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from flask import Blueprint, jsonify, flash, request, render_template, redirect, url_for
from ..types.product import Product
from ..types.group import Group
from ..types.product_category import ProductCategory

import pdb
import json

pro = Blueprint('products', __name__, url_prefix = '/products')

@pro.route('/', methods = ['GET', 'POST'])
def index():
    if request.method == 'GET':
        products = Product.query.all()

        return render_template('products.html', products = products, title = "Produtos - Feira Virtual Bem da Terra")
    else:
        return create(request.form)

@pro.route('/new', methods = ['GET'])
def new():
    categories = ProductCategory.query.all()
    groups = Group.query.all()

    return render_template('new_product.html', groups = groups, categories = categories, title = "Novo Produto - Feira Virtual Bem da Terra")

def create(params):
    title = params.get('title')
    group_id = params.get('group_id')
    category_id = params.get('category_id')

    product = Product.query.filter_by(title = title, category_id = category_id, group_id = group_id).first()

    if product:
        flash('A product with this name for this group and category already exists')
        return redirect(url_for('products.new'))

    product = Product(
        title = title,
        description = params.get('description'),
        group_id = group_id,
        category_id = category_id,
        price = params.get('price')
    )

    product.create()

    return redirect(url_for('products.index'))

@pro.route("/<id>", methods = ['GET'])
def show(id):
    product = Product.query.filter_by(id = id).first()

    return jsonify(product.to_json())

@pro.route("/<id>/balance", methods = ['GET', 'POST'])
def balance(id):
    product = Product.query.filter_by(id = id).first()
    
    if request.method == "GET":
        return render_template('edit_product_balance.html', product = product, title = "Editar Balanco - Feira Virtual Bem da Terra")
    else:
        product.balance.update(
            value = float(request.form.get('value'))
        )

        return redirect(url_for('products.show', id = product.id))