import 'catalog_tools.dart';
import 'habit_tools.dart';
import 'tool_definition.dart';
import 'tracker_tools.dart';

/// Static registry of all tools exposed to the LLM.
///
/// Order is the order surfaced to the model (`flutter_gemma` preserves the
/// list). Read-only tools first, then destructive — mirrors a "look before
/// you leap" prompt bias.
final List<ToolDefinition> kAllTools = [
  // read-only
  searchCatalogTool,
  queryProtocolTool,
  listActiveHabitsTool,
  getStreakTool,
  // destructive (confirm gate)
  addHabitTool,
  logTrackerEntryTool,
];

class ToolRegistry {
  final Map<String, ToolDefinition> _byName;

  ToolRegistry(List<ToolDefinition> tools)
      : _byName = {for (final t in tools) t.name: t};

  factory ToolRegistry.defaults() => ToolRegistry(kAllTools);

  ToolDefinition? byName(String name) => _byName[name];

  Iterable<ToolDefinition> get all => _byName.values;
}