/*
 * 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.
 */

#include "ui_settings.hpp"

#include "ui_navigation.hpp"
#include "ui_touch_calibration.hpp"

#include "portapack_persistent_memory.hpp"
#include "lpc43xx_cpp.hpp"
using namespace lpc43xx;

#include "audio.hpp"
#include "portapack.hpp"
using portapack::receiver_model;
using namespace portapack;

#include "string_format.hpp"
#include "ui_font_fixed_8x16.hpp"
#include "cpld_update.hpp"

#include "freqman.hpp"

namespace ui {

	SetDateTimeView::SetDateTimeView(
			NavigationView& nav
			) {
		button_save.on_select = [&nav, this](Button&){
			const auto model = this->form_collect();
			const rtc::RTC new_datetime {
				model.year, model.month, model.day,
					model.hour, model.minute, model.second
			};
			rtcSetTime(&RTCD1, &new_datetime);
			nav.pop();
		},

			button_cancel.on_select = [&nav](Button&){
				nav.pop();
			},

			add_children({
					&labels,
					&field_year,
					&field_month,
					&field_day,
					&field_hour,
					&field_minute,
					&field_second,
					&button_save,
					&button_cancel,
					});

		rtc::RTC datetime;
		rtcGetTime(&RTCD1, &datetime);
		SetDateTimeModel model {
			datetime.year(),
				datetime.month(),
				datetime.day(),
				datetime.hour(),
				datetime.minute(),
				datetime.second()
		};

		form_init(model);
	}

	void SetDateTimeView::focus() {
		button_cancel.focus();
	}

	void SetDateTimeView::form_init(const SetDateTimeModel& model) {
		field_year.set_value(model.year);
		field_month.set_value(model.month);
		field_day.set_value(model.day);
		field_hour.set_value(model.hour);
		field_minute.set_value(model.minute);
		field_second.set_value(model.second);
	}

	SetDateTimeModel SetDateTimeView::form_collect() {
		return {
			.year = static_cast<uint16_t>(field_year.value()),
				.month = static_cast<uint8_t>(field_month.value()),
				.day = static_cast<uint8_t>(field_day.value()),
				.hour = static_cast<uint8_t>(field_hour.value()),
				.minute = static_cast<uint8_t>(field_minute.value()),
				.second = static_cast<uint8_t>(field_second.value())
		};
	}

	SetRadioView::SetRadioView(
			NavigationView& nav
			) {
		button_cancel.on_select = [&nav](Button&){
			nav.pop();
		};

		const auto reference = portapack::clock_manager.get_reference();

		std::string source_name("---");
		switch(reference.source) {
			case ClockManager::ReferenceSource::Xtal:      source_name = "HackRF";    break;
			case ClockManager::ReferenceSource::PortaPack: source_name = "PortaPack"; break;
			case ClockManager::ReferenceSource::External:  source_name = "External";  break;
		}

		value_source.set(source_name);
		value_source_frequency.set(to_string_dec_uint(reference.frequency / 1000000, 2) + "." + to_string_dec_uint((reference.frequency % 1000000) / 100, 4, '0') + " MHz");

		label_source.set_style(&style_text);
		value_source.set_style(&style_text);
		value_source_frequency.set_style(&style_text);

		add_children({
				&label_source,
				&value_source,
				&value_source_frequency,
				});

		if( reference.source == ClockManager::ReferenceSource::Xtal ) {
			add_children({
					&labels_correction,
					&field_ppm,
					});
		}

		add_children({
				&check_clkout,
				&field_clkout_freq,
				&labels_clkout_khz,
				&value_freq_step,
				&labels_bias,
				&check_bias,
				&button_save,
				&button_cancel
				});

