from django.contrib.auth.decorators import login_required
from django.http import HttpRequest, HttpResponse
from django.shortcuts import get_object_or_404, redirect
from django.urls import reverse
from django.utils.safestring import mark_safe

from common.components import (
    A,
    AddForm,
    Button,
    ButtonGroup,
    Icon,
    paginated_table_content,
    DeviceFilterBar,
    ModuleScript,
)
from common.layout import render_page
from common.time import dateformat, local_strftime
from common.utils import paginate
from games.filters import parse_device_filter
from games.forms import DeviceForm
from games.models import Device


@login_required
def list_devices(request: HttpRequest) -> HttpResponse:
    devices = Device.objects.order_by("-created_at")

    filter_json = request.GET.get("filter", "")
    if filter_json:
        device_filter = parse_device_filter(filter_json)
        if device_filter is not None:
            devices = devices.filter(device_filter.to_q())

    devices, page_obj, elided_page_range = paginate(request, devices)

    data = {
        "header_action": A([], Button([], "Add device"), url_name="games:add_device"),
        "columns": [
            "Name",
            "Type",
            "Created",
            "Actions",
        ],
        "rows": [
            [
                device.name,
                device.get_type_display(),
                local_strftime(device.created_at, dateformat),
                ButtonGroup(
                    [
                        {
                            "href": reverse("games:edit_device", args=[device.pk]),
                            "slot": Icon("edit"),
                            "color": "gray",
                        },
                        {
                            "href": reverse("games:delete_device", args=[device.pk]),
                            "slot": Icon("delete"),
                            "color": "red",
                        },
                    ]
                ),
            ]
            for device in devices
        ],
    }
    content = paginated_table_content(
        data,
        page_obj=page_obj,
        elided_page_range=elided_page_range,
        request=request,
    )
    filter_bar = DeviceFilterBar(
        filter_json=filter_json,
        preset_list_url=reverse("games:list_presets") + "?mode=devices",
        preset_save_url=reverse("games:save_preset") + "?mode=devices",
    )
    content = mark_safe(str(filter_bar) + str(content))
    return render_page(
        request,
        content,
        title="Manage devices",
        scripts=ModuleScript("range_slider.js")
        + ModuleScript("search_select.js")
        + ModuleScript("filter_bar.js"),
    )


@login_required
def edit_device(request: HttpRequest, device_id: int = 0) -> HttpResponse:
    device = get_object_or_404(Device, id=device_id)
    form = DeviceForm(request.POST or None, instance=device)
    if form.is_valid():
        form.save()
        return redirect("games:list_devices")

    return render_page(request, AddForm(form, request=request), title="Edit device")


@login_required
def delete_device(request: HttpRequest, device_id: int) -> HttpResponse:
    device = get_object_or_404(Device, id=device_id)
    device.delete()
    return redirect("games:list_sessions")


@login_required
def add_device(request: HttpRequest) -> HttpResponse:
    form = DeviceForm(request.POST or None)
    if form.is_valid():
        form.save()
        return redirect("games:index")

    return render_page(request, AddForm(form, request=request), title="Add New Device")