import Link from "next/link";
import { FramedImage } from "@/components/FramedImage";
import { Header } from "@/components/Header";
import { Footer } from "@/components/Footer";
import { RevealObserver } from "@/components/RevealObserver";
import { site } from "@/data/home";

interface Feature {
  title: string;
  titleEn?: string;
  description: string;
  icon?: string;
}

interface Section {
  tag?: string;
  title: string;
  titleEn?: string;
  body: string;
  image?: string;
  imageFrame?: boolean;
  eyebrow?: string;
  headline?: string;
  features?: Feature[];
  featureLayout?: "horizontal" | "team";
  featureColumns?: 2 | 3;
}

interface ServicePageProps {
  metaTitle: string;
  tag: string;
  title: string;
  titleEn: string;
  lead: string;
  heroImage?: string;
  sections: Section[];
  injectAfter?: number;
  inject?: React.ReactNode;
  injections?: { after: number; node: React.ReactNode }[];
  children?: React.ReactNode;
}

function SolutionFeatureCard({ feature }: { feature: Feature }) {
  return (
    <div className="group group-border-hover flex h-full gap-3 rounded-2xl border border-line/70 bg-white/90 p-6 transition hover:shadow-[0_16px_40px_rgba(14,17,22,0.06)] md:gap-4 md:p-7">
      {feature.icon ? (
        <img
          src={feature.icon}
          alt=""
          width={48}
          height={48}
          className="h-12 w-12 shrink-0 object-contain"
        />
      ) : null}
      <div className="min-w-0 flex-1">
        <h3 className="whitespace-nowrap text-[0.95rem] font-normal text-ink md:text-base">
          {feature.title}
        </h3>
        {feature.titleEn && (
          <p className="latin mt-0.5 text-[10px] uppercase tracking-wider text-muted">
            {feature.titleEn}
          </p>
        )}
        <p className="text-body mt-3 w-full text-sm leading-8 text-ink-soft">
          {feature.description}
        </p>
      </div>
    </div>
  );
}

function TeamFeatureCard({ feature }: { feature: Feature }) {
  return (
    <div className="group group-border-hover flex h-full flex-col overflow-hidden rounded-2xl bg-white transition hover:shadow-[0_16px_40px_rgba(14,17,22,0.06)]">
      <div className="flex items-center gap-4 bg-[#F8F9FA] p-3">
        {feature.icon ? (
          <img
            src={feature.icon}
            alt=""
            width={43}
            height={43}
            className="h-[43px] w-[43px] shrink-0 object-contain"
          />
        ) : null}
        <div className="min-w-0">
          <h3 className="mb-1 text-base font-normal text-ink">
            {feature.title}
          </h3>
          {feature.titleEn && (
            <p className="latin text-[10px] uppercase tracking-[0.35em] text-muted">
              {feature.titleEn}
            </p>
          )}
        </div>
      </div>
      <p className="text-body p-3 text-justify text-[17px] leading-8 text-ink-soft">
        {feature.description}
      </p>
    </div>
  );
}

function FeatureCard({
  feature,
  layout = "horizontal",
}: {
  feature: Feature;
  layout?: "horizontal" | "team";
}) {
  if (layout === "team") {
    return <TeamFeatureCard feature={feature} />;
  }

  return <SolutionFeatureCard feature={feature} />;
}

export function ServicePageLayout({
  tag,
  title,
  titleEn,
  lead,
  heroImage,
  sections,
  injectAfter,
  inject,
  injections,
  children,
}: ServicePageProps) {
  const sectionInjections =
    injections ??
    (injectAfter !== undefined && inject
      ? [{ after: injectAfter, node: inject }]
      : []);

  return (
    <>
      <RevealObserver />
      <Header />

      <section className="relative overflow-hidden bg-white pt-40 pb-16 lg:pt-48 lg:pb-20">
        <div className="mx-auto max-w-7xl px-5 lg:px-8">
          <div className="grid gap-10 lg:grid-cols-2 lg:items-center lg:gap-16">
            <div className="min-w-0 max-w-xl">
              <h1
                className="mb-3 text-[clamp(1.15rem,3.6vw,2.75rem)] font-normal tracking-tight text-ink"
                style={{ animation: "rise-in 0.9s ease both 0.06s" }}
              >
                {title}
              </h1>
              <p
                className="latin mb-8 text-xs uppercase tracking-widest text-muted"
                style={{ animation: "rise-in 0.9s ease both 0.12s" }}
              >
                {titleEn}
              </p>
              <p
                className="text-body mb-8 text-sm leading-8 text-ink-soft md:text-base"
                style={{ animation: "rise-in 1s ease both 0.18s" }}
              >
                {lead}
              </p>
              <a
                href={site.phoneHref}
                className="latin link-hover inline-flex text-sm text-ink-soft"
                dir="ltr"
                style={{ animation: "rise-in 1s ease both 0.28s" }}
              >
                {site.phone}
              </a>
            </div>

