"use client";

import React from "react";
import Link from "next/link";
import { Eye, FolderOpen } from "lucide-react";

import { dayPath } from "@/lib/frontend/routes";
import { buildPdfUrl } from "@/lib/frontend/explorer/pdfUrl";
import { formatSearchItemDateDe } from "@/lib/frontend/search/resultsSorting";

import { Button } from "@/components/ui/button";
import {
	Table,
	TableBody,
	TableCaption,
	TableCell,
	TableHead,
	TableHeader,
	TableRow,
} from "@/components/ui/table";

export default function SearchResultsTable({ routeBranch, items }) {
	// NOTE:
	// - We intentionally keep the column set stable:
	//   Branch | Date | File | Path | Actions
	// - For single-scope searches, all rows will show the same branch (routeBranch),
	//   but the consistent layout improves scanability and avoids “column jumping”.

	const list = Array.isArray(items) ? items : [];

	// UI fix:
	// - In `table-fixed` layouts, the action column must be wide enough for two buttons.
	// - We keep the buttons content-sized (no hard w-36 per button) and prevent shrink.
	const ACTIONS_COL_WIDTH = "w-56"; // ~14rem (tweak to w-52/w-60 if you prefer)

	return (
		<Table className="table-fixed">
			<TableCaption>
				Hinweis: PDFs werden in einem neuen Tab geöffnet.
			</TableCaption>

			<TableHeader>
				<TableRow>
					{/* Fixed-width columns keep the layout stable and prevent “action column drift”. */}
					<TableHead className="w-32">Niederlassung</TableHead>
					<TableHead className="w-28">Datum</TableHead>

					{/* Flexible columns: these must truncate to prevent horizontal scrolling. */}
					<TableHead>Datei</TableHead>
					<TableHead className="hidden md:table-cell">Pfad</TableHead>

					{/* Fixed actions column: wide enough for two buttons side-by-side */}
					<TableHead className={`${ACTIONS_COL_WIDTH} text-right`}>
						Aktionen
					</TableHead>
				</TableRow>
			</TableHeader>

			<TableBody>
				{list.map((it) => {
					const itemBranch = String(it?.branch || routeBranch);
					const year = String(it?.year || "");
					const month = String(it?.month || "");
					const day = String(it?.day || "");
					const filename = String(it?.filename || "");
					const relativePath = String(it?.relativePath || "");

					// Binary PDF endpoint: open in a new tab (do NOT fetch via apiClient).
					const pdfUrl = buildPdfUrl({
						branch: itemBranch,
						year,
						month,
						day,
						filename,
					});

					const dayHref = dayPath(itemBranch, year, month, day);

					// Stable key: relativePath is best; fallback is deterministic.
					const key =
						relativePath || `${itemBranch}/${year}/${month}/${day}/${filename}`;

					return (
						<TableRow key={key}>
							<TableCell className="w-32">
								<span className="text-sm">{itemBranch}</span>
							</TableCell>

							<TableCell className="w-28">
								<span className="text-sm">{formatSearchItemDateDe(it)}</span>
							</TableCell>

							{/* File column: must be shrinkable so truncate works in table-fixed layout. */}
							<TableCell className="min-w-0">
								<div className="min-w-0">
									<p className="truncate font-medium" title={filename}>
										{filename}
									</p>

									{/* Mobile: show path as secondary line instead of a dedicated column */}
									<p
										className="truncate text-xs text-muted-foreground md:hidden"
										title={relativePath}
									>
										{relativePath}
									</p>
								</div>
							</TableCell>

							{/* Path column (desktop): always truncate + title for full hover read. */}
							<TableCell className="hidden md:table-cell min-w-0">
								<span
									className="block max-w-full truncate text-xs text-muted-foreground"
									title={relativePath}
								>
									{relativePath}
								</span>
							</TableCell>

							{/* Actions: side-by-side, right-aligned, no fixed per-button width */}
							<TableCell className={ACTIONS_COL_WIDTH}>
								<div className="flex items-center justify-end gap-2">
									<Button
										variant="outline"
										size="sm"
										asChild
										className="shrink-0"
									>
										<a
											href={pdfUrl}
											target="_blank"
											rel="noopener noreferrer"
											aria-label={`PDF öffnen: ${filename}`}
											title={`PDF öffnen: ${filename}`}
										>
											<Eye className="h-4 w-4" />
											Öffnen
										</a>
									</Button>

									<Button
										variant="outline"
										size="sm"
										asChild
										className="shrink-0"
									>
										<Link href={dayHref} title="Zum Ordner">
											<FolderOpen className="h-4 w-4" />
											Zum Ordner
										</Link>
									</Button>
								</div>
							</TableCell>
						</TableRow>
					);
				})}
			</TableBody>
		</Table>
	);
}