#pragma once
#include <QObject>
#include <QString>
#include <string>
#include <vector>

#include "repo/IProjectRepository.hpp"

namespace geopro::controller {

// 导航状态机：编排 IProjectRepository，持有当前 空间/项目 状态，经信号驱动 UI。不持有 widget。
class WorkbenchNavController : public QObject {
    Q_OBJECT
public:
    explicit WorkbenchNavController(data::IProjectRepository& repo, QObject* parent = nullptr);

    void start();  // 启动：拉空间 → 项目 → 结构

    QString currentCrsCode() const { return QString::fromStdString(currentCrsCode_); }

public slots:
    void switchWorkspace(const QString& tenantId);
    void switchProject(const QString& projectId);
    void selectTm(const QString& tmObjectId);
    void loadMoreData();
    void loadMoreFiles();

signals:
    void busyChanged(bool busy);
    void workspacesLoaded(const std::vector<geopro::data::Workspace>& list, const QString& currentId);
    void projectsLoaded(const std::vector<geopro::data::ProjectSummary>& list,
                        const QString& currentId, int total);
    void structureLoaded(const QString& projectName, const std::vector<geopro::data::StructNode>& nodes);
    void datasetsLoaded(const QString& tmObjectId, const std::vector<geopro::data::DsRow>& rows,
                        int total, bool append);
    void filesLoaded(const QString& tmObjectId, const std::vector<geopro::data::DsRow>& rows,
                     int total, bool append);
    void loadFailed(const QString& stage, const QString& message);

private:
    void loadProjectsAndStructure();  // start + switchWorkspace 共用

    data::IProjectRepository& repo_;
    bool busy_ = false;
    std::vector<data::ProjectSummary> lastProjects_;
    std::string currentWorkspaceId_, currentProjectId_, currentProjectName_, currentCrsCode_;
    std::string currentTmId_;
    int dataPageNo_ = 0;
    int filePageNo_ = 0;
    int dataTotal_ = 0;
    int fileTotal_ = 0;
};

}  // namespace geopro::controller