saat-app/flutter/lib/services/stock_service.dart

import '../api/odoo_client.dart';
import '../models/portfolio.dart';
import '../models/saham_transaksi.dart';

/// Layanan domain utk model Odoo saat_invest.
class StockService {
  StockService(this.client);

  final OdooClient client;

  // ---- Saham ----
  Future<List<Saham>> listSaham() async {
    final res = await client.executeKwd(
      'saat.saham',
      'search_read',
      args: [
        [],
        {'fields': ['name', 'perusahaan', 'sector']},
      ],
    );
    return (res as List).map((e) => Saham.fromOdoo(e as Map<String, dynamic>)).toList();
  }

  // ---- Portofolio ----
  Future<List<Portfolio>> listPortofolio() async {
    final res = await client.executeKwd(
      'saat.portofolio',
      'search_read',
      args: [
        [],
        {
          'fields': [
            'saham_id', 'sisa_lembar', 'avg_cost', 'harga_sekarang',
            'nilai_sekarang', 'realized_pl', 'unrealized_pl',
          ]
        },
      ],
    );
    return (res as List).map((e) => Portfolio.fromOdoo(e as Map<String, dynamic>)).toList();
  }

  // ---- Transaksi ----
  Future<List<Transaksi>> listTransaksi() async {
    final res = await client.executeKwd(
      'saat.transaksi',
      'search_read',
      args: [
        [],
        {
          'fields': [
            'tanggal', 'tipe', 'saham_id', 'volume', 'harga', 'fee', 'total'
          ],
          'order': 'tanggal desc, id desc',
        },
      ],
    );
    return (res as List).map((e) => Transaksi.fromOdoo(e as Map<String, dynamic>)).toList();
  }

  Future<int> addTransaksi({
    required int sahamId,
    required String tipe, // buy | sell
    required int volume,
    required double harga,
    required double fee,
    String? tanggal, // 'YYYY-MM-DD'
  }) async {
    final vals = <String, dynamic>{
      'saham_id': sahamId,
      'tipe': tipe,
      'volume': volume,
      'harga': harga,
      'fee': fee,
      if (tanggal != null) 'tanggal': tanggal,
    };
    final res = await client.executeKwd('saat.transaksi', 'create', args: [vals]);
    return (res as num).toInt();
  }

  Future<void> hapusTransaksi(List<int> ids) async {
    await client.executeKwd('saat.transaksi', 'unlink', args: [ids]);
  }
}