using System.ComponentModel.DataAnnotations;
using Microsoft.AspNetCore.Identity;
using Microsoft.Extensions.Hosting;

namespace Nuuru.Server.Models
{
    public class ApplicationUser : IdentityUser<Guid>
    {
        public ICollection<Booru.Post> BooruPosts { get; set; }
        public ICollection<Booru.Comment> BooruComments { get; set; }
        public ICollection<Forum.ForumThread> ForumThreads { get; set; }
        public ICollection<Forum.ForumPost> ForumPosts { get; set; }
        public string Status { get; set; }
        public string Biography { get; set; }
        public string? BiographyHtml { get; set; }
        public string? AvatarStorageIdentifier { get; set; }
        public string? BackgroundImageStorageIdentifier { get; set; }
        public DateTime DateCreated { get; set; } = DateTime.UtcNow;
        public DateTime? SignupVerificationAvailableAt { get; set; }
        public DateTime? SignupVerificationCompletedAt { get; set; }
        public string? SignupVerificationIpAddress { get; set; }
        public string? SignupVerificationCountryCode { get; set; }
        public string? SignupVerificationRegionCode { get; set; }
        public string? SignupVerificationCity { get; set; }
        public string? SignupVerificationIspAsn { get; set; }
        public string? SignupVerificationIspName { get; set; }
        public ICollection<Notification> Notifications { get; set; }
        public ICollection<UserIp> UserIps { get; set; }
        public ICollection<Ban> Bans { get; set; } = new List<Ban>();
        public ICollection<Booru.PostVote> BooruPostVotes { get; set; } = new List<Booru.PostVote>();
        public ICollection<Booru.PostFavorite> BooruPostFavorites { get; set; } = new List<Booru.PostFavorite>();
        public ICollection<Messaging.ConversationParticipant> ConversationParticipations { get; set; } = [];
        public ICollection<Messaging.Message> Messages { get; set; } = [];
        public bool IsSystemAccount { get; set; } = false;
        public bool IsBabyMode { get; set; } = false;
        public bool IsGeoVerificationPending { get; set; }
        public int ReactionScore { get; set; } = 0;
        public int Boints { get; set; } = 0;
        public int? FeaturedThreadId { get; set; }

        // Boints cosmetics
        [MaxLength(50)]
        public bool HasProfileBorder { get; set; } = false;
        public bool HasRenameImmunity { get; set; } = false;
        public DateTime? RenameImmunityUntil { get; set; }
        [MaxLength(30)]
        public string? ForcedDisplayName { get; set; }
        public DateTime? ForcedDisplayNameUntil { get; set; }
        // Computed temporal checks — use on materialized entities only (not in EF LINQ projections)
        public string? ActiveForcedDisplayName => ForcedDisplayName != null && ForcedDisplayNameUntil > DateTime.UtcNow ? ForcedDisplayName : null;

        public static string? GetAvatarUrl(string? userName, string? avatarStorageIdentifier)
        {
            if (avatarStorageIdentifier == null || string.IsNullOrEmpty(userName))
                return null;

            var hash = avatarStorageIdentifier.Length >= 8
                ? avatarStorageIdentifier[..8]
                : avatarStorageIdentifier;

            return $"/api/user/{userName}/avatar?v={hash}";
        }

        public static string? GetBackgroundImageUrl(string? userName, string? storageId)
        {
            if (storageId == null || string.IsNullOrEmpty(userName))
                return null;

            var hash = storageId.Length >= 8
                ? storageId[..8]
                : storageId;

            return $"/api/user/{userName}/background?v={hash}";
        }
    }

    public class ApplicationRole : IdentityRole<Guid>
    {
        public string? Color { get; set; }
        public int Priority { get; set; } = 0;
    }
}