"use client";
import React, { useState } from "react";
import Link from "next/link";
import { useRouter } from "next/navigation";
import { useTranslations, useLocale } from "next-intl";
import { Ellipsis, Plus, Trash2 } from "lucide-react";
import { Button } from "@/components/ui/button";
import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuTrigger } from "@/components/ui/dropdown-menu";
import {
    Dataset,
    DatasetTable,
    DatasetCol,
    DatasetToolbar,
    DatasetFilters,
    DatasetActionBar,
    DatasetAction
} from "@/components/ui/dataset";
import { SelectControl } from "@/components/form/control/select.control";
import { SelectTrigger, SelectItem, SelectValue, SelectContent } from "@/components/ui/select";
import { Badge } from "@/components/ui/badge";
import { DeleteDialog } from "@/components/dashboard/delete-dialog";
import { api } from "@/lib/trpc/client";
import type { AppRouterOutput } from "@/lib/trpc/router";
import { useQueryStates } from "@/lib/hooks/use-query-states";
import { FaqListQuerySchema } from "@/server/modules/faq/faq.validators";
import formatDate from "@/lib/utils/format-date";
import { FaqType } from "@/server/modules/faq/faq-type.enum";
import { Routes } from "@/config/routes";

type Faq = NonNullable<AppRouterOutput["faq"]["get"]>;

export const FaqList: React.FC = () => {
    const t = useTranslations("dashboard");
    const locale = useLocale();
    const router = useRouter();
    const [toDelete, setToDelete] = useState<Faq[]>([]);

    const [params, setParams] = useQueryStates(FaqListQuerySchema, {
        history: "replace",
        scroll: false,
        shallow: true,
        clearOnDefault: true
    });

    const { data: count = 0, refetch: refetchCount } = api.faq.count.useQuery({
        search: params.search || undefined,
        type: params.type || undefined
    });

    const { data: faqs = [], refetch: refetchList } = api.faq.list.useQuery({
        search: params.search || undefined,
        type: params.type || undefined,
        offset: params.page * params.perPage,
        limit: params.perPage,
        orderBy: params.orderBy,
        orderDir: params.orderDir
    });

    const deleteManyMutation = api.faq.deleteMany.useMutation({
        async onSuccess() {
            await Promise.all([refetchCount(), refetchList()]);
            setToDelete([]);
        }
    });

    return (
        <Dataset
          selection
          data={faqs}
          total={count}
          page={params.page}
          perPage={params.perPage}
          orderBy={params.orderBy}
          orderDir={params.orderDir}
          onOrderByChange={(orderBy) => setParams({ orderBy })}
          onOrderDirChange={(orderDir) => setParams({ orderDir })}
          onPageChange={(page) => setParams({ page })}
          onPerPageChange={(perPage) => setParams({ perPage })}>
            <DatasetToolbar>
                <DatasetFilters search filters={params} onChange={setParams}>
                    <SelectControl name="type">
                        <SelectTrigger className="w-full">
                            <SelectValue placeholder={t("faq.fields.type.placeholder")} />
                        </SelectTrigger>

                        <SelectContent className="max-h-[300px]">
                            {Object.values(FaqType).map((type) => {
                                return (
                                    <SelectItem key={type} value={type}>
                                        {type}
                                    </SelectItem>
                                );
                            })}
                        </SelectContent>
                    </SelectControl>
                </DatasetFilters>

                <div className="flex items-center gap-2">
                    <Button variant="outline" size="sm" asChild>
                        <Link href={Routes.DASHBOARD.FAQ_CREATE}>
                            <Plus className="h-4 w-4" />
                            {t("faq.actions.create")}
                        </Link>
                    </Button>
                </div>
            </DatasetToolbar>

            <DatasetTable>
                <DatasetCol<Faq, "title">
                  enableSorting
                  label={t("faq.fields.title.label")}
                  name="title"
                  render={(title, row) => (
                    <Link
                      className="hover:text-primary flex items-center gap-1 hover:underline"
                      href={Routes.DASHBOARD.FAQ_EDIT(row.id)}>
                        {title}
                    </Link>
                  )} />

                <DatasetCol<Faq, "type">
                  enableSorting
                  label={t("faq.fields.type.label")}
                  name="type"
                  render={(type) => type ? (
                    <Badge variant="outline" className="py-1">{type}</Badge>
                  ) : null} />

                <DatasetCol<Faq, "createdAt">
                  enableSorting
                  label={t("faq.fields.createdAt.label")}
                  name="createdAt"
                  render={(createdAt) => formatDate(createdAt, { locale, day: "numeric", month: "long", year: "numeric" })} />

                <DatasetCol<Faq, "id">
                  label=""
                  name="id"
                  render={(_id, faq) => (
                    <DropdownMenu>
                        <DropdownMenuTrigger asChild>
                            <Button
                              className="data-[state=open]:bg-muted flex size-8 p-0"
                              variant="ghost"
                              aria-label={t("general.actions.openMenu")}>
                                <Ellipsis className="size-4" aria-hidden="true" />
                            </Button>
                        </DropdownMenuTrigger>

                        <DropdownMenuContent>
                            <DropdownMenuItem onClick={() => router.push(Routes.DASHBOARD.FAQ_EDIT(faq.id))}>
                                {t("general.actions.edit")}
                            </DropdownMenuItem>

                            <DropdownMenuItem
                              variant="destructive"
                              onClick={() => setToDelete([faq])}>
                                {t("general.actions.delete")}
                            </DropdownMenuItem>
                        </DropdownMenuContent>
                    </DropdownMenu>
                  )} />
            </DatasetTable>

            <DatasetActionBar>
                <DatasetAction<Faq>
                  size="icon"
                  variant="destructive"
                  onClick={(rows) => setToDelete(rows.map(r => r.original))}>
                    <Trash2 />
                </DatasetAction>
            </DatasetActionBar>

            <DeleteDialog
              open={toDelete.length > 0}
              pending={deleteManyMutation.isPending}
              onConfirm={async () => {
                await deleteManyMutation.mutateAsync({ ids: toDelete.map(f => f.id) });
              }}
              onCancel={() => setToDelete([])} />
        </Dataset>
    );
};