{% extends "base.html" %}
{% block title %}{{ _('Seleziona Ricetta') }} — TieMeasureFlow{% endblock %}

{% block content %}
<script>window.__selectRecipeData = {{ recipes|tojson }};</script>
<div class="container mx-auto px-4 sm:px-6 lg:px-8 py-8 max-w-7xl"
     x-data="{
       recipes: window.__selectRecipeData,
       search: '{{ auto_recipe_code }}',
       lot_number: '{{ auto_lot }}',
       serial_number: '{{ auto_serial }}',
       barcodeModal: false,
       barcodeInput: '',
       barcodeLoading: false,
       barcodeError: '',
       get filteredRecipes() {
         if (!this.search) return this.recipes;
         const q = this.search.toLowerCase();
         return this.recipes.filter(r =>
           (r.name || '').toLowerCase().includes(q) ||
           (r.code || '').toLowerCase().includes(q) ||
           (r.description || '').toLowerCase().includes(q)
         );
       },
       /* Which compulsory traceability fields this recipe is still missing.
          Empty means the operator can start. The server refuses the same thing
          when the production opens - this is only the earlier answer. */
       missingTraceability(recipe) {
         const missing = [];
         if (recipe.requires_lot && !this.lot_number.trim()) missing.push('{{ _('lotto') }}');
         if (recipe.requires_serial && !this.serial_number.trim()) missing.push('{{ _('seriale') }}');
         return missing;
       },
       buildTaskUrl(recipeId) {
         let url = '/measure/tasks/' + recipeId + '?';
         const params = [];
         if (this.lot_number) params.push('lot_number=' + encodeURIComponent(this.lot_number));
         if (this.serial_number) params.push('serial_number=' + encodeURIComponent(this.serial_number));
         return url + params.join('&');
       },
       async lookupBarcode() {
         if (!this.barcodeInput.trim()) return;
         this.barcodeLoading = true;
         this.barcodeError = '';
         try {
           const csrfToken = document.querySelector('meta[name=csrf-token]')?.content;
           const resp = await fetch('/measure/lookup-barcode', {
             method: 'POST',
             headers: {
               'Content-Type': 'application/json',
               'X-CSRFToken': csrfToken || ''
             },
             body: JSON.stringify({ code: this.barcodeInput.trim() })
           });
           const data = await resp.json();
           if (data.error) {
             this.barcodeError = data.detail || '{{ _("Ricetta non trovata") }}';
           } else {
             // The scanner is a way in like any other: a recipe that demands a lot
             // demands it here too, or the rule would last exactly as long as it
             // took someone to reach for the barcode reader.
             const missing = this.missingTraceability(data);
             if (missing.length) {
               this.barcodeError = '{{ _("Compila prima:") }} ' + missing.join(', ');
               return;
             }
             this.barcodeModal = false;
             this.barcodeInput = '';
             window.location.href = this.buildTaskUrl(data.id);
           }
         } catch (e) {
           this.barcodeError = '{{ _("Errore di connessione") }}';
         } finally {
           this.barcodeLoading = false;
         }
       }
     }">

  {# A production open at this station keeps its clock on screen even here: the
     interval runs whether or not the operator is looking at the measurement. #}
  {% include "components/production_clock.html" %}

  <!-- Page Header -->
  <div class="mb-8">
    <div class="flex items-center justify-between flex-wrap gap-4">
      <div class="flex items-center space-x-3">
        <div class="p-2 bg-primary-50 dark:bg-primary-900/30 rounded-lg">
          <svg class="h-7 w-7 text-primary-600 dark:text-primary-400" fill="none" stroke="currentColor" stroke-width="1.75" viewBox="0 0 24 24">
            <path stroke-linecap="round" stroke-linejoin="round" d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4"/>
          </svg>
        </div>
        <div>
          <h1 class="text-2xl sm:text-3xl font-bold text-[var(--text-primary)]">
            {{ _('Seleziona Ricetta') }}
          </h1>
          <p class="mt-1 text-sm text-[var(--text-secondary)]">
            {{ _('Scegli la ricetta di misura da eseguire') }}
          </p>
          <p class="mt-1 text-sm text-steel-500 dark:text-steel-400">
            {{ _('Stazione') }}: <span class="font-mono font-bold">{{ station_code }}</span>
          </p>
          {% if station_overridden %}
          <p class="mt-2 inline-flex flex-wrap items-center gap-2 px-2.5 py-1 rounded-lg
                    bg-amber-50 dark:bg-amber-900/20 border border-amber-300 dark:border-amber-700
                    text-xs text-amber-800 dark:text-amber-200">
            <svg class="w-4 h-4 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" d="M12 9v3.75m-9.303 3.376c-.866 1.5.217 3.374 1.948 3.374h14.71c1.73 0 2.813-1.874 1.948-3.374L13.949 3.378c-.866-1.5-3.032-1.5-3.898 0L2.697 16.126zM12 15.75h.007v.008H12v-.008z"/>
            </svg>
            <span>
              {{ _('Stazione forzata per collaudo') }}{% if station_configured %} — {{ _('configurata') }}:
              <span class="font-mono">{{ station_configured }}</span>{% endif %}
            </span>
            <a href="{{ url_for('measure.select_recipe', station='') }}"
               class="font-medium underline underline-offset-2 hover:no-underline">
              {{ _('Ripristina') }}
            </a>
          </p>
          {% endif %}
        </div>
      </div>

