macrotracker.py

def get_numeric_value(prompt):
    while True:
        raw_value = input(prompt).strip()
        try:
            return float(raw_value)
        except ValueError:
            print("Invalid input. Please enter a numerical value.")


def macro_entry():
    entries = []

    while True:
        food_name = input("Please enter name of food (or type 'done' to finish): ").strip()

        if not food_name:
            print("Food name cannot be empty.")
            continue

        if food_name.lower() == "done":
            break

        print(f"You have entered: {food_name}")
        calories = get_numeric_value("How many calories: ")
        protein = get_numeric_value("How much protein: ")
        fat = get_numeric_value("How much fat: ")
        carbs = get_numeric_value("How much carbs: ")

        entries.append(
            {
                "food": food_name,
                "calories": calories,
                "protein": protein,
                "fat": fat,
                "carbs": carbs,
            }
        )

    return entries


def print_table(entries):
    if not entries:
        print("\nNo food entries were added.")
        return

    headers = ["Food", "Calories", "Protein", "Fat", "Carbs"]
    rows = [
        [
            item["food"],
            f"{item['calories']:.2f}",
            f"{item['protein']:.2f}",
            f"{item['fat']:.2f}",
            f"{item['carbs']:.2f}",
        ]
        for item in entries
    ]

    widths = [len(header) for header in headers]
    for row in rows:
        for i, cell in enumerate(row):
            widths[i] = max(widths[i], len(cell))

    def format_row(row_values):
        return " | ".join(value.ljust(widths[i]) for i, value in enumerate(row_values))

    print("\nMacro Tracker Table")
    print(format_row(headers))
    print("-+-".join("-" * width for width in widths))
    for row in rows:
        print(format_row(row))

    total_calories = sum(item["calories"] for item in entries)
    total_protein = sum(item["protein"] for item in entries)
    total_fat = sum(item["fat"] for item in entries)
    total_carbs = sum(item["carbs"] for item in entries)

    total_row = [
        "TOTAL",
        f"{total_calories:.2f}",
        f"{total_protein:.2f}",
        f"{total_fat:.2f}",
        f"{total_carbs:.2f}",
    ]
    print("-+-".join("-" * width for width in widths))
    print(format_row(total_row))


if __name__ == "__main__":
    all_entries = macro_entry()
    print_table(all_entries)