/*******************************************************************************
 * Copyright (c) 2019, Code Atlantic LLC
 ******************************************************************************/

"use strict";
(function ($) {

    /**
     * Batch Processor.
     *
     * @since 1.7.0
     */
    var batch = {
            form: {
                beforeSubmit: function ($form) {
                    var $submit = $form.find('.pum-field-submit input[type="submit"]'),
                        $messages = $form.find('.pum-upgrade-messages'),
                        $progress = $form.find('.pum-batch-progress'),
                        // Handle the Are You Sure (AYS) if present on the form element.
                        ays = $form.data('ays');

                    if (!$submit.hasClass('button-disabled')) {

                        if (ays !== undefined && !confirm(ays)) {
                            return false;
                        }

                        $progress.removeClass('pum-batch-progress--active');
                        $progress.find('progress').prop('value', null);

                        // Clear messages.
                        $messages.html('');

                        // Disable the button.
                        $submit.addClass('button-disabled');

                        // Add the spinner.
                        $('<span class="spinner is-active"></span>').insertAfter($submit);

                        return true;
                    }

                    return false;
                }
            },
            complete: function ($form) {
                var $alert = $form.parents('.pum-alert');

                $form.find('.pum-field-submit, progress').hide();
                $('p.pum-upgrade-notice').hide();
                $alert.removeClass('pum-alert__warning').addClass('pum-alert__success');
                $alert.prepend('<h2>' + pum_batch_vars.complete + '</h2>');
            },
            action: 'pum_process_batch_request',
            /**
             * Processes a single batch of data.
             *
             * @param {integer|number|string} step Step in the process.
             * @param {object} data Form data.
             */
            process_step: function (step, data) {
                var self = this;

                $.ajax({
                    type: 'POST',
                    url: ajaxurl,
                    data: {
                        batch_id: data.batch_id,
                        action: self.action,
                        nonce: data.nonce,
                        form: data.form,
                        step: parseInt(step),
                        data: data
                    },
                    dataType: "json",
                    success: function (response) {

                        if (response.data.done || response.data.error) {

                            var batchSelector = response.data.mapping ? '.pum-batch-import-form' : '.pum-batch-form',
                                // We need to get the actual in progress form, not all forms on the page
                                $batchForm = $(batchSelector),
                                spinner = $batchForm.find('.spinner'),
                                notice_wrap = $batchForm.find('.notice-wrap');

                            $batchForm.find('.button-disabled').removeClass('button-disabled');

                            if (response.data.error) {

                                spinner.remove();
                                notice_wrap.html('<div class="updated error"><p>' + response.data.error + '</p></div>');

                            } else if (response.data.done) {

                                spinner.remove();
                                notice_wrap.html('<div id="pum-batch-success" class="updated notice"><p class="pum-batch-success">' + response.data.message + '</p></div>');

                                if (response.data.url) {
                                    window.location = response.data.url;
                                }

                            } else {

                                notice_wrap.remove();

                            }
                        } else {
                            $('.pum-batch-progress div').animate({
                                width: response.data.percentage + '%'
                            }, 50);

                            self.process_step(response.data.step, data);
                        }
                    }
                }).fail(function (response) {
                    if (window.console && window.console.log) {
                        console.log(response);
                    }
                });
            }
        },
        batch_upgrades = $.extend(true, {}, batch, {
            action: 'pum_process_upgrade_request',
            /**
             * Processes a que of batch upgrades.
             *
             * @param {integer|number|string} step Step in the process.
             * @param {object} data Form data.
             */
            process_step: function (step, data) {
                var self = this;

                $.ajax({
                    type: 'POST',
                    url: ajaxurl,
                    data: {
                        upgrade_id: data.upgrade_id,
                        action: self.action,
                        nonce: data.nonce,
                        form: data.form,
                        step: parseInt(step),
                        data: data
                    },
                    dataType: "json",
                    success: function (response) {
                        var $form = $('.pum-upgrade-form'), // We need to get the actual in progress form, not all forms on the page
                            $spinner = $form.find('.spinner'),
                            $submit = $form.find('.button-disabled'),
                            $messages = $form.find('.pum-upgrade-messages');

                        if (response.data.done || response.data.error) {


                            // Reset submit button.
                            $submit.removeClass('button-disabled');

                            if (response.data.error) {
                                $spinner.remove();
                                $messages.prepend('<div class="notice notice-error notice-alt"><p>' + response.data.error + '</p></div>');
                            } else if (response.data.done) {

                                $messages.prepend('<div class="notice notice-success"><p><strong>' + response.data.message + '</strong></p></div>');

                                if (response.data.next) {
                                    $form
                                        .data('upgrade_id', response.data.next)
                                        .data('step', 1)
                                        .data('ays', false);

