#ifndef PAYMENT_MANAGEMENT_DIALOG_H
#define PAYMENT_MANAGEMENT_DIALOG_H

#include <QDialog>
#include <QString>
#include <QTableWidget>
#include <memory>

// Forward declarations
class QPushButton;
class QTabWidget;
class QLabel;
class QLineEdit;
class QTreeWidget;
class QTreeWidgetItem;
class QChartView;
class QChart;
class QBarSeries;
class QPieSeries;
class QSplineSeries;

namespace core {
class HisCore;
}

/**
 * 支付管理对话框
 * 供管理员查看和管理所有的支付记录
 */
class PaymentManagementDialog : public QDialog {
    Q_OBJECT

public:
    explicit PaymentManagementDialog(core::HisCore& core, QWidget* parent = nullptr);

private slots:
    void onRefreshPayments();
    void onRefundPayment();
    void onGenerateDailyReport();
    void onGenerateMonthlyReport();
    void onGenerateRevenueReport();
    void onPaymentSelectionChanged();
    void onFilterByStatus();
    void onTabChanged(int index);
    void onSearchSettlements();

private:
    void setupUI();
    void loadPaymentRecords();
    void loadSettlementRecords();
    void updateStatistics();
    void displayStatistics(const QString& title, const QString& content);
    void updateDailyChart();
    void updateMonthlyChart();
    void updateRevenueChart();

    core::HisCore& core_;

    // UI Components
    QTabWidget* tabWidget_;

    // Payment Tab
    QTableWidget* paymentTable_;
    QPushButton* refreshButton_;
    QPushButton* refundButton_;
    QLabel* statisticsLabel_;
    QLineEdit* statusFilterEdit_;

    // Settlement Tab
    QTreeWidget* settlementTree_;
    QPushButton* settlementRefreshButton_;
    QLineEdit* settlementSearchEdit_;
    QPushButton* settlementSearchButton_;

    // Reports Tab
    QPushButton* dailyReportButton_;
    QPushButton* monthlyReportButton_;
    QPushButton* revenueReportButton_;
    QLabel* reportLabel_;
    
    // Chart components
    QWidget* dailyChartWidget_;
    QWidget* monthlyChartWidget_;
    QWidget* revenueChartWidget_;
};

#endif