/*  Authors:
 *    Endi S. Dewata <edewata@redhat.com>
 *
 * Copyright (C) 2010 Red Hat
 * see file 'COPYING' for use and warranty information
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

define([
        './ipa',
        './jquery',
        './phases',
        './reg',
        './text',
        './details',
        './search',
        './add',
        './facet',
        './entity',
        './field',
        './widget'],
            function(IPA, $, phases, reg, text) {

var exp = IPA.entitle = {};

IPA.entitle.unregistered = 'unregistered';
IPA.entitle.online = 'online';
IPA.entitle.offline = 'offline';


var make_spec = function() {
return {
    name: 'entitle',
    facet_groups: [ 'account', 'certificates' ],
    facets: [
        {
            $type: 'details',
            $factory: IPA.entitle.details_facet,
            label: '@i18n:objects.entitle.account',
            facet_group: 'account',
            sections: [
                {
                    name: 'general',
                    label: '@i18n:details.general',
                    fields: [
                        {
                            name: 'uuid',
                            label: '@mc-opt:entitle_register:ipaentitlementid:label',
                            read_only: true
                        },
                        {
                            $factory: IPA.entitle.download_widget,
                            name: 'certificate',
                            label: '@i18n:objects.entitle.certificate'
                        }
                    ]
                },
                {
                    name: 'status',
                    label: '@i18n:objects.entitle.status',
                    fields: [
                        {
                            name: 'product',
                            label: '@i18n:objects.entitle.product',
                            read_only: true
                        },
                        {
                            name: 'quantity',
                            label: '@mc-arg:entitle_consume:quantity:label',
                            read_only: true
                        },
                        {
                            name: 'consumed',
                            label: '@i18n:objects.entitle.consumed',
                            read_only: true
                        }
                    ]
                }
            ]
        },
        {
            $factory: IPA.entitle.certificates_facet,
            name: 'certificates',
            label: '@i18n:objects.entitle.certificates',
            facet_group: 'certificates',
            columns: [
                {
                    name: 'product',
                    label: '@i18n:objects.entitle.product'
                },
                {
                    name: 'quantity',
                    label: '@mc-arg:entitle_consume:quantity:label'
                },
                {
                    name: 'start',
                    label: '@i18n:objects.entitle.start'
                },
                {
                    name: 'end',
                    label: '@i18n:objects.entitle.end'
                },
                {
                    $factory: IPA.entitle.certificate_column,
                    name: 'certificate',
                    label: '@i18n:objects.entitle.certificate'
                }
            ]
        }
    ],
    standard_association_facets: true,
    dialogs: [
        {
            $factory: IPA.entitle.register_online_dialog,
            name: 'online_registration',
            title: '@i18n:objects.entitle.registration',
            fields: [
                {
                    name: 'username',
                    label: '@mc-arg:entitle_register:username:label'
                },
                {
                    name: 'password',
                    label: '@mc-opt:entitle_register:password:label',
                    $type: 'password'
                }
/* currently not supported
                , {
                    name: 'ipaentitlementid',
                    label: '@mc-opt:entitle_register:ipaentitlementid:label'
                }
*/
            ]
        },
        {
            $factory: IPA.entitle.register_offline_dialog,
            name: 'offline_registration',
            title: '@i18n:objects.entitle.import_certificate',
            message: '@i18n:objects.entitle.import_message',
            fields: [
                {
                    name: 'certificate',
                    label: '@i18n:objects.entitle.certificate'
                }
            ]
        },
        {
            $factory: IPA.entitle.consume_dialog,
            name: 'consume',
            title: '@i18n:objects.entitle.consume_entitlement',
            fields: [
                {
                    name: 'quantity',
                    label: '@mc-arg:entitle_consume:quantity:label',
                    metadata: '@mc-arg:entitle_consume:quantity'
                }
            ]
        },
        {
            $factory: IPA.entitle.import_dialog,
            name: 'import',
            title: '@i18n:objects.entitle.import_certificate',
            message: '@i18n:objects.entitle.import_message',
            fields: [
                {
                    name: 'certificate',
                    label: '@i18n:objects.entitle.certificate'
                }
            ]
        }
    ]
};};

