/**
 * Executes the first step in the update cycle
 *
 * @param container
 * @param step
 * @param state
 */
Mautic.processUpdate = function (container, step, state) {

    var baseUrl = mauticBasePath + '/';

    switch (step) {
        // Set the update page layout
        case 1:
            mQuery.ajax({
                showLoadingBar: true,
                url: mauticAjaxUrl + '?action=core:updateSetUpdateLayout',
                dataType: 'json',
                success: function (response) {
                    if (response.success) {
                        mQuery('div[id=' + container + ']').html(response.content);
                        Mautic.processUpdate(container, step + 1, state);
                    } else if (response.redirect) {
                        window.location = response.redirect;
                    }
                },
                error: function (request, textStatus, errorThrown) {
                    Mautic.processAjaxError(request, textStatus, errorThrown);
                }
            });
            break;

        // Run pre-update checks
        case 2:
            mQuery.ajax({
                showLoadingBar: true,
                url: mauticAjaxUrl + '?action=core:updateRunChecks',
                dataType: 'json',
                success: function (response) {
                    if (response.redirect) {
                        window.location = response.redirect;
                    } else {
                        mQuery('td[id=update-step-running-checks-status]').html('<span class="hidden-xs">' + response.stepStatus + '</span>');

                        if (response.success) {
                            mQuery('td[id=update-step-running-checks-status]').append(mQuery('<i></i>').addClass('pull-right ri-check-line text-success'));
                            mQuery('#updateTable tbody').append('<tr><td>' + response.nextStep + '</td><td id="update-step-downloading-status"><span class="hidden-xs">' + response.nextStepStatus + '</span><i class="pull-right fa fa-spinner fa-spin"></i></td></tr>');
                            Mautic.processUpdate(container, step + 1, state);
                        } else {
                            console.log(response.errors);
                            mQuery('td[id=update-step-running-checks-status]').append(mQuery('<i></i>').addClass('pull-right ri-alert-line text-danger'));
                            mQuery('div[id=main-update-panel]').removeClass('panel-default').addClass('panel-danger');
                            mQuery('div#main-update-panel div.panel-body').prepend(`<div class="alert alert-danger">
                                <p>${response.message}</p>
                                <ul>
                                    ${response.errors.map(error => `<li>${error}</li>`).join("")}
                                </ul>
                                </div>`);
                        }
                    }
                },
                error: function (request, textStatus, errorThrown) {
                    Mautic.processAjaxError(request, textStatus, errorThrown);
                }
            });
            break;

        // Download the update package
        case 3:
            mQuery.ajax({
                showLoadingBar: true,
                url: mauticAjaxUrl + '?action=core:updateDownloadPackage',
                dataType: 'json',
                success: function (response) {
                    if (response.redirect) {
                        window.location = response.redirect;
                    } else {
                        mQuery('td[id=update-step-downloading-status]').html('<span class="hidden-xs">' + response.stepStatus + '</span>');

                        if (response.success) {
                            mQuery('td[id=update-step-downloading-status]').append(mQuery('<i></i>').addClass('pull-right ri-check-line text-success'));
                            mQuery('#updateTable tbody').append('<tr><td>' + response.nextStep + '</td><td id="update-step-extracting-status"><span class="hidden-xs">' + response.nextStepStatus + '</span><i class="pull-right fa fa-spinner fa-spin"></i></td></tr>');
                            Mautic.processUpdate(container, step + 1, state);
                        } else {
                            mQuery('td[id=update-step-downloading-status]').append(mQuery('<i></i>').addClass('pull-right ri-alert-line text-danger'));
                            mQuery('div[id=main-update-panel]').removeClass('panel-default').addClass('panel-danger');
                            mQuery('div#main-update-panel div.panel-body').prepend('<div class="alert alert-danger">' + response.message + '</div>');
                        }
                    }
                },
                error: function (request, textStatus, errorThrown) {
                    Mautic.processAjaxError(request, textStatus, errorThrown);
                }
            });
            break;

