/** @odoo-module **/

// Copyright 2018-22 ForgeFlow <http://www.forgeflow.com>
// License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).

import {qweb as QWeb, _t} from "web.core";
import mailUtils from "@mail/js/utils";
import mail_activity from "mail.activity";
import time from "web.time";

// We are forced here to override the method, as there is no possibility
// to inherit it.
var setDelayLabel = function (activities) {
    var today = moment().startOf("day");
    _.each(activities, function (activity) {
        var to_display = "";
        var deadline = moment(activity.date_deadline).startOf("day");
        // On next line, true means no rounding
        var diff = deadline.diff(today, "days", true);
        if (diff === 0) {
            to_display = _t("Today");
        } else if (diff < 0) {
            // This block is for overdue
            // eslint-disable-line no-lonely-if
            if (diff === -1) {
                to_display = _t("Yesterday");
            } else {
                to_display = _.str.sprintf(_t("%d days overdue"), Math.abs(diff));
            }
            // This block is for due
        } else if (diff === 1) {
            // eslint-disable-line no-lonely-if
            to_display = _t("Tomorrow");
        } else {
            to_display = _.str.sprintf(_t("Due in %d days"), Math.abs(diff));
        }
        activity.label_delay = to_display;
    });
    // We do not want to show the activities that have been completed.
    var open_activities = _.filter(activities, function (activity) {
        return activity.done !== true;
    });
    return open_activities;
};

mail_activity.include({
    /**
     * @override
     * @private
     */
    _render: function () {
        _.each(this._activities, function (activity) {
            var note = mailUtils.parseAndTransform(
                activity.note || "",
                mailUtils.inline
            );
            var is_blank = /^\s*$/.test(note);
            if (is_blank) {
                activity.note = "";
            } else {
                activity.note = mailUtils.parseAndTransform(
                    activity.note,
                    mailUtils.addLink
                );
            }
        });
        var activities = setDelayLabel(this._activities);
        if (activities.length) {
            var nbActivities = _.countBy(activities, "state");
            this.$el.html(
                QWeb.render("mail.activity_items", {
                    activities: activities,
                    nbPlannedActivities: nbActivities.planned,
                    nbTodayActivities: nbActivities.today,
                    nbOverdueActivities: nbActivities.overdue,
                    dateFormat: time.getLangDateFormat(),
                    datetimeFormat: time.getLangDatetimeFormat(),
                })
            );
        } else {
            this.$el.empty();
        }
    },
});