using Data.SeaHavenIndustries;

namespace SeaHaven.DataServices.Interfaces
{
    public interface IAccountDataService
    {
        Task<Accounts?> GetByIdAsync(int id);
        Task<Accounts?> GetByIdWithDetailsAsync(int id);
        Task<IEnumerable<Accounts>> GetAllAsync();
        Task<(IEnumerable<Accounts> Items, int TotalCount)> GetPagedAsync(int page, int pageSize, string? search = null);
        Task<Accounts> AddAsync(Accounts account);
        Task UpdateAsync(Accounts account);
        Task DeleteAsync(int id);
        Task<bool> ExistsAsync(int id);
        Task<bool> ExistsActiveAsync(int id, CancellationToken cancellationToken = default);
        Task<int> CountAsync();

        /// <summary>
        /// Returns the id when exactly one non-deleted account has this exact Name
        /// (same rule as SH-221 backfill). Null when name is blank, zero matches, or ambiguous.
        /// </summary>
        Task<int?> TryGetUniqueActiveIdByExactNameAsync(
            string? name,
            CancellationToken cancellationToken = default);
    }
}