using System;
using System.Collections.Generic;
using SQLite;

namespace Wino.Core.Domain.Entities.Shared;

/// <summary>
/// Back storage for simple name-address book.
/// These values will be inserted during MIME fetch.
/// </summary>

// TODO: This can easily evolve to Contact store, just like People app in Windows 10/11.
// Do it.
public class AccountContact : IEquatable<AccountContact>
{
    /// <summary>
    /// E-mail address of the contact.
    /// </summary>
    [PrimaryKey]
    public string Address { get; set; }

    /// <summary>
    /// Display name of the contact.
    /// </summary>
    public string Name { get; set; }

    /// <summary>
    /// Base64 encoded profile image of the contact.
    /// </summary>
    public string Base64ContactPicture { get; set; }

    /// <summary>
    /// All registered accounts have their contacts registered as root.
    /// Root contacts must not be overridden by any configuration.
    /// They are created on account creation.
    /// </summary>
    public bool IsRootContact { get; set; }

    /// <summary>
    /// Short display name of the contact.
    /// Eather Name or Address.
    /// </summary>
    public string ShortDisplayName => Address == Name || string.IsNullOrWhiteSpace(Name) ? $"{Address.ToLowerInvariant()};" : $"{Name};";

    public string DisplayName => Address == Name || string.IsNullOrWhiteSpace(Name) ? Address.ToLowerInvariant() : $"{Name} <{Address.ToLowerInvariant()}>";

    public override bool Equals(object obj)
    {
        return Equals(obj as AccountContact);
    }

    public bool Equals(AccountContact other)
    {
        return other is not null &&
               Address == other.Address &&
               Name == other.Name;
    }

    public override int GetHashCode()
    {
        int hashCode = -1717786383;
        hashCode = hashCode * -1521134295 + EqualityComparer<string>.Default.GetHashCode(Address);
        hashCode = hashCode * -1521134295 + EqualityComparer<string>.Default.GetHashCode(Name);
        return hashCode;
    }

    public static bool operator ==(AccountContact left, AccountContact right)
    {
        return EqualityComparer<AccountContact>.Default.Equals(left, right);
    }

    public static bool operator !=(AccountContact left, AccountContact right)
    {
        return !(left == right);
    }
}