/**
 * Unbind all event handlers before tearing down a page
 */
AJAX.registerTeardown('table/operations.js', function () {
    $(document).off('submit', '#copyTable.ajax');
    $(document).off('submit', '#moveTableForm');
    $(document).off('submit', '#tableOptionsForm');
    $(document).off('submit', '#partitionsForm');
    $(document).off('click', '#tbl_maintenance li a.maintain_action.ajax');
    $(document).off('click', '#drop_tbl_anchor.ajax');
    $(document).off('click', '#drop_view_anchor.ajax');
    $(document).off('click', '#truncate_tbl_anchor.ajax');
});

/**
 * jQuery coding for 'Table operations'.  Used on tbl_operations.php
 * Attach Ajax Event handlers for Table operations
 */
AJAX.registerOnload('table/operations.js', function () {
    /**
     *Ajax action for submitting the "Copy table"
     **/
    $(document).on('submit', '#copyTable.ajax', function (event) {
        event.preventDefault();
        var $form = $(this);
        Functions.prepareForAjaxRequest($form);
        var argsep = CommonParams.get('arg_separator');
        $.post($form.attr('action'), $form.serialize() + argsep + 'submit_copy=Go', function (data) {
            if (typeof data !== 'undefined' && data.success === true) {
                if ($form.find('input[name=\'switch_to_new\']').prop('checked')) {
                    CommonParams.set(
                        'db',
                        $form.find('select[name=\'target_db\']').val()
                    );
                    CommonParams.set(
                        'table',
                        $form.find('input[name=\'new_name\']').val()
                    );
                    CommonActions.refreshMain(false, function () {
                        Functions.ajaxShowMessage(data.message);
                    });
                } else {
                    Functions.ajaxShowMessage(data.message);
                }
                // Refresh navigation when the table is copied
                Navigation.reload();
            } else {
                Functions.ajaxShowMessage(data.error, false);
            }
        }); // end $.post()
    });// end of copyTable ajax submit

    /**
     *Ajax action for submitting the "Move table"
     */
    $(document).on('submit', '#moveTableForm', function (event) {
        event.preventDefault();
        var $form = $(this);
        Functions.prepareForAjaxRequest($form);
        var argsep = CommonParams.get('arg_separator');
        $.post($form.attr('action'), $form.serialize() + argsep + 'submit_move=1', function (data) {
            if (typeof data !== 'undefined' && data.success === true) {
                CommonParams.set('db', data.params.db);
                CommonParams.set('table', data.params.table);
                CommonActions.refreshMain('tbl_sql.php', function () {
                    Functions.ajaxShowMessage(data.message);
                });
                // Refresh navigation when the table is copied
                Navigation.reload();
            } else {
                Functions.ajaxShowMessage(data.error, false);
            }
        }); // end $.post()
    });

    /**
     * Ajax action for submitting the "Table options"
     */
    $(document).on('submit', '#tableOptionsForm', function (event) {
        event.preventDefault();
        event.stopPropagation();
        var $form = $(this);
        var $tblNameField = $form.find('input[name=new_name]');
        var $tblCollationField = $form.find('select[name=tbl_collation]');
        var collationOrigValue = $('select[name="tbl_collation"] option[selected]').val();
        var $changeAllColumnCollationsCheckBox = $('#checkbox_change_all_collations');
        var question = Messages.strChangeAllColumnCollationsWarning;

        if ($tblNameField.val() !== $tblNameField[0].defaultValue) {
            // reload page and navigation if the table has been renamed
            Functions.prepareForAjaxRequest($form);

            if ($tblCollationField.val() !== collationOrigValue && $changeAllColumnCollationsCheckBox.is(':checked')) {
                $form.confirm(question, $form.attr('action'), function () {
                    submitOptionsForm();
                });
            } else {
                submitOptionsForm();
            }
        } else {
            if ($tblCollationField.val() !== collationOrigValue && $changeAllColumnCollationsCheckBox.is(':checked')) {
                $form.confirm(question, $form.attr('action'), function () {
                    $form.removeClass('ajax').trigger('submit').addClass('ajax');
                });
            } else {
                $form.removeClass('ajax').trigger('submit').addClass('ajax');
            }
        }

