{%
/*
 * Part of AREDN® -- Used for creating Amateur Radio Emergency Data Networks
 * Copyright (C) 2024 Tim Wilkinson
 * See Contributors file for additional contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation version 3 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Additional Terms:
 *
 * Additional use restrictions exist on the AREDN® trademark and logo.
 * See AREDNLicense.txt for more info.
 *
 * Attributions to the AREDN® Project must be retained in the source code.
 * If importing this code into a new or existing project attribution
 * to the AREDN® project must be added to the source code.
 *
 * You must not misrepresent the origin of the material contained within.
 *
 * Modified versions must be modified to attribute to the original source
 * and be marked in reasonable ways as differentiate it from the original
 * version
 */
%}
{%
if (request.env.REQUEST_METHOD === "PUT") {
    configuration.prepareChanges();
    if ("gridsquare" in request.args) {
        if (match(request.args.gridsquare, /^[A-X][A-X]\d\d[a-x][a-x]$/)) {
            uciMesh.set("aredn", "@location[0]", "gridsquare", request.args.gridsquare);
        }
        else if (request.args.gridsquare === "") {
            uciMesh.set("aredn", "@location[0]", "gridsquare", "");
        }
    }
    if ("lat" in request.args) {
        if (request.args.lat > -90 && request.args.lat < 90) {
            uciMesh.set("aredn", "@location[0]", "lat", request.args.lat);
        }
        else if (request.args.lat === "") {
            uciMesh.set("aredn", "@location[0]", "lat", "");
        }
        uciMesh.set("aredn", "@location[0]", "source", "");
    }
    if ("lon" in request.args) {
        if (request.args.lon > -180 && request.args.lon < 180) {
            uciMesh.set("aredn", "@location[0]", "lon", request.args.lon);
        }
        else if (request.args.lon === "") {
            uciMesh.set("aredn", "@location[0]", "lon", "");
        }
        uciMesh.set("aredn", "@location[0]", "source", "");
    }
    if (request.args.gps_enable) {
        uciMesh.set("aredn", "@location[0]", "gps_enable", request.args.gps_enable === "on" ? "1" : "0");
    }
    if ("mapurl" in request.args) {
        if (match(request.args.mapurl, constants.reUrl)) {
            uciMesh.set("aredn", "@location[0]", "map", request.args.mapurl);
        }
    }
    uciMesh.commit("aredn");
    print(_R("changes"));
    return;
}
if (request.env.REQUEST_METHOD === "DELETE") {
    configuration.revertModalChanges();
    print(_R("changes"));
    return;
}
const map = uciMesh.get("aredn", "@location[0]", "map");
const lat = uciMesh.get("aredn", "@location[0]", "lat") ?? 37;
const lon = uciMesh.get("aredn", "@location[0]", "lon") ?? -122;
const gridsquare = uciMesh.get("aredn", "@location[0]", "gridsquare");
const mapurl = map ? replace(replace(map, "(lat)", lat), "(lon)", lon) : null;
%}
<div class="dialog">
    {{_R("dialog-header", "Location")}}
    <div>
        {% if (mapurl) { %}
        <div id="location-edit-map">
            <div class="icon plus"></div>
            <iframe src="{{mapurl}}"></iframe>
        </div>
        {% } %}
        <div class="cols">
            <div>
                <div class="o">Latitude</div>
                <div class="m">Node's latitude</div>
            </div>
            <div style="flex:0">
                <input hx-put="{{request.env.REQUEST_URI}}" hx-swap="none" name="lat" type="text" size="10" pattern="-?\d+(\.\d+)?" value="{{lat}}">
            </div>
        </div>
        {{_H("The latitude of this node. This information is used to determine the distance between this node and others and is required to
        optimize connection latency and bandwidth.")}}
        <div class="cols">
            <div>
                <div class="o">Longitude</div>
                <div class="m">Node's longitude</div>
            </div>
            <div style="flex:0">
                <input hx-put="{{request.env.REQUEST_URI}}" hx-swap="none" name="lon" type="text" size="10" pattern="-?\d+(\.\d+)?" value="{{lon}}">
            </div>
        </div>
        {{_H("The longitude of this node. This information is used to determine the distance between this node and others and is required to
        optimize connection latency and bandwidth.")}}
        <div class="cols">
            <div>
                <div class="o">Gridsquare</div>
                <div class="m">Maidenhead gridsquare</div>
            </div>
            <div style="flex:0">
                <input hx-put="{{request.env.REQUEST_URI}}" hx-swap="none" name="gridsquare" type="text" size="7" pattern="[A-X][A-X]\d\d[a-x][a-x]" value="{{gridsquare}}">
            </div>
        </div>
        {{_H("A gridsquare is a 6 character (2 uppercase letters, 2 digits, 2 lowercase letters) designation of the node's location.
