"""
this page is handling the cbv methods of holiday page
"""

from typing import Any

from django.contrib import messages
from django.http import HttpResponse
from django.urls import reverse, reverse_lazy
from django.utils.decorators import method_decorator
from django.utils.translation import gettext_lazy as _

from base.filters import HolidayFilter
from base.forms import HolidayForm, HolidaysColumnExportForm
from base.models import Holidays
from horilla_views.cbv_methods import login_required, permission_required
from horilla_views.generic.cbv.views import (
    HorillaDetailedView,
    HorillaFormView,
    HorillaListView,
    HorillaNavView,
    TemplateView,
)


@method_decorator(login_required, name="dispatch")
class HolidaysView(TemplateView):
    """
    for page view
    """

    template_name = "cbv/holidays/holidays_home.html"


@method_decorator(login_required, name="dispatch")
class HolidayListView(HorillaListView):
    """
    list view
    """

    bulk_update_fields = ["recurring"]

    filter_class = HolidayFilter
    model = Holidays

    def __init__(self, **kwargs: Any) -> None:
        super().__init__(**kwargs)
        self.search_url = reverse("holiday-filter")
        self.view_id = "holidaydelete"
        if self.request.user.has_perm("add_holiday"):
            self.action_method = "holidays_actions"

    columns = [
        (_("Holiday Name"), "name"),
        (_("Start Date"), "start_date"),
        (_("End Date"), "end_date"),
        (_("Recurring"), "get_recurring_status"),
    ]

    header_attrs = {
        "name": """ style="width:200px !important;"
                                """,
    }

    sortby_mapping = [
        ("Holiday Name", "name"),
        ("Start Date", "start_date"),
        ("End Date", "end_date"),
    ]

    row_attrs = """
                hx-get='{detail_view}?instance_ids={ordered_ids}'
                hx-target="#genericModalBody"
                data-target="#genericModal"
                data-toggle="oh-modal-toggle"
                """

    records_per_page = 10


@method_decorator(login_required, name="dispatch")
class HolidayNavView(HorillaNavView):
    """
    nav bar
    """

    def __init__(self, **kwargs: Any) -> None:
        super().__init__(**kwargs)
        self.search_url = reverse("holiday-filter")
        if self.request.user.has_perm("add_holiday"):
            self.create_attrs = f"""
                hx-get="{reverse_lazy('holiday-creation')}"
                hx-target="#genericModalBody"
                data-target="#genericModal"
                data-toggle="oh-modal-toggle"
            """
            self.actions = [
                {
                    "action": _("Import"),
                    "attrs": """
                    onclick="
                    importHolidays();
                    "
                    data-toggle = "oh-modal-toggle"
                    data-target = "#holidayImport
                    "
                    style="cursor: pointer;"
                """,
                },
                {
                    "action": _("Export"),
                    "attrs": f"""
                    data-toggle = "oh-modal-toggle"
                    data-target = "#genericModal"
                    hx-target="#genericModalBody"
                    hx-get ="{reverse('holiday-nav-export')}"
                    style="cursor: pointer;"
                """,
                },
                {
                    "action": _("Delete"),
                    "attrs": """
                        onclick="
                        bulkDeleteHoliday();
                        "
                        data-action ="delete"
                        style="cursor: pointer; color:red !important"
                    """,
                },
            ]

    nav_title = _("Holidays")
    filter_body_template = "cbv/holidays/holiday_filter.html"
    filter_form_context_name = "form"
    filter_instance = HolidayFilter()
    search_swap_target = "#listContainer"


@method_decorator(login_required, name="dispatch")
class HolidayDetailView(HorillaDetailedView):
    """
    detail view of the page
    """

    model = Holidays
    title = _("Details")

    header = {"title": "name", "subtitle": "", "avatar": "get_avatar"}
    body = {
        (_("Holiday Name"), "name"),
        (_("Start Date"), "start_date"),
        (_("End Date"), "end_date"),
        (_("Recurring"), "get_recurring_status"),
    }

    action_method = "detail_view_actions"


@method_decorator(login_required, name="dispatch")
class HolidayExport(TemplateView):
    """
    for bulk export
    """

    template_name = "cbv/holidays/holidays_export.html"

    def get_context_data(self, **kwargs: Any):
        """
        get data for export
        """

        holiday = Holidays.objects.all()
        export_column = HolidaysColumnExportForm
        export_filter = HolidayFilter(queryset=holiday)
        context = super().get_context_data(**kwargs)
        context["export_column"] = export_column
        context["export_filter"] = export_filter
        return context


@method_decorator(login_required, name="dispatch")
@method_decorator(permission_required("leave.add_holiday"), name="dispatch")
class HolidayFormView(HorillaFormView):
    """
    form view for create button
    """

    form_class = HolidayForm
    model = Holidays
    new_display_title = _("Create Holiday")

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        if self.form.instance.pk:
            self.form_class.verbose_name = _("Update Holiday")

        return context

    def form_valid(self, form: HolidayForm) -> HttpResponse:
        if form.is_valid():
            if form.instance.pk:
                message = _("Holiday Updated Successfully")
            else:
                message = _("New Holiday Created Successfully")
            form.save()

            messages.success(self.request, _(message))
            return self.HttpResponse()
        return super().form_valid(form)