                                    self.process_step(1, {
                                        upgrade_id: response.data.next,
                                        nonce: data.nonce,
                                        form: data.form
                                    });
                                } else {
                                    $submit.parent().hide();
                                    $spinner.remove();

                                    batch.complete($form);
                                }

                                if (response.data.url) {
                                    window.location = response.data.url;
                                }

                            } else {
                                if (response.data.message !== '') {
                                    $messages.prepend('<div class="notice"><p class="">' + response.data.message + '</p></div>');
                                }
                            }
                        } else {

                            if (response.data.message !== '') {
                                $messages.prepend('<div class="notice"><p class="">' + response.data.message + '</p></div>');
                            }

                            $('.pum-batch-progress').addClass('pum-batch-progress--active');

                            $('.pum-batch-progress progress.pum-task-progress').addClass('active').val(response.data.percentage);

                            self.process_step(response.data.step, data);
                        }
                    }
                }).fail(function (response) {
                    if (window.console && window.console.log) {
                        console.log(response);
                    }
                });
            }

        });

    // Import this module.
    window.PUM_Admin = window.PUM_Admin || {};
    window.PUM_Admin.batch = batch;
    window.PUM_Admin.batch_upgrades = batch_upgrades;

    /**
     * Handles form submission preceding batch processing.
     */
    $(document)
        .on('submit', '.pum-batch-form[data-batch_id]', function (event) {
            var $this = $(this),
                submitButton = $this.find('input[type="submit"]'),
                // Handle the Are You Sure (AYS) if present on the form element.
                ays = $this.data('ays'),
                data = {
                    batch_id: $this.data('batch_id'),
                    nonce: $this.data('nonce'),
                    form: $this.serializeAssoc(),
                    test: $this.pumSerializeObject()
                };

            event.preventDefault();

            if (!submitButton.hasClass('button-disabled')) {

                if (ays !== undefined && !confirm(ays)) {
                    return;
                }

                // Remove existing notice & progress bars.
                $this.find('.notice-wrap').remove();

                // Add the progress bar.
                $this.append($('<div class="notice-wrap"><div class="pum-batch-progress"><div></div>'));

                // Disable the button.
                submitButton.addClass('button-disabled');

                // Add the spinner.
                submitButton.parent().append('<span class="spinner is-active"></span>');

                // Start the process.
                batch.process_step(1, data);
            }
        })
        .on('submit', '.pum-batch-form.pum-upgrade-form[data-upgrade_id]', function (event) {
            var $form = $(this),
                data = {
                    upgrade_id: $form.data('upgrade_id'),
                    nonce: $form.data('nonce'),
                    form: $form.serializeAssoc(),
                    test: $form.pumSerializeObject()
                };

            event.preventDefault();

            // Process presubmit actions like showing progress data and validating info.
            if (batch_upgrades.form.beforeSubmit($form)) {
                // Start the process.
                batch_upgrades.process_step($form.data('step') || 1, data);
            }

        });

}(jQuery));

// Initiate when ready.
jQuery(function ($) {

    $.extend({
        arrayMerge: function () {
            var a = {};
            var n = 0;
            var argv = $.arrayMerge.arguments;
            for (var i = 0; i < argv.length; i++) {
                if (Array.isArray(argv[i])) {
                    for (var j = 0; j < argv[i].length; j++) {
                        a[n++] = argv[i][j];
                    }
                    a = $.makeArray(a);
                } else {
                    for (var k in argv[i]) {
                        if (argv[i].hasOwnProperty(k)) {
                            if (isNaN(k)) {
                                var v = argv[i][k];
                                if (typeof v === 'object' && a[k]) {
                                    v = $.arrayMerge(a[k], v);
                                }
                                a[k] = v;
                            } else {
                                a[n++] = argv[i][k];
                            }
                        }
                    }
                }
            }
            return a;
        },
        count: function (arr) {
            return Array.isArray(arr) ? arr.length : typeof arr === 'object' ? Object.keys(arr).length : false;
        }
    });

    $.fn.extend({
        serializeAssoc: function () {
            var o = {
                aa: {},
                add: function (name, value) {
                    var tmp = name.match(/^(.*)\[([^\]]*)]$/),
                        v = {};

                    if (tmp) {
                        if (tmp[2])
                            v[tmp[2]] = value;
                        else
                            v[$.count(v)] = value;
                        this.add(tmp[1], v);
                    } else if (typeof value === 'object') {
                        if (typeof this.aa[name] !== 'object') {
                            this.aa[name] = {};
                        }
                        this.aa[name] = $.arrayMerge(this.aa[name], value);
                    } else {
                        this.aa[name] = value;
                    }
                }
            };
            var a = $(this).serializeArray();
            for (var i = 0; i < a.length; i++) {
                o.add(a[i].name, a[i].value);
            }
            return o.aa;
        }
    });

});