"use client"

import { useState } from "react";
import {
    Table,
    TableBody,
    TableCell,
    TableHead,
    TableHeader,
    TableRow,
} from "@/components/ui/table";
import { Button } from "@/components/ui/button";
import { EyeIcon, EyeOffIcon, PencilIcon } from "lucide-react";
import { revealCredential } from "@/modules/shared/actions/credentials";
import { getServiceById } from "@/modules/shared/data/services-data";
import { CredentialDialog } from "./credential-dialog";
import { DeleteCredentialDialog } from "./delete-credential-dialog";
import { ServiceLogo } from "./service-logo";

type Credential = {
    id: string;
    service: string;
    username: string;
    created_at: string;
    updated_at: string;
};

function RevealButton({ credentialId }: { credentialId: string }) {
    const [password, setPassword] = useState<string | null>(null);
    const [pending, setPending] = useState(false);

    async function handleToggle() {
        if (password !== null) {
            setPassword(null);
            return;
        }

        setPending(true);
        const result = await revealCredential(credentialId);
        setPending(false);

        if ("password" in result) {
            setPassword(result.password);
        }
    }

    return (
        <div className="flex items-center gap-2">
            <span className="font-mono text-small break-all sm:min-w-32">
                {password ?? "••••••••"}
            </span>
            <Button
                type="button"
                variant="ghost"
                size="icon-sm"
                onClick={handleToggle}
                disabled={pending}
                aria-label={password !== null ? "Passwort verbergen" : "Passwort anzeigen"}
            >
                {password !== null ? <EyeOffIcon className="size-4" /> : <EyeIcon className="size-4" />}
            </Button>
        </div>
    );
}

export function CredentialsTable({
    profileId,
    credentials,
    isAdmin,
}: {
    profileId: string;
    credentials: Credential[];
    isAdmin: boolean;
}) {
    if (credentials.length === 0) {
        return (
            <p className="rounded-lg border border-border bg-surface/50 p-8 text-center text-muted-foreground">
                Noch keine Passwörter hinterlegt.
            </p>
        );
    }

    return (
        <div className="overflow-hidden rounded-lg border border-border">
            <Table>
                <TableHeader>
                    <TableRow className="hover:bg-transparent">
                        <TableHead>Dienst</TableHead>
                        <TableHead className="hidden md:table-cell">Benutzername</TableHead>
                        <TableHead>Passwort</TableHead>
                        <TableHead className="w-20 sm:w-24" />
                    </TableRow>
                </TableHeader>
                <TableBody>
                    {credentials.map((credential) => {
                        const service = getServiceById(credential.service);

                        return (
                            <TableRow key={credential.id}>
                                <TableCell>
                                    <div className="flex items-center gap-3">
                                        <div className="flex size-9 shrink-0 items-center justify-center rounded-md border border-border bg-background">
                                            <ServiceLogo serviceId={credential.service} size={18} className="size-4.5 object-contain" />
                                        </div>
                                        <div className="flex min-w-0 flex-col">
                                            <span className="font-medium">{service.label}</span>
                                            <span className="text-small text-muted-foreground break-all md:hidden">{credential.username}</span>
                                        </div>
                                    </div>
                                </TableCell>
                                <TableCell className="hidden text-muted-foreground break-all md:table-cell">{credential.username}</TableCell>
                                <TableCell>
                                    <RevealButton credentialId={credential.id} />
                                </TableCell>
                                <TableCell>
                                    <div className="flex justify-end gap-1">
                                        <CredentialDialog
                                            profileId={profileId}
                                            credential={credential}
                                            trigger={
                                                <Button variant="ghost" size="icon-sm" aria-label="Bearbeiten">
                                                    <PencilIcon className="size-4" />
                                                </Button>
                                            }
                                        />
                                        {isAdmin && (
                                            <DeleteCredentialDialog
                                                profileId={profileId}
                                                credentialId={credential.id}
                                                service={service.label}
                                            />
                                        )}
                                    </div>
                                </TableCell>
                            </TableRow>
                        );
                    })}
                </TableBody>
            </Table>
        </div>
    );
}