using Aegis.Application.Abstractions;
using Aegis.Domain;
using Aegis.Repository.SQLite.Queries;

namespace Aegis.Repository.SQLite.Repositories;

public class UserIdentityRepository(SqliteConnectionFactory factory) : IUserIdentityRepository
{
    public async Task<UserId> GetOrCreateAsync(
        string subject,
        string issuer,
        string? displayName,
        string? email,
        CancellationToken ct)
    {
        await using var conn = factory.Open();
        await using var cmd = conn.CreateCommand();

        cmd.CommandText = UserQueries.GetOrCreate;

        cmd.Parameters.AddWithValue("$user_id", NewId());
        cmd.Parameters.AddWithValue("$created_at", DateTimeOffset.UtcNow.ToUnixTimeSeconds());
        cmd.Parameters.AddWithValue("$sub", subject);
        cmd.Parameters.AddWithValue("$iss", issuer);
        cmd.Parameters.AddWithValue("$display_name", (object?)displayName ?? DBNull.Value);
        cmd.Parameters.AddWithValue("$email", (object?)email ?? DBNull.Value);

        var result = await cmd.ExecuteScalarAsync(ct);
        if (result is null)
            throw new InvalidOperationException("Failed to resolve user_id.");

        return new UserId((string)result);
    }

    private static string NewId()
        => Guid.NewGuid().ToString("N"); // pode trocar por ULID depois
}