import json
from django.http import JsonResponse
from django.views.decorators.csrf import csrf_exempt

from api import api
from utils import decimal_to_float, format_token

@csrf_exempt
async def shop(request):
    try:
        products = None
        if request.method == 'GET':
            products = api.get_products()
            user_agent = request.headers.get('User-Agent')
            products = decimal_to_float(products)
            print("get_shop", user_agent)
        return JsonResponse({"success": products}, status=200)
    except Exception as error:
        return JsonResponse({"error": format(error)}, status=500)

initialUser = {
    "id": -1,
    "nickname": '',
    "email": '',
    "token": '',
    "token_expiry_date": '',
    "money": '',
    "histories_id": []
}

@csrf_exempt
async def user(request):
    try:
        user1 = dict()
        if request.method == 'POST':

            if request.body:
                body: dict = json.loads(request.body)

                if "register" in body.keys():
                    token = api.registration(body["register"]["nickname"],
                                            body["register"]["password"],
                                            body["register"]["email"])
                elif "login" in body.keys():
                    token = api.login(body["login"]["email"],
                                    body["login"]["password"])
                elif "unregister" in body.keys():
                    token = format_token(request.headers.get("Authorization"))
                    api.unregister(token)
                    return JsonResponse({"success": [initialUser]}, status=200)
                elif "logout" in body.keys():
                    token = format_token(request.headers.get("Authorization"))
                    api.logout(token)
                    return JsonResponse({"success": [initialUser]}, status=200)
                elif "add_money" in body.keys():
                    token = format_token(request.headers.get("Authorization"))
                    api.add_money(token, body["add_money"]["money"])
            else:
                token = format_token(request.headers.get("Authorization"))

            user1 = api.get_user(token)

        return JsonResponse({"success": [user1]}, status=200)
    except Exception as error:
        return JsonResponse({"error": format(error)}, status=500)


@csrf_exempt
async def basket(request):
    try:
        basket1 = None
        if request.method == 'POST':
            token = format_token(request.headers.get("Authorization"))

            if request.body:
                body: dict = json.loads(request.body)
                if "add_product" in body.keys():
                    api.add_product_to_basket(token, body["add_product"]["product_id"])
                elif "delete_product" in body.keys():
                    api.delete_product_from_basket(token, body["delete_product"]["product_id"])
                elif "clear" in body.keys():
                    api.clear_basket(token)
                elif "buy_products" in body.keys():
                    api.buy_products(token)

            products_id = api.get_products_id(token, "basket")
            basket1 = api.get_products_by_id(products_id)

        return JsonResponse({"success": basket1}, status=200)
    except Exception as error:
        return JsonResponse({"error": format(error)}, status=500)

@csrf_exempt
async def history(request):
    try:
        histories = None
        if request.method == 'POST':
            token = format_token(request.headers.get("Authorization"))
            histories = api.get_histories_with_products(token)
        return JsonResponse({"success": histories}, status=200)
    except Exception as error:
        return JsonResponse({"error": format(error)}, status=500)