"use client";

import { Coins, DollarSign, MapPin, Package, User } from "lucide-react";
import Image from "next/image";
import { useState } from "react";
import { Badge } from "@/components/ui/badge";
import type { Chat } from "@/lib/hooks/use-chat";

interface ChatHeaderProps {
  chat: Chat;
  currentUserId: number;
}

export function ChatHeader({ chat, currentUserId }: ChatHeaderProps) {
  const listing = chat.listing_cache;
  const otherUser =
    chat.buyer_id === currentUserId ? chat.seller_cache : chat.buyer_cache;
  const [imageError, setImageError] = useState(false);

  const formatPrice = (
    price: number | null | undefined,
    type: "pix" | "tc" | "gp",
  ): string => {
    if (price === null || price === undefined) return "N/A";

    if (type === "pix") {
      return new Intl.NumberFormat("pt-BR", {
        style: "currency",
        currency: "BRL",
      }).format(price);
    }

    if (type === "tc") {
      return `${price.toLocaleString("pt-BR")} TC`;
    }

    if (type === "gp") {
      const gold = price / 1000000;
      if (gold >= 1) {
        return `${gold.toFixed(2)}kk`;
      }
      return `${price.toLocaleString("pt-BR")} gp`;
    }

    return price.toLocaleString("pt-BR");
  };

  return (
    <div className="border-b bg-muted/30 p-4 space-y-3">
      {/* Informações do Anúncio */}
      <div className="flex items-start gap-3">
        {/* Imagem do item */}
        <div className="relative w-16 h-16 rounded-lg bg-muted flex items-center justify-center flex-shrink-0 overflow-hidden">
          {listing.item_image_url && !imageError ? (
            <Image
              src={listing.item_image_url}
              alt={listing.item_name}
              fill
              className="object-cover"
              onError={() => setImageError(true)}
            />
          ) : (
            <Package className="h-8 w-8 text-muted-foreground" />
          )}
        </div>

        {/* Detalhes do anúncio */}
        <div className="flex-1 min-w-0">
          <h3 className="font-semibold text-lg truncate">
            {listing.item_name}
          </h3>
          <div className="flex items-center gap-3 text-sm text-muted-foreground mt-1">
            <div className="flex items-center gap-1">
              <MapPin className="h-3 w-3" />
              <span>{listing.server_name}</span>
            </div>
            <div className="flex items-center gap-1">
              <Package className="h-3 w-3" />
              <span>Qtd: 1</span>
            </div>
          </div>

          {/* Preços */}
          <div className="flex items-center gap-2 mt-2 flex-wrap">
            {listing.price_pix && (
              <Badge variant="secondary" className="gap-1">
                <DollarSign className="h-3 w-3" />
                {formatPrice(listing.price_pix, "pix")}
              </Badge>
            )}
            {listing.price_tibia_coins && (
              <Badge variant="secondary" className="gap-1">
                <Coins className="h-3 w-3" />
                {formatPrice(listing.price_tibia_coins, "tc")}
              </Badge>
            )}
            {listing.price_gold_coins && (
              <Badge variant="secondary" className="gap-1">
                <Coins className="h-3 w-3" />
                {formatPrice(listing.price_gold_coins, "gp")}
              </Badge>
            )}
          </div>
        </div>
      </div>

      {/* Informações do outro usuário */}
      <div className="flex items-center gap-2 pt-2 border-t">
        <User className="h-4 w-4 text-muted-foreground" />
        <span className="text-sm text-muted-foreground">Conversando com: </span>
        <span className="text-sm font-medium">
          {otherUser.character_name || otherUser.username}
        </span>
      </div>
    </div>
  );
}