<template>
  <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
    <nav class="text-sm mb-6" aria-label="Breadcrumb"><NuxtLink to="/mietkatalog" style="color: var(--secondary)">← Zurück zum Katalog</NuxtLink></nav>
    <div v-if="loading" class="grid lg:grid-cols-2 gap-8" aria-live="polite" aria-busy="true"><div class="hms-skeleton aspect-square rounded-lg"></div><div class="space-y-4"><div class="hms-skeleton h-8 w-3/4"></div><div class="hms-skeleton h-4 w-1/4"></div><div class="hms-skeleton h-24 w-full"></div><div class="hms-skeleton h-32 w-full"></div><div class="hms-skeleton h-12 w-full" style="border-radius:var(--radius-md)"></div></div></div>
    <ErrorState v-else-if="error" title="Gerät nicht gefunden" message="Das angeforderte Gerät konnte nicht gefunden werden." @retry="navigate('/mietkatalog')" />
    <div v-else-if="item">
      <div class="grid lg:grid-cols-2 gap-8 lg:gap-12">
        <div class="aspect-square rounded-lg flex items-center justify-center relative overflow-hidden border" :style="{ background: 'var(--surface)', borderColor: 'var(--border)' }">
          <img v-if="item.image" :src="item.image" :alt="item.name" class="absolute inset-0 w-full h-full object-cover" />
          <div v-else class="text-center"><div class="text-8xl mb-2" style="color: var(--secondary)">📦</div><div class="text-sm" style="color: var(--secondary)">Kein Bild verfügbar</div></div>
          <span class="hms-badge hms-badge-primary absolute top-4 left-4 text-sm">{{ item.category }}</span>
        </div>
        <div>
          <div class="text-sm mb-1" style="color: var(--secondary)">Artikelnummer: {{ item.code }}</div>
          <h1 class="text-2xl sm:text-3xl font-bold mb-2" style="color: var(--text)">{{ item.name }}</h1>
          <div class="text-sm mb-4" style="color: var(--text-muted)">Marke: <span class="font-medium" style="color: var(--text)">{{ item.brand }}</span></div>
          <p class="leading-relaxed mb-6" style="color: var(--text-muted)">{{ item.description }}</p>
          <div class="hms-card p-4 mb-6"><h2 class="text-sm font-semibold mb-3" style="color: var(--text)">Technische Daten</h2><dl class="divide-y" :style="{ borderColor: 'var(--border)' }"><div v-for="(value, key) in item.specs" :key="key" class="flex justify-between py-2 text-sm" :style="{ borderColor: 'var(--border)' }"><dt class="capitalize" style="color: var(--secondary)">{{ key.replace(/_/g, ' ') }}</dt><dd class="font-medium text-right" style="color: var(--text)">{{ value }}</dd></div></dl></div>
          <div class="hms-card p-6">
            <h2 class="text-sm font-semibold mb-4" style="color: var(--text)">Mietanfrage</h2>
            <div class="grid grid-cols-2 gap-3 mb-4"><div><label for="rental-start" class="block text-xs font-medium mb-1" style="color: var(--secondary)">Mietbeginn</label><input id="rental-start" v-model="rentalStart" type="date" class="hms-input text-sm" /></div><div><label for="rental-end" class="block text-xs font-medium mb-1" style="color: var(--secondary)">Mietende</label><input id="rental-end" v-model="rentalEnd" type="date" class="hms-input text-sm" /></div></div>
            <div class="mb-4"><label for="quantity" class="block text-xs font-medium mb-1" style="color: var(--secondary)">Anzahl</label><div class="flex items-center gap-3"><button @click="quantity = Math.max(1, quantity - 1)" class="hms-btn hms-btn-secondary px-3 py-2" aria-label="Anzahl verringern">−</button><input id="quantity" v-model.number="quantity" type="number" min="1" class="hms-input text-center w-20" aria-label="Anzahl" /><button @click="quantity = quantity + 1" class="hms-btn hms-btn-secondary px-3 py-2" aria-label="Anzahl erhöhen">+</button></div></div>
            <button @click="addToCart" class="hms-btn hms-btn-primary w-full py-3 text-base"><svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 3h2l.4 2M7 13h10l4-8H5.4M7 13L5.4 5M7 13l-2.293 2.293c-.63.63-.184 1.707.707 1.707H17m0 0a2 2 0 100 4 2 2 0 000-4zm-8 2a2 2 0 11-4 0 2 2 0 014 0z"/></svg>Zur Mietanfrage hinzufügen</button>
            <p class="text-xs mt-3 text-center" style="color: var(--secondary)">Preise auf Anfrage – unverbindliche Mietanfrage</p>
          </div>
        </div>
      </div>
      <section v-if="relatedItems.length" class="mt-16" aria-labelledby="related-title"><h2 id="related-title" class="text-xl font-semibold mb-6" style="color: var(--text)">Ähnliche Geräte</h2><div class="grid grid-cols-1 sm:grid-cols-3 gap-6"><EquipmentCard v-for="ri in relatedItems" :key="ri.id" :item="ri" @click="navigate('/mietkatalog/' + ri.id)" @add-to-cart="addToCartSimple" /></div></section>
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref, computed, onMounted } from 'vue'
import { useRoute } from 'vue-router'
import { useCart } from '~/composables/useCart'

