import 'package:logger/logger.dart';

import '../../domain/entities/function_button_config.dart';
import 'bridge_service.dart';
import 'coordination_service.dart';

/// Executes function button actions (F1-F7).
/// Ported from legacy FunctionButtonsService.cs.
class FunctionButtonService {
  final BridgeService _bridgeService;
  final CoordinationService _coordinationService;
  final Logger _logger = Logger();

  FunctionButtonConfig _config = const FunctionButtonConfig();

  FunctionButtonService({
    required BridgeService bridgeService,
    required CoordinationService coordinationService,
  })  : _bridgeService = bridgeService,
        _coordinationService = coordinationService;

  /// Load function button configuration.
  void loadConfig(FunctionButtonConfig config) {
    _config = config;
    _logger.i('Loaded function button config: ${config.walls.length} walls');
  }

  /// Execute all actions for a button on a specific wall.
  /// Actions are executed sequentially (like legacy).
  Future<bool> execute(String wallId, String buttonKey) async {
    final actions = _config.getActions(wallId, buttonKey);
    if (actions.isEmpty) {
      _logger.d('No actions for $buttonKey on wall $wallId');
      return false;
    }

    _logger.i('Executing $buttonKey on wall $wallId (${actions.length} actions)');

    for (final action in actions) {
      try {
        switch (action.type) {
          case FunctionButtonActionType.crossSwitch:
            await _bridgeService.viewerConnectLive(
                action.viewerId, action.sourceId);
            _logger.d(
                'CrossSwitch: viewer ${action.viewerId} -> camera ${action.sourceId}');

          case FunctionButtonActionType.sequenceStart:
            await _coordinationService.startSequence(
                action.viewerId, action.sourceId);
            _logger.d(
                'SequenceStart: viewer ${action.viewerId} -> sequence ${action.sourceId}');
        }
      } catch (e) {
        _logger.e(
            'Function button action failed: ${action.type.name} - $e');
      }
    }

    return true;
  }

  /// Check if a button has actions for a given wall.
  bool hasActions(String wallId, String buttonKey) {
    return _config.hasActions(wallId, buttonKey);
  }
}