IPA.entitle.entity = function(spec) {

    spec = spec || {};

    var that = IPA.entity(spec);

    that.status = spec.status || IPA.entitle.unregistered;

    that.get_accounts = function(on_success, on_error) {

        var command = IPA.command({
            name: 'entitle_find_'+that.status,
            entity: 'entitle',
            method: 'find',
            options: { all: true },
            on_success: on_success,
            on_error: on_error
        });

        command.execute();
    };

    that.get_status = function(on_success, on_error) {

        var command = IPA.command({
            name: 'entitle_status_'+that.status,
            entity: 'entitle',
            method: 'status',
            on_success: function(data, text_status, xhr) {
                if (data.result.result.uuid == 'IMPORTED') {
                    that.status = IPA.entitle.offline;
                } else {
                    that.status = IPA.entitle.online;
                }

                if (on_success) {
                    on_success.call(this, data, text_status, xhr);
                }
            },
            on_error: function(xhr, text_status, error_thrown) {
                that.status = IPA.entitle.unregistered;

                if (on_error) {
                    on_error.call(this, xhr, text_status, error_thrown);
                }
            },
            retry: false
        });

        command.execute();
    };

    that.get_certificates = function(on_success, on_error) {

        var command = IPA.command({
            entity: 'entitle',
            method: 'get',
            on_success: on_success,
            on_error: on_error,
            retry: false
        });

        command.execute();
    };

    that.register_online = function(username, password, ipaentitlementid, on_success, on_error) {

        var command = IPA.command({
            entity: 'entitle',
            method: 'register',
            args: [ username ],
            options: {
                password: password
            },
            on_success: function(data, text_status, xhr) {
                that.status = IPA.entitle.online;
                if (on_success) {
                    on_success.call(this, data, text_status, xhr);
                }
            },
            on_error: on_error
        });

        if (ipaentitlementid) {
            command.set_option('ipaentitlementid', ipaentitlementid);
        }

        command.execute();
    };

    that.register_offline = function(certificate, on_success, on_error) {

        var command = IPA.command({
            entity: 'entitle',
            method: 'import',
            args: [ certificate ],
            on_success: function(data, text_status, xhr) {
                that.status = IPA.entitle.offline;
                if (on_success) {
                    on_success.call(this, data, text_status, xhr);
                }
            },
            on_error: on_error
        });

        command.execute();
    };

    that.consume = function(quantity, on_success, on_error) {

        var command = IPA.command({
            entity: 'entitle',
            method: 'consume',
            args: [ quantity ],
            on_success: on_success,
            on_error: on_error
        });

        command.execute();
    };

    that.import_certificate = function(certificate, on_success, on_error) {

        var command = IPA.command({
            entity: 'entitle',
            method: 'import',
            args: [ certificate ],
            on_success: function(data, text_status, xhr) {
                that.status = IPA.entitle.offline;
                if (on_success) {
                    on_success.call(this, data, text_status, xhr);
                }
            },
            on_error: on_error
        });

        command.execute();
    };

    return that;
};

IPA.entitle.details_facet = function(spec) {

    spec = spec || {};
    spec.disable_breadcrumb = true;

    var that = IPA.details_facet(spec);

    that.create_controls = function() {

        that.register_buttons = $('<span/>', {
            name: 'register_buttons'
        }).appendTo(that.controls);

        that.register_online_button = IPA.action_button({
            name: 'register',
            label: '@i18n:objects.entitle.register',
            icon: 'register-icon',
            click: function() {
                var dialog = that.entity.get_dialog('online_registration');
                dialog.open(that.container);
                return false;
            }
        }).appendTo(that.register_buttons);

        that.register_online_button.css('display', 'none');
/*
        that.register_offline_button = IPA.action_button({
            name: 'import',
            label: '@i18n:objects.entitle.import',
            icon: 'import-icon',
            click: function() {
                var dialog = that.entity.get_dialog('offline_registration');
                dialog.open(that.container);
                return false;
            }
        }).appendTo(that.register_buttons);

        that.register_offline_button.css('display', 'none');
*/
    };

    that.refresh = function() {

        var summary = $('span[name=summary]', that.container).empty();
        summary.append(text.get('@i18n:objects.entitle.loading'));

        function on_success(data, text_status, xhr) {
            if (that.entity.status == IPA.entitle.unregistered) {
                that.register_online_button.css('display', 'inline');
                // that.register_offline_button.css('display', 'inline');

