from flask import Blueprint, request, jsonify
from api import db, tasks
from api.models import Category

mod = Blueprint('categories', __name__, url_prefix='/categories')


@mod.route("/", methods=["GET"])
def list():
    page = request.args.get('page', 1, type=int)
    per_page = request.args.get('per_page', 10, type=int)
    categories = Category.query.paginate(page=page, per_page=per_page).items
    j = {
        'page': page,
        'per_page': per_page,
        'data': [c.to_json() for c in categories]
    }
    return jsonify(j)


@mod.route("/<int:id>", methods=["GET"])
def show(id):
    category = Category.query.get_or_404(id)
    return jsonify(category.to_json())


@mod.route("/<id>", methods=["PUT"])
def update(id):
    category = Category.query.get_or_404(id)
    data = request.json
    for k, v in data.items():
        setattr(category, k, v)
    db.session.add(category)
    db.session.commit()
    tasks.esales.update_category(category)
    return jsonify(category.to_json())