import { useState } from "react";
import { Pencil, Trash2 } from "lucide-react";
import Link from "@/src/components/twui/layout/Link";
import Row from "@/src/components/twui/layout/Row";
import Span from "@/src/components/twui/layout/Span";
import formatUnixTimestamp from "@/src/utils/format-unix-timestamp";
import adminCrudHandler from "@/src/functions/frontend/admin-crud-handler";
import type {
    BUN_SQLITE_WGUI_CLIENTS,
    BUN_SQLITE_WGUI_CLIENT_RULES,
} from "@/db/types/db";
import deriveClientAccessLabel from "@/src/functions/frontend/derive-client-access-label";

type Props = {
    client: BUN_SQLITE_WGUI_CLIENTS;
    rules?: BUN_SQLITE_WGUI_CLIENT_RULES[];
};

export default function ClientRow({ client, rules }: Props) {
    const [deleting, setDeleting] = useState(false);

    const host_id = Number(client.host_id || 0);
    const access = deriveClientAccessLabel({ rules });

    async function handleDelete() {
        if (
            !window.confirm(
                `Delete client "${client?.name || `#${client?.id}`}"? The client will be removed from the host and its config file deleted.`,
            )
        ) {
            return;
        }

        setDeleting(true);

        const res = await adminCrudHandler({
            action: "delete",
            table: "clients",
            id: client?.id,
        });

        if (!res.success) {
            setDeleting(false);
            window.alert(res.msg || "Could not delete client");
            return;
        }

        window.location.reload();
    }

    return (
        <tr className="border-b border-slate-200/60 dark:border-white/5 last:border-b-0 hover:bg-foreground-light/[0.02] dark:hover:bg-foreground-dark/[0.02] transition-colors">
            <td className="px-4 py-[9px]">
                <Link
                    href={`/admin/hosts/${host_id}/clients/${client.id}`}
                    className="text-[13.5px] font-medium text-foreground-light dark:text-foreground-dark hover:text-secondary dark:hover:text-secondary"
                >
                    {client.name || "—"}
                </Link>
            </td>
            <td className="px-4 py-[9px]">
                {typeof host_id == "number" ? (
                    <Link
                        href={`/admin/hosts/${host_id}`}
                        className="tabular text-[13px] text-foreground-light/60 dark:text-foreground-dark/60 hover:text-secondary dark:hover:text-secondary whitespace-nowrap"
                    >
                        {host_id == 0 ? "Main" : `Host #${host_id}`}
                    </Link>
                ) : (
                    <Span className="tabular text-[13px] text-foreground-light/40 dark:text-foreground-dark/40 whitespace-nowrap">
                        —
                    </Span>
                )}
            </td>
            <td className="px-4 py-[9px] tabular text-[13px] text-foreground-light/60 dark:text-foreground-dark/60 whitespace-nowrap">
                {client.wg_ip_address || "—"}
            </td>
            <td className="px-4 py-[9px] tabular text-[13px] text-foreground-light/45 dark:text-foreground-dark/45 whitespace-nowrap">
                {client.allowed_ips || "—"}
            </td>
            <td className="px-4 py-[9px] whitespace-nowrap">
                <Span
                    className={
                        access.kind == "none"
                            ? "text-[12.5px] text-error/80"
                            : "text-[12.5px] text-foreground-light/60 dark:text-foreground-dark/60"
                    }
                >
                    {access.text}
                </Span>
            </td>
            <td className="px-4 py-[9px]">
                <Span className="font-mono text-[12px] text-foreground-light/45 dark:text-foreground-dark/45 whitespace-nowrap">
                    {client.public_key
                        ? `${client.public_key.slice(0, 16)}…`
                        : "—"}
                </Span>
            </td>
            <td className="px-4 py-[9px] tabular text-[12px] text-foreground-light/40 dark:text-foreground-dark/40 text-right whitespace-nowrap">
                {formatUnixTimestamp({ timestamp: client.created_at })}
            </td>
            <td className="px-4 py-[9px] text-right">
                <Row className="gap-1.5 items-center justify-end">
                    <Link
                        href={`/admin/hosts/${host_id}/clients/${client.id}/edit`}
                        title={`Edit client ${client.name || `#${client.id}`}`}
                        aria-label={`Edit client ${client.name || `#${client.id}`}`}
                        className="p-1.5 text-foreground-light/40 dark:text-foreground-dark/40 hover:text-foreground-light dark:hover:text-foreground-dark focus:outline-2"
                    >
                        <Pencil size={14} />
                    </Link>
                    <button
                        type="button"
                        title={`Delete client ${client.name || `#${client.id}`}`}
                        aria-label={`Delete client ${client.name || `#${client.id}`}`}
                        disabled={deleting}
                        onClick={handleDelete}
                        className="p-1.5 text-error hover:bg-error/10 focus:outline-2 transition-colors duration-150"
                    >
                        <Trash2 size={14} />
                    </button>
                </Row>
            </td>
        </tr>
    );
}