using Modules.Library.Domain.Entities.Language;
using Modules.Library.Domain.Exceptions.Language;
using Modules.Library.Domain.Gateways;

namespace Modules.Library.Domain.Interactors;

public class LanguageInteractor(ILanguageGateway gateway)
{
    public async Task<Guid> Create(string codeIso2, string name, Guid? iconId)
    {
        if (string.IsNullOrWhiteSpace(name)) throw new ArgumentNullException(name);
        if (await gateway.GetFirstOrDefaultWhere(q => q.Name == name) != null) throw new LanguageIsAlreadyExistException();
        var newLanguage = new Language(codeIso2, name, iconId);
        return await gateway.AddAsync(newLanguage);
    }

    public async Task Edit(Guid languageId, string name, Guid? iconId)
    {
        if (string.IsNullOrWhiteSpace(name)) throw new ArgumentNullException(name);
        var language = await gateway.GetByIdAsync(languageId);
        if (await gateway.GetFirstOrDefaultWhere(q => q.Name == name) != null) throw new LanguageWithSameNameIsAlreadyExistException();
        language.SetName(name);
        language.SetIcon(iconId);
        if (!await gateway.UpdateAsync(language)) throw new Exception("Save unsuccessfull");
    }


    public async Task Delete(Guid languageId)
    {
        var language = await gateway.GetByIdAsync(languageId);
        //await gateway.DeleteAsync(genre);
        if (language.Deleted) throw new Exception("AlreadyDeleted");
        language.SetDeleted();
        if (!await gateway.UpdateAsync(language)) throw new Exception("Save unsuccessfull");
    }
}