PCL Raspi Task Manager

import time
import busio
import digitalio
import board
import pymongo
from datetime import datetime
from PIL import Image, ImageDraw, ImageFont
import adafruit_rgb_display.ili9341 as ili9341
import sys

# Configuration for CS and DC pins:
CS_PIN = board.D14
DC_PIN = board.D23
RST_PIN = board.D24

# Setup SPI bus using hardware SPI:
spi = busio.SPI(clock=board.D11, MOSI=board.D10, MISO=board.D9)

# Create the ILI9341 display with rotation adjusted:
display = ili9341.ILI9341(spi, cs=digitalio.DigitalInOut(CS_PIN),
                          dc=digitalio.DigitalInOut(DC_PIN), rst=digitalio.DigitalInOut(RST_PIN), rotation=90)

# MongoDB URI (replace with your actual MongoDB URI)
uri = ""

# Connect to MongoDB using the URI
client = pymongo.MongoClient(uri)
db = client['taskdb']
tasks_collection = db['tasks']

# Create an image for drawing on the display
image = Image.new("RGB", (display.height, display.width))
draw = ImageDraw.Draw(image)

# Font setup (ensure you have a .ttf font file available, or use a basic font)
font = ImageFont.load_default()

# Function to display feedback or instructions on the screen
def display_feedback(message):
    # Clear the screen
    draw.rectangle((0, 0, display.height, display.width), outline=0, fill=(0, 0, 0))
    # Display the feedback message
    draw.text((10, 10), message, font=font, fill=(255, 255, 255))
    display.image(image)

# Function to display tasks on the upper half of the screen
def display_tasks():
    tasks = get_tasks()
    draw.rectangle((0, 0, display.height, display.width), outline=0, fill=(0, 0, 0))  # Clear the upper half
    y_offset = 10  # Starting position for task display

    # Convert the cursor to a list and check the length
    task_list = list(tasks)  # Convert Cursor to list
    if len(task_list) == 0:
        draw.text((10, y_offset), "No tasks found.", font=font, fill=(255, 255, 255))
    else:
        for task in task_list:
            task_name = task["name"]
            due_date = task["pDate"]
            is_past = task.get("isPast", False)

            # Set color based on isPast
            color = (255, 255, 255)  # Default white
            if is_past:
                color = (255, 0, 0)  # Red for past tasks

            draw.text((10, y_offset), f"{task_name} - {due_date}", font=font, fill=color)
            y_offset += 20  # Smaller spacing between tasks
            if y_offset > display.height // 2 - 30:  # Prevents tasks from overflowing
                break

    display.image(image)

# Function to get tasks from MongoDB
def get_tasks():
    current_time = datetime.now()
    tasks = tasks_collection.find({"isCompleted": False})  # Adjust filter based on "isPast"
    return tasks

# Function to create a task
def create_task(name, due_date):
    task = {
        "name": name,
        "date": datetime.strptime(due_date, "%m/%d/%y@%I:%M%p"),  # Convert string to datetime
        "isPast": False,
        "isCompleted": False,
        "timeLeft": "0d 18h 41m left",  # Static for now, can be updated later
        "pDate": f"Due: {datetime.strptime(due_date, '%m/%d/%y@%I:%M%p').strftime('%m/%d/%y @ %I:%M %p')}"
    }
    tasks_collection.insert_one(task)
    display_feedback(f"Task '{name}' created!")

# Function to complete a task in the database
def complete_task(task_name):
    tasks_collection.delete_one({"name": task_name})
    display_feedback(f"Task '{task_name}' marked as complete!")
    time.sleep(3)
    display_tasks()

# Function to handle input commands
def handle_input(command):
    parts = command.split()
    if len(parts) < 2:
        display_feedback("Invalid command!")
        return

    if parts[0] == "createTask":
        if len(parts) < 3:
            display_feedback("Invalid task creation command!")
            return
        task_name = parts[1]
        due_date = parts[2]
        create_task(task_name, due_date)
    elif parts[0] == "completeTask":
        task_name = parts[1]
        complete_task(task_name)
    else:
        display_feedback("Unknown command!")

# Main loop for user input via console
def main():
    print("Enter command: createTask [name] [due_date] or completeTask [task_name]")

    while True:
        display_tasks()
        # Get input from console
        command = input("Enter command: ")
        handle_input(command)
        time.sleep(0.1)  

if __name__ == "__main__":
    main()