		SetFrequencyCorrectionModel model {
			static_cast<int8_t>(portapack::persistent_memory::correction_ppb() / 1000) , 0
		};

		form_init(model);

		check_clkout.set_value(portapack::persistent_memory::clkout_enabled());
		check_clkout.on_select = [this](Checkbox&, bool v) {
			clock_manager.enable_clock_output(v);
			portapack::persistent_memory::set_clkout_enabled(v);
			StatusRefreshMessage message { };
			EventDispatcher::send_message(message);
		};

		field_clkout_freq.set_value(portapack::persistent_memory::clkout_freq());
		value_freq_step.set_style(&style_text);

		field_clkout_freq.on_select = [this](NumberField&) {
			freq_step_khz++;
			if(freq_step_khz > 3) {
				freq_step_khz = 0;
			}
			switch(freq_step_khz) {
				case 0:
					value_freq_step.set("   |");
					break;
				case 1:
					value_freq_step.set("  | ");
					break;
				case 2:
					value_freq_step.set(" |  ");
					break;
				case 3:
					value_freq_step.set("|   ");
					break;
			}
			field_clkout_freq.set_step(pow(10, freq_step_khz));
		};

		check_bias.set_value(portapack::get_antenna_bias());
		check_bias.on_select = [this](Checkbox&, bool v) {
			portapack::set_antenna_bias(v);
			StatusRefreshMessage message { };
			EventDispatcher::send_message(message);
		};

		button_save.on_select = [this, &nav](Button&){
			const auto model = this->form_collect();
			portapack::persistent_memory::set_correction_ppb(model.ppm * 1000);
			portapack::persistent_memory::set_clkout_freq(model.freq);
			clock_manager.enable_clock_output(portapack::persistent_memory::clkout_enabled());
			nav.pop();
		};
	}

	void SetRadioView::focus() {
		button_save.focus();
	}

	void SetRadioView::form_init(const SetFrequencyCorrectionModel& model) {
		field_ppm.set_value(model.ppm);
	}

	SetFrequencyCorrectionModel SetRadioView::form_collect() {
		return {
			.ppm = static_cast<int8_t>(field_ppm.value()),
				.freq = static_cast<uint32_t>(field_clkout_freq.value()),
		};
	}


	SetUIView::SetUIView(NavigationView& nav) {
		add_children({
				&checkbox_disable_touchscreen,
				&checkbox_speaker,
				&checkbox_bloff,
				&options_bloff,
				&checkbox_showsplash,
				&checkbox_showclock,
				&options_clockformat,
				&checkbox_guireturnflag,
				&button_save,
				&button_cancel
				});

		checkbox_disable_touchscreen.set_value(persistent_memory::disable_touchscreen());
		checkbox_speaker.set_value(persistent_memory::config_speaker());
		checkbox_showsplash.set_value(persistent_memory::config_splash());
		checkbox_showclock.set_value(!persistent_memory::hide_clock());
		checkbox_guireturnflag.set_value(persistent_memory::show_gui_return_icon());

		const auto backlight_config = persistent_memory::config_backlight_timer();
		checkbox_bloff.set_value(backlight_config.timeout_enabled());
		options_bloff.set_by_value(backlight_config.timeout_enum());

		if (persistent_memory::clock_with_date()) {
			options_clockformat.set_selected_index(1);
		} else {
			options_clockformat.set_selected_index(0);
		}


		button_save.on_select = [&nav, this](Button&) {
			persistent_memory::set_config_backlight_timer({
					(persistent_memory::backlight_timeout_t)options_bloff.selected_index_value(),
					checkbox_bloff.value()
					});

			if (checkbox_showclock.value()){
				if (options_clockformat.selected_index() == 1)
					persistent_memory::set_clock_with_date(true);    
				else
					persistent_memory::set_clock_with_date(false);		
			}

			if (checkbox_speaker.value())  audio::output::speaker_mute();		//Just mute audio if speaker is disabled
			persistent_memory::set_config_speaker(checkbox_speaker.value());	//Store Speaker status
			StatusRefreshMessage message { };					//Refresh status bar with/out speaker
			EventDispatcher::send_message(message);

			persistent_memory::set_config_splash(checkbox_showsplash.value());
			persistent_memory::set_clock_hidden(!checkbox_showclock.value());
			persistent_memory::set_gui_return_icon(checkbox_guireturnflag.value());
			persistent_memory::set_disable_touchscreen(checkbox_disable_touchscreen.value());
			nav.pop();
		};
		button_cancel.on_select = [&nav, this](Button&) {
			nav.pop();
		};
	}

	void SetUIView::focus() {
		button_save.focus();
	}


	// ---------------------------------------------------------
	// Appl. Settings
	// ---------------------------------------------------------
	SetAppSettingsView::SetAppSettingsView(NavigationView& nav) {
		add_children({
				&checkbox_load_app_settings,
				&checkbox_save_app_settings,
				&button_save,
				&button_cancel
				});

