export default function Sidebar({
  oocCount,
  visitDueCount,
  refillCount,
  activeFilter,
  onFilterChange,
  onImportClick,
}) {
  const navItems = [
    {
      label: "All Patients",
      key: "all",
      icon: "≡",
      badge: null,
    },
    {
      label: "Resupply Ready",
      key: "REFILL_WINDOW",
      icon: "⚠",
      badge: refillCount,
      badgeWarn: true,
    },
    {
      label: "Renewal Due",
      key: "VISIT_DUE",
      icon: "⚡",
      badge: visitDueCount,
    },
    {
      label: "Supply Lapsed",
      key: "OUT_OF_COVERAGE",
      icon: "✕",
      badge: oocCount,
    },
  ];

  return (
    <aside className="w-[240px] bg-teal-900 border-r border-teal-700 flex flex-col shrink-0 fixed top-0 left-0 bottom-0 z-20">
      {/* Header */}
      <div className="px-5 pt-[22px] pb-[18px] border-b border-[rgba(15,94,94,0.5)]">
        <div className="flex items-center gap-[10px] mb-1">
          <div className="w-[33px] h-[33px] bg-gradient-to-br from-[#1A8A8A] to-[#147A7A] rounded-lg flex items-center justify-center font-heading font-bold text-[16px] text-warm-white shrink-0 shadow-[0_2px_8px_rgba(20,122,122,0.35)]">
            S
          </div>
          <span className="font-heading font-bold text-[17px] text-warm-white tracking-[-0.01em]">
            Signal
          </span>
        </div>
        <div className="text-[11px] text-teal-300 ml-[43px] tracking-[0.01em]">
          by STTIL Solutions
        </div>
      </div>

      {/* Nav */}
      <nav className="py-[10px] flex-1 overflow-y-auto">
        <div className="text-[10px] font-medium tracking-[0.09em] uppercase text-[#426060] px-5 pt-[10px] pb-1">
          Worklist
        </div>
        {navItems.map((item) => (
          <a
            key={item.key}
            href="#"
            onClick={(e) => {
              e.preventDefault();
              onFilterChange(item.key);
            }}
            className={`flex items-center gap-[10px] px-5 py-[9px] text-[13.5px] no-underline transition-all cursor-pointer border-l-[3px] ${
              activeFilter === item.key
                ? "text-warm-white font-medium border-l-[var(--accent)] bg-[rgba(10,68,68,0.55)]"
                : "text-[#7A9E9E] border-l-transparent hover:text-teal-400 hover:bg-[rgba(46,163,163,0.07)]"
            }`}
          >
            <span className="w-[18px] text-center text-[14px] shrink-0">
              {item.icon}
            </span>
            {item.label}
            {item.badge != null && item.badge > 0 && (
              <span
                className={`ml-auto text-[10px] font-semibold px-[7px] py-[1px] rounded-[20px] font-mono ${
                  item.badgeWarn
                    ? "bg-[rgba(217,123,53,0.22)] text-[#E49655]"
                    : "bg-[rgba(200,48,48,0.22)] text-[#FF8080]"
                }`}
              >
                {item.badge}
              </span>
            )}
          </a>
        ))}
        <div className="text-[10px] font-medium tracking-[0.09em] uppercase text-[#426060] px-5 pt-4 pb-1">
          System
        </div>
        <a
          href="#"
          onClick={(e) => {
            e.preventDefault();
            onImportClick();
          }}
          className="flex items-center gap-[10px] px-5 py-[9px] text-[13.5px] text-[#7A9E9E] no-underline transition-all cursor-pointer border-l-[3px] border-l-transparent hover:text-teal-400 hover:bg-[rgba(46,163,163,0.07)]"
        >
          <span className="w-[18px] text-center text-[14px] shrink-0">↑</span>
          Import CSV
        </a>
        <a
          href="#"
          onClick={(e) => e.preventDefault()}
          className="flex items-center gap-[10px] px-5 py-[9px] text-[13.5px] text-[#7A9E9E] no-underline transition-all cursor-pointer border-l-[3px] border-l-transparent hover:text-teal-400 hover:bg-[rgba(46,163,163,0.07)]"
        >
          <span className="w-[18px] text-center text-[14px] shrink-0">⚙</span>
          Settings
        </a>
      </nav>

      {/* Footer */}
      <div className="px-5 py-[14px] border-t border-[rgba(15,94,94,0.5)]">
        <div className="flex items-center gap-[10px]">
          <div className="w-[30px] h-[30px] bg-[rgba(46,163,163,0.18)] border border-[rgba(46,163,163,0.3)] rounded-full flex items-center justify-center text-[11px] text-teal-400 font-semibold shrink-0">
            DS
          </div>
          <div>
            <div className="text-xs font-medium text-warm-white">
              Demo Supplier
            </div>
            <div className="text-[10px] text-teal-300 mt-[1px]">
              Billing Staff
            </div>
          </div>
        </div>
      </div>
    </aside>
  );
}