from django.shortcuts import render
from django.views import View
from rest_framework.parsers import FormParser
from rest_framework.views import APIView

from core.lib.manage.threshold import (
    edit_irc_network,
    get_irc_channels,
    get_irc_network,
    get_irc_networks,
    get_irc_relays,
    get_irc_stats,
)
from core.views.manage.permissions import SuperUserRequiredMixin


class ThresholdIRCStats(SuperUserRequiredMixin, View):
    stats_template = "dynamic/manage/threshold/irc/overview/stats.html"

    def post(self, request):
        stats = get_irc_stats()
        context = {"stats": stats}
        return render(request, self.stats_template, context)


class ThresholdIRCNetworks(SuperUserRequiredMixin, View):
    template_name = "dynamic/manage/threshold/irc/overview/networks.html"

    def post(self, request):
        networks = get_irc_networks()
        context = {"networks": networks}
        return render(request, self.template_name, context)


class ThresholdIRCNetworkInfo(SuperUserRequiredMixin, View):
    template_name = "dynamic/manage/threshold/irc/network/info.html"

    def post(self, request, net):
        network = get_irc_network(net)
        context = {"network": network}
        return render(request, self.template_name, context)


class ThresholdIRCNetworkInfoEdit(SuperUserRequiredMixin, APIView):
    template_name = "dynamic/manage/threshold/irc/network/edit-network.html"
    parser_classes = [FormParser]

    def get(self, request, net):
        """
        Return the form to edit a network.
        """
        network = get_irc_network(net)
        editable = ["auth", "host", "last", "port", "security"]
        context = {
            "net": net,
            "network": {k: v for k, v in network.items() if k in editable},
        }
        return render(request, self.template_name, context)

    def post(self, request, net):
        """
        Actually edit the network.
        Returns the info pane with a message about the success.
        """
        template_name = "dynamic/manage/threshold/irc/network/info.html"
        edited = edit_irc_network(net, request.data)
        if edited["success"]:
            message = "Successfully edited!"
            message_class = "success"
        else:
            if "reason" in edited:
                message = f"Error editing network: {edited['reason']}"
            else:
                message = "Error editing network"
            message_class = "danger"
        network = get_irc_network(net)
        context = {"network": network, "message": message, "class": message_class}
        return render(request, template_name, context)


class ThresholdIRCNetworkRelays(SuperUserRequiredMixin, View):
    template_name = "dynamic/manage/threshold/irc/network/relays.html"

    def post(self, request, net):
        relays = get_irc_relays(net)
        context = {"relays": relays["relays"]}
        return render(request, self.template_name, context)


class ThresholdIRCNetworkChannels(SuperUserRequiredMixin, View):
    template_name = "dynamic/manage/threshold/irc/network/channels.html"

    def post(self, request, net):
        channels = get_irc_channels(net)
        context = {"channels": channels["channels"]}
        return render(request, self.template_name, context)