#include "panels/DatasetDetailPanel.hpp"

#include <utility>

#include "panels/DatasetDetailPage.hpp"
namespace geopro::app {

void DatasetDetailPanel::setColorTemplateRepo(geopro::data::IColorTemplateRepository* repo,
                                              std::function<QString()> projectIdGetter) {
    colorTplRepo_ = repo;
    projectIdGetter_ = std::move(projectIdGetter);
}

void DatasetDetailPanel::setCommandRepo(geopro::data::IDatasetCommandRepository* repo) {
    cmdRepo_ = repo;
}

DatasetDetailPanel::DatasetDetailPanel(QWidget* parent) : QTabWidget(parent) {
    setTabsClosable(true);
    connect(this, &QTabWidget::tabCloseRequested, this, [this](int i) { widget(i)->deleteLater(); });
    connect(this, &QTabWidget::currentChanged, this, [this](int i) {
        if (auto* p = qobject_cast<DatasetDetailPage*>(widget(i)))
            emit activeDatasetChanged(p->dsId());
    });
}

DatasetDetailPage* DatasetDetailPanel::pageFor(const QString& dsId) const {
    for (int i = 0; i < count(); ++i)
        if (auto* p = qobject_cast<DatasetDetailPage*>(widget(i)))
            if (p->dsId() == dsId) return p;
    return nullptr;
}

void DatasetDetailPanel::onDatasetOpened(const QString& dsId, const QString& ddCode,
                                         const QString& dsName, const QString& tmObjectId,
                                         const std::vector<geopro::controller::TabSpec>& tabs) {
    auto* p = pageFor(dsId);
    if (!p) {
        p = new DatasetDetailPage(this);
        // 注入须在 build 前（build 内造视图时即透传给工厂）。
        p->setColorTemplateRepo(colorTplRepo_, projectIdGetter_);
        p->setCommandRepo(cmdRepo_);
        p->setTmObjectId(tmObjectId);  // 白化 structParentId（build 前设置 → 透传给视图）
        p->build(dsId, ddCode, dsName, tabs);  // ddCode 透传 → 页内 tabNeeded 携带
        const QString title = dsName.isEmpty() ? dsId : dsName;  // 页签标题用数据名（空则回退 id）
        const int idx = addTab(p, title);
        setTabToolTip(idx, title);  // 名称过长被省略时悬停可见全名
        // 页内 lazy 页签首次激活 → 冒泡为面板信号（外部接控制器 loadTab）。
        connect(p, &DatasetDetailPage::tabNeeded, this, &DatasetDetailPanel::tabNeeded);
        // 页内分页器翻页 → 冒泡为面板信号（外部接控制器 loadTabPaged）。
        connect(p, &DatasetDetailPage::tabPageNeeded, this, &DatasetDetailPanel::tabPageNeeded);
    }
    setCurrentWidget(p);
}

void DatasetDetailPanel::onTabReady(const QString& dsId, int tabIndex, const QVariant& payload) {
    if (auto* p = pageFor(dsId)) p->setTabPayload(tabIndex, payload);
}

void DatasetDetailPanel::onTabLoadStarted(const QString& dsId, int tabIndex) {
    if (auto* p = pageFor(dsId)) p->setTabLoading(tabIndex, true);
}

void DatasetDetailPanel::onLoadFailed(const QString& dsId, const QString&) {
    // 失败：清掉该页全部「加载中」遮罩（不假设页签数；幂等：非 lazy/已隐藏皆无害）。
    if (auto* p = pageFor(dsId)) p->clearAllLoadingOverlays();
}

void DatasetDetailPanel::focusDataset(const QString& dsId) {
    if (auto* p = pageFor(dsId)) setCurrentWidget(p);
}
}  // namespace geopro::app