import React from 'react';

const rows = [
  { equipment: 'DT-1088', type: 'Flasche', status: 'aktiv', due: '2026-05-13', dueStatus: 'due_soon', tone: 'yellow' },
  { equipment: 'DT-1004', type: 'Flasche', status: 'aktiv', due: '2027-04-25', dueStatus: 'ok', tone: 'green' },
  { equipment: 'RG-2201', type: 'Regler', status: 'aktiv', due: '2027-01-10', dueStatus: 'ok', tone: 'green' },
];

const metrics = [
  { label: 'Equipment', value: 3, tone: 'blue' },
  { label: 'bald fällig', value: 1, tone: 'yellow' },
  { label: 'überfällig', value: 0, tone: 'red' },
  { label: 'ok', value: 2, tone: 'green' },
];

function Badge({ children, tone = 'gray' }) {
  const tones = {
    green: 'bg-green-100 text-green-800 border-green-200',
    blue: 'bg-blue-100 text-blue-800 border-blue-200',
    yellow: 'bg-yellow-100 text-yellow-800 border-yellow-200',
    red: 'bg-red-100 text-red-800 border-red-200',
    gray: 'bg-slate-100 text-slate-700 border-slate-200',
  };
  return <span className={`inline-flex rounded-full border px-3 py-1 text-xs font-semibold ${tones[tone]}`}>{children}</span>;
}

function MetricCard({ label, value, tone }) {
  const tones = {
    green: 'border-green-200 bg-green-50 text-green-900',
    blue: 'border-blue-200 bg-blue-50 text-blue-900',
    yellow: 'border-yellow-200 bg-yellow-50 text-yellow-900',
    red: 'border-red-200 bg-red-50 text-red-900',
  };
  return (
    <div className={`rounded-2xl border p-4 ${tones[tone]}`}>
      <p className="text-3xl font-bold">{value}</p>
      <p className="mt-1 text-sm font-semibold">{label}</p>
    </div>
  );
}

export default function KP07MeinEquipmentFristen() {
  return (
    <div className="min-h-screen bg-slate-50 p-6 text-slate-900">
      <div className="mx-auto max-w-7xl space-y-5">
        <header className="rounded-2xl border border-sky-200 bg-sky-50 p-6 shadow-sm">
          <div className="flex flex-col gap-4 lg:flex-row lg:items-center lg:justify-between">
            <div>
              <p className="text-sm font-semibold uppercase tracking-wide text-sky-700">UC06 · KP-07</p>
              <h1 className="mt-1 text-3xl font-bold">Mein Equipment & Fristen</h1>
              <p className="mt-2 max-w-3xl text-sm text-slate-600">Kundensicht auf eigenes Equipment und Fristenhinweise aus UC05.</p>
            </div>
            <div className="flex flex-wrap gap-2">
              <button className="rounded-xl border border-slate-300 bg-white px-4 py-2 text-sm font-semibold text-slate-800">KP-06</button>
              <button className="rounded-xl border border-slate-300 bg-white px-4 py-2 text-sm font-semibold text-slate-800">KP-08</button>
              <button className="rounded-xl bg-sky-700 px-4 py-2 text-sm font-semibold text-white">Kontakt</button>
            </div>
          </div>
        </header>

        <section className="rounded-2xl border border-slate-200 bg-white p-5 shadow-sm">
          <h2 className="text-lg font-bold">Übersicht</h2>
          <div className="mt-4 grid gap-4 sm:grid-cols-2 lg:grid-cols-4">
            {metrics.map((metric) => <MetricCard key={metric.label} {...metric} />)}
          </div>
          <p className="mt-3 text-sm text-slate-500">Nur eigener Kundenbereich. Fristen stammen aus UC05.</p>
        </section>

        <div className="grid gap-5 lg:grid-cols-[2fr_1fr]">
          <section className="overflow-hidden rounded-2xl border border-slate-200 bg-white shadow-sm">
            <div className="border-b border-slate-200 px-5 py-4">
              <h2 className="text-lg font-bold">Equipment-Liste</h2>
              <p className="text-sm text-slate-500">Der Kunde kann Fristen nicht selbst ändern.</p>
            </div>
            <div className="overflow-x-auto">
              <table className="w-full min-w-[760px] text-left text-sm">
                <thead className="bg-slate-100 text-xs uppercase tracking-wide text-slate-600">
                  <tr>
                    <th className="px-5 py-3">Equipment</th>
                    <th className="px-5 py-3">Typ</th>
                    <th className="px-5 py-3">Status</th>
                    <th className="px-5 py-3">nächste Frist</th>
                    <th className="px-5 py-3">Friststatus</th>
                  </tr>
                </thead>
                <tbody className="divide-y divide-slate-100">
                  {rows.map((row) => (
                    <tr key={row.equipment} className="hover:bg-slate-50">
                      <td className="px-5 py-4 font-semibold">{row.equipment}</td>
                      <td className="px-5 py-4 text-slate-600">{row.type}</td>
                      <td className="px-5 py-4 text-slate-600">{row.status}</td>
                      <td className="px-5 py-4 text-slate-600">{row.due}</td>
                      <td className="px-5 py-4"><Badge tone={row.tone}>{row.dueStatus}</Badge></td>
                    </tr>
                  ))}
                </tbody>
              </table>
            </div>
          </section>

          <section className="rounded-2xl border border-slate-200 bg-white p-5 shadow-sm">
            <h2 className="text-lg font-bold">Detail & Hinweis</h2>
            <div className="mt-4 space-y-3 text-sm text-slate-700">
              <p className="font-semibold">DT-1088 · Stahlflasche 12 l</p>
              <p>Fällig am 2026-05-13</p>
              <Badge tone="yellow">Prüfung bald fällig</Badge>
              <p>Bitte kontaktiere die Tauchschule zur Abstimmung.</p>
              <button className="rounded-xl bg-sky-700 px-4 py-2 text-sm font-semibold text-white">Kontakt aufnehmen</button>
            </div>
          </section>
        </div>

        <section className="rounded-2xl border border-slate-200 bg-white p-5 shadow-sm">
          <h2 className="text-lg font-bold">Datenschutz</h2>
          <p className="mt-2 text-sm text-slate-600">Keine internen Prüfnotizen, keine fremden Kundendaten und keine direkte Änderung von Equipment- oder Fristdaten.</p>
        </section>
      </div>
    </div>
  );
}