using System.Text.Json.Serialization;

namespace CORP_MAUI.Models;

/// <summary>
/// Модель поста/новости
/// </summary>
public class Post
{
    public int Id { get; set; }
    
    [JsonPropertyName("title")]
    public string Title { get; set; } = string.Empty;
    
    [JsonPropertyName("text")]
    public string? Text { get; set; }

    private string _content = string.Empty;
    [JsonPropertyName("body")]
    public string Content 
    { 
        get => !string.IsNullOrWhiteSpace(_content) ? _content : (Text ?? string.Empty); 
        set => _content = value; 
    }
    
    [JsonPropertyName("image_url")]
    public string? ImageUrl { get; set; }
    
    [JsonPropertyName("image")]
    public string? Image { get; set; }

    [JsonIgnore]
    public string? DisplayImageUrl
    {
        get
        {
            string? url = !string.IsNullOrEmpty(ImageUrl) ? ImageUrl : Image;
            if (string.IsNullOrEmpty(url)) return null;
            
            // Handle protocol-relative URLs (e.g. //cdn.com/img.jpg)
            if (url.StartsWith("//"))
            {
                return $"https:{url}";
            }

            // Если ссылка уже абсолютная - возвращаем как есть
            if (url.StartsWith("http", StringComparison.OrdinalIgnoreCase)) return url;
            
            // Если ссылка относительная - добавляем домен
            string cleanUrl = url.TrimStart('/');
            return $"https://corp.robotail.pro/{cleanUrl}";
        }
    }

    [JsonPropertyName("date")]
    public DateTime? Date { get; set; }

    [JsonIgnore]
    public DateTime DisplayDate => (CreatedAt.Year > 2000 ? CreatedAt : (Date ?? DateTime.Now)).ToLocalTime();
    
    public User? Author { get; set; }
    
    [JsonPropertyName("created_at")]
    public DateTime CreatedAt { get; set; }
    
    [JsonPropertyName("updated_at")]
    public DateTime UpdatedAt { get; set; }
    
    [JsonPropertyName("likes_count")]
    public int LikesCount { get; set; }
    
    [JsonPropertyName("comments_count")]
    public int CommentsCount { get; set; }
    
    public List<string> Tags { get; set; } = new();
}