// src/screens/algo_trading/ScannerPanel.h
#pragma once
#include "services/algo_trading/AlgoTradingTypes.h"
#include "ui/widgets/algo/ConditionSection.h"
#include "ui/widgets/algo/SymbolChipInput.h"

#include <QComboBox>
#include <QEvent>
#include <QJsonArray>
#include <QLabel>
#include <QLineEdit>
#include <QPushButton>
#include <QSpinBox>
#include <QTableWidget>
#include <QTextEdit>
#include <QVBoxLayout>
#include <QWidget>

namespace fincept::screens {

/// Market scanner — find symbols matching condition rules.
class ScannerPanel : public QWidget {
    Q_OBJECT
  public:
    explicit ScannerPanel(QWidget* parent = nullptr);

  signals:
    void create_alert_requested(const QJsonArray& conditions, const QString& logic, const QStringList& symbols,
                                const QString& timeframe, const QString& data_source, const QString& account_id);

  private slots:
    void on_scan();
    void on_scan_result(const QJsonObject& data);
    void on_error(const QString& context, const QString& msg);

  protected:
    void changeEvent(QEvent* event) override;

  private:
    void build_ui();
    void connect_service();
    void apply_preset(int index);
    void retranslateUi();
    void rebuild_range_options();
    void prefill_close_from_price(const QString& symbol, double price);

    fincept::ui::algo::ConditionSection* section_ = nullptr;
    fincept::ui::algo::SymbolChipInput* symbols_input_ = nullptr;
    QComboBox* timeframe_combo_ = nullptr;
    QComboBox* range_combo_ = nullptr;
    QComboBox* preset_combo_ = nullptr;
    QComboBox* data_source_combo_ = nullptr;
    QComboBox* account_combo_ = nullptr;
    QTableWidget* results_table_ = nullptr;
    QLabel* status_label_ = nullptr;

    // Static text-bearing widgets cached for retranslateUi.
    QLabel* cond_title_ = nullptr;
    QLabel* preset_lbl_ = nullptr;
    QLabel* sym_title_ = nullptr;
    QLabel* sym_lbl_ = nullptr;
    QLabel* tf_lbl_ = nullptr;
    QLabel* range_lbl_ = nullptr;
    QLabel* ds_lbl_ = nullptr;
    QLabel* acct_lbl_ = nullptr;
    QPushButton* scan_btn_ = nullptr;
    QLabel* results_title_ = nullptr;
};

} // namespace fincept::screens