import 'package:please_pay_me/data/models/auth_user.dart';
import 'package:please_pay_me/data/models/budget.dart';
import 'package:please_pay_me/data/models/expense.dart';
import 'package:please_pay_me/data/models/job.dart';

/// Contracts the UI depends on. Implemented by the REST backend and by the
/// in-memory demo backend used for previews and tests.
abstract interface class BudgetRepository {
  Future<List<BudgetStatus>> list();

  Future<BudgetStatus> status({int? budgetId});

  Future<BudgetStatus> create({
    required String name,
    required double totalAmount,
    required DateTime endDate,
    DateTime? startDate,
  });

  Future<BudgetStatus> update({
    required int budgetId,
    String? name,
    double? totalAmount,
    DateTime? endDate,
    DateTime? startDate,
    bool resetExpenses = false,
  });

  Future<BudgetStatus> select(int budgetId);

  Future<BudgetStatus> setActive(int budgetId, {required bool isActive});

  Future<void> delete(int budgetId);
}

abstract interface class ExpenseRepository {
  Future<ExpensesPage> page({
    required int page,
    int pageSize = 20,
    int? budgetId,
    bool all = false,
  });

  Future<BudgetStatus> create({
    required double amount,
    String? note,
    DateTime? spentAt,
    int? budgetId,
  });

  Future<double> undoLast({int? budgetId});
}

abstract interface class JobRepository {
  Future<List<Job>> list();

  Future<Job> create({
    required String name,
    required double salaryAmount,
    required List<int> payDays,
    required double firstPayPercent,
    required WeekendPolicy weekendPolicy,
  });

  Future<Job> update({
    required int jobId,
    required String name,
    required double salaryAmount,
    required List<int> payDays,
    required double firstPayPercent,
    required WeekendPolicy weekendPolicy,
    bool isActive = true,
  });

  Future<void> delete(int jobId);
}

abstract interface class UserRepository {
  Future<AuthUser> me();
}