        A gridsquare is approximately 3x4 miles in size.")}}
        {{_R("dialog-advanced")}}
        <div>
        {% if (includeAdvanced) { %}
            <div class="cols">
                <div>
                    <div class="o">GPS Location</div>
                    <div class="m">Use local or network GPS to set location</div>
                </div>
                <div style="flex:0">
                    {{_R("switch", { name: "gps_enable", value: uciMesh.get("aredn", "@location[0]", "gps_enable") === "1" })}}
                </div>
            </div>
            {{_H("Use either a local GPS devices to set the location, or search for a GPS device on another local node, and use its
            GPS to set our location.")}}
            <div class="cols">
                <div>
                    <div class="o">Map URL</div>
                    <div class="m">URL for embedded map</div>
                </div>
                <div style="flex:0">
                    <input hx-put="{{request.env.REQUEST_URI}}" hx-swap="none" name="mapurl" type="text" size="45" pattern="{{constants.patUrl}}" value="{{map}}">
                </div>
            </div>
            {{_H("The map URL is used to embed maps in this page (see above) and in other node pages. The (lat) and (lon) parameters in
            the URL are expanded before the URL is used.")}}
        {% } %}
        </div>
    </div>
    {{_R("dialog-footer")}}
    <script>
    (function(){
        {{_R("open")}}
        const lat = htmx.find("#ctrl-modal .dialog input[name=lat]");
        const lon = htmx.find("#ctrl-modal .dialog input[name=lon]");
        const gridsquare = htmx.find("#ctrl-modal .dialog input[name=gridsquare]");
        const map = htmx.find("#ctrl-modal .dialog iframe");
        let mapt = null;
        if (map) {
            window.addEventListener("message", e => {
                const msg = JSON.parse(e.data);
                if (msg.type === "location") {
                    lat.value = parseFloat(msg.lat).toFixed(5);
                    lon.value = parseFloat(msg.lon).toFixed(5);
                    clearTimeout(mapt);
                    mapt = setTimeout(() => {
                        htmx.ajax("PUT", "{{request.env.REQUEST_URI}}", {
                            swap: "none",
                            values: { lat: lat.value, lon: lon.value, gridsquare: gridsquare.value }
                        });
                    }, 500);
                    latlon2gridsquare();
                }
            });
        }
        function llchange() {
            if (lat.value !== "" && lon.value !== "") {
                if (map) {
                    map.contentWindow.postMessage(JSON.stringify({ type: "change-location", lat: lat.value, lon: lon.value }), "*");
                }
                latlon2gridsquare();
                if (!map) {
                    htmx.ajax("PUT", "{{request.env.REQUEST_URI}}", {
                        swap: "none",
                        values: { lat: lat.value, lon: lon.value, gridsquare: gridsquare.value }
                    });
                }
            }
            else if (lat.value === "" && lon.value === "") {
                gridsquare.value = "";
                htmx.ajax("PUT", "{{request.env.REQUEST_URI}}", {
                    swap: "none",
                    values: { lat: "", lon: "", gridsquare: "" }
                });
            }
        }
        lat.addEventListener("change", llchange);
        lon.addEventListener("change", llchange);
        gridsquare.addEventListener("change", function() {
            if (gridsquare.value !== "") {
                gridsquare2latlon();
                if (map) {
                    map.contentWindow.postMessage(JSON.stringify({ type: "change-location", lat: lat.value, lon: lon.value }), "*");
                }
                else {
                    htmx.ajax("PUT", "{{request.env.REQUEST_URI}}", {
                        swap: "none",
                        values: { lat: lat.value, lon: lon.value, gridsquare: gridsquare.value }
                    });
                }
            }
        });
        function latlon2gridsquare()
        {
            const alat = parseFloat(lat.value) + 90;
            const flat = String.fromCharCode(65 + Math.floor(alat / 10));
            const slat = Math.floor(alat % 10);
            const ulat = String.fromCharCode(97 + Math.floor((alat - Math.floor(alat)) * 60 / 2.5));

            const alon = parseFloat(lon.value) + 180;
            const flon = String.fromCharCode(65 + Math.floor(alon / 20));
            const slon = Math.floor((alon / 2) % 10);
            const ulon = String.fromCharCode(97 + Math.floor((alon - 2 * Math.floor(alon / 2)) * 60 / 5));

            gridsquare.value = `${flon}${flat}${slon}${slat}${ulon}${ulat}`;
        }
        function gridsquare2latlon()
        {
            const grid = gridsquare.value;
            lat.value = ((10 * (grid.charCodeAt(1) - 65) + parseInt(grid.charAt(3)) - 90) + (2.5 / 60.0) * (grid.charCodeAt(5) - 97 + 0.5)).toFixed(5);
            lon.value = ((20 * (grid.charCodeAt(0) - 65) + 2 * parseInt(grid.charAt(2)) - 180) + (5.0 / 60.0) * (grid.charCodeAt(4) - 97 + 0.5)).toFixed(5);
        }
    })();
    </script>
</div>