/* Copyright 2016 Jairo Llopis <jairo.llopis@tecnativa.com>
 * License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl). */

/* This JS module replaces core AJAX submission because it is impossible
 * to extend it as it is currently designed. It is almost a copy+paste from
 * upstream, to allow easier version/patch updates, so linter is disabled. */
/* eslint-disable */
odoo.define('mass_mailing_custom_unsubscribe.unsubscribe', function (require) {
    'use strict';

    var ajax = require('web.ajax');
    var core = require('web.core');
    require('web.dom_ready');

    var _t = core._t;

    if (!$('.o_unsubscribe_form').length) {
        return $.Deferred().reject("DOM doesn't contain '.o_unsubscribe_form'");
    }

    var email = $("input[name='email']").val();
    var mailing_id = parseInt($("input[name='mailing_id']").val(), 10);
    var res_id = parseInt($("input[name='res_id']").val(), 10);
    var token = (location.search.split('token' + '=')[1] || '').split('&')[0];
    var $mailing_lists = $("input[name='contact_ids']");
    var $reasons = $("#custom_div_feedback");
    var $details = $("textarea[name='details']");
    var $radio = $(":radio");
    var $info_state = $("#info_state, #custom_div_feedback");

    $radio.on('change click', function (e) {
        $details.prop(
            "required",
            $(e.target).is("[data-details-required]") && $(e.target).is(":visible")
        );
    });

    // Display reasons form only if there are unsubscriptions
    var toggle_reasons = function () {
        // Find contacts that were checked and now are unchecked
        var $disabled = $mailing_lists.filter(function () {
            var $this = $(this);
            return !$this.prop("checked") && $this.attr("checked");
        });
        // Hide reasons form if you are only subscribing
        $reasons.toggleClass("d-none", !$disabled.length);
        var $radios = $reasons.find(":radio");
        if ($reasons.is(":hidden")) {
            // Uncheck chosen reason
            $radios.prop("checked", false)
            // Unrequire specifying a reason
            .prop("required", false)
            // Remove possible constraints for details
            .trigger("change");
            // Clear textarea
            $details.val("");
        } else {
            // Require specifying a reason
            $radios.prop("required", true);
        }
    };

    $mailing_lists.change(function (e) {
        toggle_reasons();
        $('#info_state').addClass('invisible');
    });

    if (email != '' && email != undefined) {
        ajax.jsonRpc('/mailing/blacklist/check', 'call', {
            'email': email,
            'mailing_id': mailing_id,
            'res_id': res_id,
            'token': token
        })
            .then(function (result) {
                if (result == 'unauthorized') {
                    $('#button_add_blacklist').hide();
                    $('#button_remove_blacklist').hide();
                }
                else if (result == true) {
                    $('#button_remove_blacklist').show();
                    toggle_opt_out_section(false);
                }
                else if (result == false) {
                    $('#button_add_blacklist').show();
                    toggle_opt_out_section(true);
                }
                else {
                    $('#subscription_info').html(_t('An error occured. Please try again later or contact us.'));
                    $info_state.removeClass('alert-success').removeClass('alert-info').removeClass('alert-warning').addClass('alert-error');
                }
            })
            .guardedCatch(function () {
                $('#subscription_info').html(_t('An error occured. Please try again later or contact us.'));
                $info_state.removeClass('alert-success').removeClass('alert-info').removeClass('alert-warning').addClass('alert-error');
            });
    }
    else {
        $('#div_blacklist').hide();
    }

    var unsubscribed_list = $("input[name='unsubscribed_list']").val();
    if (unsubscribed_list){
        $('#subscription_info').html(_.str.sprintf(
            _t("You have been <strong>successfully unsubscribed from %s</strong>."),
            unsubscribed_list
        ));
    }
    else{
        $('#subscription_info').html(_t('You have been <strong>successfully unsubscribed</strong>.'));
    }

    $('#unsubscribe_form').on('submit', function (e) {
        e.preventDefault();

        var checked_ids = [];
        $("input[type='checkbox']:checked").each(function (i) {
            checked_ids[i] = parseInt($(this).val(), 10);
        });

        var unchecked_ids = [];
        $("input[type='checkbox']:not(:checked)").each(function (i) {
            unchecked_ids[i] = parseInt($(this).val(), 10);
        });

        var values = {
            'opt_in_ids': checked_ids,
            'opt_out_ids': unchecked_ids,
            'email': email,
            'mailing_id': mailing_id,
            'res_id': res_id,
            'token': token
        };
        // Only send reason and details if an unsubscription was found
        if ($reasons.is(":visible")) {
            values.reason_id = parseInt(
                $reasons.find("[name='reason_id']:checked").val(),
                10
            );
            values.details = $details.val();
        }

        ajax.jsonRpc('/mail/mailing/unsubscribe', 'call', values)
            .then(function (result) {
                if (result == 'unauthorized') {
                    $('#info_state').removeClass('invisible');
                    $('#subscription_info').html(_t('You are not authorized to do this!'));
                    $info_state.removeClass('alert-success').removeClass('alert-info').removeClass('alert-error').addClass('alert-warning');
                }
                else if (result == true) {
                    $('#info_state').removeClass('invisible');
                    $('#subscription_info').html(_t('Your changes have been saved.'));
                    $info_state.removeClass('alert-info').addClass('alert-success');
                    // Store checked status, to enable further changes
                    $mailing_lists.each(function () {
                        var $this = $(this);
                        $this.attr("checked", $this.prop("checked"));
                    });
                    toggle_reasons();
                }
                else {
                    $('#info_state').removeClass('invisible');
                    $('#subscription_info').html(_t('An error occurred. Your changes have not been saved, try again later.'));
                    $info_state.removeClass('alert-info').addClass('alert-warning');
                }
            })
            .guardedCatch(function () {
                $('#info_state').removeClass('invisible');
                $('#subscription_info').html(_t('An error occurred. Your changes have not been saved, try again later.'));
                $info_state.removeClass('alert-info').addClass('alert-warning');
            });
    });

