#include "api/DatasetLoadHandles.hpp"
#include <stdexcept>

namespace geopro::data {

namespace {
QString reasonOf(const geopro::net::ApiResponse& r) {
    return r.msg.isEmpty() ? r.rawError : r.msg;
}
}  // namespace

ApiDetailLoad::ApiDetailLoad(geopro::net::ApiBatch* batch, Parser parse, QObject* parent)
    : DetailLoad(parent), batch_(batch), parse_(std::move(parse)) {
    QObject::connect(batch, &geopro::net::ApiBatch::succeeded, this,
                     [this](const QList<geopro::net::ApiResponse>& resps) {
        if (aborted_) return;                       // §5.0
        QVariant payload;
        try {
            payload = parse_(resps);                // 仅解析在 try 内：下游 done 处理器抛出不应误报为解析失败
        } catch (const std::exception& e) {
            emit failed(QString::fromUtf8(e.what()));
            deleteLater();
            return;
        } catch (...) {                             // 非 std 异常跨信号槽会 terminate，兜底转 failed
            emit failed(QStringLiteral("解析失败：未知异常"));
            deleteLater();
            return;
        }
        emit done(payload);
        deleteLater();
    });
    QObject::connect(batch, &geopro::net::ApiBatch::failed, this,
                     [this](int, const geopro::net::ApiResponse& r) {
        if (aborted_) return;
        emit failed(reasonOf(r));
        deleteLater();
    });
}

void ApiDetailLoad::abort() {
    if (aborted_) return;
    aborted_ = true;
    if (batch_) batch_->abort();
    deleteLater();
}

}  // namespace geopro::data