from django.shortcuts import render
from django.contrib.auth.decorators import permission_required, login_required
from django.views.decorators.http import require_http_methods
from django.views.decorators.csrf import ensure_csrf_cookie
from django.http import HttpResponse, HttpResponseRedirect
from django.conf import settings
from django.utils.translation import ugettext as _
from django.forms.models import model_to_dict

import logging
import html

from members.views.utils import *
from members.tables import PaymentTable
from members.forms import PaymentForm
from members.views import error_view


@ensure_csrf_cookie
@require_http_methods(["GET"])
@login_required(login_url="/admin/login")
@permission_required("members.read_payment", raise_exception=True)
def payment_list(request, *args, **kwargs):
    """Render list of payments."""
    search = request.GET.get("q", None)
    if search:
        payments = Payment.find_payments_by_name(search)
    else:
        payments = Payment.objects.all()

    table = PaymentTable(
        payments,
        request=request,
        exclude=["id"],
        attrs={"class": "table table-bordered table-hover"},
    )

    table.paginate(page=request.GET.get("page", 1), per_page=25)
    table_html = convert_table_to_html(table, request)

    context = {
        "table": table_html,
        "payment_count": len(payments),
        "notification": request.GET.get("notification", None),
    }
    return render(request, "payment_list.html", context)


@ensure_csrf_cookie
@require_http_methods(["GET"])
@login_required(login_url="/admin/login")
@permission_required("members.add_payment", raise_exception=True)
def payment_add(request, *args, **kwargs):
    """Render add payment form."""
    form = PaymentForm()
    return render(request, "payment_add.html", {"form": form})


@ensure_csrf_cookie
@require_http_methods(["POST"])
@login_required(login_url="/admin/login")
@permission_required("members.add_payment", raise_exception=True)
def payment_submit(request, *args, **kwargs):
    """Submit payment."""
    form = PaymentForm(request.POST)
    if form.is_valid():
        form.save()
        logging.info(
            "Saved new payment to member register with the following info: {}".format(
                form.cleaned_data
            )
        )
        notification = "{} {}.".format(
            _("Successfully added payment for member"), form.cleaned_data["member"]
        )
        return HttpResponseRedirect(
            "/members/payments?notification={}".format(html.escape(notification))
        )
    else:
        return error_view(request, form.errors)


@ensure_csrf_cookie
@require_http_methods(["GET"])
@login_required(login_url="/admin/login")
@permission_required("members.change_payment", raise_exception=True)
def payment_edit(request, *args, **kwargs):
    """Edit payment."""
    i = kwargs.pop("index", None)
    if i is None:
        return error_view(request, _("No payment id specified"))
    else:
        payment = Payment.objects.get(id=i)
        form = PaymentForm(instance=payment)
        return render(request, "payment_edit.html", {"payment_id": i, "form": form})


@ensure_csrf_cookie
@require_http_methods(["GET"])
@login_required(login_url="/admin/login")
@permission_required("members.delete_payment", raise_exception=True)
def payment_delete_confirm(request, *args, **kwargs):
    """Render payment delete confirmation page."""
    i = kwargs.pop("index", None)
    if i is None:
        return error_view(request, _("No payment id specified"))
    else:
        payment = Payment.objects.get(id=i)
        form = PaymentForm(instance=payment)
        return render(
            request, "payment_delete_confirm.html", {"payment_id": i, "form": form}
        )


@ensure_csrf_cookie
@require_http_methods(["POST"])
@login_required(login_url="/admin/login")
@permission_required("members.delete_payment", raise_exception=True)
def payment_delete(request, *args, **kwargs):
    """Delete payment."""
    try:
        id = request.POST["id"]
    except KeyError:
        return error_view(request, _("No payment id specified"))

    try:
        payment = Payment.objects.get(id=id)
        notification = "{} {}.".format(_("Successfully deleted payment"), str(payment))
        payment.delete()
        logging.info("Delete payment '{}' in member register".format(str(payment)))
        return HttpResponseRedirect(
            "/members/payments?notification={}".format(html.escape(notification))
        )
    except:
        return error_view(request, _("Could not delete payment object"))


@ensure_csrf_cookie
@require_http_methods(["POST"])
@login_required(login_url="/admin/login")
@permission_required("members.change_payment", raise_exception=True)
def payment_update(request, *args, **kwargs):
    """Update payment information."""
    form = PaymentForm(request.POST)
    if form.is_valid():
        id = request.POST["id"]
        payment = Payment.objects.get(id=id)
        form = PaymentForm(request.POST, instance=payment)
        form.save()

        logging.info(
            "Updated member in member register with the following info: {}".format(form)
        )
        notification = "{} {}.".format(_("Successfully updated payment"), str(payment))
        return HttpResponseRedirect(
            "/members/payments?notification={}".format(html.escape(notification))
        )
    else:
        return error_view(request, _("Could not update payment object"))