/// The output-dock builtin (T-54 / D-87): contributes the Output tab + the
/// merged health/toggle status-bar widget, and the `dock.toggle` command.
library;

import 'package:clide/builtin/output/src/dock_status_item.dart';
import 'package:clide/builtin/output/src/output_view.dart';
import 'package:clide/clide.dart';
import 'package:clide/extension/extension.dart';
import 'package:clide/kernel/kernel.dart';

class OutputExtension extends ClideExtension {
  ClideExtensionContext? _ctx;

  @override
  String get id => 'builtin.output';
  @override
  String get title => 'Output';
  @override
  String get version => '0.1.0';

  /// The dock slot is registered by the default-layout preset; depend on it so
  /// the slot exists before this tab contributes.
  @override
  List<String> get dependsOn => const ['builtin.default-layout'];

  @override
  Future<void> activate(ClideExtensionContext ctx) async {
    _ctx = ctx;
  }

  @override
  List<ContributionPoint> get contributions => [
        TabContribution(
          id: 'output.panel',
          slot: Slots.dock,
          title: 'Output',
          priority: -100, // sort before Problems in the dock tab bar
          build: (ctx) => OutputView(ring: ClideKernel.of(ctx).logRing),
        ),
        StatusItemContribution(
          id: 'output.dock-toggle',
          priority: 100, // right group, replacing the old app-status item
          build: (_) => const DockStatusItem(),
        ),
        CommandContribution(
          id: 'dock.toggle',
          command: 'dock.toggle',
          title: 'Toggle output dock',
          defaultBinding: 'ctrl+j',
          run: (_) async {
            final ctx = _ctx;
            if (ctx == null) return IpcResponse.ok(id: '', data: const {});
            final a = ctx.arrangement;
            final opening = !a.isVisible(Slots.dock);
            a.setVisible(Slots.dock, opening);
            if (opening && ctx.panels.activeTabIn(Slots.dock) == null) {
              ctx.panels.activateTab(Slots.dock, 'output.panel');
            }
            return IpcResponse.ok(id: '', data: {'dock': opening});
          },
        ),
      ];
}