"use client";

import { useState } from "react";
import Image from "next/image";
import Link from "next/link";
import { ExternalLink, HandHeart } from "lucide-react";
import { getWinnerImpact, type LastYearWinner } from "@/content/last-year-winners";
import { Button } from "@/components/ui/button";
import { cn } from "@/lib/utils";

type Props = {
  company: LastYearWinner;
  className?: string;
};

function externalLinkProps(href: string) {
  return href.startsWith("http") ? { target: "_blank" as const, rel: "noopener noreferrer" } : {};
}

function FounderPhoto({ company }: { company: LastYearWinner }) {
  const [failed, setFailed] = useState(false);
  const src = company.founderImageSrc;

  if (src && !failed) {
    return (
      <Image
        src={src}
        alt=""
        width={48}
        height={48}
        className="size-12 shrink-0 rounded-full border-2 border-[#1a5c38]/15 object-cover"
        onError={() => setFailed(true)}
      />
    );
  }

  const initials =
    company.initials ??
    (company.name
      ? company.name
          .split(/\s+/)
          .map((w) => w[0])
          .join("")
          .slice(0, 2)
          .toUpperCase()
      : "GR");

  return (
    <div
      className="flex size-12 shrink-0 items-center justify-center rounded-full border-2 border-[#1a5c38]/15 bg-[#f0f5f2] text-sm font-bold text-[#1a5c38]"
      aria-hidden
    >
      {initials}
    </div>
  );
}

export function LastYearWinnerTip({ company, className }: Props) {
  const impact = getWinnerImpact(company);
  const headline = impact.metrics.find((m) => m.highlight) ?? impact.metrics[0];
  const supporting = impact.metrics.filter((m) => m !== headline).slice(0, 2);
  const name = company.name ?? "GRV Summit alumni";
  const viewHref = impact.links.view ?? impact.links.website;
  const donateHref = impact.links.donate;

  return (
    <div className={cn("w-[min(calc(100vw-2rem),16.5rem)]", className)}>
      <div className="flex gap-3 px-3 pt-3 pb-2">
        <FounderPhoto company={company} />
        <div className="min-w-0 flex-1">
          <p className="truncate text-[11px] font-semibold uppercase tracking-wider text-[#1a5c38]">
            {name}
          </p>
          {company.founderName ? (
            <p className="truncate text-[10px] text-[#3d5248]/80">{company.founderName}</p>
          ) : null}
          <p className="mt-1 line-clamp-2 text-[11px] leading-snug text-[#3d5248]">
            {impact.summary}
          </p>
        </div>
      </div>

      {headline ? (
        <div className="mx-3 mb-2 rounded-lg border border-[#1a5c38]/12 bg-[#f0f5f2] px-3 py-2.5 text-center">
          <p className="text-[10px] font-bold uppercase tracking-wider text-[#1a5c38]/75">
            {headline.label}
          </p>
          <p className="winner-impact-value mt-0.5 font-display text-2xl font-extrabold tracking-tight text-[#0d3d26]">
            {headline.value}
          </p>
        </div>
      ) : null}

      {supporting.length > 0 ? (
        <dl className="grid grid-cols-2 gap-1.5 px-3 pb-2">
          {supporting.map((m) => (
            <div key={m.label} className="rounded-md bg-[#f7faf8] px-2 py-1.5 text-center">
              <dt className="text-[9px] font-semibold uppercase tracking-wide text-[#1a5c38]/65">
                {m.label}
              </dt>
              <dd className="text-xs font-bold text-[#0d3d26]">{m.value}</dd>
            </div>
          ))}
        </dl>
      ) : null}

      {(viewHref || donateHref) && (
        <div className="flex items-center justify-end gap-2 border-t border-[#1a5c38]/10 bg-[#f7faf8]/80 px-3 py-2">
          {viewHref ? (
            <Button
              variant="outline"
              size="icon-sm"
              className="rounded-full border-[#1a5c38]/20 text-[#1a5c38] hover:bg-[#f0f5f2]"
              asChild
            >
              <Link href={viewHref} aria-label="View startup" {...externalLinkProps(viewHref)}>
                <ExternalLink className="size-4" />
              </Link>
            </Button>
          ) : null}
          {donateHref ? (
            <Button
              size="icon-sm"
              className="rounded-full bg-[#1a5c38] text-white hover:bg-[#0d3d26]"
              asChild
            >
              <Link href={donateHref} aria-label="Donate" {...externalLinkProps(donateHref)}>
                <HandHeart className="size-4" />
              </Link>
            </Button>
          ) : null}
        </div>
      )}
    </div>
  );
}