      <!-- Barcode Button -->
      <button @click="barcodeModal = true"
              class="btn btn-secondary gap-2">
        <svg class="w-5 h-5" fill="none" stroke="currentColor" stroke-width="1.75" viewBox="0 0 24 24">
          <path stroke-linecap="round" stroke-linejoin="round" d="M3 4h2v16H3V4zm4 0h1v16H7V4zm3 0h2v16h-2V4zm4 0h3v16h-3V4zm5 0h2v16h-2V4z"/>
        </svg>
        {{ _('Scansiona Barcode') }}
      </button>
    </div>
  </div>

  <!-- Search Bar (filter) -->
  <div class="tmf-card mb-4">
    <div class="p-4 sm:p-5">
      <label class="tmf-label">
        <svg class="w-3.5 h-3.5 inline-block mr-1 -mt-0.5" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
          <path stroke-linecap="round" stroke-linejoin="round" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"/>
        </svg>
        {{ _('Cerca ricetta') }}
      </label>
      <input type="text"
             x-model="search"
             placeholder="{{ _('Nome, codice o descrizione...') }}"
             class="tmf-input">
    </div>
  </div>

  <!-- Traceability (data entry, NOT a search filter) -->
  <div class="tmf-card mb-6 border-l-4 border-l-primary">
    <div class="p-4 sm:p-5">
      <div class="flex items-center gap-2 mb-3">
        <svg class="w-5 h-5 text-primary shrink-0" fill="none" stroke="currentColor" stroke-width="1.75" viewBox="0 0 24 24">
          <path stroke-linecap="round" stroke-linejoin="round" d="M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4"/>
        </svg>
        <div>
          <h2 class="text-sm font-semibold text-[var(--text-primary)] leading-tight">{{ _('Tracciabilità') }}</h2>
          <p class="text-xs text-[var(--text-muted)] leading-tight">{{ _('Dati del pezzo da misurare — compila prima di selezionare la ricetta') }}</p>
        </div>
      </div>
      <div class="grid grid-cols-1 sm:grid-cols-2 gap-4">
        <!-- Lot Number -->
        <div>
          <label class="tmf-label flex items-center gap-1.5">
            <svg class="w-3.5 h-3.5 text-amber-500" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" d="M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4"/>
            </svg>
            {{ _('Numero Lotto') }}
          </label>
          <input type="text"
                 x-model="lot_number"
                 placeholder="{{ _('Es. LOT-2026-001') }}"
                 class="tmf-input font-mono">
        </div>

        <!-- Serial Number -->
        <div>
          <label class="tmf-label flex items-center gap-1.5">
            <svg class="w-3.5 h-3.5 text-indigo-500" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" d="M7 20l4-16m2 16l4-16M6 9h14M4 15h14"/>
            </svg>
            {{ _('Numero Seriale') }}
          </label>
          <input type="text"
                 x-model="serial_number"
                 placeholder="{{ _('Es. SN-000123') }}"
                 class="tmf-input font-mono">
        </div>
      </div>
    </div>
  </div>

  <!-- Results Count -->
  <div class="flex items-center justify-between mb-4">
    <p class="text-sm text-[var(--text-secondary)]">
      <span x-text="filteredRecipes.length"></span> {{ _('ricette trovate') }}
    </p>
  </div>

  <!-- Recipe Grid -->
  <div class="grid grid-cols-1 md:grid-cols-2 xl:grid-cols-3 gap-5">
    <template x-for="recipe in filteredRecipes" :key="recipe.id">
      <div class="tmf-card flex flex-col hover:border-primary/30 transition-all duration-200 group">
        <!-- Card Header -->
        <div class="p-5 flex-1">
          <!-- Code Badge + Version -->
          <div class="flex items-center justify-between mb-3">
            <span class="inline-flex items-center px-2.5 py-0.5 rounded-md text-xs font-semibold
                         bg-primary-50 dark:bg-primary-900/30 text-primary-700 dark:text-primary-300
                         border border-primary-200 dark:border-primary-800 font-mono tracking-wide"
                  x-text="recipe.code">
            </span>
            <span class="badge badge-neutral text-xs"
                  x-show="recipe.current_version || recipe.version"
                  x-text="'v' + (recipe.current_version ? recipe.current_version.version_number : (recipe.version || ''))">
            </span>
          </div>

          <!-- Title + Thumbnail row -->
          <div class="flex items-start gap-3 mb-2">
            <!-- Thumbnail (fit, no crop) -->
            <template x-if="recipe.image_path">
              <div class="w-16 h-16 rounded-md overflow-hidden bg-[var(--bg-secondary)] border border-[var(--border-color)] shrink-0 flex items-center justify-center">
                <img :src="'/measure/api/files/' + recipe.image_path"
                     class="max-w-full max-h-full object-contain"
                     loading="lazy"
                     onerror="this.parentElement.style.display='none'">
              </div>
            </template>

