"use client";

import { useState, useTransition } from "react";
import { useRouter } from "next/navigation";
import { FileDown, Loader2, Pencil, Trash2 } from "lucide-react";
import { toast } from "sonner";

import { Button } from "@/components/ui/button";
import {
  Dialog,
  DialogContent,
  DialogDescription,
  DialogFooter,
  DialogHeader,
  DialogTitle,
} from "@/components/ui/dialog";
import { deleteInvoiceAction } from "@/lib/appwrite/invoice-actions";

import { InvoiceFormSheet } from "../../components/invoice-form-sheet";
import type { Customer, InvoiceRow } from "../../components/types";

type Props = { invoice: InvoiceRow; customers: Customer[] };

export function InvoiceHeaderActions({ invoice, customers }: Props) {
  const router = useRouter();
  const [editOpen, setEditOpen] = useState(false);
  const [deleting, setDeleting] = useState(false);
  const [busy, startTransition] = useTransition();

  const handleDelete = () => {
    startTransition(async () => {
      const fd = new FormData();
      fd.set("id", invoice.id);
      const result = await deleteInvoiceAction(fd);
      if (result.ok) {
        toast.success("Fatura silindi.");
        router.push("/invoices");
      } else {
        toast.error(result.error ?? "Silme başarısız.");
        setDeleting(false);
      }
    });
  };

  return (
    <>
      <div className="flex flex-wrap gap-2">
        <Button
          variant="outline"
          size="sm"
          onClick={() => window.open(`/print/invoices/${invoice.id}`, "_blank")}
        >
          <FileDown className="size-3.5" />
          PDF
        </Button>
        <Button variant="outline" size="sm" onClick={() => setEditOpen(true)}>
          <Pencil className="size-3.5" />
          Düzenle
        </Button>
        <Button
          variant="ghost"
          size="sm"
          className="text-destructive hover:text-destructive"
          onClick={() => setDeleting(true)}
        >
          <Trash2 className="size-3.5" />
          Sil
        </Button>
      </div>

      <InvoiceFormSheet
        open={editOpen}
        onOpenChange={setEditOpen}
        invoice={invoice}
        customers={customers}
      />

      <Dialog open={deleting} onOpenChange={setDeleting}>
        <DialogContent>
          <DialogHeader>
            <DialogTitle>Faturayı sil</DialogTitle>
            <DialogDescription>
              <strong>{invoice.number}</strong> ve tüm kalemleri silinecek. Bu işlem geri alınamaz.
            </DialogDescription>
          </DialogHeader>
          <DialogFooter>
            <Button variant="outline" onClick={() => setDeleting(false)} disabled={busy}>
              Vazgeç
            </Button>
            <Button variant="destructive" onClick={handleDelete} disabled={busy}>
              {busy ? <Loader2 className="size-4 animate-spin" /> : <Trash2 className="size-4" />}
              Sil
            </Button>
          </DialogFooter>
        </DialogContent>
      </Dialog>
    </>
  );
}