using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;

namespace QuestionsApi.Models;

public static class ExternalAuthProviders
{
    public const string Steam = "steam";
    public const string Google = "google";

    public static bool Supported(string provider) => provider is Steam or Google;
}

public sealed class ExternalIdentity
{
    [BsonId]
    [BsonRepresentation(BsonType.ObjectId)]
    public string Id { get; set; } = ObjectId.GenerateNewId().ToString();
    public string UserId { get; set; } = "";
    public string Provider { get; set; } = "";
    public string Subject { get; set; } = "";
    public string? Email { get; set; }
    public bool EmailVerified { get; set; }
    public DateTime CreatedUtc { get; set; }
    public DateTime LastUsedUtc { get; set; }
}

public sealed class ExternalAuthTransaction
{
    [BsonId] public string Id { get; set; } = "";
    public string Provider { get; set; } = "";
    public string Purpose { get; set; } = "login";
    public string Status { get; set; } = "pending";
    public string? Subject { get; set; }
    public string? ProviderEmail { get; set; }
    public bool EmailVerified { get; set; }
    public string? UserId { get; set; }
    public string? Nonce { get; set; }
    public string? CodeVerifier { get; set; }
    public string? Error { get; set; }
    public DateTime CreatedUtc { get; set; }
    public DateTime ExpiresUtc { get; set; }
}

public sealed class ExternalAuthStartRequest
{
    public string Purpose { get; set; } = "login";
}

public sealed class CompleteExternalAuthRequest
{
    public string TransactionId { get; set; } = "";
    public string Action { get; set; } = "";
    public string Username { get; set; } = "";
    public string? Email { get; set; }
    public string Password { get; set; } = "";
    public bool AcceptLegal { get; set; }
}

public sealed record ExternalProviderClaims(
    string Subject,
    string? Email,
    bool EmailVerified);