window.getRoadColor = function (status) {
    if (status === "Jalan Nasional") {
        return "#dc3545";
    }

    if (status === "Jalan Provinsi") {
        return "#007bff";
    }

    return "#28a745";
};

window.normalizeRoadStatus = function (value) {
    var normalized = String(value || "").trim().toLowerCase();

    if (normalized === "jalan nasional" || normalized === "nasional") {
        return "Jalan Nasional";
    }

    if (normalized === "jalan provinsi" || normalized === "provinsi") {
        return "Jalan Provinsi";
    }

    if (normalized === "jalan kabupaten" || normalized === "kabupaten") {
        return "Jalan Kabupaten";
    }

    return "";
};

window.serializeGeometry = function (latlngs) {
    return JSON.stringify(latlngs.map(function (point) {
        return [
            Number(point.lat.toFixed(6)),
            Number(point.lng.toFixed(6))
        ];
    }));
};

window.parseGeometry = function (geom) {
    try {
        var parsed = JSON.parse(geom);
        return Array.isArray(parsed) ? parsed : [];
    } catch (error) {
        return [];
    }
};

window.collectRoadData = async function () {
    return window.openEditModal({
        title: "Tambah Jalan",
        subtitle: "Lengkapi atribut jalan untuk garis yang sudah digambar.",
        fields: [
            { name: "nama", label: "Nama Jalan", value: "", required: true },
            {
                name: "status",
                label: "Status Jalan",
                type: "select",
                value: "Jalan Nasional",
                options: [
                    { value: "Jalan Nasional", label: "Jalan Nasional" },
                    { value: "Jalan Provinsi", label: "Jalan Provinsi" },
                    { value: "Jalan Kabupaten", label: "Jalan Kabupaten" }
                ]
            }
        ],
        validate: function (data) {
            if (!data.nama || !window.normalizeRoadStatus(data.status)) {
                return "Nama dan status jalan wajib valid.";
            }
            return "";
        }
    });
};

window.buildRoadLayer = function (jalan) {
    var coordinates = window.parseGeometry(jalan.geom).map(function (point) {
        return L.latLng(point[0], point[1]);
    });

    if (coordinates.length < 2) {
        return null;
    }

    return L.polyline(coordinates, {
        color: window.getRoadColor(jalan.status),
        weight: 4
    }).bindPopup(
        "<b>" + window.escapeHtml(jalan.nama) + "</b><br>" +
        "Status: " + window.escapeHtml(jalan.status) + "<br>" +
        "Panjang: " + window.formatMeters(jalan.panjang)
    );
};