from flask import Flask, render_template, redirect, url_for, request, abort, g
import json

from book import Book
import isbn_db

app = Flask(__name__)

app.config["DATABASE"] = "data/books.sqlite"

@app.route("/submit-isbn")
def submit_isbn():
    if "isbn" not in request.args:
        return "/submit-isbn?isbn=xxxxxx"

    try:
        book = Book(request.args["isbn"])
    except ValueError:
        return "Pas le bon format de QR code"

    try:
        book.load()
    except KeyError:
        isbn_db.add_book(book)
        return "Pas trouvé, à rajouter manuellement"

    print("Got ", book)
    if isbn_db.add_book(book) == "duplicate":
        return f"{book.title} ajouté (plusieurs occurrences)"
    return f"{book.title} ajouté"


@app.after_request
def after_request(response):
    """Automatically close db after each request"""
    if ('db' in g) and (g.db is not None):
        g.db.close()
    return response