import uuid

from django.contrib.auth.mixins import LoginRequiredMixin
from django.http import HttpResponseBadRequest
from django.shortcuts import render
from django.views import View
from two_factor.views.mixins import OTPRequiredMixin

from core.exchanges import GenericAPIError
from core.forms import TradeForm
from core.models import Trade
from core.util import logs
from core.views import (
    ObjectCreate,
    ObjectDelete,
    ObjectList,
    ObjectNameMixin,
    ObjectUpdate,
)

log = logs.get_logger(__name__)


class TradeAction(LoginRequiredMixin, OTPRequiredMixin, View):
    allowed_types = ["modal", "widget", "window", "page"]
    window_content = "window-content/trade.html"

    def get(self, request, type, trade_id):
        """
        Get live information for a trade.
        """
        if type not in self.allowed_types:
            return HttpResponseBadRequest()
        template_name = f"wm/{type}.html"
        unique = str(uuid.uuid4())[:8]

        db_info = Trade.get_by_id_or_order(trade_id, request.user)
        if db_info is None:
            return HttpResponseBadRequest("Trade not found.")
        if db_info.order_id is not None:
            try:
                if db_info.order_id == db_info.response["id"]:
                    db_info.order_id = str(int(db_info.order_id) + 1)
                    db_info.save()
                live_info = db_info.account.client.get_trade(db_info.order_id)
            except GenericAPIError as e:
                live_info = {"error": e}
        else:
            live_info = {}

        if type == "page":
            type = "modal"
        context = {
            "title": f"Trade info ({type})",
            "unique": unique,
            "window_content": self.window_content,
            "type": type,
            "db_info": db_info.__dict__,
            "live_info": live_info,
        }

        return render(request, template_name, context)


class TradeList(LoginRequiredMixin, OTPRequiredMixin, ObjectList):
    list_template = "partials/trade-list.html"
    model = Trade
    page_title = (
        "List of bot and manual trades. This may not reflect actual live trades."
    )
    page_subtitle = "Trades deleted here will not be closed on the exchange."

    list_url_name = "trades"
    list_url_args = ["type"]

    submit_url_name = "trade_create"

    delete_all_url_name = "trade_delete_all"


class TradeCreate(LoginRequiredMixin, OTPRequiredMixin, ObjectCreate):
    model = Trade
    form_class = TradeForm
    list_url_name = "trades"
    list_url_args = ["type"]

    submit_url_name = "trade_create"

    def post_save(self, obj):
        obj.post()
        log.debug(f"Posting trade {obj}")


class TradeUpdate(LoginRequiredMixin, OTPRequiredMixin, ObjectUpdate):
    model = Trade
    form_class = TradeForm
    list_url_name = "trades"
    list_url_args = ["type"]

    submit_url_name = "trade_update"


class TradeDelete(LoginRequiredMixin, OTPRequiredMixin, ObjectDelete):
    model = Trade

    list_url_name = "trades"
    list_url_args = ["type"]


class TradeDeleteAll(LoginRequiredMixin, OTPRequiredMixin, ObjectNameMixin, View):
    template_name = "partials/notify.html"
    model = Trade

    def delete(self, request):
        """
        Delete all trades by the current user
        """
        Trade.objects.filter(user=request.user).delete()
        context = {"message": "All trades deleted", "class": "success"}
        response = render(request, self.template_name, context)
        response["HX-Trigger"] = f"{self.context_object_name_singular}Event"
        return response