        function submitOptionsForm () {
            $.post($form.attr('action'), $form.serialize(), function (data) {
                if (typeof data !== 'undefined' && data.success === true) {
                    CommonParams.set('table', data.params.table);
                    CommonActions.refreshMain(false, function () {
                        $('#page_content').html(data.message);
                        Functions.highlightSql($('#page_content'));
                    });
                    // Refresh navigation when the table is renamed
                    Navigation.reload();
                } else {
                    Functions.ajaxShowMessage(data.error, false);
                }
            }); // end $.post()
        }
    });

    /**
     *Ajax events for actions in the "Table maintenance"
    **/
    $(document).on('click', '#tbl_maintenance li a.maintain_action.ajax', function (event) {
        event.preventDefault();
        var $link = $(this);

        if ($('.sqlqueryresults').length !== 0) {
            $('.sqlqueryresults').remove();
        }
        if ($('.result_query').length !== 0) {
            $('.result_query').remove();
        }
        // variables which stores the common attributes
        var params = $.param({
            'ajax_request': 1,
            'server': CommonParams.get('server')
        });
        var postData = $link.getPostData();
        if (postData) {
            params += CommonParams.get('arg_separator') + postData;
        }

        $.post($link.attr('href'), params, function (data) {
            function scrollToTop () {
                $('html, body').animate({ scrollTop: 0 });
            }
            var $tempDiv;
            if (typeof data !== 'undefined' && data.success === true && data.sql_query !== undefined) {
                Functions.ajaxShowMessage(data.message);
                $('<div class=\'sqlqueryresults ajax\'></div>').prependTo('#page_content');
                $('.sqlqueryresults').html(data.sql_query);
                Functions.highlightSql($('#page_content'));
                scrollToTop();
            } else if (typeof data !== 'undefined' && data.success === true) {
                $tempDiv = $('<div id=\'temp_div\'></div>');
                $tempDiv.html(data.message);
                var $success = $tempDiv.find('.result_query .success');
                Functions.ajaxShowMessage($success);
                $('<div class=\'sqlqueryresults ajax\'></div>').prependTo('#page_content');
                $('.sqlqueryresults').html(data.message);
                Functions.highlightSql($('#page_content'));
                Functions.initSlider();
                $('.sqlqueryresults').children('fieldset,br').remove();
                scrollToTop();
            } else {
                $tempDiv = $('<div id=\'temp_div\'></div>');
                $tempDiv.html(data.error);

                var $error;
                if ($tempDiv.find('.error code').length !== 0) {
                    $error = $tempDiv.find('.error code').addClass('error');
                } else {
                    $error = $tempDiv;
                }

                Functions.ajaxShowMessage($error, false);
            }
        }); // end $.post()
    });// end of table maintenance ajax click

    /**
     * Ajax action for submitting the "Partition Maintenance"
     * Also, asks for confirmation when DROP partition is submitted
     */
    $(document).on('submit', '#partitionsForm', function (event) {
        event.preventDefault();
        var $form = $(this);

        function submitPartitionMaintenance () {
            var argsep = CommonParams.get('arg_separator');
            var submitData = $form.serialize() + argsep + 'ajax_request=true' + argsep + 'ajax_page_request=true';
            Functions.ajaxShowMessage(Messages.strProcessingRequest);
            AJAX.source = $form;
            $.post($form.attr('action'), submitData, AJAX.responseHandler);
        }

        if ($('#partition_operation_DROP').is(':checked')) {
            $form.confirm(Messages.strDropPartitionWarning, $form.attr('action'), function () {
                submitPartitionMaintenance();
            });
        } else if ($('#partition_operation_TRUNCATE').is(':checked')) {
            $form.confirm(Messages.strTruncatePartitionWarning, $form.attr('action'), function () {
                submitPartitionMaintenance();
            });
        } else {
            submitPartitionMaintenance();
        }
    });

