import { useState } from "react";
import { useMutation, useQueryClient } from "@tanstack/react-query";
import { Calendar, Clock, Database, FolderTree, HardDrive, Trash2, X } from "lucide-react";
import { useNavigate } from "react-router";
import { toast } from "sonner";
import { ByteSize } from "~/client/components/bytes-size";
import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "~/client/components/ui/table";
import { Tooltip, TooltipContent, TooltipTrigger } from "~/client/components/ui/tooltip";
import { Button } from "~/client/components/ui/button";
import {
	AlertDialog,
	AlertDialogAction,
	AlertDialogCancel,
	AlertDialogContent,
	AlertDialogDescription,
	AlertDialogFooter,
	AlertDialogHeader,
	AlertDialogTitle,
} from "~/client/components/ui/alert-dialog";
import { formatDuration } from "~/utils/utils";
import type { ListSnapshotsResponse } from "../api-client";
import { deleteSnapshotMutation } from "~/client/api-client/@tanstack/react-query.gen";
import { parseError } from "~/client/lib/errors";

type Snapshot = ListSnapshotsResponse[number];

type Props = {
	snapshots: Snapshot[];
	repositoryName: string;
};

export const SnapshotsTable = ({ snapshots, repositoryName }: Props) => {
	const navigate = useNavigate();
	const queryClient = useQueryClient();
	const [showDeleteConfirm, setShowDeleteConfirm] = useState(false);
	const [snapshotToDelete, setSnapshotToDelete] = useState<string | null>(null);

	const deleteSnapshot = useMutation({
		...deleteSnapshotMutation(),
		onSuccess: () => {
			queryClient.invalidateQueries({ queryKey: ["listSnapshots"] });
			setShowDeleteConfirm(false);
			setSnapshotToDelete(null);
		},
	});

	const handleDeleteClick = (e: React.MouseEvent, snapshotId: string) => {
		e.stopPropagation();
		setSnapshotToDelete(snapshotId);
		setShowDeleteConfirm(true);
	};

	const handleConfirmDelete = () => {
		if (snapshotToDelete) {
			toast.promise(
				deleteSnapshot.mutateAsync({
					path: { name: repositoryName, snapshotId: snapshotToDelete },
				}),
				{
					loading: "Deleting snapshot...",
					success: "Snapshot deleted successfully",
					error: (error) => parseError(error)?.message || "Failed to delete snapshot",
				},
			);
		}
	};

	const handleRowClick = (snapshotId: string) => {
		navigate(`/repositories/${repositoryName}/${snapshotId}`);
	};

	return (
		<>
			<div className="overflow-x-auto">
				<Table className="border-t">
					<TableHeader className="bg-card-header">
						<TableRow>
							<TableHead className="uppercase">Snapshot ID</TableHead>
							<TableHead className="uppercase">Date & Time</TableHead>
							<TableHead className="uppercase">Size</TableHead>
							<TableHead className="uppercase hidden md:table-cell text-right">Duration</TableHead>
							<TableHead className="uppercase hidden text-right lg:table-cell">Paths</TableHead>
							<TableHead className="uppercase text-right">Actions</TableHead>
						</TableRow>
					</TableHeader>
					<TableBody>
						{snapshots.map((snapshot) => (
							<TableRow
								key={snapshot.short_id}
								className="hover:bg-accent/50 cursor-pointer"
								onClick={() => handleRowClick(snapshot.short_id)}
							>
								<TableCell className="font-mono text-sm">
									<div className="flex items-center gap-2">
										<HardDrive className="h-4 w-4 text-muted-foreground" />
										<span className="text-strong-accent">{snapshot.short_id}</span>
									</div>
								</TableCell>
								<TableCell>
									<div className="flex items-center gap-2">
										<Calendar className="h-4 w-4 text-muted-foreground" />
										<span className="text-sm">{new Date(snapshot.time).toLocaleString()}</span>
									</div>
								</TableCell>
								<TableCell>
									<div className="flex items-center gap-2">
										<Database className="h-4 w-4 text-muted-foreground" />
										<span className="font-medium">
											<ByteSize bytes={snapshot.size} base={1024} />
										</span>
									</div>
								</TableCell>
								<TableCell className="hidden md:table-cell">
									<div className="flex items-center justify-end gap-2">
										<Clock className="h-4 w-4 text-muted-foreground" />
										<span className="text-sm text-muted-foreground">{formatDuration(snapshot.duration / 1000)}</span>
									</div>
								</TableCell>
								<TableCell className="hidden lg:table-cell">
									<div className="flex items-center justify-end gap-2">
										<FolderTree className="h-4 w-4 text-muted-foreground" />
										<Tooltip>
											<TooltipTrigger asChild>
												<span className="text-xs bg-primary/10 text-primary rounded-md px-2 py-1 cursor-help">
													{snapshot.paths.length} {snapshot.paths.length === 1 ? "path" : "paths"}
												</span>
											</TooltipTrigger>
											<TooltipContent side="top" className="max-w-md">
												<div className="flex flex-col gap-1">
													{snapshot.paths.map((path) => (
														<div key={`${snapshot.short_id}-${path}`} className="text-xs font-mono">
															{path}
														</div>
													))}
												</div>
											</TooltipContent>
										</Tooltip>
									</div>
								</TableCell>
								<TableCell className="text-right">
									<Button
										variant="ghost"
										size="sm"
										onClick={(e) => handleDeleteClick(e, snapshot.short_id)}
										disabled={deleteSnapshot.isPending}
									>
										<Trash2 className="h-4 w-4 text-destructive" />
									</Button>
								</TableCell>
							</TableRow>
						))}
					</TableBody>
				</Table>
			</div>

			<AlertDialog open={showDeleteConfirm} onOpenChange={setShowDeleteConfirm}>
				<AlertDialogContent>
					<AlertDialogHeader>
						<AlertDialogTitle>Delete snapshot?</AlertDialogTitle>
						<AlertDialogDescription>
							This action cannot be undone. This will permanently delete the snapshot and all its data from the
							repository.
						</AlertDialogDescription>
					</AlertDialogHeader>
					<AlertDialogFooter>
						<AlertDialogCancel>
							<X className="h-4 w-4 mr-2" />
							Cancel
						</AlertDialogCancel>
						<AlertDialogAction
							onClick={handleConfirmDelete}
							disabled={deleteSnapshot.isPending}
							className="bg-destructive text-destructive-foreground hover:bg-destructive/90"
						>
							<Trash2 className="h-4 w-4 mr-2" />
							Delete snapshot
						</AlertDialogAction>
					</AlertDialogFooter>
				</AlertDialogContent>
			</AlertDialog>
		</>
	);
};