// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
// SPDX-License-Identifier: GPL-3.0+

#pragma once

#include "common/SettingsInterface.h"

#include <array>

class LayeredSettingsInterface final : public SettingsInterface
{
public:
	enum Layer : u32
	{
		LAYER_CMDLINE,
		LAYER_GAME,
		LAYER_INPUT,
		LAYER_BASE,
		NUM_LAYERS
	};

	LayeredSettingsInterface();
	~LayeredSettingsInterface() override;

	SettingsInterface* GetLayer(Layer layer) const { return m_layers[layer]; }
	void SetLayer(Layer layer, SettingsInterface* sif) { m_layers[layer] = sif; }

	bool Save(Error* error = nullptr) override;

	void Clear() override;

	bool IsEmpty() override;

	bool GetIntValue(const char* section, const char* key, int* value) const override;
	bool GetUIntValue(const char* section, const char* key, uint* value) const override;
	bool GetFloatValue(const char* section, const char* key, float* value) const override;
	bool GetDoubleValue(const char* section, const char* key, double* value) const override;
	bool GetBoolValue(const char* section, const char* key, bool* value) const override;
	bool GetStringValue(const char* section, const char* key, std::string* value) const override;
	bool GetStringValue(const char* section, const char* key, SmallStringBase* value) const override;

	void SetIntValue(const char* section, const char* key, int value) override;
	void SetUIntValue(const char* section, const char* key, uint value) override;
	void SetFloatValue(const char* section, const char* key, float value) override;
	void SetDoubleValue(const char* section, const char* key, double value) override;
	void SetBoolValue(const char* section, const char* key, bool value) override;
	void SetStringValue(const char* section, const char* key, const char* value) override;
	bool ContainsValue(const char* section, const char* key) const override;
	void DeleteValue(const char* section, const char* key) override;
	void ClearSection(const char* section) override;
	void RemoveSection(const char* section) override;
	void RemoveEmptySections() override;

	std::vector<std::string> GetStringList(const char* section, const char* key) const override;
	void SetStringList(const char* section, const char* key, const std::vector<std::string>& items) override;
	bool RemoveFromStringList(const char* section, const char* key, const char* item) override;
	bool AddToStringList(const char* section, const char* key, const char* item) override;

	std::vector<std::pair<std::string, std::string>> GetKeyValueList(const char* section) const override;
	void SetKeyValueList(const char* section, const std::vector<std::pair<std::string, std::string>>& items) override;

	// default parameter overloads
	using SettingsInterface::GetBoolValue;
	using SettingsInterface::GetDoubleValue;
	using SettingsInterface::GetFloatValue;
	using SettingsInterface::GetIntValue;
	using SettingsInterface::GetStringValue;
	using SettingsInterface::GetUIntValue;

private:
	static constexpr Layer FIRST_LAYER = LAYER_CMDLINE;
	static constexpr Layer LAST_LAYER = LAYER_BASE;

	std::array<SettingsInterface*, NUM_LAYERS> m_layers{};
};
