#include "stm32l0xx.h"
#include "stdio.h"
#include "stdlib.h"
#include "stm32l0xx_hal.h"

ADC_HandleTypeDef hadc1; // ADC handle for potentiometer 1
ADC_HandleTypeDef hadc2; // ADC handle for potentiometer 2

// Function prototypes
void initBLE(void);
void initSensors(void);
void initLED(void); // New function to initialize LED GPIO pin
void readPotentiometers(uint16_t *pot1, uint16_t *pot2);
uint8_t readPushButton(void); // New function to read push button state
void captureImage(void); // Placeholder for camera integration

int main(void) {
    // Initialize peripherals and setup
    HAL_Init(); // Initialize HAL library
    __HAL_RCC_GPIOA_CLK_ENABLE(); // Enable GPIOA clock
    __HAL_RCC_GPIOB_CLK_ENABLE(); // Enable GPIOB clock (for LED)

    // Initialize ADC handles for potentiometers
    hadc1.Instance = ADC1;
    hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4;
    hadc1.Init.Resolution = ADC_RESOLUTION_12B;
    hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
    hadc1.Init.ScanConvMode = DISABLE; // Disable scan mode
    hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
    hadc1.Init.LowPowerAutoWait = DISABLE;
    hadc1.Init.ContinuousConvMode = DISABLE;
    hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
    HAL_ADC_Init(&hadc1);

    hadc2.Instance = ADC1; // Corrected to ADC1 for the second ADC instance
    hadc2.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4;
    hadc2.Init.Resolution = ADC_RESOLUTION_12B;
    hadc2.Init.DataAlign = ADC_DATAALIGN_RIGHT;
    hadc2.Init.ScanConvMode = DISABLE; // Disable scan mode
    hadc2.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
    hadc2.Init.LowPowerAutoWait = DISABLE;
    hadc2.Init.ContinuousConvMode = DISABLE;
    hadc2.Init.ExternalTrigConv = ADC_SOFTWARE_START;
    HAL_ADC_Init(&hadc2);

    // Initialize GPIO pin A0 as input with pull-up resistor for push button
    GPIO_InitTypeDef GPIO_InitStruct;
    GPIO_InitStruct.Pin = GPIO_PIN_0; // Replace GPIO_PIN_0 with the actual pin number or name for A0
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    // Initialize LED GPIO pin (assuming it's connected to PB0)
    initLED();

    // Proceed with other initializations
    initBLE();
    initSensors();

    uint16_t pot1 = 0; // Variable to store potentiometer 1 reading
    uint16_t pot2 = 0; // Variable to store potentiometer 2 reading
    uint8_t pushButtonState = 0; // Variable to store push button state

    while (1) {
        // Read potentiometer readings
        readPotentiometers(&pot1, &pot2);

        // Read push button state
        pushButtonState = readPushButton();

        // Control LED based on potentiometer readings and push button state
        if (pot1 > 2048 || pot2 > 2048 || pushButtonState == GPIO_PIN_RESET) { // Example conditions, adjust as needed
            HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_SET); // Turn on LED
        } else {
            HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET); // Turn off LED
        }

        // Capture image (if camera integration is implemented)
        captureImage();

        // Delay for monitoring cycle
        // Adjust the delay as needed based on the required monitoring interval
        // For example, if the monitoring interval is 1 hour, delay for 1 hour
        // Here, we're using a delay of 1 second for demonstration purposes
        HAL_Delay(1000); // Delay for 1 second
    }
}

void initBLE(void) {
    // Placeholder for initializing the BLE module
    // Add code here to initialize BLE module
}

void initSensors(void) {
    // Placeholder for initializing sensors
    // Add code here to initialize sensors
}

void initLED(void) {
    GPIO_InitTypeDef GPIO_InitStruct;
    GPIO_InitStruct.Pin = GPIO_PIN_0; // Replace GPIO_PIN_0 with the actual pin number or name for LED
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; // Output push-pull
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
}

void readPotentiometers(uint16_t *pot1, uint16_t *pot2) {
    // Placeholder for reading potentiometer data
    // Add code here to read potentiometer data

    // Simulated potentiometer readings for demonstration
    *pot1 = HAL_ADC_GetValue(&hadc1); // Replace with actual reading from potentiometer 1
    *pot2 = HAL_ADC_GetValue(&hadc2); // Replace with actual reading from potentiometer 2
}

uint8_t readPushButton(void) {
    // Placeholder for reading push button state
    // Add code here to read push button state

    // Simulated push button state for demonstration
    return HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_0); // Replace with actual reading from push button
}

void captureImage(void) {
    // Placeholder for capturing image from camera
    // Add code here for camera integration (if implemented)
}