/*
   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 3 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "AP_Notify.h"

#include "AP_BoardLED.h"
#include "PixRacerLED.h"
#include "Buzzer.h"
#include "Display.h"
#include "ExternalLED.h"
#include "NavioLED_I2C.h"
#include "OreoLED_PX4.h"
#include "RCOutputRGBLed.h"
#include "ToneAlarm_Linux.h"
#include "ToneAlarm_PX4.h"
#include "ToshibaLED.h"
#include "ToshibaLED_I2C.h"
#include "VRBoard_LED.h"
#include "DiscreteRGBLed.h"
#include "DiscoLED.h"
#include <stdio.h>

AP_Notify *AP_Notify::_instance;

#define CONFIG_NOTIFY_DEVICES_COUNT 5

// table of user settable parameters
const AP_Param::GroupInfo AP_Notify::var_info[] = {

    // @Param: LED_BRIGHT
    // @DisplayName: LED Brightness
    // @Description: Select the RGB LED brightness level. When USB is connected brightness will never be higher than low regardless of the setting.
    // @Values: 0:Off,1:Low,2:Medium,3:High
    // @User: Advanced
    AP_GROUPINFO("LED_BRIGHT", 0, AP_Notify, _rgb_led_brightness, RGB_LED_HIGH),

    // @Param: BUZZ_ENABLE
    // @DisplayName: Buzzer enable
    // @Description: Enable or disable the buzzer. Only for Linux and PX4 based boards.
    // @Values: 0:Disable,1:Enable
    // @User: Advanced
    AP_GROUPINFO("BUZZ_ENABLE", 1, AP_Notify, _buzzer_enable, BUZZER_ON),

    // @Param: LED_OVERRIDE
    // @DisplayName: Setup for MAVLink LED override
    // @Description: This sets up the board RGB LED for override by MAVLink. Normal notify LED control is disabled
    // @Values: 0:Disable,1:Enable
    // @User: Advanced
    AP_GROUPINFO("LED_OVERRIDE", 2, AP_Notify, _rgb_led_override, 0),

    // @Param: DISPLAY_TYPE
    // @DisplayName: Type of on-board I2C display
    // @Description: This sets up the type of on-board I2C display. Disabled by default.
    // @Values: 0:Disable,1:ssd1306,2:sh1106
    // @User: Advanced
    AP_GROUPINFO("DISPLAY_TYPE", 3, AP_Notify, _display_type, 0),

    // @Param: OREO_THEME
    // @DisplayName: OreoLED Theme
    // @Description: Enable/Disable Solo Oreo LED driver, 0 to disable, 1 for Aircraft theme, 2 for Rover theme
    // @Values: 0:Disabled,1:Aircraft,2:Rover
    // @User: Advanced
    AP_GROUPINFO("OREO_THEME", 4, AP_Notify, _oreo_theme, 0),

    AP_GROUPEND
};

// Default constructor
AP_Notify::AP_Notify()
{
	AP_Param::setup_object_defaults(this, var_info);
    if (_instance != nullptr) {
        AP_HAL::panic("AP_Notify must be singleton");
    }
    _instance = this;
}

// static flags, to allow for direct class update from device drivers
struct AP_Notify::notify_flags_and_values_type AP_Notify::flags;
struct AP_Notify::notify_events_type AP_Notify::events;

NotifyDevice *AP_Notify::_devices[] = {nullptr, nullptr, nullptr, nullptr, nullptr};

// initialisation
void AP_Notify::init(bool enable_external_leds)
{

// Notify devices for PX4 boards
#if CONFIG_HAL_BOARD == HAL_BOARD_PX4
    #if CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_PX4_V3 // Has enough memory for Oreo LEDs
        _devices[0] = new AP_BoardLED();
        _devices[1] = new ToshibaLED_I2C();
        _devices[2] = new ToneAlarm_PX4();
        _devices[3] = new Display();

        // Oreo LED enable/disable by NTF_OREO_THEME parameter
        if (_oreo_theme) {
            _devices[4] = new OreoLED_PX4(_oreo_theme);
        }

    #elif CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_PX4_V4 // Has its own LED board
        _devices[0] = new PixRacerLED();
        _devices[1] = new ToshibaLED_I2C();
        _devices[2] = new ToneAlarm_PX4();
        _devices[3] = new Display();

    #else   // All other px4 boards use standard devices.
        _devices[0] = new AP_BoardLED();
        _devices[1] = new ToshibaLED_I2C();
        _devices[2] = new ToneAlarm_PX4();
        _devices[3] = new Display();
    #endif

