#pragma once
#include <QDateTime>
#include <QDesktopServices>
#include <QFile>
#include <QFileDialog>
#include <QFileInfo>
#include <QHBoxLayout>
#include <QLabel>
#include <QLineEdit>
#include <QPushButton>
#include <QUrl>
#include <QWidget>
#include "Message.h"
namespace Psc {
class File_Tool2 : public QWidget {
    Q_OBJECT
public:
    enum class Mode { OpenFile,
                      SaveFile,
                      Directory };
    explicit File_Tool2(const QString& title = {},
                        Mode mode = Mode::OpenFile,
                        QWidget* parent = nullptr) : QWidget(parent), mode_(mode) {
        setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
        title_label = new QLabel(title, this);
        path_edit = new QLineEdit(this);
        path_edit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
        browse_btn = new QPushButton("选择", this);
        browse_btn->setFixedWidth(48);
        open_file_btn = new QPushButton("文件", this);
        open_file_btn->setFixedWidth(40);
        open_dir_btn = new QPushButton("目录", this);
        open_dir_btn->setFixedWidth(40);
        auto layout = new QHBoxLayout(this);
        layout->setContentsMargins(0, 0, 0, 0);
        layout->setSpacing(4);
        if (!title.isEmpty())
            layout->addWidget(title_label);
        layout->addWidget(path_edit);
        layout->addWidget(browse_btn);
        layout->addWidget(open_file_btn);
        layout->addWidget(open_dir_btn);
        // 选择路径
        connect(browse_btn, &QPushButton::clicked, this, [this]() {
            QString selected;
            switch (mode_) {
            case Mode::OpenFile:
                selected = QFileDialog::getOpenFileName(this, "Select File");
                break;
            case Mode::SaveFile:
                selected = QFileDialog::getSaveFileName(this, "Save File");
                break;
            case Mode::Directory:
                selected = QFileDialog::getExistingDirectory(this, "Select Directory");
                break;
            }
            if (!selected.isEmpty()) {
                path_edit->setText(selected);
                emit path_changed(selected);
            }
        });
        // 打开文件
        connect(open_file_btn, &QPushButton::clicked, this, [this]() {
            const QString p = path_edit->text();
            if (p.isEmpty())
                return;
            QFileInfo info(p);
            if (!info.exists() || !info.isFile()) {
                Message::show(Message::error, "文件不存在！",
                              this, 2000, Message::Top_Right);
                return;
            }
            QDesktopServices::openUrl(
            QUrl::fromLocalFile(info.absoluteFilePath()));
        });
        // 打开目录
        connect(open_dir_btn, &QPushButton::clicked, this, [this]() {
            const QString p = path_edit->text();
            if (p.isEmpty())
                return;
            QFileInfo info(p);
            if (!info.exists()) {
                Message::show(Message::error, "目录不存在！",
                              this, 2000, Message::Top_Right);
                return;
            }
            QString dir_path = info.isDir()
            ? info.absoluteFilePath()
            : info.absolutePath();
            QDesktopServices::openUrl(
            QUrl::fromLocalFile(dir_path));
        });
        connect(path_edit, &QLineEdit::editingFinished, this,
                [this]() {
                    emit path_changed(path_edit->text());
                });
    }
    void set_title(const QString& t) {
        title_label->setText(t);
        title_label->setVisible(!t.isEmpty());
    }
    [[nodiscard]] QString path() const {
        return path_edit->text();
    }
    void set_path(const QString& p) {
        path_edit->setText(p);
        emit path_changed(p);
    }
signals:
    void path_changed(const QString&);
private:
    Mode mode_;
    QLabel* title_label{};
    QLineEdit* path_edit{};
    QPushButton* browse_btn{};
    QPushButton* open_file_btn{};
    QPushButton* open_dir_btn{};
};
} // namespace Psc