            } else {
                that.register_online_button.css('display', 'none');
                // that.register_offline_button.css('display', 'none');
            }

            that.load(data);

            summary.empty();
        }

        function on_error(xhr, text_status, error_thrown) {

            that.register_online_button.css('display', 'inline');
            // that.register_offline_button.css('display', 'inline');

            var data = {};
            data.result = {};
            data.result.result = {
                uuid: '',
                product: '',
                quantity: 0,
                consumed: 0
            };
            that.load(data);

            summary.empty();
            summary.append(error_thrown.name+': '+error_thrown.message);
        }

        that.entity.get_status(
            on_success,
            on_error);
    };

    return that;
};

IPA.entitle.certificates_facet = function(spec) {

    spec = spec || {};
    spec.disable_facet_tabs = false;
    spec.selectable = false;

    var that = IPA.table_facet(spec);

    var init = function() {
        that.init_table(that.entity);
    };

    that.create_header = function(container) {

        that.facet_create_header(container);

        that.consume_buttons = $('<span/>', {
            name: 'consume_buttons'
        }).appendTo(that.controls);

        that.consume_button = IPA.action_button({
            name: 'consume',
            label: '@i18n:objects.entitle.consume',
            icon: 'consume-icon',
            click: function() {
                var dialog = that.entity.get_dialog('consume');
                dialog.open(that.container);
                return false;
            }
        }).appendTo(that.consume_buttons);

        that.consume_button.css('display', 'none');

        that.import_button = IPA.action_button({
            name: 'import',
            label: '@i18n:objects.entitle.import_button',
            icon: 'import-icon',
            click: function() {
                var dialog = that.entity.get_dialog('import');
                dialog.open(that.container);
                return false;
            }
        }).appendTo(that.consume_buttons);

        that.import_button.css('display', 'none');
    };

    that.refresh = function() {

        function on_success(data, text_status, xhr) {

            if (that.entity.status == IPA.entitle.online) {
                that.consume_button.css('display', 'inline');
                that.import_button.css('display', 'none');

            } else if (that.entity.status == IPA.entitle.offline) {
                that.consume_button.css('display', 'none');
                that.import_button.css('display', 'inline');

            } else {
                that.consume_button.css('display', 'none');
                that.import_button.css('display', 'inline');
            }

            that.load(data);
        }

        function on_error(xhr, text_status, error_thrown) {

            that.consume_button.css('display', 'none');
            that.import_button.css('display', 'inline');

            that.table.summary.text(error_thrown.name+': '+error_thrown.message);
        }

        that.entity.get_status(
            function(data, text_status, xhr) {
                that.entity.get_certificates(
                    on_success,
                    on_error);
            },
            on_error);
    };

    init();

    return that;
};

IPA.entitle.certificate_column = function(spec) {

    spec = spec || {};

    var that = IPA.column(spec);

    that.setup = function(container, record) {

        container.empty();

        var certificate = record[that.name];

        $('<a/>', {
            href: '#download',
            html: text.get('@i18n:objects.entitle.download'),
            click: function() {
                var dialog = IPA.cert.download_dialog({
                    title: '@i18n:objects.entitle.download_certificate',
                    certificate: certificate
                });
                dialog.open();
                return false;
            }
        }).appendTo(container);
    };

    return that;
};

IPA.entitle.certificate_dialog = function(spec) {

    spec = spec || {};

    var that = IPA.dialog(spec);

    that.width = spec.width || 500;
    that.height = spec.height || 400;
    that.message = text.get(spec.message);
    that.label = text.get(spec.label);

    that.get_certificate = function() {
        var certificate = that.textarea.val();
        return IPA.cert.BEGIN_CERTIFICATE+'\n'+
            $.trim(certificate)+'\n'+
            IPA.cert.END_CERTIFICATE+'\n';
    };

    that.create = function() {
        that.container.append(that.message);
        that.container.append('<br/>');
        that.container.append('<br/>');

        that.container.append(IPA.cert.BEGIN_CERTIFICATE);
        that.container.append('<br/>');

        that.textarea = $('<textarea/>', {
            style: 'width: 100%; height: 225px;'
        }).appendTo(that.container);

        that.container.append('<br/>');
        that.container.append(IPA.cert.END_CERTIFICATE);
    };

    return that;
};