        // Extract the update package
        case 4:
            mQuery.ajax({
                showLoadingBar: true,
                url: mauticAjaxUrl + '?action=core:updateExtractPackage',
                dataType: 'json',
                success: function (response) {
                    if (response.redirect) {
                        window.location = response.redirect;
                    } else {
                        mQuery('td[id=update-step-extracting-status]').html('<span class="hidden-xs">' + response.stepStatus + '</span>');

                        if (response.success) {
                            mQuery('td[id=update-step-extracting-status]').append(mQuery('<i></i>').addClass('pull-right ri-check-line text-success'));
                            mQuery('#updateTable tbody').append('<tr><td>' + response.nextStep + '</td><td id="update-step-moving-status"><span class="hidden-xs">' + response.nextStepStatus + '</span><i class="pull-right fa fa-spinner fa-spin"></i></td></tr>');
                            Mautic.processUpdate(container, step + 1, state);
                        } else {
                            mQuery('td[id=update-step-extracting-status]').append(mQuery('<i></i>').addClass('pull-right ri-alert-line text-danger'));
                            mQuery('div[id=main-update-panel]').removeClass('panel-default').addClass('panel-danger');
                            mQuery('div#main-update-panel div.panel-body').prepend('<div class="alert alert-danger">' + response.message + '</div>');
                        }
                    }
                },
                error: function (request, textStatus, errorThrown) {
                    Mautic.processAjaxError(request, textStatus, errorThrown);
                }
            });
            break;

        // Move the updated bundles into production
        case 5:
            mQuery.ajax({
                showLoadingBar: true,
                url: baseUrl + 'upgrade/upgrade.php?task=moveBundles&updateState=' + state,
                dataType: 'json',
                success: function (response) {
                    if (response.redirect) {
                        window.location = response.redirect;
                    } else {
                        mQuery('td[id=update-step-moving-status]').html('<span class="hidden-xs">' + response.stepStatus + '</span>');

                        if (response.error) {
                            mQuery('td[id=update-step-moving-status]').append(mQuery('<i></i>').addClass('pull-right ri-alert-line text-danger'));
                            // If an error state, we cannot move on
                            mQuery('div[id=main-update-panel]').removeClass('panel-default').addClass('panel-danger');
                            mQuery('div#main-update-panel div.panel-body').prepend('<div class="alert alert-danger">' + response.message + '</div>');
                        } else if (response.complete) {
                            mQuery('td[id=update-step-moving-status]').append(mQuery('<i></i>').addClass('pull-right fa fa-spinner fa-spin'));

                            // If complete then we go into the next step
                            Mautic.processUpdate(container, step + 1, response.updateState);
                        } else {
                            mQuery('td[id=update-step-moving-status]').append(mQuery('<i></i>').addClass('pull-right fa fa-spinner fa-spin'));

                            // In this section, the step hasn't completed yet so we repeat it
                            Mautic.processUpdate(container, step, response.updateState);
                        }
                    }
                },
                error: function (request, textStatus, errorThrown) {
                    Mautic.processAjaxError(request, textStatus, errorThrown);
                }
            });
            break;

        // Move the rest of core into production
        case 6:
            mQuery.ajax({
                showLoadingBar: true,
                url: baseUrl + 'upgrade/upgrade.php?task=moveCore&updateState=' + state,
                dataType: 'json',
                success: function (response) {
                    if (response.redirect) {
                        window.location = response.redirect;
                    } else {
                        mQuery('td[id=update-step-moving-status]').html('<span class="hidden-xs">' + response.stepStatus + '</span>');

