#include U8g2lib.h.txt

#include <U8g2lib.h>
#include <AiEsp32RotaryEncoder.h>
#include <FreeRTOS.h>

// OLED Display setup
U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0);

// Encoder setup
#define ROTARY_ENCODER_A_PIN 34
#define ROTARY_ENCODER_B_PIN 35
#define ROTARY_ENCODER_BUTTON_PIN 32

AiEsp32RotaryEncoder rotaryEncoder = AiEsp32RotaryEncoder(ROTARY_ENCODER_A_PIN, ROTARY_ENCODER_B_PIN, ROTARY_ENCODER_BUTTON_PIN);

// Pac-Man and Ghosts Sprites (example arrays)
const uint8_t pacmanSprite[] = { /* Your Pac-Man sprite data */ };
const uint8_t ghostSprite[] = { /* Your Ghost sprite data */ };

// Global Variables
volatile int selectedChannel = 0; // Current selected channel
volatile bool loopRunning = false; // Loop status

// Function Prototypes
void drawUI();
void taskLooper(void *pvParameters);
void handleEncoder();

void setup() {
    // Initialize the OLED display
    u8g2.begin();
    
    // Initialize the encoder
    rotaryEncoder.begin();
    rotaryEncoder.setBoundaries(0, 15); // Set boundaries for steps

    // Create a FreeRTOS task for the looper
    xTaskCreate(taskLooper, "LooperTask", 2048, NULL, 1, NULL);
}

void loop() {
    // Handle encoder input
    handleEncoder();

    // Draw the UI on the OLED display
    drawUI();
}

void drawUI() {
    u8g2.clearBuffer(); // Clear the buffer

    // Draw Pac-Man at current step position
    int stepPosition = rotaryEncoder.getPosition();
    u8g2.drawBitmap(stepPosition * 8, 32, 16, 16, pacmanSprite); // Adjust position as needed

    // Draw food dots for each step
    for (int i = 0; i < 16; i++) {
        if (/* condition to check if food is present */) {
            u8g2.drawCircle(i * 8 + 4, 40, 3); // Food dot position
        }
    }

    u8g2.sendBuffer(); // Send buffer to display
}

void handleEncoder() {
    if (rotaryEncoder.encoderChanged()) {
        selectedChannel = rotaryEncoder.getPosition(); // Update selected channel based on encoder position
        loopRunning = false; // Pause loop when changing settings
    }

    if (rotaryEncoder.isButtonPressed()) {
        loopRunning = !loopRunning; // Toggle loop state on button press
        if (loopRunning) {
            // Start looping logic here
        } else {
            // Pause logic here
        }
    }
}

void taskLooper(void *pvParameters) {
    while (true) {
        if (loopRunning) {
            // Trigger logic for each step in the sequencer goes here
            
            vTaskDelay(pdMS_TO_TICKS(100)); // Delay to control loop speed
        } else {
            vTaskDelay(pdMS_TO_TICKS(50)); // Delay when paused to reduce CPU usage
        }
    }
}