IPA.entitle.register_online_dialog = function(spec) {

    spec = spec || {};

    var that = IPA.dialog(spec);

    that.create_button({
        name: 'register',
        label: '@i18n:objects.entitle.register',
        click: function() {
            var record = {};
            that.save(record);

            that.entity.register_online(
                record.username[0],
                record.password[0],
                record.ipaentitlementid[0],
                function() {
                    var facet = that.entity.get_facet();
                    facet.refresh();
                    that.close();
                }
            );
        }
    });

    that.create_button({
        name: 'cancel',
        label: '@i18n:buttons.cancel',
        click: function() {
            that.close();
        }
    });

    return that;
};

IPA.entitle.register_offline_dialog = function(spec) {

    spec = spec || {};

    var that = IPA.entitle.certificate_dialog(spec);

    that.create_button({
        name: 'register',
        label: that.label,
        click: function() {
            that.entity.register_offline(
                that.get_certificate(),
                function() {
                    var facet = that.entity.get_facet();
                    facet.refresh();
                    that.close();
                }
            );
        }
    });

    that.create_button({
        name: 'cancel',
        label: '@i18n:buttons.cancel',
        click: function() {
            that.close();
        }
    });

    return that;
};

IPA.entitle.consume_dialog = function(spec) {

    spec = spec || {};

    var that = IPA.dialog(spec);

    that.create_button({
        name: 'consume',
        label: '@i18n:objects.entitle.consume',
        click: function() {

            if (!that.validate()) {
                return;
            }

            var record = {};
            that.save(record);

            that.entity.consume(
                record.quantity[0],
                function() {
                    var facet = that.entity.get_facet();
                    facet.refresh();
                    that.close();
                }
            );
        }
    });

    that.create_button({
        name: 'cancel',
        label: '@i18n:buttons.cancel',
        click: function() {
            that.close();
        }
    });

    return that;
};

IPA.entitle.import_dialog = function(spec) {

    spec = spec || {};

    var that = IPA.entitle.certificate_dialog(spec);

    that.create_button({
        name: 'import',
        label: '@i18n:objects.entitle.import_button',
        click: function() {
            that.entity.import_certificate(
                that.get_certificate(),
                function() {
                    var facet = that.entity.get_facet();
                    facet.refresh();
                    that.close();
                }
            );
        }
    });

    that.create_button({
        name: 'cancel',
        label: '@i18n:buttons.cancel',
        click: function() {
            that.close();
        }
    });

    return that;
};

IPA.entitle.download_widget = function(spec) {

    spec = spec || {};

    var that = IPA.input_widget(spec);

    that.create = function(container) {
        that.link = $('<a/>', {
            'href': '#download',
            'html': text.get('@i18n:objects.entitle.download'),
            'click': function() {
                that.entity.get_accounts(
                    function(data, text_status, xhr) {
                        var userpkcs12 = data.result.result[0].userpkcs12;
                        if (!userpkcs12) {
                            alert(text.get('@i18n:objects.entitle.no_certificate'));
                            return;
                        }

                        /*
                         * WARNING - despite using cert.download_dialog() and passing
                         * a certificate, it's NOT a certificate, it's a binary
                         * PKCS12 file that's been base64 encoded!
                         * Hence the reason add_pem_delimiters is false.
                         */
                        var dialog = IPA.cert.download_dialog({
                            title: '@i18n:objects.entitle.download_certificate',
                            certificate: userpkcs12[0].__base64__,
                            add_pem_delimiters: false
                        });
                        dialog.open();
                    }
                );
                return false;
            }
        }).appendTo(container);
    };

    that.update = function() {
        if (that.entity.status == IPA.entitle.online) {
            that.link.css('display', 'inline');
        } else {
            that.link.css('display', 'none');
        }
        that.updated.notify([], that);
    };

    return that;
};

exp.entity_spec = make_spec();
exp.register = function() {
    var e = reg.entity;
    e.register({type: 'entitle', spec: exp.entity_spec});
};
phases.on('registration', exp.register);

return exp;
});