                        if (response.error) {
                            // If an error state, we cannot move on
                            mQuery('td[id=update-step-moving-status]').append(mQuery('<i></i>').addClass('pull-right ri-alert-line text-danger'));
                            mQuery('div[id=main-update-panel]').removeClass('panel-default').addClass('panel-danger');
                            mQuery('div#main-update-panel div.panel-body').prepend('<div class="alert alert-danger">' + response.message + '</div>');
                        } else if (response.complete) {
                            mQuery('td[id=update-step-moving-status]').append(mQuery('<i></i>').addClass('pull-right fa fa-spinner fa-spin'));

                            // If complete then we go into the next step
                            Mautic.processUpdate(container, step + 1, response.updateState);
                        } else {
                            mQuery('td[id=update-step-moving-status]').append(mQuery('<i></i>').addClass('pull-right fa fa-spinner fa-spin'));

                            // In this section, the step hasn't completed yet so we repeat it
                            Mautic.processUpdate(container, step, response.updateState);
                        }
                    }
                },
                error: function (request, textStatus, errorThrown) {
                    Mautic.processAjaxError(request, textStatus, errorThrown);
                }
            });
            break;

        // Move the vendors into production
        case 7:
            mQuery.ajax({
                showLoadingBar: true,
                url: baseUrl + 'upgrade/upgrade.php?task=moveVendors&updateState=' + state,
                dataType: 'json',
                success: function (response) {
                    if (response.redirect) {
                        window.location = response.redirect;
                    } else {
                        mQuery('td[id=update-step-moving-status]').html('<span class="hidden-xs">' + response.stepStatus + '</span>');

                        if (response.error) {
                            // If an error state, we cannot move on
                            mQuery('td[id=update-step-moving-status]').append(mQuery('<i></i>').addClass('pull-right ri-alert-line text-danger'));
                            mQuery('div[id=main-update-panel]').removeClass('panel-default').addClass('panel-danger');
                            mQuery('div#main-update-panel div.panel-body').prepend('<div class="alert alert-danger">' + response.message + '</div>');
                        } else if (response.complete) {
                            mQuery('td[id=update-step-moving-status]').append(mQuery('<i></i>').addClass('pull-right ri-check-line text-success'));

                            // If complete then we go into the next step
                            mQuery('#updateTable tbody').append('<tr><td>' + response.nextStep + '</td><td id="update-step-cache-status"><span class="hidden-xs">' + response.nextStepStatus + '</span><i class="pull-right fa fa-spinner fa-spin"></i></td></tr>');
                            Mautic.processUpdate(container, step + 1, response.updateState);
                        } else {
                            // In this section, the step hasn't completed yet so we repeat it
                            mQuery('td[id=update-step-moving-status]').append(mQuery('<i></i>').addClass('pull-right fa fa-spinner fa-spin'));
                            Mautic.processUpdate(container, step, response.updateState);
                        }
                    }
                },
                error: function (request, textStatus, errorThrown) {
                    Mautic.processAjaxError(request, textStatus, errorThrown);
                }
            });
            break;

        // Clear the application cache
        case 8:
            mQuery.ajax({
                showLoadingBar: true,
                url: baseUrl + 'upgrade/upgrade.php?task=clearCache&updateState=' + state,
                dataType: 'json',
                success: function (response) {
                    if (response.redirect) {
                        window.location = response.redirect;
                    } else {
                        mQuery('td[id=update-step-cache-status]').html('<span class="hidden-xs">' + response.stepStatus + '</span>');

                        if (response.error) {
                            mQuery('td[id=update-step-cache-status]').append(mQuery('<i></i>').addClass('pull-right ri-alert-line text-danger'));

                            // If an error state, we cannot move on
                            mQuery('div[id=main-update-panel]').removeClass('panel-default').addClass('panel-danger');
                            mQuery('div#main-update-panel div.panel-body').prepend('<div class="alert alert-danger">' + response.message + '</div>');
                        } else if (response.complete) {
                            mQuery('td[id=update-step-cache-status]').append(mQuery('<i></i>').addClass('pull-right ri-check-line text-success'));

