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import { ref, watch, computed, nextTick } from 'vue'
import QRCode from 'qrcode'
import { shareService } from '../../services/share'
import type { ShoppingList } from '../../types'
const props = defineProps<{
modelValue: boolean
list: ShoppingList
}>()
const emit = defineEmits<{
'update:modelValue': [val: boolean]
'token-changed': [token: string | null]
}>()
const close = () => emit('update:modelValue', false)
const loading = ref(false)
const copied = ref(false)
const revoking = ref(false)
const showQR = ref(false)
const qrCanvas = ref<HTMLCanvasElement | null>(null)
const token = ref<string | null>(props.list.shareToken)
watch(() => props.list.shareToken, t => { token.value = t })
const shareUrl = computed(() =>
token.value ? `${window.location.origin}/s/${token.value}` : null
)
watch(() => props.modelValue, async (open) => {
Iif (!open) return
copied.value = false
showQR.value = false
if (!token.value) {
loading.value = true
try {
const res = await shareService.generateToken(props.list.id)
token.value = res.token
emit('token-changed', res.token)
} finally {
loading.value = false
}
}
})
watch(showQR, async (show) => {
Eif (show && shareUrl.value) {
await nextTick()
Eif (qrCanvas.value) {
await QRCode.toCanvas(qrCanvas.value, shareUrl.value, {
width: 200,
margin: 2,
color: { dark: '#303446', light: '#eff1f5' },
})
}
}
})
async function copyLink() {
Iif (!shareUrl.value) return
await navigator.clipboard.writeText(shareUrl.value)
copied.value = true
setTimeout(() => { copied.value = false }, 2000)
}
async function revoke() {
revoking.value = true
try {
await shareService.revokeToken(props.list.id)
token.value = null
emit('token-changed', null)
close()
} finally {
revoking.value = false
}
}
</script>
<template>
<Transition name="sheet">
<div v-if="modelValue" class="fixed inset-0 z-50 flex flex-col justify-end">
<!-- Backdrop -->
<div class="absolute inset-0 bg-ctp-base/70 backdrop-blur-sm" @click="close" />
<!-- Panel -->
<div class="relative bg-ctp-mantle border-t border-ctp-surface0 rounded-t-3xl px-5 pt-4 pb-10 safe-bottom">
<!-- Handle -->
<div class="w-10 h-1 bg-ctp-surface1 rounded-full mx-auto mb-5" />
<h2 class="text-lg font-bold text-ctp-text mb-1">Liste teilen</h2>
<p class="text-sm text-ctp-subtext0 mb-5">
Jeder mit dem Link kann diese Liste beitreten.
</p>
<!-- Loading -->
<div v-if="loading" class="h-12 bg-ctp-surface0 rounded-xl skeleton mb-4" />
<!-- Share URL -->
<div v-else-if="shareUrl" class="space-y-3">
<div class="flex items-center gap-2 bg-ctp-surface0 rounded-xl px-4 py-3">
<span class="flex-1 text-sm text-ctp-text truncate font-mono">{{ shareUrl }}</span>
</div>
<!-- QR toggle -->
<button
@click="showQR = !showQR"
class="w-full py-2.5 rounded-xl text-sm font-medium bg-ctp-surface0 text-ctp-subtext0 hover:bg-ctp-surface1 transition-colors flex items-center justify-center gap-2"
>
<svg class="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2">
<rect x="3" y="3" width="7" height="7" rx="1"/><rect x="14" y="3" width="7" height="7" rx="1"/>
<rect x="3" y="14" width="7" height="7" rx="1"/><path stroke-linecap="round" d="M14 14h2v2h-2zM18 14h3v2h-3zM14 18h3v2h-3zM19 18h2v3h-2z"/>
</svg>
{{ showQR ? 'QR-Code ausblenden' : 'Als QR-Code anzeigen' }}
</button>
<!-- QR Code -->
<Transition name="qr">
<div v-if="showQR" class="flex justify-center py-5 bg-ctp-surface0 rounded-2xl">
<canvas ref="qrCanvas" class="rounded-xl" />
</div>
</Transition>
<button
@click="copyLink"
class="w-full py-3 rounded-xl font-semibold text-sm transition-colors"
:class="copied
? 'bg-ctp-green/20 text-ctp-green'
: 'bg-ctp-teal text-ctp-base active:scale-95'"
>
{{ copied ? '✓ Kopiert!' : 'Link kopieren' }}
</button>
<button
@click="revoke"
:disabled="revoking"
class="w-full py-2.5 rounded-xl text-sm font-medium bg-ctp-red/10 text-ctp-red disabled:opacity-60"
>
{{ revoking ? 'Widerrufe…' : 'Link widerrufen' }}
</button>
</div>
<button
@click="close"
class="w-full mt-3 py-2.5 text-ctp-subtext0 text-sm rounded-xl hover:text-ctp-text transition-colors"
>
Schließen
</button>
</div>
</div>
</Transition>
</template>
<style scoped>
.sheet-enter-active,
.sheet-leave-active {
transition: all 0.3s ease;
}
.sheet-enter-from,
.sheet-leave-to {
opacity: 0;
}
.sheet-enter-from .relative,
.sheet-leave-to .relative {
transform: translateY(100%);
}
.qr-enter-active { transition: all 0.3s cubic-bezier(0.16,1,0.3,1); }
.qr-leave-active { transition: all 0.2s ease; }
.qr-enter-from { opacity: 0; transform: scaleY(0.85); transform-origin: top; }
.qr-leave-to { opacity: 0; }
</style>
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