import AppInput from "../AppInput";
import discountRed from "../../assets/icons/product/discount-red.svg";
import tomanBlack from "../../assets/icons/product/tomanBlack.svg";
import tomanGray from "../../assets/icons/product/tomanGray.svg";
import { RadioGroup, RadioGroupItem } from "../ui/radio-group";
import { useState, useEffect } from "react";
import { formatPrice, getPersianTextOfPrice } from "../../utils/helpers";
import { useRootData } from "~/hooks/use-root-data";
import { Percent } from "lucide-react";

interface PricingFormProps {
  productPrice: string;
  finalPrice: string;
  onPriceChange: (e: React.ChangeEvent<HTMLInputElement>) => void;
  onFinalPriceChange: (finalPrice: string) => void;
}

export const PricingForm: React.FC<PricingFormProps> = ({
  productPrice,
  onPriceChange,
  finalPrice,
  onFinalPriceChange,
}: PricingFormProps) => {
  const { theme } = useRootData();
  const [hasDiscount, setHasDiscount] = useState("");
  const [discountPercent, setDiscountPercent] = useState("");
  const [discountAmount, setDiscountAmount] = useState("");

  useEffect(() => {
    if (!productPrice || !hasDiscount) {
      onFinalPriceChange(productPrice || "");
      return;
    }

    let finalPrice = parseInt(productPrice);

    if (discountPercent) {
      finalPrice = finalPrice * (1 - parseInt(discountPercent) / 100);
    } else if (discountAmount) {
      finalPrice = finalPrice - parseInt(discountAmount);
    }
    if (finalPrice < 0) {
      finalPrice = 0;
    } else if (finalPrice > 1000000000) {
      finalPrice = 1000000000;
    }
    onFinalPriceChange(finalPrice.toFixed(0).toString());
  }, [
    productPrice,
    hasDiscount,
    discountPercent,
    discountAmount,
    onFinalPriceChange,
  ]);

  // وقتی discount percent تغییر کرد، discount amount را خالی کن
  const handleDiscountPercentChange = (
    e: React.ChangeEvent<HTMLInputElement>
  ) => {
    setDiscountPercent(e.target.value);
    setDiscountAmount("");
  };

  // وقتی discount amount تغییر کرد، discount percent را خالی کن
  const handleDiscountAmountChange = (
    e: React.ChangeEvent<HTMLInputElement>
  ) => {
    setDiscountAmount(e.target.value);
    setDiscountPercent("");
  };

  return (
    <div className="flex flex-col gap-6 p-6 bg-WHITE rounded-lg border border-WHITE2">
      {/* قیمت اصلی */}
      <div className="space-y-4">
        <AppInput
          inputTitle="قیمت اصلی:"
          inputValue={productPrice}
          inputPlaceholder=""
          inputIcon={theme === "dark" ? tomanGray : tomanBlack}
          inputOnChange={onPriceChange}
          inputDir="ltr"
        />
      </div>

      {/* Radio buttons for جدید/ندارد */}
      <div className="flex flex-col gap-4 w-full border rounded-xl p-4">
        <div className="flex items-center gap-6">
          <div className="flex items-center gap-2">
            <img src={discountRed} alt="discount" />
            <span className="text-R14">تخفیف:</span>
          </div>
          <RadioGroup
            onValueChange={(value) => {
              setHasDiscount(value);
              if (!value) {
                setDiscountPercent("");
                setDiscountAmount("");
              }
            }}
            value={hasDiscount}
            className="flex gap-4 px-4"
            dir="rtl"
          >
            <RadioGroupItem
              value={"true"}
              id={`withDiscount`}
              className="size-5"
            />
            <label htmlFor={`withDiscount`} className="flex flex-col gap-1">
              <p className="text-R14">دارد</p>
            </label>
            <RadioGroupItem
              value={""}
              id={`withoutDiscount`}
              className="size-5"
            />
            <label htmlFor={`withoutDiscount`} className="flex flex-col gap-1">
              <p className="text-R14">ندارد</p>
            </label>
          </RadioGroup>
        </div>
        <div className="space-y-4">
          <div className="flex gap-4">
            <p className="text-R14 text-GRAY text-center leading-[48px]">
              مقدار تخفیف:{" "}
            </p>
            <div className="flex-1 flex flex-col gap-1 justify-center">
              <AppInput
                disabled={!hasDiscount}
                inputTitle=""
                inputValue={discountPercent}
                inputIcon={hasDiscount ? Percent : undefined}
                inputPlaceholder=""
                inputOnChange={handleDiscountPercentChange}
                inputDir="ltr"
                type="number"
              />
            </div>
            {/* <div>This is an dummy text for testing code rabbit</div> */}
            <p className="text-R12 text-GRAY text-center leading-[48px]">یا</p>
            <div className="flex-1">
              <AppInput
                disabled={!hasDiscount}
                inputTitle=""
                inputValue={discountAmount}
                inputIcon={
                  !hasDiscount
                    ? theme === "dark"
                      ? tomanBlack
                      : tomanGray
                    : theme === "dark"
                      ? tomanGray
                      : tomanBlack
                }
                type="number"
                inputPlaceholder=""
                inputOnChange={handleDiscountAmountChange}
                inputDir="ltr"
              />
            </div>
          </div>
        </div>

        {/* قیمت بعد از تخفیف */}
        <div className="mt-4">
          <AppInput
            disabled={true}
            inputTitle="قیمت بعد از تخفیف:"
            inputValue={finalPrice ? formatPrice(finalPrice) : ""}
            inputIcon={theme === "dark" ? tomanGray : tomanBlack}
            inputPlaceholder=""
            inputOnChange={() => {}}
            inputDir="ltr"
          />
        </div>
        {finalPrice && (
          <div className="mt-2 text-sm text-BLACK2 text-right">
            {getPersianTextOfPrice(finalPrice)}
          </div>
        )}
      </div>

      {/* تخفیف section */}
    </div>
  );
};