                            // If complete then we go into the next step
                            mQuery('#updateTable tbody').append('<tr><td>' + response.nextStep + '</td><td id="update-step-database-status"><span class="hidden-xs">' + response.nextStepStatus + '</span><i class="pull-right fa fa-spinner fa-spin"></i></td></tr>');
                            Mautic.processUpdate(container, step + 1, response.updateState);
                        } else {
                            mQuery('td[id=update-step-cache-status]').append(mQuery('<i></i>').addClass('pull-right fa fa-spinner fa-spin'));

                            // In this section, the step hasn't completed yet so we repeat it
                            Mautic.processUpdate(container, step, response.updateState);
                        }
                    }
                },
                error: function (request, textStatus, errorThrown) {
                    Mautic.processAjaxError(request, textStatus, errorThrown);

                    // Try again, as exceptions can occur due to excessive caching.
                    Mautic.processUpdate(container, step, response.updateState);
                }
            });
            break;

        // Migrate the database
        case 9:
            mQuery.ajax({
                showLoadingBar: true,
                url: mauticAjaxUrl + '?action=core:updateDatabaseMigration&finalize=1',
                dataType: 'json',
                success: function (response) {
                    if (response.redirect) {
                        window.location = response.redirect;
                    } else {
                        mQuery('td[id=update-step-database-status]').html('<span class="hidden-xs">' + response.stepStatus + '</span>');

                        if (response.success) {
                            mQuery('td[id=update-step-database-status]').append(mQuery('<i></i>').addClass('pull-right ri-check-line text-success'));

                            // If complete then we go into the next step
                            mQuery('#updateTable tbody').append('<tr><td>' + response.nextStep + '</td><td id="update-step-finalization-status"><span class="hidden-xs">' + response.nextStepStatus + '</span><i class="pull-right fa fa-spinner fa-spin"></i></td></tr>');
                            Mautic.processUpdate(container, step + 1, state);
                        } else {
                            mQuery('td[id=update-step-database-status]').append(mQuery('<i></i>').addClass('pull-right ri-alert-line text-danger'));

                            // If an error state, we cannot move on
                            mQuery('div[id=main-update-panel]').removeClass('panel-default').addClass('panel-danger');
                            mQuery('div#main-update-panel div.panel-body').prepend('<div class="alert alert-danger">' + response.message + '</div>');
                        }
                    }
                },
                error: function (request, textStatus, errorThrown) {
                    // Redirect to the update/schema page in a last ditch attempt instead of just failing
                    window.location = mauticBaseUrl + 's/update/schema?update=1';
                }
            });
            break;

        // Finalize update
        case 10:
            mQuery.ajax({
                showLoadingBar: true,
                url: mauticAjaxUrl + '?action=core:updateFinalization',
                dataType: 'json',
                success: function (response) {
                    if (response.redirect) {
                        window.location = response.redirect;
                    } else {
                        if (response.success) {
                            mQuery('div[id=' + container + ']').html('<div class="alert alert-mautic">' + response.message + '</div>');

                            if (response.postmessage) {
                                mQuery('<div>'+response.postmessage+'</div>').insertAfter('div[id=' + container + '] .alert');
                            }
                        } else {
                            mQuery('td[id=update-step-finalization-status]').html('<span class="hidden-xs">' + response.stepStatus + '</span>');
                            mQuery('td[id=update-step-finalization-status]').append(mQuery('<i></i>').addClass('pull-right ri-alert-line text-danger'));
                            mQuery('div[id=main-update-panel]').removeClass('panel-default').addClass('panel-danger');
                            mQuery('div#main-update-panel div.panel-body').prepend('<div class="alert alert-danger">' + response.message + '</div>');
                        }
                    }
                },
                error: function (request, textStatus, errorThrown) {
                    Mautic.processAjaxError(request, textStatus, errorThrown);
                }
            });
            break;
    }

    Mautic.stopPageLoadingBar();
};