import 'dart:convert';

import 'package:brick_offline_first_with_supabase/brick_offline_first_with_supabase.dart';
import 'package:brick_supabase/brick_supabase.dart';

import '../utils/app_time.dart';

/// Event log for a programmer task. Mirrors [TaskActivityLog] but keyed to
/// `programmer_tasks`. `actionType` values: created, started, paused, resumed,
/// completed, cancelled, assigned, reassigned.
@ConnectOfflineFirstWithSupabase(
  supabaseConfig: SupabaseSerializable(tableName: 'programmer_task_activity_logs'),
)
class ProgrammerTaskActivityLog extends OfflineFirstWithSupabaseModel {
  final String id;
  final String taskId;
  final String? actorId;
  final String actionType;
  final Map<String, dynamic>? meta;
  final DateTime createdAt;

  ProgrammerTaskActivityLog({
    required this.id,
    required this.taskId,
    this.actorId,
    required this.actionType,
    this.meta,
    required this.createdAt,
  });

  factory ProgrammerTaskActivityLog.fromMap(Map<String, dynamic> map) {
    final id = map['id'] == null ? '' : map['id'].toString();
    final taskId = map['task_id'] == null ? '' : map['task_id'].toString();
    final actorId = map['actor_id']?.toString();
    final actionType = (map['action_type'] as String?) ?? 'unknown';

    Map<String, dynamic>? meta;
    final rawMeta = map['meta'];
    if (rawMeta is Map<String, dynamic>) {
      meta = rawMeta;
    } else if (rawMeta is Map) {
      meta = rawMeta.map((k, v) => MapEntry(k.toString(), v));
    } else if (rawMeta is String && rawMeta.isNotEmpty) {
      try {
        final decoded = jsonDecode(rawMeta);
        if (decoded is Map) {
          meta = decoded.map((k, v) => MapEntry(k.toString(), v));
        }
      } catch (_) {
        meta = null;
      }
    }

    final rawCreated = map['created_at'];
    DateTime createdAt;
    if (rawCreated is DateTime) {
      createdAt = AppTime.toAppTime(rawCreated);
    } else if (rawCreated is String) {
      try {
        createdAt = AppTime.parse(rawCreated);
      } catch (_) {
        createdAt = AppTime.now();
      }
    } else {
      createdAt = AppTime.now();
    }

    return ProgrammerTaskActivityLog(
      id: id,
      taskId: taskId,
      actorId: actorId,
      actionType: actionType,
      meta: meta,
      createdAt: createdAt,
    );
  }
}