import 'package:flutter/material.dart';

/// Human-readable labels for each backend tool. Kept in sync with
/// `_TOOL_LABELS` in `fabledassistant/services/generation_task.py` so the
/// mobile chips use the same wording as the web ToolCallCard status pills.
const Map<String, String> _toolLabels = {
  'create_note': 'Created note',
  'update_note': 'Updated note',
  'delete_note': 'Deleted note',
  'create_task': 'Created task',
  'update_task': 'Updated task',
  'delete_task': 'Deleted task',
  'read_note': 'Read note',
  'list_notes': 'Listed notes',
  'list_tasks': 'Searched tasks',
  'search_notes': 'Searched notes',
  'create_event': 'Created event',
  'list_events': 'Searched calendar',
  'search_events': 'Searched calendar',
  'update_event': 'Updated event',
  'delete_event': 'Removed event',
  'list_calendars': 'Listed calendars',
  'search_web': 'Searched the web',
  'research_topic': 'Researched topic',
  'search_images': 'Searched images',
  'create_project': 'Created project',
  'update_project': 'Updated project',
  'list_projects': 'Listed projects',
  'get_project': 'Read project',
  'search_projects': 'Searched projects',
  'create_milestone': 'Created milestone',
  'update_milestone': 'Updated milestone',
  'list_milestones': 'Listed milestones',
  'set_rag_scope': 'Changed knowledge scope',
  'calculate': 'Calculated',
  'read_article': 'Read article',
  'get_profile': 'Read profile',
  'update_profile': 'Updated profile',
  'update_person': 'Updated person',
  'update_place': 'Updated place',
  'add_task_log': 'Logged task progress',
};

IconData _iconFor(String fn) {
  if (fn.contains('note')) return Icons.sticky_note_2_outlined;
  if (fn.contains('task')) return Icons.check_circle_outline;
  if (fn.contains('event') || fn.contains('calendar')) {
    return Icons.event_outlined;
  }
  if (fn.contains('project')) return Icons.folder_outlined;
  if (fn.contains('milestone')) return Icons.flag_outlined;
  if (fn.contains('web') || fn.contains('research') || fn.contains('article')) {
    return Icons.public;
  }
  if (fn.contains('image')) return Icons.image_outlined;
  if (fn.contains('person') || fn.contains('profile')) {
    return Icons.person_outline;
  }
  if (fn.contains('place')) return Icons.place_outlined;
  if (fn.contains('rag') || fn.contains('scope')) return Icons.tune;
  if (fn.contains('calculate')) return Icons.calculate_outlined;
  return Icons.auto_awesome;
}

/// Small status pill rendered inside an assistant message bubble for each
/// tool invocation. Mirrors the web app's ToolCallCard header at a glance —
/// icon + label + success/error tint.
class ToolCallChip extends StatelessWidget {
  final Map<String, dynamic> toolCall;
  const ToolCallChip({super.key, required this.toolCall});

  @override
  Widget build(BuildContext context) {
    final scheme = Theme.of(context).colorScheme;
    final function = (toolCall['function'] as String?) ?? 'tool';
    final status = (toolCall['status'] as String?) ?? 'success';
    final isError = status == 'error';
    final label = _toolLabels[function] ?? function;

    final bg = isError
        ? scheme.errorContainer.withValues(alpha: 0.55)
        : scheme.primary.withValues(alpha: 0.12);
    final fg = isError ? scheme.onErrorContainer : scheme.primary;

    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
      decoration: BoxDecoration(
        color: bg,
        borderRadius: BorderRadius.circular(10),
        border: Border.all(color: fg.withValues(alpha: 0.35), width: 0.5),
      ),
      child: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          Icon(_iconFor(function), size: 13, color: fg),
          const SizedBox(width: 5),
          Text(
            label,
            style: TextStyle(
              fontSize: 11,
              color: fg,
              fontWeight: FontWeight.w500,
            ),
          ),
        ],
      ),
    );
  }
}