using JetBrains.Annotations;
using System;
using Volo.Abp;
using Volo.Abp.Domain.Entities.Auditing;
using Volo.Abp.Localization;

namespace Sanhe.Abp.LocalizationManagement;

public class Language : AuditedEntity<Guid>, ILanguageInfo
{
    public virtual bool Enable { get; set; }
    public virtual string CultureName { get; protected set; }
    public virtual string UiCultureName { get; protected set; }
    public virtual string DisplayName { get; protected set; }
    public virtual string FlagIcon { get; set; }

    protected Language() { }

    public Language(
        [NotNull] string cultureName,
        [NotNull] string uiCultureName,
        [NotNull] string displayName,
        string flagIcon = null)
    {
        CultureName = Check.NotNullOrWhiteSpace(cultureName, nameof(cultureName), LanguageConsts.MaxCultureNameLength);
        UiCultureName = Check.NotNullOrWhiteSpace(uiCultureName, nameof(uiCultureName), LanguageConsts.MaxUiCultureNameLength);
        DisplayName = Check.NotNullOrWhiteSpace(displayName, nameof(displayName), LanguageConsts.MaxDisplayNameLength);

        FlagIcon = !flagIcon.IsNullOrWhiteSpace()
            ? Check.Length(flagIcon, nameof(flagIcon), LanguageConsts.MaxFlagIconLength)
            : null;

        Enable = true;
    }

    public virtual void ChangeCulture(string cultureName, string uiCultureName = null, string displayName = null)
    {
        ChangeCultureInternal(cultureName, uiCultureName, displayName);
    }

    private void ChangeCultureInternal(string cultureName, string uiCultureName, string displayName)
    {
        CultureName = Check.NotNullOrWhiteSpace(cultureName, nameof(cultureName), LanguageConsts.MaxCultureNameLength);

        UiCultureName = !uiCultureName.IsNullOrWhiteSpace()
            ? Check.Length(uiCultureName, nameof(uiCultureName), LanguageConsts.MaxUiCultureNameLength)
            : cultureName;

        DisplayName = !displayName.IsNullOrWhiteSpace()
            ? Check.Length(displayName, nameof(displayName), LanguageConsts.MaxDisplayNameLength)
            : cultureName;
    }
}