/*
 * https://github.com/circuitsforfun
 *
 * https://github.com/VasilKalchev/LiquidMenu
 *
 */

#include <LiquidCrystal_I2C.h>
#include <LiquidMenu.h>
#include "Button.h"

LiquidCrystal_I2C lcd(0x27, 20, 4);


// Button objects instantiation
const bool pullup = true;
Button next(8, pullup);
Button enter(9, pullup);
Button prev(10, pullup);

LiquidLine lineMainSpeed(0, 1, "SPEED");
LiquidLine lineMainDuration(0, 2, "DURATION");
LiquidLine lineMainCamera(0, 3, "CAMERA CONTROLS");
LiquidLine lineMainStart(0, 4, "START");
LiquidLine lineMainInfo(0, 5, "INFO");
LiquidScreen screenMain(lineMainSpeed,lineMainDuration,lineMainCamera,lineMainStart,lineMainInfo);


LiquidLine lineSpeed1(1, 1, "Speed sub 1");
LiquidScreen screenSpeed(lineSpeed1);

LiquidLine lineDuration1(1, 2, "Duration sub 1");
LiquidScreen screenDuration(lineDuration1);

LiquidLine lineCamera1(1, 3, "Camera Controls Sub 1");
LiquidScreen screenCamera(lineCamera1);

LiquidLine lineStart1(1, 4, "Start sub 1");
LiquidScreen screenStart(lineStart1);

LiquidLine lineInfo1(1, 5, "INFO sub 1");
LiquidScreen screenInfo(lineInfo1);


LiquidMenu menu(lcd);
menu.add_screen(Speed_screen);
menu.add_screen(Duration_screen);
menu.add_screen(Camera_screen);
menu.add_screen(Start_screen);
menu.add_screen(Info_screen);



// Used for attaching something to the lines, to make them focusable.
void DoSpeed() {
    Serial.println(F("Speed pressed"));
    menu.add_screen(screenSpeed);
    return;
}
void DoDuration() {
    Serial.println(F("Duration pressed"));
    menu.add_screen(screenDuration);
    return;
}
void DoCamera() {
    Serial.println(F("Camera pressed"));
    menu.add_screen(screenCamera);
    return;
}
void DoStart() {
    Serial.println(F("Start pressed"));
    menu.add_screen(screenStart);
    return;
}
void DoInfo() {
    Serial.println(F("Info pressed"));
    menu.add_screen(screenInfo);
    return;
}
void DoPlaceholder() {
    Serial.println(F("Placeholder Invoked"));
    return;
}

void setup() {
    Serial.begin(250000);

	lcd.begin(20, 4);

    // Main Lines
    screenMain.add_line(lineMainSpeed);
    screenMain.add_line(lineMainDuration);
    screenMain.add_line(lineMainCamera);
    screenMain.add_line(lineMainStart);
    screenMain.add_line(lineMainInfo);
	// Speed Lines
    screenMain.add_line(lineSpeed1);
	// Duration Lines
    screenMain.add_line(lineDuration1);
	// Camera Lines
    screenMain.add_line(lineCamera1);
	// Start Lines
    screenMain.add_line(lineStart1);
	// Info Lines
    screenMain.add_line(lineInfo1);


    // Attach main functions
    lineMainSpeed.attach_function(1, DoSpeed);
    lineMainDuration.attach_function(1, DoDuration);
    lineMainCamera.attach_function(1, DoCamera);
    lineMainStart.attach_function(1, DoStart);
    lineMainInfo.attach_function(1, DoInfo);
	// Attach Speed functions
	lineSpeed1.attach_function(1, DoPlaceholder);
	// Attach Duration functions
	lineDuration1.attach_function(1, DoPlaceholder);
	// Attach Camera functions
	lineCamera1.attach_function(1, DoPlaceholder);
	// Attach Start functions
	lineStart1.attach_function(1, DoPlaceholder);
	// Attach Info functions
	lineInfo1.attach_function(1, DoPlaceholder);


    screenMain.set_displayLineCount(4);

    menu.add_screen(screenMain);

    // Set the number of decimal places for a "line".
    //lineMainSpeed.set_decimalPlaces(5);

    menu.update();
}

void loop() {
    if (next.check() == LOW) {
        Serial.println(F("next button pressed"));
        menu.switch_focus();
		menu.update();
    }
    if (enter.check() == LOW) {
        menu.call_function(1);
		menu.update();
    }
    if (prev.check() == LOW) {
        menu.previous_screen();
		menu.update();
    }
}

// STAR TRACKER MENU SELECT
    //BUTTON 1: SUB MENU UP
    //BUTTON 2: ENTER SUB MENU
    //BUTTON 3: SUB MENU DOWN

    // STAR TRACKING SPEED MENU
        //BUTTON 1: SPEED UP
        //BUTTON 2: ENTER AND EXIT BACK TO TOP LEVEL MENU
        //BUTTON 3: SPEED DOWN

    // STAR TRACKING DURATION MENU
        //BUTTON 1: SPEED UP
        //BUTTON 2: ENTER AND EXIT BACK TO TOP LEVEL MENU
        //BUTTON 3: SPEED DOWN

    // STAR TRACKER START
        //BUTTON 1: EXIT BACK TO TOP LEVEL MENU
        //BUTTON 2: START
        //BUTTON 3: EXIT BACK TO TOP LEVEL MENU