using System.ComponentModel.DataAnnotations.Schema;
using System.Security.Claims;
using System.Security.Cryptography;
using System.Text;
using AspNetCore.Authentication.ApiKey;
using AutoMapPropertyHelper;
using NejCommon.Models;
using NejCommon.Validation;

namespace NejCommon.Models;

public partial class ApiKey : IApiKey
{
    [AutoMapProperty("Response")]
    public string Id { get; set; } = NanoidDotNet.Nanoid.Generate(size: 64);
    [StandardText]
    [AutoMapProperty("Request")]
    public string Name { get; set; } = null!;
    public byte[] LookupHash { get; set; } = null!;
    public string KeyHash { get; set; } = null!;

    [AutoMapProperty("Response")]
    public bool Revoked { get; set; }

    [NotMapped]
    public string key = "";
    [NotMapped]
    [AutoMapProperty("CreateResponse")]
    public string Key
    {
        get => key;
        set
        {
            key = value;
            LookupHash = ComputeLookupHash(value);
            KeyHash = ComputeStrongHash(value);
        }
    }
    [NotMapped]
    public string OwnerName => Id;
    [NotMapped]
    public IReadOnlyCollection<Claim> Claims => [
        new Claim(ClaimTypes.NameIdentifier, Id),
        new Claim(ClaimTypes.Name, Name)
    ];

    public static byte[] ComputeLookupHash(string key)
    {
        using var sha256 = SHA256.Create();
        return sha256.ComputeHash(Encoding.UTF8.GetBytes(key));
    }
    public static string ComputeStrongHash(string key)
    {
        return BCrypt.Net.BCrypt.EnhancedHashPassword(key);
    }
    public bool VerifyStrongHash(string key){
        return BCrypt.Net.BCrypt.EnhancedVerify(key, KeyHash);
    }
}

public partial class ApiKeyResponse : ApiKeyRequest {}
public partial class ApiKeyCreateResponse : ApiKeyResponse {}