"use client";

import { Button } from "@app/components/ui/button";
import { cn } from "@app/lib/cn";
import { LayoutGrid, SearchX } from "lucide-react";
import { useTranslations } from "next-intl";

type LauncherEmptyStateVariant = "empty" | "noResults";

type LauncherEmptyStateProps = {
    variant: LauncherEmptyStateVariant;
    layout: "grid" | "list";
    query?: string;
    onClearFilters?: () => void;
};

function GhostResourceGrid() {
    return (
        <div
            className="grid w-full grid-cols-1 gap-2.5 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 [&>*]:min-w-0"
            aria-hidden
        >
            {Array.from({ length: 4 }).map((_, index) => (
                <div
                    key={index}
                    className="flex min-w-0 flex-col gap-2.5 rounded-xl border border-border/60 bg-muted/20 p-4"
                >
                    <div className="flex items-center gap-5">
                        <div className="size-10 shrink-0 rounded-lg bg-muted/60" />
                        <div className="flex min-w-0 flex-1 flex-col gap-1.5">
                            <div className="h-3.5 w-3/5 rounded bg-muted/60" />
                            <div className="h-3 w-2/5 rounded bg-muted/40" />
                        </div>
                    </div>
                </div>
            ))}
        </div>
    );
}

function GhostResourceList() {
    return (
        <div className="flex w-full flex-col" aria-hidden>
            {Array.from({ length: 3 }).map((_, index) => (
                <div
                    key={index}
                    className={cn(
                        "flex items-center gap-4 px-4 py-3",
                        index < 2 && "border-b border-border/60"
                    )}
                >
                    <div className="size-8 shrink-0 rounded-lg bg-muted/60" />
                    <div className="flex min-w-0 flex-1 flex-col gap-1.5">
                        <div className="h-3.5 w-2/5 rounded bg-muted/60" />
                        <div className="h-3 w-1/4 rounded bg-muted/40" />
                    </div>
                </div>
            ))}
        </div>
    );
}

export function LauncherEmptyState({
    variant,
    layout,
    query,
    onClearFilters
}: LauncherEmptyStateProps) {
    const t = useTranslations();
    const isNoResults = variant === "noResults";
    const Icon = isNoResults ? SearchX : LayoutGrid;
    const trimmedQuery = query?.trim();

    return (
        <div className="relative w-full overflow-hidden rounded-xl border border-dashed border-border">
            <div className="pointer-events-none absolute inset-0 opacity-50">
                {layout === "grid" ? (
                    <GhostResourceGrid />
                ) : (
                    <GhostResourceList />
                )}
            </div>
            <div className="relative flex min-h-56 flex-col items-center justify-center gap-4 px-6 py-12 text-center">
                <div className="flex size-12 items-center justify-center rounded-full bg-muted">
                    <Icon className="size-5 text-muted-foreground" />
                </div>
                <div className="max-w-md space-y-1.5">
                    <h3 className="text-base font-semibold text-foreground">
                        {isNoResults
                            ? t("resourceLauncherEmptyStateNoResultsTitle")
                            : t("resourceLauncherEmptyStateTitle")}
                    </h3>
                    <p className="text-sm text-muted-foreground">
                        {isNoResults
                            ? trimmedQuery
                                ? t(
                                      "resourceLauncherEmptyStateNoResultsWithQuery",
                                      { query: trimmedQuery }
                                  )
                                : t(
                                      "resourceLauncherEmptyStateNoResultsDescription"
                                  )
                            : t("resourceLauncherEmptyStateDescription")}
                    </p>
                </div>
                {isNoResults && onClearFilters ? (
                    <Button
                        variant="outline"
                        size="sm"
                        onClick={onClearFilters}
                    >
                        {t("clearAllFilters")}
                    </Button>
                ) : null}
            </div>
        </div>
    );
}