/*
 * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
 * Copyright (C) 2016 Furrtek
 *
 * This file is part of PortaPack.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef __UI_NAVIGATION_H__
#define __UI_NAVIGATION_H__

#include "ui.hpp"
#include "ui_widget.hpp"
#include "ui_focus.hpp"
#include "ui_menu.hpp"
#include "ui_btngrid.hpp"

#include "ui_rssi.hpp"
#include "ui_channel.hpp"
#include "ui_audio.hpp"
#include "ui_sd_card_status_view.hpp"

#include "bitmap.hpp"
#include "ff.h"
#include "diskio.h"
#include "lfsr_random.hpp"
#include "sd_card.hpp"

#include <vector>
#include <utility>

using namespace sd_card;

namespace ui {

enum modal_t {
	INFO = 0,
	YESNO,
	YESCANCEL,
	ABORT
};

class NavigationView : public View {
public:
	std::function<void(const View&)> on_view_changed { };

	NavigationView() = default;

	NavigationView(const NavigationView&) = delete;
	NavigationView(NavigationView&&) = delete;
	NavigationView& operator=(const NavigationView&) = delete;
	NavigationView& operator=(NavigationView&&) = delete;

	bool is_top() const;

	template<class T, class... Args>
	T* push(Args&&... args) {
		return reinterpret_cast<T*>(push_view(std::unique_ptr<View>(new T(*this, std::forward<Args>(args)...))));
	}
	template<class T, class... Args>
	T* replace(Args&&... args) {
		pop();
		return reinterpret_cast<T*>(push_view(std::unique_ptr<View>(new T(*this, std::forward<Args>(args)...))));
	}
	
	void push(View* v);
	void replace(View* v);

	void pop();
	void pop_modal();

	void display_modal(const std::string& title, const std::string& message);
	void display_modal(const std::string& title, const std::string& message, const modal_t type, const std::function<void(bool)> on_choice = nullptr);

	void focus() override;

private:
	std::vector<std::unique_ptr<View>> view_stack { };
	Widget* modal_view { nullptr };

	Widget* view() const;

	void free_view();
	void update_view();
	View* push_view(std::unique_ptr<View> new_view);
};

class SystemStatusView : public View {
public:
	std::function<void(void)> on_back { };

	SystemStatusView(NavigationView& nav);

	void set_back_enabled(bool new_value);
	void set_title_image_enabled(bool new_value);
	void set_title(const std::string new_value);

private:
	static constexpr auto default_title = "";
	
	NavigationView& nav_;

	Rectangle backdrop {
		{ 0 * 8, 0 * 16, 240, 16 },
		Color::dark_grey()
	};

	ImageButton button_back {
		{ 2, 0 * 16, 16, 16 },
		&bitmap_icon_previous,
		Color::white(),
		Color::dark_grey()
	};

	Text title {
		{ 20, 0, 14 * 8, 1 * 16 },
		default_title,
	};

	ImageButton button_title {
		{2, 0, 80, 16},
		&bitmap_titlebar_image,
		Color::white(),
		Color::dark_grey()
	};

	ImageButton button_speaker {
 		{ 17 * 8, 0, 2 * 8, 1 * 16 },
 		&bitmap_icon_speaker_mute,
 		Color::light_grey(),
 		Color::dark_grey()
 	};
	
	ImageButton button_stealth {
		{ 19 * 8, 0, 2 * 8, 1 * 16 },
		&bitmap_icon_stealth,
		Color::light_grey(),
		Color::dark_grey()
	};
	
	/*ImageButton button_textentry {
		{ 170, 0, 2 * 8, 1 * 16 },
		&bitmap_icon_unistroke,
		Color::white(),
		Color::dark_grey()
	};*/

	ImageButton button_camera {
		{ 21 * 8, 0, 2 * 8, 1 * 16 },
		&bitmap_icon_camera,
		Color::white(),
		Color::dark_grey()
	};

	ImageButton button_sleep {
		{ 23 * 8, 0, 2 * 8, 1 * 16 },
		&bitmap_icon_sleep,
		Color::white(),
		Color::dark_grey()
	};
	