const route = useRoute()
const { addItemByFields } = useCart()

const loading = ref(true)
const error = ref(false)
const quantity = ref(1)
const rentalStart = ref('')
const rentalEnd = ref('')
const item = ref<any>(null)

const equipmentData = [
  { id: 1, code: 'LT-001', name: 'L-Acoustics K2', category: 'Tontechnik', description: 'Das L-Acoustics K2 ist das Flaggschiff der Line-Array-Serie und eignet sich für große Open-Air-Veranstaltungen und Hallenbeschallung.', brand: 'L-Acoustics', specs: { weight: '56 kg', power: '1440 W', freq_range: '35 Hz - 20 kHz', max_spl: '142 dB', coverage: '10°-110° variable' }, image: '', related: [2, 4, 3] },
  { id: 2, code: 'LT-002', name: 'd&b audiotechnik KSL8', category: 'Tontechnik', description: 'Bi-amplified Column Array Loudspeaker mit 80° horizontaler Abstrahlung.', brand: 'd&b audiotechnik', specs: { weight: '32 kg', power: '1200 W', freq_range: '55 Hz - 18 kHz', max_spl: '138 dB', coverage: '80° horizontal' }, image: '', related: [1, 4, 18] },
  { id: 3, code: 'LT-003', name: 'Shure SM58', category: 'Tontechnik', description: 'Das weltweit meistverkaufte dynamische Gesangsmikrofon.', brand: 'Shure', specs: { weight: '330 g', type: 'dynamisch', polar: 'Kardioid', freq_range: '50 Hz - 15 kHz', connector: 'XLR3' }, image: '', related: [4, 18, 1] },
  { id: 4, code: 'LT-004', name: 'Allen & Heath dLive S5000', category: 'Tontechnik', description: 'Professionelles digitales Mischpult mit 96 Input Fadern und 64 Mix Buses.', brand: 'Allen & Heath', specs: { channels: '96', buses: '64', fx: '16 Effekt-Engines', screens: '2x 15" Touch', i_o: '128x128 Dante' }, image: '', related: [1, 2, 3] },
  { id: 5, code: 'LL-001', name: 'Robe Pointe', category: 'Lichttechnik', description: '230W Moving Beam mit 5°-20° Zoom und 16-bit Dimming.', brand: 'Robe', specs: { power: '230 W', source: 'MSD 230', zoom: '5°-20°', dimming: '16-bit', pan: '540°', tilt: '270°' }, image: '', related: [6, 7, 8] },
  { id: 6, code: 'LL-002', name: 'Mac Aura PXL', category: 'Lichttechnik', description: 'RGBW Wash-Light mit 18 einzelnen pixel-mappable Zellen.', brand: 'Martin', specs: { power: '700 W', cells: '18', zoom: '4°-60°', control: 'DMX 512, Art-Net', color: 'RGBW' }, image: '', related: [5, 7, 8] },
  { id: 7, code: 'LL-003', name: 'Showtec Phantom 140', category: 'Lichttechnik', description: '140W LED Spot Moving Head mit 9 rotierenden und 9 festen Gobos.', brand: 'Showtec', specs: { power: '140 W', gobos: '9 rotierend + 9 fest', zoom: '12°-18°', color: '7+1 Farbrad', prism: '8-fach rotierend' }, image: '', related: [5, 6, 8] },
  { id: 8, code: 'LL-004', name: 'Astera Titan Tube', category: 'Lichttechnik', description: 'Pixel Tube 1m Länge, batteriebetrieben mit 20 Std. Laufzeit.', brand: 'Astera', specs: { length: '1015 mm', battery: '20 Std', cells: '16 Pixel', control: 'DMX, CRMX, App', color: 'RGBW' }, image: '', related: [5, 6, 7] },
  { id: 9, code: 'RG-001', name: 'Tomcat Truss 290', category: 'Rigging', description: 'Aluminium Traverse 4-Punkt, 290mm Profil, 2m Länge.', brand: 'Tomcat', specs: { profile: '290x290 mm', length: '2 m', load: '450 kg', material: 'Aluminium EN AW-6082' }, image: '', related: [10, 14, 15] },
  { id: 10, code: 'RG-002', name: 'Chain Motor 1T', category: 'Rigging', description: 'Bühnen-Motor 1000kg Tragkraft, D8+ Plus geprüft.', brand: 'Verlinde', specs: { capacity: '1000 kg', speed: '4-8 m/min', control: 'Direct Control', certification: 'D8+ Plus' }, image: '', related: [9, 14, 13] },
