#pragma once
#include <QWidget>
#include <QTableView>
#include <QStandardItemModel>
#include <QTreeView>
#include <QLineEdit>
#include <QStackedWidget>
#include <QSpinBox>
#include <QPushButton>
#include <QCheckBox>
#include <QTextBrowser>
#include "extract_basic.h"
#include "TranslateBasic.h"

namespace unit_configurations {
	class SingleBasedConfiguration : public QWidget {
		Q_OBJECT
	private:
		std::shared_ptr<TranslateBasic> _bind_core;
		QSpinBox* const _offset_enter;
		QComboBox* const _delegate_changed;
		QPushButton* const _delegate_sync;
		QTextBrowser* const _content_display;

		std::shared_ptr<extract::SingleBasedUnit> inst_current = nullptr;
		QModelIndex idx_current;

	public:
		SingleBasedConfiguration(std::shared_ptr<TranslateBasic> core, QWidget* p = nullptr);
		void currentAccept(std::shared_ptr<ExtractUnit> inst_u, const QModelIndex& idx);

	signals:
		void reloadRequest();
	};

	/// <summary>
	/// 列表字段配置面板
	/// </summary>
	class ListBasedConfiguration : public QWidget {
		Q_OBJECT
	private:
		std::shared_ptr<TranslateBasic> _bind_core;

		QSpinBox* const _offset_enter;
		QPushButton* const _delegate_sync;
		QComboBox* const _delegate_select;
		QComboBox* const _size_layout_select;
		QStackedWidget* const _configs_stack;
		QTextBrowser* const _content_display;

		QSpinBox* const _const_number_input;
		QComboBox* const _prev_field_refer;

		std::shared_ptr<extract::ListBasedUnit> _bind_u = nullptr;
		std::shared_ptr<ScopeFieldsGetter> _fields_getter = nullptr;
		QModelIndex _bind_index;

	public:
		ListBasedConfiguration(std::shared_ptr<TranslateBasic> core, QWidget* p = nullptr);
		void currentAccept(std::shared_ptr<ExtractUnit> inst_u,
			const QModelIndex& idx, std::shared_ptr<ScopeFieldsGetter> get);

	signals:
		void reloadRequest();
	};

	class UnionBasedConfiguration : public QWidget {
		Q_OBJECT
	private:
		QSpinBox* const _offset_enter;		// 偏移
		QSpinBox* const _size_input;		// 尺寸输入
		QTextEdit* const _context_present;	// 内容展示

		QComboBox* const _match_select;		// 匹配类型
		QComboBox* const _delegate_select;	// 解析代理类型
		QTableView* const _members_present;// 成员代理类型
		QStandardItemModel* const _members_model;

		QComboBox* const _intfield_bind;
		QComboBox* const _compare_op;
		QSpinBox* const _value_enters;

	public:
		UnionBasedConfiguration(std::shared_ptr<TranslateBasic> core, QWidget* p = nullptr);
		void currentAccept(std::shared_ptr<ExtractUnit> inst_u,
			const QModelIndex& idx, std::shared_ptr<ScopeFieldsGetter> get);

	signals:
		void reloadRequest();
	};
}

#include <QStyledItemDelegate>
class UnitSelectDelegate : public QStyledItemDelegate {
private:
	std::shared_ptr<TranslateBasic> _kernel;

public:
	UnitSelectDelegate(std::shared_ptr<TranslateBasic> ins);

	virtual QWidget* createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const override;
	virtual void setEditorData(QWidget* editor, const QModelIndex& index) const override;
	virtual void setModelData(QWidget* editor, QAbstractItemModel* model, const QModelIndex& index) const override;
	virtual void updateEditorGeometry(QWidget* editor, const QStyleOptionViewItem& option, const QModelIndex& index) const override;
};

class ExtractRuleView : public QWidget
{
private:
	std::shared_ptr<TranslateBasic> _basic_bind;

	QTableView* const _member_units;
	QStandardItemModel* const _members_model;
	QStackedWidget* const _configs_stack;

	std::shared_ptr<extract::AsRuleSet> _current_rule;
	std::shared_ptr<FieldManagerLayer> _current_fields_cache = nullptr;

public:
	ExtractRuleView(std::shared_ptr<TranslateBasic> base,
		std::shared_ptr<extract::AsRuleSet> inst_r, QWidget* p = nullptr);

	void reload();
	void appendUnit();

	void dataChanged(QStandardItem* item);

protected:
	void showEvent(QShowEvent* e) override;
};