namespace Dpz.Core.Service.Mediator.Features.Account.Internal;

internal static class AccountRepositoryHelper
{
    internal static async Task<User?> GetUserAsync(
        IRepository<User> repository,
        string account,
        CancellationToken cancellationToken
    )
    {
        var filter = Builders<User>.Filter.Eq(x => x.Id, account);
        return await repository.Collection.Find(filter).FirstOrDefaultAsync(cancellationToken);
    }

    internal static async Task SaveUserHistoryAsync(
        IRepository<UserHistory> userHistoryRepository,
        string account,
        IReadOnlyCollection<ChangeDetail> changes,
        CancellationToken cancellationToken
    )
    {
        if (changes.Count == 0)
        {
            return;
        }

        var history = new UserHistory
        {
            Account = account,
            ChangeTime = DateTime.Now,
            Changes = changes.ToList(),
        };
        await userHistoryRepository.InsertAsync(history, cancellationToken);
    }

    internal static ChangeDetail Change(string field, object? oldValue, object? newValue)
    {
        return new ChangeDetail
        {
            Field = field,
            OldValue = oldValue,
            NewValue = newValue,
        };
    }

    internal static bool IsSystemAccount(User user)
    {
        return user.Permissions.HasValue
            && (user.Permissions.Value & Permissions.System) == Permissions.System;
    }
}