    $(document).on('click', '#drop_tbl_anchor.ajax', function (event) {
        event.preventDefault();
        var $link = $(this);
        /**
         * @var question    String containing the question to be asked for confirmation
         */
        var question = Messages.strDropTableStrongWarning + ' ';
        question += Functions.sprintf(
            Messages.strDoYouReally,
            'DROP TABLE `'  + Functions.escapeHtml(CommonParams.get('db')) + '`.`' + Functions.escapeHtml(CommonParams.get('table') + '`')
        ) + Functions.getForeignKeyCheckboxLoader();

        $(this).confirm(question, $(this).attr('href'), function (url) {
            var $msgbox = Functions.ajaxShowMessage(Messages.strProcessingRequest);

            var params = Functions.getJsConfirmCommonParam(this, $link.getPostData());

            $.post(url, params, function (data) {
                if (typeof data !== 'undefined' && data.success === true) {
                    Functions.ajaxRemoveMessage($msgbox);
                    // Table deleted successfully, refresh both the frames
                    Navigation.reload();
                    CommonParams.set('table', '');
                    CommonActions.refreshMain(
                        CommonParams.get('opendb_url'),
                        function () {
                            Functions.ajaxShowMessage(data.message);
                        }
                    );
                } else {
                    Functions.ajaxShowMessage(data.error, false);
                }
            }); // end $.post()
        }, Functions.loadForeignKeyCheckbox);
    }); // end of Drop Table Ajax action

    $(document).on('click', '#drop_view_anchor.ajax', function (event) {
        event.preventDefault();
        var $link = $(this);
        /**
         * @var question    String containing the question to be asked for confirmation
         */
        var question = Messages.strDropTableStrongWarning + ' ';
        question += Functions.sprintf(
            Messages.strDoYouReally,
            'DROP VIEW `' + Functions.escapeHtml(CommonParams.get('table') + '`')
        );

        $(this).confirm(question, $(this).attr('href'), function (url) {
            var $msgbox = Functions.ajaxShowMessage(Messages.strProcessingRequest);
            var params = Functions.getJsConfirmCommonParam(this, $link.getPostData());
            $.post(url, params, function (data) {
                if (typeof data !== 'undefined' && data.success === true) {
                    Functions.ajaxRemoveMessage($msgbox);
                    // Table deleted successfully, refresh both the frames
                    Navigation.reload();
                    CommonParams.set('table', '');
                    CommonActions.refreshMain(
                        CommonParams.get('opendb_url'),
                        function () {
                            Functions.ajaxShowMessage(data.message);
                        }
                    );
                } else {
                    Functions.ajaxShowMessage(data.error, false);
                }
            }); // end $.post()
        });
    }); // end of Drop View Ajax action

    $(document).on('click', '#truncate_tbl_anchor.ajax', function (event) {
        event.preventDefault();
        var $link = $(this);
        /**
         * @var question    String containing the question to be asked for confirmation
         */
        var question = Messages.strTruncateTableStrongWarning + ' ';
        question += Functions.sprintf(
            Messages.strDoYouReally,
            'TRUNCATE `' + Functions.escapeHtml(CommonParams.get('db')) + '`.`' + Functions.escapeHtml(CommonParams.get('table') + '`')
        ) + Functions.getForeignKeyCheckboxLoader();
        $(this).confirm(question, $(this).attr('href'), function (url) {
            Functions.ajaxShowMessage(Messages.strProcessingRequest);

            var params = Functions.getJsConfirmCommonParam(this, $link.getPostData());

            $.post(url, params, function (data) {
                if ($('.sqlqueryresults').length !== 0) {
                    $('.sqlqueryresults').remove();
                }
                if ($('.result_query').length !== 0) {
                    $('.result_query').remove();
                }
                if (typeof data !== 'undefined' && data.success === true) {
                    Functions.ajaxShowMessage(data.message);
                    $('<div class=\'sqlqueryresults ajax\'></div>').prependTo('#page_content');
                    $('.sqlqueryresults').html(data.sql_query);
                    Functions.highlightSql($('#page_content'));
                } else {
                    Functions.ajaxShowMessage(data.error, false);
                }
            }); // end $.post()
        }, Functions.loadForeignKeyCheckbox);
    }); // end of Truncate Table Ajax action
}); // end $(document).ready for 'Table operations'