  { id: 11, code: 'VD-001', name: 'LED Video Wall P3.9', category: 'Video', description: 'Indoor LED Panel P3.9, 500x500mm, 3840Hz Refresh Rate.', brand: 'Absen', specs: { pixel_pitch: '3.9 mm', size: '500x500 mm', refresh: '3840 Hz', brightness: '1500 nits', ip: 'IP30 Indoor' }, image: '', related: [12, 5, 6] },
  { id: 12, code: 'VD-002', name: 'Blackmagic ATEM Mini Extreme', category: 'Video', description: '8-Input HDMI Switcher mit ISO Recording und Multiview.', brand: 'Blackmagic', specs: { inputs: '8x HDMI', outputs: '2x HDMI', recording: 'ISO Recording', streaming: 'Direct Streaming', audio: '2x 3.5mm' }, image: '', related: [11, 5, 7] },
  { id: 13, code: 'ST-001', name: 'WAGO 24V 40A Netzteilkasten', category: 'Strom', description: '24V DC 40A Netzteil in Flightcase mit 4x Schuko Ausgang.', brand: 'WAGO', specs: { output: '24V DC 40A', inputs: '4x Schuko', protection: 'IP54', cooling: 'Forced Air' }, image: '', related: [14, 10, 9] },
  { id: 14, code: 'ST-002', name: 'Duraplex 32A Stromverteiler', category: 'Strom', description: '32A 5-polig auf 3x 16A + 3x Schuko mit FI-Schutzschalter.', brand: 'Duraplex', specs: { input: '32A 5-pol CEE', outputs: '3x 16A + 3x Schuko', protection: 'FI/A', cable: 'H07BQ-F 5G6' }, image: '', related: [13, 10, 9] },
  { id: 15, code: 'ZB-001', name: 'Flightcase 19" 12HE', category: 'Zubehör', description: '19" Rack Flightcase 12HE mit Front- und Rücktür.', brand: 'Thon', specs: { rack_units: '12 HE', depth: '600 mm', wheels: '4x 100mm', material: 'Birkenholz + Alu-Kanten' }, image: '', related: [16, 4, 15] },
  { id: 16, code: 'ZB-002', name: 'XLR Kabel 20m', category: 'Zubehör', description: 'XLR3 male/female Mikrofonkabel, 20m, Neutrik Stecker.', brand: 'Tasker', specs: { length: '20 m', connectors: 'XLR3 M/F', shielding: 'double', cable: 'Tasker C118' }, image: '', related: [3, 18, 4] },
  { id: 17, code: 'ZB-003', name: 'DJ-Table Pro', category: 'Zubehör', description: 'Mobile DJ-Tisch mit Laptop-Ständer und LED-Beleuchtung.', brand: 'Stage Traps', specs: { width: '120 cm', height: '95 cm', features: 'LED, Laptop-Ständer', weight: '22 kg' }, image: '', related: [12, 5, 15] },
  { id: 18, code: 'LT-005', name: 'Sennheiser EW-DX 835', category: 'Tontechnik', description: 'Digitales Funkmikrofon-Set mit Handheld und Empfänger.', brand: 'Sennheiser', specs: { type: 'Digital Wireless', range: '100 m', battery: '12 Std', freq_range: '563-608 MHz', channels: 'gleichzeitig 95' }, image: '', related: [3, 4, 16] }
]

const relatedItems = computed(() => {
  if (!item.value || !item.value.related) return []
  return item.value.related.map((id: number) => equipmentData.find(e => e.id === id)).filter(Boolean)
})

onMounted(() => {
  setTimeout(() => {
    const found = equipmentData.find(e => e.id === Number(route.params.id))
    if (found) { item.value = found } else { error.value = true }
    loading.value = false
  }, 800)
})

function navigate(route: string) {
  navigateTo(route)
  if (import.meta.client) window.scrollTo(0, 0)
}
function addToCart() {
  addItemByFields({
    equipment_id: item.value.id,
    name: item.value.name,
    rental_price: null,
    image_url: item.value.image || null
  })
  navigate('/warenkorb')
}
function addToCartSimple(e: any) {
  addItemByFields({
    equipment_id: e.id,
    name: e.name,
    rental_price: null,
    image_url: e.image || null
  })
}
</script>
