{{define "title"}}
Global Firewall Lists
{{end}}

{{define "top_css"}}
{{end}}

{{define "username"}}
{{.username}}
{{end}}

{{define "page_title"}}
Global Firewall Lists
{{end}}

{{define "page_content"}}
<section class="content">
    <div class="container-fluid">
        <div class="row">
            <div class="col-md-12">
                <div class="card card-warning">
                    <div class="card-header">
                        <h3 class="card-title">Host-wide Allow / Block Lists</h3>
                    </div>
                    <div class="card-body">
                        <p class="text-muted">
                            These entries are NOT scoped to a single WireGuard server - they apply to
                            <strong>all traffic on this host</strong>, evaluated before every per-server
                            firewall table (nftables priority -10). Allow entries always win over block entries.
                            Nothing is applied until you press "Apply now (live)".
                        </p>

                        <table class="table table-sm" id="_iplist_table">
                            <thead>
                                <tr><th>Type</th><th>CIDR / IP</th><th>Comment</th><th></th></tr>
                            </thead>
                            <tbody id="_iplist_tbody"></tbody>
                        </table>

                        <form id="frm_iplist_entry" class="form-inline">
                            <select class="form-control form-control-sm mr-1 mb-1" id="_iplist_type">
                                <option value="block">block</option>
                                <option value="allow">allow</option>
                            </select>
                            <input type="text" class="form-control form-control-sm mr-1 mb-1" id="_iplist_cidr" placeholder="e.g. 203.0.113.0/24" style="width:14em">
                            <input type="text" class="form-control form-control-sm mr-1 mb-1" id="_iplist_comment" placeholder="comment" style="width:14em">
                            <button type="submit" class="btn btn-primary btn-sm mb-1">Add entry</button>
                        </form>

                        <hr>
                        <p><a data-toggle="collapse" href="#collapse_bulk_import" role="button" aria-expanded="false" aria-controls="collapse_bulk_import">Bulk import &#9660;</a></p>
                        <div class="collapse" id="collapse_bulk_import">
                            <div class="card card-body">
                                <form id="frm_iplist_import">
                                    <div class="form-group">
                                        <label for="_iplist_import_type">List type for this batch</label>
                                        <select class="form-control form-control-sm" id="_iplist_import_type" style="width:10em">
                                            <option value="block">block</option>
                                            <option value="allow">allow</option>
                                        </select>
                                    </div>
                                    <div class="form-group">
                                        <label for="_iplist_import_text">Entries (one CIDR/IP per line)</label>
                                        <textarea class="form-control" id="_iplist_import_text" rows="10"
                                            placeholder="One CIDR or IP per line. Optional comment after '#'.&#10;Blank lines and lines starting with '#' are ignored.&#10;&#10;203.0.113.0/24&#10;198.51.100.5 # known scanner&#10;# this whole line is a comment"></textarea>
                                    </div>
                                    <button type="submit" class="btn btn-primary btn-sm">Import</button>
                                </form>
                            </div>
                        </div>

                        <hr>
                        <p class="text-muted mb-1">Ruleset preview:</p>
                        <pre id="_iplist_preview_text" style="max-height: 30vh; overflow:auto;"></pre>

                        <button type="button" class="btn btn-danger" id="btn_apply_global_firewall">Apply now (live)</button>
                    </div>
                </div>
            </div>
        </div>
    </div>
</section>
{{end}}

{{define "bottom_js"}}
<script>
    function refreshGlobalPreview() {
        $("#_iplist_preview_text").text("Loading...");
        $.ajax({
            cache: false,
            method: 'GET',
            url: '{{.basePath}}/firewall-lists/preview',
            dataType: 'text',
            success: function (data) { $("#_iplist_preview_text").text(data); },
            error: function () { $("#_iplist_preview_text").text("Could not load preview."); }
        });
    }

    function renderIPList(entries) {
        const tbody = $("#_iplist_tbody");
        tbody.empty();
        $.each(entries, function (i, entry) {
            const safeCidr = $('<div>').text(entry.cidr).html();
            const safeComment = $('<div>').text(entry.comment || "").html();
            const row = `<tr>
                <td>${entry.list_type}</td>
                <td>${safeCidr}</td>
                <td>${safeComment}</td>
                <td><button type="button" class="btn btn-outline-danger btn-sm btn-delete-iplist" data-id="${entry.id}">Delete</button></td>
            </tr>`;
            tbody.append(row);
        });
    }

    function loadIPList() {
        $.ajax({
            cache: false,
            method: 'GET',
            url: '{{.basePath}}/firewall-lists/entries',
            dataType: 'json',
            success: function (entries) { renderIPList(entries); },
            error: function (jqXHR) {
                const responseJson = jQuery.parseJSON(jqXHR.responseText);
                toastr.error(responseJson['message']);
            }
        });
    }