    //  ==================
    //      Blacklist
    //  ==================
    $('#button_add_blacklist').click(function (e) {
        e.preventDefault();

        if ($reasons.is(":hidden")) {
            $reasons.toggleClass("d-none", false);
            $reasons.find(":radio").prop("required", true);
        }
        if (!$("#unsubscribe_form")[0].reportValidity()) {
            return;
        }

        ajax.jsonRpc('/mailing/blacklist/add', 'call', {
            'email': email,
            'mailing_id': mailing_id,
            'res_id': res_id,
            'token': token,
            'reason_id': parseInt($reasons.find("[name='reason_id']:checked").val(), 10),
            'details': $details.val(),
        })
            .then(function (result) {
                if (result == 'unauthorized') {
                    $('#info_state').removeClass('invisible');
                    $('#subscription_info').html(_t('You are not authorized to do this!'));
                    $info_state.removeClass('alert-success').removeClass('alert-info').removeClass('alert-error').addClass('alert-warning');
                }
                else {
                    if (result) {
                        $('#info_state').removeClass('invisible');
                        $('#subscription_info').html(_t('You have been successfully <strong>added to our blacklist</strong>. '
                            + 'You will not be contacted anymore by our services.'));
                        $info_state.removeClass('alert-warning').removeClass('alert-info').removeClass('alert-error').addClass('alert-success');
                        toggle_opt_out_section(false);
                        // set mailing lists checkboxes to previous state
                        $mailing_lists.each(function () {
                            var $this = $(this);
                            $this.prop("checked", $(this)[0].hasAttribute("checked"));
                        });
                        // Hide reasons and reset reason fields
                        $reasons.toggleClass("d-none", true)
                            .find(":radio").prop("checked", false);
                        $details.val("").prop("required", false);
                    }
                    else {
                        $('#info_state').removeClass('invisible');
                        $('#subscription_info').html(_t('An error occured. Please try again later or contact us.'));
                        $info_state.removeClass('alert-success').removeClass('alert-info').removeClass('alert-warning').addClass('alert-error');
                    }
                    $('#button_add_blacklist').hide();
                    $('#button_remove_blacklist').show();
                    $('#unsubscribed_info').hide();
                }
            })
            .guardedCatch(function () {
                $('#subscription_info').html(_t('An error occured. Please try again later or contact us.'));
                $info_state.removeClass('alert-success').removeClass('alert-info').removeClass('alert-warning').addClass('alert-error');
            });
    });

    $('#button_remove_blacklist').click(function (e) {
        e.preventDefault();

        ajax.jsonRpc('/mailing/blacklist/remove', 'call', {
            'email': email,
            'mailing_id': mailing_id,
            'res_id': res_id,
            'token': token
        })
            .then(function (result) {
                if (result == 'unauthorized') {
                    $('#info_state').removeClass('invisible');
                    $('#subscription_info').html(_t('You are not authorized to do this!'));
                    $info_state.removeClass('alert-success').removeClass('alert-info').removeClass('alert-error').addClass('alert-warning');
                }
                else {
                    if (result) {
                        $('#info_state').removeClass('invisible');
                        $('#subscription_info').html(_t("You have been successfully <strong>removed from our blacklist</strong>. "
                            + "You are now able to be contacted by our services."));
                        $info_state.removeClass('alert-warning').removeClass('alert-info').removeClass('alert-error').addClass('alert-success');
                        toggle_opt_out_section(true);
                    }
                    else {
                        $('#info_state').removeClass('invisible');
                        $('#subscription_info').html(_t('An error occured. Please try again later or contact us.'));
                        $info_state.removeClass('alert-success').removeClass('alert-info').removeClass('alert-warning').addClass('alert-error');
                    }
                    $('#button_add_blacklist').show();
                    $('#button_remove_blacklist').hide();
                    $('#unsubscribed_info').hide();
                }
            })
            .guardedCatch(function () {
                $('#info_state').removeClass('invisible');
                $('#subscription_info').html(_t('An error occured. Please try again later or contact us.'));
                $info_state.removeClass('alert-success').removeClass('alert-info').removeClass('alert-warning').addClass('alert-error');
            });
    });
});

function toggle_opt_out_section(value) {
    var result = !value;
    $("#div_opt_out").find('*').attr('disabled', result);
    $("#button_add_blacklist").attr('disabled', false);
    $("#button_remove_blacklist").attr('disabled', false);
    $("#custom_div_feedback").find('*').attr('disabled', false);
    if (value) {
        $('[name="button_subscription"]').addClass('clickable');
    }
    else {
        $('[name="button_subscription"]').removeClass('clickable');
    }
}