
        alert('Could not create note');
      });
    });*/

    // show app menu
    /*$('#app-navigation .app-navigation-entry-utils-menu-button').click(function () {
      var entry = $(this).closest('.note');
      entry.find('.app-navigation-entry-menu').toggleClass('open');
    });*/

    // delete a note
    /*$('#app-navigation .note .delete').click(function () {
      var entry = $(this).closest('.note');
      entry.find('.app-navigation-entry-menu').removeClass('open');

      self._notes.removeActive().done(function () {
        self.render();
      }).fail(function () {
        alert('Could not delete note, not found');
      });
    });*/

    // load a note
    /*$('#app-navigation .note > a').click(function () {
      var id = parseInt($(this).parent().data('id'), 10);
      self._notes.load(id);
      self.render();
      $('#editor textarea').focus();
    });*/
  },
  render: function () {
    this.renderOverview();
  }
};

var accounts = new Accounts(OC.generateUrl('/apps/moneyplanner/accounts'));
var transactions = new Transactions(OC.generateUrl('/apps/moneyplanner/transactions'));
var view = new View(accounts, transactions);
accounts.loadAll().done(function () {
    view.render();
}).fail(function () {
    alert('Could not load accounts');
});

}); /// document.ready()
})(OC, window, jQuery); //IIFE Scope