import type { GestureResponderEvent } from "react-native";
import type { JSX } from "react";
import { useState } from "react";
import { Pressable, StyleSheet, View } from "react-native";
import { useRouter } from "expo-router";
import { Button, Separator, Surface, Typography } from "heroui-native";
import Svg, { Defs, RadialGradient, Rect, Stop } from "react-native-svg";
import type { Product } from "@/data/mock";
import { availabilityInfo } from "@/lib/status";
import { StatusChip } from "@/components/StatusChip";
import { MonoText } from "@/components/MonoText";
import { useModals } from "@/state/modals";

interface ListingCardProps {
  product: Product;
  variant?: "list" | "grid";
}

function CardHighlightOverlay({ gradientId }: { gradientId: string }): JSX.Element {
  return (
    <Svg style={StyleSheet.absoluteFill} width="100%" height="100%" pointerEvents="none">
      <Defs>
        <RadialGradient id={gradientId} cx="30%" cy="25%" r="60%">
          <Stop offset="0%" stopColor="#ffffff" stopOpacity={0.07} />
          <Stop offset="100%" stopColor="#ffffff" stopOpacity={0} />
        </RadialGradient>
      </Defs>
      <Rect width="100%" height="100%" fill={`url(#${gradientId})`} />
    </Svg>
  );
}

export function ListingCard({ product, variant = "grid" }: ListingCardProps): JSX.Element {
  const router = useRouter();
  const { requestBuy } = useModals();
  const [isHovered, setIsHovered] = useState(false);
  const availability = availabilityInfo(product.qty);
  const isOut = product.qty === 0;

  const openListing = () => router.push(`/listing/${product.id}`);

  const handleBuyPress = (event: GestureResponderEvent) => {
    event.stopPropagation();
    requestBuy(product.id);
  };

  if (variant === "list") {
    return (
      <Pressable
        onPress={openListing}
        onHoverIn={() => setIsHovered(true)}
        onHoverOut={() => setIsHovered(false)}
      >
        <Surface
          variant="default"
          className={`flex-row items-stretch gap-0 overflow-hidden rounded-xl border p-0 ${
            isHovered ? "border-border-secondary" : "border-border"
          }`}
        >
          <View
            className="w-24 items-center justify-center md:w-36"
            style={{ backgroundColor: product.bg }}
          >
            <Typography className="text-4xl">{product.emoji}</Typography>
          </View>
          <Separator orientation="vertical" />
          <View className="w-24 justify-center gap-0.5 p-3 md:w-32">
            <Typography type="h6" className="text-accent">
              {product.priceNum}
            </Typography>
            <Typography type="body-xs" color="muted">
              {product.cur}
            </Typography>
          </View>
          <Separator orientation="vertical" />
          <View className="flex-1 justify-center gap-1 p-3">
            <Typography type="body-sm" weight="semibold" numberOfLines={1}>
              {product.name}
            </Typography>
            <Typography type="body-xs" color="muted" numberOfLines={2}>
              {product.desc}
            </Typography>
          </View>
          <Separator orientation="vertical" />
          <View className="w-28 items-stretch justify-center gap-2 p-3">
            <StatusChip label={availability.label} color={availability.color} />
            <Button
              size="sm"
              variant={isOut ? "secondary" : "primary"}
              isDisabled={isOut}
              onPress={handleBuyPress}
            >
              <Button.Label>{isOut ? "Out of Stock" : "Buy Now"}</Button.Label>
            </Button>
          </View>
        </Surface>
      </Pressable>
    );
  }

  return (
    <Pressable
      onPress={openListing}
      onHoverIn={() => setIsHovered(true)}
      onHoverOut={() => setIsHovered(false)}
      className="w-full md:w-[calc(50%-10px)] lg:w-[calc(25%-18px)]"
    >
      <Surface
        variant="default"
        className={`gap-0 overflow-hidden rounded-xl border p-0 ${isHovered ? "border-border-secondary" : "border-border"}`}
      >
        <View
          className="aspect-[4/3] items-center justify-center"
          style={{ backgroundColor: product.bg }}
        >
          <CardHighlightOverlay gradientId={`card-highlight-${product.id}`} />
          <Typography className="text-6xl lg:text-7xl">{product.emoji}</Typography>
        </View>
        <View className="gap-1 p-2.5">
          <View className="flex-row items-start justify-between gap-2">
            <Typography type="body-sm" weight="semibold" numberOfLines={2} className="flex-1">
              {product.name}
            </Typography>
            <StatusChip label={availability.label} color={availability.color} />
          </View>
          <MonoText type="body-xs" color="muted" numberOfLines={1}>
            {product.seller}
          </MonoText>
          <Typography type="body" weight="bold" className="mt-1 text-accent">
            {product.price}
          </Typography>
          <Button
            size="sm"
            variant={isOut ? "secondary" : "primary"}
            isDisabled={isOut}
            className="mt-2 w-full"
            onPress={handleBuyPress}
          >
            <Button.Label>{isOut ? "Out of Stock" : "Buy Now"}</Button.Label>
          </Button>
        </View>
      </Surface>
    </Pressable>
  );
}