"use client";

import { useActionState, useEffect, useState } from "react";
import { useRouter } from "next/navigation";
import { Banknote, Loader2 } from "lucide-react";
import { toast } from "sonner";

import { Button } from "@/components/ui/button";
import {
  Dialog,
  DialogClose,
  DialogContent,
  DialogDescription,
  DialogFooter,
  DialogHeader,
  DialogTitle,
} from "@/components/ui/dialog";
import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";
import { Textarea } from "@/components/ui/textarea";
import { recordPaymentAction } from "@/lib/appwrite/payment-actions";
import {
  PAYMENT_METHOD_OPTIONS,
  initialPaymentFormState,
} from "@/lib/appwrite/payment-types";

export function RecordPaymentDialog({
  counterpartTenantId,
  counterpartName,
  selfKind,
  defaultCurrency,
  openAmount,
  triggerLabel,
}: {
  counterpartTenantId: string;
  counterpartName: string;
  selfKind: "lab" | "clinic";
  defaultCurrency: string;
  openAmount?: number;
  triggerLabel?: string;
}) {
  const router = useRouter();
  const [open, setOpen] = useState(false);
  const [state, action, pending] = useActionState(
    recordPaymentAction,
    initialPaymentFormState,
  );

  useEffect(() => {
    if (state.ok) {
      toast.success("Ödeme kaydedildi.");
      setOpen(false);
      router.refresh();
    } else if (state.error) {
      toast.error(state.error);
    }
  }, [state, router]);

  const label = triggerLabel ?? (selfKind === "lab" ? "Ödeme Al" : "Ödeme Yap");
  const title = selfKind === "lab" ? "Tahsilat Kaydı" : "Ödeme Kaydı";
  const today = new Date().toISOString().slice(0, 10);

  return (
    <Dialog open={open} onOpenChange={setOpen}>
      <Button size="sm" onClick={() => setOpen(true)}>
        <Banknote className="size-4" />
        {label}
      </Button>
      <DialogContent>
        <DialogHeader>
          <DialogTitle>{title} — {counterpartName}</DialogTitle>
          <DialogDescription>
            {selfKind === "lab"
              ? "Bu kliniğin yaptığı toplu ödemeyi kaydedin. Açık bakiyeden otomatik düşülür."
              : "Bu laboratuvara yaptığınız ödemeyi kaydedin."}
            {typeof openAmount === "number" && (
              <>
                {" "}Açık bakiye:{" "}
                <strong className="tabular-nums">
                  {openAmount.toLocaleString("tr-TR")} {defaultCurrency}
                </strong>
              </>
            )}
          </DialogDescription>
        </DialogHeader>
        <form action={action} className="grid gap-3">
          <input type="hidden" name="counterpartTenantId" value={counterpartTenantId} />
          <div className="grid grid-cols-[minmax(0,1fr)_100px] gap-3">
            <div className="grid gap-2">
              <Label htmlFor="amount">Tutar *</Label>
              <Input
                id="amount"
                name="amount"
                type="number"
                step="0.01"
                min="0"
                required
                defaultValue={openAmount ?? undefined}
              />
              {state.fieldErrors?.amount && (
                <p className="text-destructive text-xs">{state.fieldErrors.amount}</p>
              )}
            </div>
            <div className="grid gap-2">
              <Label htmlFor="currency">Para</Label>
              <Input
                id="currency"
                name="currency"
                defaultValue={defaultCurrency}
                maxLength={8}
                style={{ textTransform: "uppercase" }}
              />
            </div>
          </div>
          <div className="grid grid-cols-2 gap-3">
            <div className="grid gap-2">
              <Label htmlFor="paymentDate">Tarih</Label>
              <Input
                id="paymentDate"
                name="paymentDate"
                type="date"
                defaultValue={today}
              />
            </div>
            <div className="grid gap-2">
              <Label htmlFor="method">Yöntem</Label>
              <Select name="method" defaultValue="bank">
                <SelectTrigger id="method">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
                  {PAYMENT_METHOD_OPTIONS.map((o) => (
                    <SelectItem key={o.value} value={o.value}>
                      {o.label}
                    </SelectItem>
                  ))}
                </SelectContent>
              </Select>
            </div>
          </div>
          <div className="grid gap-2">
            <Label htmlFor="notes">Not (opsiyonel)</Label>
            <Textarea
              id="notes"
              name="notes"
              rows={2}
              maxLength={1000}
              placeholder="Örn. Ağustos toplu, dekont no 12345"
            />
          </div>
          <DialogFooter>
            <DialogClose asChild>
              <Button type="button" variant="outline">
                Vazgeç
              </Button>
            </DialogClose>
            <Button type="submit" disabled={pending}>
              {pending ? <Loader2 className="size-4 animate-spin" /> : <Banknote className="size-4" />}
              Kaydet
            </Button>
          </DialogFooter>
        </form>
      </DialogContent>
    </Dialog>
  );
}