	ImageButton button_bias_tee {
		{ 25 * 8, 0, 12, 1 * 16 },
		&bitmap_icon_biast_off,
		Color::light_grey(),
		Color::dark_grey()
	};
	
	ImageButton button_clock_status {
		{ 27 * 8, 0 * 16,  2 * 8, 1 * 16 },
		&bitmap_icon_clk_int,
		Color::light_grey(),
		Color::dark_grey()
	};
	
	SDCardStatusView sd_card_status_view {
		{ 28 * 8, 0 * 16,  2 * 8, 1 * 16 }
	};

	void on_speaker();
	void on_stealth();
	void on_bias_tee();
	//void on_textentry();
	void on_camera();
	void on_title();
	void refresh();
	void on_clk();
	
	MessageHandlerRegistration message_handler_refresh {
		Message::ID::StatusRefresh,
		[this](const Message* const p) {
			(void)p;
			this->refresh();
		}
	};
};

class InformationView : public View {
public:
	InformationView(NavigationView& nav);
	
private:
	static constexpr auto version_string = "v1.3.0";
	NavigationView& nav_;

	Rectangle backdrop {
		{ 0, 0 * 16, 240, 16 },
		{33, 33, 33}
	};

	Text version {
		{2, 0, 11 * 8, 16},
		version_string
	};
	
	LiveDateTime ltime {
		{174, 0, 8 * 8, 16}
	};
};

class BMPView : public View {
public:
	BMPView(NavigationView& nav);
	void paint(Painter&) override;
	void focus() override;

private:
	Text text_info {
		{ 4*8, 284, 20 * 8, 16 },
		"Version " VERSION_STRING
	};
	
	Button button_done {
		{ 240, 0, 1, 1 },
		""
	};
};

class ReceiversMenuView : public BtnGridView {
public:
	ReceiversMenuView(NavigationView& nav);
	std::string title() const override { return "Receivers"; };
};

class TransmittersMenuView : public BtnGridView {
public:
	TransmittersMenuView(NavigationView& nav);
	std::string title() const override { return "Transmitters"; };
};

class UtilitiesMenuView : public BtnGridView {
public:
	UtilitiesMenuView(NavigationView& nav);
	std::string title() const override { return "Utilities"; };	
};

class SystemMenuView : public BtnGridView {
public:
	SystemMenuView(NavigationView& nav);
private:
	void hackrf_mode(NavigationView& nav);
};

class SystemView : public View {
public:
	SystemView(
		Context& context,
		const Rect parent_rect
	);

	Context& context() const override;

private:
	SystemStatusView status_view { navigation_view };
	InformationView info_view { navigation_view };
	NavigationView navigation_view { };
	Context& context_;
};

/*class NotImplementedView : public View {
public:
	NotImplementedView(NavigationView& nav);

	void focus() override;

private:
	Text text_title {
		{ 5 * 8, 7 * 16, 19 * 8, 16 },
		"Not Yet Implemented"
	};

	Button button_done {
		{ 10 * 8, 13 * 16, 10 * 8, 24 },
		"Bummer",
	};
};*/

class ModalMessageView : public View {
public:
	ModalMessageView(
		NavigationView& nav,
		const std::string& title,
		const std::string& message,
		const modal_t type,
		const std::function<void(bool)> on_choice
	);
	
	void paint(Painter& painter) override;
	void focus() override;

	std::string title() const override { return title_; };

private:
	const std::string title_;
	const std::string message_;
	const modal_t type_;
	const std::function<void(bool)> on_choice_;

	Button button_ok {
		{ 10 * 8, 14 * 16, 10 * 8, 48 },
		"OK",
	};
	
	Button button_yes {
		{ 5 * 8, 14 * 16, 8 * 8, 48 },
		"YES",
	};

	Button button_no {
		{ 17 * 8, 14 * 16, 8 * 8, 48 },
		"NO",
	};
};

} /* namespace ui */

#endif/*__UI_NAVIGATION_H__*/