interface Module {
  name: string;
  icon: string;
  color: "yellow" | "green" | "teal" | "cyan";
  tagline: string;
  capabilities: string[];
}

interface FeatureGridData {
  title: string;
  subtitle: string;
  audience: "manufacturers" | "retailers";
  modules: Module[];
}

const COLOR_MAP = {
  yellow: { accent: "#C7D92F", bg: "#C7D92F15" },
  green:  { accent: "#8FD15E", bg: "#8FD15E15" },
  teal:   { accent: "#47C3A6", bg: "#47C3A615" },
  cyan:   { accent: "#14B7CC", bg: "#14B7CC15" },
};

export default function FeatureGrid({ data }: { data: FeatureGridData }) {
  return (
    <div className="mt-3 rounded-xl border border-[#E2E8F0] overflow-hidden shadow-sm">
      {/* Header */}
      <div className="bg-white px-5 py-4 border-b border-[#E2E8F0]">
        <div className="flex items-center justify-between">
          <div>
            <div className="flex items-center gap-2 mb-1">
              <div className="w-1 h-4 rounded-full bg-brand-gradient-h" />
              <h3 className="text-sm font-semibold text-[#1A202C]">{data.title}</h3>
            </div>
            <p className="text-xs text-[#64748B] ml-3">{data.subtitle}</p>
          </div>
          <span className="text-[10px] font-medium text-[#47C3A6] border border-[#47C3A630] bg-[#47C3A610] px-2 py-1 rounded uppercase tracking-wider">
            {data.audience}
          </span>
        </div>
      </div>

      {/* Module grid */}
      <div className="grid grid-cols-1 sm:grid-cols-2 gap-px bg-[#E2E8F0]">
        {data.modules.map((mod) => {
          const { accent, bg } = COLOR_MAP[mod.color];
          return (
            <div key={mod.name} className="bg-white p-4 hover:bg-[#F8FAFC] transition-colors">
              <div className="flex items-center gap-3 mb-3">
                <div className="w-8 h-8 rounded-lg flex items-center justify-center flex-shrink-0" style={{ background: bg }}>
                  <ModuleIcon name={mod.icon} color={accent} />
                </div>
                <div>
                  <p className="text-sm font-semibold text-[#1A202C]">{mod.name}</p>
                  <p className="text-[10px] leading-snug mt-0.5" style={{ color: accent }}>{mod.tagline}</p>
                </div>
              </div>

              <ul className="space-y-1.5">
                {mod.capabilities.map((cap) => (
                  <li key={cap} className="flex items-start gap-2">
                    <div className="w-1 h-1 rounded-full mt-1.5 flex-shrink-0" style={{ background: accent }} />
                    <span className="text-xs text-[#64748B] leading-snug">{cap}</span>
                  </li>
                ))}
              </ul>
            </div>
          );
        })}
      </div>
    </div>
  );
}

function ModuleIcon({ name, color }: { name: string; color: string }) {
  const props = { width: 16, height: 16, viewBox: "0 0 16 16", fill: "none", stroke: color, strokeWidth: 1.5, strokeLinecap: "round" as const };
  switch (name) {
    case "negotiations":
      return <svg {...props}><path d="M2 10l4-4 3 3 5-6" /><path d="M11 4h3v3" /></svg>;
    case "promotions":
      return <svg {...props}><path d="M3 13L8 3l5 10" /><path d="M5 9h6" /></svg>;
    case "assortment":
      return <svg {...props}><rect x="1.5" y="1.5" width="5" height="5" rx="0.5" /><rect x="9.5" y="1.5" width="5" height="5" rx="0.5" /><rect x="1.5" y="9.5" width="5" height="5" rx="0.5" /><rect x="9.5" y="9.5" width="5" height="5" rx="0.5" /></svg>;
    case "finances":
      return <svg {...props}><circle cx="8" cy="8" r="6.5" /><path d="M8 4.5v7M6 6.5c0-1.1.9-2 2-2s2 .9 2 2-.9 2-2 2-2 .9-2 2 .9 2 2 2 2-.9 2-2" /></svg>;
    case "collaborative":
      return <svg {...props}><circle cx="8" cy="8" r="2" /><circle cx="2.5" cy="4" r="1.5" /><circle cx="13.5" cy="4" r="1.5" /><circle cx="8" cy="13.5" r="1.5" /><path d="M4 4.5L6.5 7M11.5 4.5L9.5 7M8 10v2" /></svg>;
    case "tenders":
      return <svg {...props}><path d="M10 1.5H3.5A1.5 1.5 0 002 3v10a1.5 1.5 0 001.5 1.5h9A1.5 1.5 0 0014 13V5.5L10 1.5z" /><path d="M10 1.5V5.5H14M5 8.5h6M5 11h4" /></svg>;
    default:
      return <svg {...props}><circle cx="8" cy="8" r="5" /></svg>;
  }
}