		checkbox_load_app_settings.set_value(persistent_memory::load_app_settings());
		checkbox_save_app_settings.set_value(persistent_memory::save_app_settings());


		button_save.on_select = [&nav, this](Button&) {
			persistent_memory::set_load_app_settings(checkbox_load_app_settings.value());
			persistent_memory::set_save_app_settings(checkbox_save_app_settings.value());
			nav.pop();
		};
		button_cancel.on_select = [&nav, this](Button&) {
			nav.pop();
		};
	}

	void SetAppSettingsView::focus() {
		button_save.focus();
	}

	// ---------------------------------------------------------
	// Converter Settings
	// ---------------------------------------------------------
	SetConverterSettingsView::SetConverterSettingsView(NavigationView& nav) {
		add_children({
				&check_show_converter,
				&check_converter,
				&converter_mode,
				&button_converter_freq,
				&button_save,
				&button_cancel
				});

		check_show_converter.set_value(!portapack::persistent_memory::config_hide_converter());
		check_show_converter.on_select = [this](Checkbox&, bool v) {
			portapack::persistent_memory::set_config_hide_converter(!v);
			if( !v )
			{
				check_converter.set_value(false);
			}
			// Retune to take converter change in account
			receiver_model.set_tuning_frequency( portapack::persistent_memory::tuned_frequency() );	
			//Refresh status bar with/out converter
			StatusRefreshMessage message { };				
			EventDispatcher::send_message(message);
		};

		check_converter.set_value(portapack::persistent_memory::config_converter());
		check_converter.on_select = [this](Checkbox&, bool v) {
			if( v )
			{
				check_show_converter.set_value(true);
				portapack::persistent_memory::set_config_hide_converter(false);
			}
			portapack::persistent_memory::set_config_converter(v);
			// Retune to take converter change in account
			receiver_model.set_tuning_frequency( portapack::persistent_memory::tuned_frequency() );	
			//Refresh status bar with/out converter
			StatusRefreshMessage message { };				
			EventDispatcher::send_message(message);
		};

		converter_mode.set_by_value( portapack::persistent_memory::config_updown_converter() );
		converter_mode.on_change = [this](size_t, OptionsField::value_t v) {
			portapack::persistent_memory::set_config_updown_converter( v );
			//Refresh status bar with icon up or down
			StatusRefreshMessage message { };				
			EventDispatcher::send_message(message);
		};

		button_converter_freq.set_text( to_string_short_freq( portapack::persistent_memory::config_converter_freq() ) + "MHz");
		button_converter_freq.on_select = [this, &nav](Button& button) {
			auto new_view = nav.push<FrequencyKeypadView>(portapack::persistent_memory::config_converter_freq() );
			new_view->on_changed = [this, &button](rf::Frequency f) {
				portapack::persistent_memory::set_config_converter_freq( f );
				// Retune to take converter change in account
				receiver_model.set_tuning_frequency( portapack::persistent_memory::tuned_frequency() );	
				button_converter_freq.set_text( "<" + to_string_short_freq( f ) + " MHz>" );
			};
		};

		button_save.on_select = [&nav, this](Button&) {
			nav.pop();
		};
		button_cancel.on_select = [&nav, this](Button&) {
			nav.pop();
		};
	}

	void SetConverterSettingsView::focus() {
		button_save.focus();
	}

	// ---------------------------------------------------------
	// Persistent Memory Settings
	// ---------------------------------------------------------
	SetPersistentMemoryView::SetPersistentMemoryView(NavigationView& nav) {
		add_children({
				&text_pmem_about,
				&text_pmem_informations,
				&text_pmem_status,
				&check_load_mem_at_startup,
				&button_save_mem_to_file,
				&button_load_mem_from_file,
				&button_return
				});