// Notify devices for VRBRAIN boards
#elif CONFIG_HAL_BOARD == HAL_BOARD_VRBRAIN  
    #if CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_VRBRAIN_V45 // Uses px4 LED board
        _devices[0] = new AP_BoardLED();
        _devices[1] = new ToshibaLED_I2C();
        _devices[2] = new ToneAlarm_PX4();
        _devices[3] = new ExternalLED();
    #else
        _devices[0] = new VRBoard_LED();
        _devices[1] = new ToshibaLED_I2C();
        _devices[2] = new ToneAlarm_PX4();
        _devices[3] = new ExternalLED();
    #endif

// Notify devices for linux boards    
#elif CONFIG_HAL_BOARD == HAL_BOARD_LINUX
    #if CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_NAVIO
        _devices[0] = new NavioLED_I2C();
        _devices[1] = new ToshibaLED_I2C();

    #elif CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_NAVIO2
        _devices[0] = new DiscreteRGBLed(4, 27, 6, false);
        _devices[1] = new ToshibaLED_I2C();

    #elif CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_BBBMINI
        _devices[0] = new AP_BoardLED();
        _devices[1] = new Buzzer();
        _devices[2] = new Display();
        
    #elif CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_BLUE
        _devices[0] = new AP_BoardLED();
        _devices[1] = new Display();

    #elif CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_RASPILOT
        _devices[0] = new ToshibaLED_I2C();
        _devices[1] = new ToneAlarm_Linux();

    #elif CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_MINLURE
        _devices[0] = new RCOutputRGBLedOff(15, 13, 14, 255);

    #elif CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_ERLEBRAIN2 || \
      CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_PXFMINI
        _devices[0] = new AP_BoardLED();

    #elif CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_BH
        _devices[0] = new AP_BoardLED();
        _devices[1] = new RCOutputRGBLed(HAL_RCOUT_RGBLED_RED, HAL_RCOUT_RGBLED_GREEN, HAL_RCOUT_RGBLED_BLUE);

    #elif CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_DISCO
        _devices[0] = new DiscoLED();
        _devices[1] = new ToneAlarm_Linux();

    #else
        _devices[0] = new AP_BoardLED();
        _devices[1] = new ToshibaLED_I2C();
        _devices[2] = new ToneAlarm_Linux();
    #endif

#else
    _devices[0] = new AP_BoardLED();
    _devices[1] = new ToshibaLED_I2C();
#endif

    // clear all flags and events
    memset(&AP_Notify::flags, 0, sizeof(AP_Notify::flags));
    memset(&AP_Notify::events, 0, sizeof(AP_Notify::events));

    // clear flight mode string and text buffer
    memset(_flight_mode_str, 0, sizeof(_flight_mode_str));
    memset(_send_text, 0, sizeof(_send_text));
    _send_text_updated_millis = 0;

    AP_Notify::flags.external_leds = enable_external_leds;

    for (uint8_t i = 0; i < CONFIG_NOTIFY_DEVICES_COUNT; i++) {
        if (_devices[i] != nullptr) {
            _devices[i]->pNotify = this;
            _devices[i]->init();
        }
    }
}

// main update function, called at 50Hz
void AP_Notify::update(void)
{
    for (uint8_t i = 0; i < CONFIG_NOTIFY_DEVICES_COUNT; i++) {
        if (_devices[i] != nullptr) {
            _devices[i]->update();
        }
    }

    //reset the events
    memset(&AP_Notify::events, 0, sizeof(AP_Notify::events));
}

// handle a LED_CONTROL message
void AP_Notify::handle_led_control(mavlink_message_t *msg)
{
    for (uint8_t i = 0; i < CONFIG_NOTIFY_DEVICES_COUNT; i++) {
        if (_devices[i] != nullptr) {
            _devices[i]->handle_led_control(msg);
        }
    }
}

// handle a PLAY_TUNE message
void AP_Notify::handle_play_tune(mavlink_message_t *msg)
{
    for (uint8_t i = 0; i < CONFIG_NOTIFY_DEVICES_COUNT; i++) {
        if (_devices[i] != nullptr) {
            _devices[i]->handle_play_tune(msg);
        }
    }
}

// set flight mode string
void AP_Notify::set_flight_mode_str(const char *str)
{
    strncpy(_flight_mode_str, str, 4);
    _flight_mode_str[sizeof(_flight_mode_str)-1] = 0;
}

void AP_Notify::send_text(const char *str)
{
    strncpy(_send_text, str, sizeof(_send_text));
    _send_text[sizeof(_send_text)-1] = 0;
    _send_text_updated_millis = AP_HAL::millis();
}