'use strict';

SwaggerUi.Views.AuthButtonView = Backbone.View.extend({
    events: {
        'click .authorize__btn': 'authorizeBtnClick'
    },

    tpls: {
        popup: Handlebars.templates.popup,
        authBtn: Handlebars.templates.auth_button,
        authBtnOperation: Handlebars.templates.auth_button_operation
    },

    initialize: function(opts) {
        this.options = opts || {};
        this.options.data = this.options.data || {};
        this.isOperation = this.options.isOperation;
        this.model = this.model || {};
        this.router = this.options.router;
        this.auths = this.options.data.oauth2.concat(this.options.data.auths);
    },

    render: function () {
        var tplName = this.isOperation ? 'authBtnOperation' : 'authBtn';

        this.$authEl = this.renderAuths(this.auths);
        this.$el.html(this.tpls[tplName](this.model));

        return this;
    },

    authorizeBtnClick: function (e) {
        var authsModel;

        e.preventDefault();

        authsModel = {
            title: 'Available authorizations',
            content: this.$authEl
        };

        // The content of the popup is removed and all events unbound after clicking the 'Cancel' button of the popup.
        // We'll have to re-render the contents before creating a new popup view.
        this.render();

        this.popup = new SwaggerUi.Views.PopupView({model: authsModel});
        this.popup.render();
    },

    renderAuths: function (auths) {
        var $el = $('<div>');
        var isLogout = false;

        auths.forEach(function (auth) {
            var authView = new SwaggerUi.Views.AuthView({data: auth, router: this.router});
            var authEl = authView.render().el;
            $el.append(authEl);
            if (authView.isLogout) {
                isLogout = true;
            }
        }, this);

        this.model.isLogout = isLogout;

        return $el;
    }

});