namespace TaxBaik.Application.Services;

using TaxBaik.Domain.Entities;
using TaxBaik.Domain.Interfaces;

public class FaqService(IFaqRepository repository)
{
    public static readonly string[] Categories =
        ["기장·세금신고", "부동산", "증여·상속", "기타"];

    public async Task<IEnumerable<Faq>> GetActiveAsync(CancellationToken ct = default) =>
        await repository.GetActiveAsync(ct);

    public async Task<IEnumerable<Faq>> GetAllAsync(CancellationToken ct = default) =>
        await repository.GetAllAsync(ct);

    public async Task<Faq?> GetByIdAsync(int id, CancellationToken ct = default) =>
        await repository.GetByIdAsync(id, ct);

    public async Task<int> CreateAsync(Faq faq, CancellationToken ct = default)
    {
        Validate(faq);
        return await repository.CreateAsync(faq, ct);
    }

    public async Task UpdateAsync(Faq faq, CancellationToken ct = default)
    {
        Validate(faq);
        await repository.UpdateAsync(faq, ct);
    }

    public async Task DeleteAsync(int id, CancellationToken ct = default) =>
        await repository.DeleteAsync(id, ct);

    private static void Validate(Faq faq)
    {
        if (string.IsNullOrWhiteSpace(faq.Question))
            throw new ValidationException("질문을 입력하세요.");
        if (string.IsNullOrWhiteSpace(faq.Answer))
            throw new ValidationException("답변을 입력하세요.");
    }
}