		bool load_mem_at_startup = false ;
		File pmem_flag_file_handle ;
		std::string pmem_flag_file = "/SETTINGS/PMEM_FILEFLAG" ;
		auto result = pmem_flag_file_handle.open(pmem_flag_file);	
		if(!result.is_valid()) 
		{
			load_mem_at_startup = true ;
		}
		check_load_mem_at_startup.set_value(load_mem_at_startup);
		check_load_mem_at_startup.on_select = [this](Checkbox&, bool v) {
			File pmem_flag_file_handle ;
			std::string pmem_flag_file = "/SETTINGS/PMEM_FILEFLAG" ;
			if( v )
			{
				auto result = pmem_flag_file_handle.open(pmem_flag_file);	
				if(result.is_valid()) 
				{
					auto result = pmem_flag_file_handle.create(pmem_flag_file); //third: create if it is not there
					if( !result.is_valid() )
					{
						text_pmem_status.set("pmem flag file created!");
					}
					else
					{
						text_pmem_status.set("err. creating pmem flag file");
					}
				}
				else
				{
					text_pmem_status.set("pmem flag already present");
				}
			}
			else
			{
				auto result = delete_file( pmem_flag_file );
				if( result != 0 )
				{
					text_pmem_status.set("err. deleting pmem flag file");
				}
				else
				{
					text_pmem_status.set("pmem flag file deleted!");
				}
			}
		};

		button_return.on_select = [&nav, this](Button&) {
			nav.pop();
		};
	}

	void SetPersistentMemoryView::focus() {
		button_return.focus();
	}

	//
	// Audio settings
	//

	SetAudioView::SetAudioView(NavigationView& nav) {
		add_children({
				&labels,
				&field_tone_mix,
				&button_save,
				&button_cancel
				});

		field_tone_mix.set_value(persistent_memory::tone_mix());

		button_save.on_select = [&nav, this](Button&) {
			persistent_memory::set_tone_mix(field_tone_mix.value());
			nav.pop();
		};

		button_cancel.on_select = [&nav, this](Button&) {
			nav.pop();
		};
	}

	void SetAudioView::focus() {
		button_save.focus();
	}

	SetQRCodeView::SetQRCodeView(NavigationView& nav) {
		add_children({
				&checkbox_bigger_qr,
				&button_save,
				&button_cancel
				});

		checkbox_bigger_qr.set_value(persistent_memory::show_bigger_qr_code());

		button_save.on_select = [&nav, this](Button&) {
			persistent_memory::set_show_bigger_qr_code(checkbox_bigger_qr.value());
			nav.pop();
		};

		button_cancel.on_select = [&nav, this](Button&) {
			nav.pop();
		};

	}

	void SetQRCodeView::focus() {
		button_save.focus();
	}

	// ---------------------------------------------------------
	// Settings main menu
	// ---------------------------------------------------------
	SettingsMenuView::SettingsMenuView(NavigationView& nav) {
		if( portapack::persistent_memory::show_gui_return_icon() )
		{
			add_items( { { "..", 		ui::Color::light_grey(),&bitmap_icon_previous,	[&nav](){ nav.pop(); } } } );
		}
		add_items({
				{ "Audio",          ui::Color::dark_cyan(), &bitmap_icon_speaker,          [&nav](){ nav.push<SetAudioView>(); } },
				{ "Radio",          ui::Color::dark_cyan(), &bitmap_icon_options_radio,    [&nav](){ nav.push<SetRadioView>(); } },
				{ "User Interface", ui::Color::dark_cyan(), &bitmap_icon_options_ui,       [&nav](){ nav.push<SetUIView>(); } },
				{ "Date/Time",      ui::Color::dark_cyan(), &bitmap_icon_options_datetime, [&nav](){ nav.push<SetDateTimeView>(); } },
				{ "Calibration",    ui::Color::dark_cyan(), &bitmap_icon_options_touch,    [&nav](){ nav.push<TouchCalibrationView>(); } },
				{ "App Settings",   ui::Color::dark_cyan(), &bitmap_icon_setup,            [&nav](){ nav.push<SetAppSettingsView>(); } },
				{ "Converter",      ui::Color::dark_cyan(), &bitmap_icon_options_radio,    [&nav](){ nav.push<SetConverterSettingsView>(); } },
				{ "QR Code",        ui::Color::dark_cyan(), &bitmap_icon_qr_code,          [&nav](){ nav.push<SetQRCodeView>(); } },
				{ "P.Memory Mgmt",      ui::Color::dark_cyan(), &bitmap_icon_memory,       [&nav](){ nav.push<SetPersistentMemoryView>(); } },
				});
		set_max_rows(2); // allow wider buttons
	}

} /* namespace ui */