from fastapi import FastAPI, HTTPException
from datetime import datetime, date
import dateutil.parser

app = FastAPI()

ben_franklin_virtues = {
    "Temperance": "Practice moderation in all things, especially eating and drinking. Don't overindulge.",
    "Silence": "Speak only when it contributes to the well-being of yourself or others. Avoid unnecessary chatter.",
    "Order": "Keep your personal and professional life organized. A tidy environment can lead to a tidy mind.",
    "Resolution": "Be determined in your actions. If you decide to do something, follow through until it's done.",
    "Frugality": "Be mindful of your spending. Save and invest wisely, and avoid unnecessary expenses.",
    "Industry": "Make the most of your time. Be productive and avoid idle activities.",
    "Sincerity": "Be genuine and honest in your interactions with others. Avoid deceit.",
    "Justice": "Treat others fairly and justly. Don't harm others by your actions or neglect.",
    "Moderation": "Avoid extremes. Be moderate in your actions and avoid holding extreme opinions.",
    "Cleanliness": "Keep your body, clothes, and living spaces clean. Good hygiene and cleanliness can contribute to good health.",
    "Tranquility": "Don't let minor issues upset you. Stay calm and composed, even in difficult situations.",
    "Chastity": "Respect your body and the bodies of others. Engage in sexual activities responsibly and consensually.",
    "Humility": "Be humble. Don't think too highly of yourself, and appreciate the value in others."
}


@app.get("/")
async def virtue(day: str = None):
    """
    Get the virtue of the week
    """
    if day is None:
        current_date = date.today()
    else:
        try:
            current_date = dateutil.parser.parse(day).date()
        except:
            raise HTTPException(status_code=400, 
                                detail="Invalid date format, please provide a date in the month/day/year format.")

    current_week = current_date.isocalendar()[1]

    virtues = list(ben_franklin_virtues.keys())

    virtue_of_the_week = virtues[(current_week - 1) % 13]

    return {
            "virtue": virtue_of_the_week,
            "content": ben_franklin_virtues[virtue_of_the_week]
            }