import 'package:dio/dio.dart';

import '../models/journal_day.dart';
import 'api_client.dart';

class JournalApi {
  final Dio _dio;
  const JournalApi(this._dio);

  /// GET /api/journal/today
  /// Creates today's journal conversation + daily prep on demand if absent,
  /// then returns the day payload.
  Future<JournalDay> getToday() async {
    try {
      final response = await _dio.get('/api/journal/today');
      return JournalDay.fromJson(response.data as Map<String, dynamic>);
    } on DioException catch (e) {
      throw dioToApp(e);
    }
  }

  /// GET /api/journal/day/&lt;iso_date&gt;
  Future<JournalDay> getDay(String isoDate) async {
    try {
      final response = await _dio.get('/api/journal/day/$isoDate');
      return JournalDay.fromJson(response.data as Map<String, dynamic>);
    } on DioException catch (e) {
      throw dioToApp(e);
    }
  }

  /// GET /api/journal/days — list of dates with journal content, newest first.
  Future<List<String>> getDays() async {
    try {
      final response = await _dio.get('/api/journal/days');
      final data = response.data as Map<String, dynamic>;
      final list = data['days'] as List<dynamic>;
      return list.map((e) => e as String).toList();
    } on DioException catch (e) {
      throw dioToApp(e);
    }
  }

  /// POST /api/journal/trigger-prep — force-regenerate today's daily prep
  /// (or a specific day if [isoDate] is given).
  Future<void> triggerPrep({String? isoDate}) async {
    try {
      final body = <String, dynamic>{};
      if (isoDate != null) body['date'] = isoDate;
      await _dio.post('/api/journal/trigger-prep', data: body);
    } on DioException catch (e) {
      throw dioToApp(e);
    }
  }
}