<template>
  <!-- Contact‑centric layout -->
  <AppFlatSection>
    <!-- Grid: form (fixed max‑width) | host snapshots -->
    <div class="flex flex-col md:flex-row gap-8 items-center">
      <!-- ─── Contact form ─── -->
      <div class="w-full md:w-auto max-w-xl mx-auto lg:mx-0">
        <h1 class="text-3xl sm:text-4xl font-bold mb-4">{{ t('contact.title') }}</h1>

        <!-- Extended intro -->
        <p class="text-neutral-600 mb-4 max-w-prose">
          {{ t('contact.description') }}
        </p>

        <!-- Contact shortcuts -->
        <div class="mb-8 space-y-1 text-sm">
          <!-- Phone (phone + WhatsApp icons) -->
          <div class="flex items-center gap-2">
            <!-- Heroicons phone -->
            <UIcon name="i-heroicons-phone" class="w-4 h-4 text-neutral-600"/>
            <!-- WhatsApp icon (any Iconify set you use) -->
            <UIcon name="i-uil-whatsapp" class="w-4 h-4 text-neutral-600"/>
            <a :href="`tel:${t('contact.phone').replace(/\s+/g, '')}`" class="hover:underline text-neutral-600">
              {{ t('contact.phone') }}
            </a>
          </div>

          <!-- E-mail -->
          <div class="flex items-center gap-2">
            <UIcon name="i-heroicons-envelope" class="w-4 h-4 text-neutral-600"/>
            <a :href="`mailto:${t('contact.email')}`" class="hover:underline text-neutral-600">
              {{ t('contact.email') }}
            </a>
          </div>
        </div>

        <p class="text-neutral-600 mb-4 max-w-prose">
          {{ t('contact.online-1') }}
          <UButton :to="variantPath('book')" variant="outline" trailing-icon="i-heroicons-arrow-right">{{
              t('contact.online-2')
            }}
          </UButton>
          {{ t('contact.online-3') }}
        </p>

        <!-- Form -->
        <UForm :state="state" class="space-y-4" @submit="onSubmit">
          <UFormField name="name" label="Name" :ui="{ label: 'sr-only' }">
            <UInput v-model="state.name" class="w-full" :placeholder="t('contact.form.name')"/>
          </UFormField>

          <UFormField name="email" label="E-Mail" :ui="{ label: 'sr-only' }">
            <UInput v-model="state.email" type="email" class="w-full"
                    :placeholder="t('contact.form.email')"/>
          </UFormField>

          <UFormField name="subject" label="Betreff" :ui="{ label: 'sr-only' }">
            <UInput v-model="state.subject" class="w-full" :placeholder="t('contact.form.subject')"/>
          </UFormField>

          <UFormField name="message" label="Nachricht" :ui="{ label: 'sr-only' }">
            <UTextarea v-model="state.message" :rows="6" class="w-full"
                       :placeholder="t('contact.form.message')"/>
          </UFormField>

          <UButton type="submit" color="primary" size="lg" class="w-full sm:w-auto">
            {{ t('contact.form.send') }}
          </UButton>
        </UForm>

      </div>

      <!-- ─── Decorative host snapshots ─── -->
      <div id="hosts" class="flex flex-col gap-10 lg:self-center w-full md:w-auto">
        <AppHero
            :src="t('contact.heroes.parents.image')"
            :alt="t('contact.heroes.parents.title')"
            image-side="left"
            :size="50"
            :title="t('contact.heroes.parents.title')"
            :description="t('contact.heroes.parents.description')"
        />

        <AppHero
            :src="t('contact.heroes.children.image')"
            :alt="t('contact.heroes.children.title')"
            image-side="right"
            :size="50"
            :title="t('contact.heroes.children.title')"
            :description="t('contact.heroes.children.description')"
        />
      </div>
    </div>
  </AppFlatSection>
</template>

<script setup lang="ts">
/*TODO form should contain link to privacy statement?*/
const {t, tm, rt} = useVariantData()
const { variantPath } = useVariantPath()
import * as v from 'valibot'
import type {FormSubmitEvent} from '@nuxt/ui'

/* ───── validation schema ───── */
const schema = v.object({
  name: v.pipe(v.string(), v.minLength(2, 'Bitte Namen eingeben')),
  email: v.pipe(v.string(), v.email('Ungültige E-Mail')),
  subject: v.pipe(v.string(), v.minLength(3, 'Betreff fehlt')),
  message: v.pipe(v.string(), v.minLength(10, 'Nachricht ist zu kurz'))
})
type Schema = v.InferOutput<typeof schema>

/* ───── reactive form state ───── */
const state = reactive<Schema>({
  name: '', email: '', subject: '', message: ''
})

const toast = useToast()

/* ───── submit handler ───── */
async function onSubmit(event: FormSubmitEvent<Schema>) {
  const config = useRuntimeConfig()
  const hotelId = config.public.hotelId

  if (!hotelId) {
    toast.add({
      title: 'Fehler',
      description: 'Hotel-ID ist nicht konfiguriert!',
      color: 'red'
    })
    throw new Error('Hotel ID not configured')
  }

  try {
    await $fetch('https://api.dominikmilacher.com/contact', {
      method: 'POST',
      headers: {'Content-Type': 'application/json'},
      body: {
        ...event.data,
        hotel: hotelId
      }
    })

    toast.add({
      title: 'Nachricht gesendet',
      description: 'Vielen Dank – wir melden uns bald.',
      color: 'green'
    })

    /* reset fields */
    Object.assign(state, {name: '', email: '', subject: '', message: ''})
  } catch (err: any) {
    toast.add({
      title: 'Fehler',
      description: err?.data?.detail ?? err?.message ?? 'Nachricht konnte nicht gesendet werden.',
      color: 'red'
    })
  }
}

</script>