    $(document).ready(function () {
        loadIPList();
        refreshGlobalPreview();

        $("#frm_iplist_entry").on('submit', function (e) {
            e.preventDefault();
            const data = {
                list_type: $("#_iplist_type").val(),
                cidr: $("#_iplist_cidr").val(),
                comment: $("#_iplist_comment").val()
            };
            $.ajax({
                cache: false,
                method: 'POST',
                url: '{{.basePath}}/firewall-lists/entries',
                dataType: 'json',
                contentType: "application/json",
                data: JSON.stringify(data),
                success: function () {
                    toastr.success("Entry added");
                    $("#frm_iplist_entry")[0].reset();
                    loadIPList();
                    refreshGlobalPreview();
                },
                error: function (jqXHR) {
                    const responseJson = jQuery.parseJSON(jqXHR.responseText);
                    toastr.error(responseJson['message']);
                }
            });
        });

        $("#frm_iplist_import").on('submit', function (e) {
            e.preventDefault();
            const data = {
                list_type: $("#_iplist_import_type").val(),
                text: $("#_iplist_import_text").val()
            };
            $.ajax({
                cache: false,
                method: 'POST',
                url: '{{.basePath}}/firewall-lists/entries/import',
                dataType: 'json',
                contentType: "application/json",
                data: JSON.stringify(data),
                success: function (result) {
                    let summary = "Imported " + result.imported + ", skipped " + result.skipped_duplicates + " duplicates";
                    if (result.invalid_count > 0) {
                        summary += ", " + result.invalid_count + " invalid lines";
                        console.warn("Bulk import invalid lines:", result.invalid_lines);
                        toastr.warning(summary);
                    } else {
                        toastr.success(summary);
                    }
                    $("#_iplist_import_text").val("");
                    loadIPList();
                    refreshGlobalPreview();
                },
                error: function (jqXHR) {
                    const responseJson = jQuery.parseJSON(jqXHR.responseText);
                    toastr.error(responseJson['message'] || "Import failed");
                }
            });
        });

        $("#_iplist_tbody").on('click', '.btn-delete-iplist', function () {
            const id = $(this).data('id');
            if (!confirm("Delete this entry?")) return;
            $.ajax({
                cache: false,
                method: 'POST',
                url: '{{.basePath}}/firewall-lists/entries/' + id + '/delete',
                dataType: 'json',
                contentType: "application/json",
                success: function () {
                    toastr.success("Entry deleted");
                    loadIPList();
                    refreshGlobalPreview();
                },
                error: function (jqXHR) {
                    const responseJson = jQuery.parseJSON(jqXHR.responseText);
                    toastr.error(responseJson['message']);
                }
            });
        });

        $("#btn_apply_global_firewall").click(function () {
            if (!confirm("Apply the global allow/block lists to the live firewall now?\n" +
                "This runs 'nft -f' on the server, scoped to the dedicated wireguard_ui_global table only, " +
                "but it affects ALL traffic on this host, not just WireGuard.")) {
                return;
            }
            $.ajax({
                cache: false,
                method: 'POST',
                url: '{{.basePath}}/firewall-lists/apply',
                dataType: 'json',
                contentType: "application/json",
                success: function (data) {
                    toastr.success(data.message);
                    if (data.output) { $("#_iplist_preview_text").text(data.output); }
                },
                error: function (jqXHR) {
                    const responseJson = jQuery.parseJSON(jqXHR.responseText);
                    toastr.error(responseJson['message'] || "Failed to apply");
                    if (responseJson['output']) { $("#_iplist_preview_text").text(responseJson['output']); }
                }
            });
        });
    });
</script>
{{end}}