            {heroImage && (
              <div
                className="relative hidden lg:block"
                style={{ animation: "fade-in 1.2s ease both 0.2s" }}
              >
                <div className="pointer-events-none absolute inset-8 rounded-full bg-[radial-gradient(circle,var(--glow),transparent_70%)] blur-2xl" />
                <div className="animate-float relative mx-auto aspect-square w-full max-w-[480px]">
                  <img
                    src={heroImage}
                    alt={title}
                    className="h-full w-full object-contain drop-shadow-[0_24px_48px_rgba(14,17,22,0.12)]"
                  />
                </div>
              </div>
            )}
          </div>
        </div>
      </section>

      {sections.map((sec, i) => (
        <div key={i}>
        <section
          className={`relative border-t border-line/30 py-16 lg:py-24 ${
            i % 2 === 0 ? "bg-[#FAFAFA]" : "bg-white"
          }`}
        >
          <div className="mx-auto max-w-7xl px-5 lg:px-8">
            {sec.image ? (
              <div className="grid items-center gap-10 lg:grid-cols-2 lg:gap-16">
                <div className="reveal order-2 min-w-0 lg:order-1">
                  {sec.eyebrow ? (
                    <p className="mb-4 text-sm text-muted">{sec.eyebrow}</p>
                  ) : null}
                  <h2 className="text-[clamp(1.05rem,3vw,2rem)] font-normal tracking-tight text-ink">
                    {sec.title}
                  </h2>
                  {sec.titleEn && (
                    <p className="latin mt-3 text-[11px] uppercase tracking-widest text-muted">
                      {sec.titleEn}
                    </p>
                  )}
                  {sec.headline ? (
                    <h2 className="mt-8 text-[clamp(1rem,2.5vw,1.65rem)] font-normal tracking-tight text-ink">
                      {sec.headline}
                    </h2>
                  ) : null}
                  <p className="text-body mt-5 text-sm leading-8 text-ink-soft md:text-base">
                    {sec.body}
                  </p>
                </div>
                <div className="reveal reveal-delay-1 order-1 relative mx-auto w-full lg:order-2">
                  {sec.imageFrame ? (
                    <FramedImage src={sec.image} alt={sec.title} aspect="natural" />
                  ) : (
                    <img
                      src={sec.image}
                      alt={sec.title}
                      className="mx-auto w-full max-w-xl object-contain lg:max-w-none"
                    />
                  )}
                </div>
              </div>
            ) : (
              <div className="reveal mb-10 min-w-0">
                <h2 className="text-[clamp(1.05rem,3vw,2rem)] font-normal tracking-tight text-ink">
                  {sec.title}
                </h2>
                {sec.titleEn && (
                  <p className="latin mt-3 text-[11px] uppercase tracking-widest text-muted">
                    {sec.titleEn}
                  </p>
                )}
                <p className="text-body mt-5 w-full text-sm leading-8 text-ink-soft md:text-base">
                  {sec.body}
                </p>
              </div>
            )}

            {sec.features && sec.features.length > 0 && (
              <ul
                className={`grid gap-4 lg:gap-5 ${
                  sec.featureColumns === 2
                    ? "sm:grid-cols-2"
                    : sec.featureLayout === "team"
                      ? "sm:grid-cols-2"
                      : "sm:grid-cols-2 lg:grid-cols-3"
                } ${sec.image ? "mt-12" : ""}`}
              >
                {sec.features.map((f, fi) => (
                  <li
                    key={fi}
                    className={`reveal ${
                      fi % 3 === 1
                        ? "reveal-delay-1"
                        : fi % 3 === 2
                          ? "reveal-delay-2"
                          : ""
                    }`}
                  >
                    <FeatureCard
                      feature={f}
                      layout={sec.featureLayout ?? "horizontal"}
                    />
                  </li>
                ))}
              </ul>
            )}
          </div>
        </section>
        {sectionInjections
          .filter((item) => item.after === i)
          .map((item, injectionIndex) => (
            <div key={`inject-${i}-${injectionIndex}`}>{item.node}</div>
          ))}
        </div>
      ))}

      {children}

      <section className="border-t border-line/30 bg-ink py-14 text-center">
        <div className="mx-auto max-w-2xl px-5">
          <h2 className="mb-3 text-[clamp(1.1rem,2.8vw,1.75rem)] font-normal text-surface">
            آماده‌اید شروع کنیم؟
          </h2>
          <p className="mb-8 text-sm leading-8 text-surface/60">
            با تیم مشکی تماس بگیرید تا درباره پروژه‌تان صحبت کنیم.
          </p>
          <div className="flex flex-wrap justify-center gap-4">
            <a
              href={site.phoneHref}
              className="latin inline-flex items-center gap-2 rounded-full bg-white px-6 py-3.5 text-sm text-ink transition hover:[background:var(--brand-gradient)] hover:text-white"
              dir="ltr"
            >
              {site.phone}
            </a>
            <Link
              href="/"
              className="inline-flex items-center gap-2 rounded-full border border-surface/20 px-6 py-3.5 text-sm text-surface/80 transition hover:border-surface/60 hover:text-surface"
            >
              بازگشت به خانه
            </Link>
          </div>
        </div>
      </section>

      <Footer />
    </>
  );
}