"use strict";

var LocalModel = require("./localModel");
var File = require("./file/file");

var Address = require("../wType/address");

var ImageById = LocalModel.inherit({
    className: "ImageById",
    constructor: function(properties, id) {
        LocalModel.fn.constructor.call(this, properties);
        
        this._imageId = id;
        this._fileCtrl = new File(new Address(["images", this._imageId.toString()]));
        this._need = 0;
        
        this._fileCtrl.on("data", this._onControllerData, this);
        
        this.addForeignController("Corax", this._fileCtrl);
    },
    dontNeedData: function() {
        --this._need;
        if (this._need === 0) {
            this._fileCtrl.dontNeedData();
        }
    },
    getMimeType: function () {
        return this._fileCtrl.getMimeType();
    },
    hasData: function() {
        return this._fileCtrl.hasData();
    },
    needData: function() {
        if (this._need === 0) {
            this._fileCtrl.needData();
        }
        ++this._need;
    },
    _onControllerData: function() {
        this.data = this._fileCtrl.data;
        
        this.trigger("data");
    }
});

module.exports = ImageById;