            <div class="min-w-0 flex-1">
              <!-- Recipe Name -->
              <h3 class="text-lg font-semibold text-[var(--text-primary)] leading-snug"
                  x-text="recipe.name">
              </h3>

              <!-- Description -->
              <p class="mt-1 text-sm text-[var(--text-secondary)] line-clamp-2 leading-relaxed"
                 x-text="recipe.description || '{{ _('Nessuna descrizione disponibile') }}'">
              </p>
            </div>
          </div>

          <!-- Meta Info -->
          <div class="mt-4 flex items-center gap-3 text-xs text-[var(--text-muted)]">
            <template x-if="recipe.task_count != null">
              <span class="flex items-center gap-1">
                <svg class="w-3.5 h-3.5" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
                  <path stroke-linecap="round" stroke-linejoin="round" d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2"/>
                </svg>
                <span x-text="recipe.task_count + ' task'"></span>
              </span>
            </template>
            <template x-if="recipe.updated_at">
              <span class="flex items-center gap-1">
                <svg class="w-3.5 h-3.5" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
                  <path stroke-linecap="round" stroke-linejoin="round" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"/>
                </svg>
                <span x-text="new Date(recipe.updated_at).toLocaleDateString('it-IT')"></span>
              </span>
            </template>
          </div>
        </div>

        <!-- Card Footer -->
        <div class="px-5 py-3.5 border-t border-[var(--border-color)] bg-[var(--bg-secondary)]
                    rounded-b-xl">

          {# What this recipe insists on before anyone measures. Said on the card
             rather than after the fact: a measurement taken without its lot cannot
             be traced back, and finding that out later is finding it out too late. #}
          <template x-if="missingTraceability(recipe).length">
            <p class="mb-2 flex items-start gap-1.5 text-xs text-amber-700 dark:text-amber-300">
              <svg class="w-3.5 h-3.5 shrink-0 mt-px" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" d="M12 9v3.75m-9.303 3.376c-.866 1.5.217 3.374 1.948 3.374h14.71c1.73 0 2.813-1.874 1.948-3.374L13.949 3.378c-.866-1.5-3.032-1.5-3.898 0L2.697 16.126zM12 15.75h.007v.008H12v-.008z"/>
              </svg>
              <span x-text="'{{ _('Compila prima:') }} ' + missingTraceability(recipe).join(', ')"></span>
            </p>
          </template>

          <a :href="missingTraceability(recipe).length ? null : buildTaskUrl(recipe.id)"
             :aria-disabled="missingTraceability(recipe).length > 0"
             :class="missingTraceability(recipe).length
               ? 'opacity-40 cursor-not-allowed pointer-events-none'
               : 'group-hover:shadow-md'"
             class="btn btn-primary w-full justify-center text-sm font-semibold
                    transition-shadow duration-200">
            <svg class="w-4 h-4" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4"/>
            </svg>
            {{ _('Seleziona') }}
            <svg class="w-4 h-4 transition-transform group-hover:translate-x-0.5" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" d="M9 5l7 7-7 7"/>
            </svg>
          </a>
        </div>
      </div>
    </template>
  </div>

  <!-- Empty State -->
  <div x-show="filteredRecipes.length === 0" x-cloak
       class="text-center py-16">
    <div class="inline-flex items-center justify-center w-16 h-16 rounded-full
                bg-[var(--bg-secondary)] mb-4">
      <svg class="w-8 h-8 text-[var(--text-muted)]" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24">
        <path stroke-linecap="round" stroke-linejoin="round" d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2"/>
      </svg>
    </div>
    <h3 class="text-lg font-semibold text-[var(--text-primary)] mb-1">
      {{ _('Nessuna ricetta trovata') }}
    </h3>
    <p class="text-sm text-[var(--text-secondary)] max-w-md mx-auto">
      <span x-show="search">
        {{ _('Nessun risultato per') }} "<span x-text="search" class="font-medium"></span>".
        {{ _('Prova con un termine diverso.') }}
      </span>
      <span x-show="!search">
        {{ _('Non ci sono ricette disponibili al momento.') }}
      </span>
    </p>
  </div>

  <!-- Barcode Modal -->
  <div x-show="barcodeModal" x-cloak
       x-transition:enter="transition ease-out duration-200"
       x-transition:enter-start="opacity-0"
       x-transition:enter-end="opacity-100"
       x-transition:leave="transition ease-in duration-150"
       x-transition:leave-start="opacity-100"
       x-transition:leave-end="opacity-0"
       class="fixed inset-0 z-50 flex items-center justify-center p-4"
       @keydown.escape.window="barcodeModal = false">
    <!-- Backdrop -->
    <div class="absolute inset-0 bg-black/50" @click="barcodeModal = false"></div>

    <!-- Modal Content -->
    <div class="relative w-full max-w-md bg-[var(--bg-card)] rounded-xl shadow-2xl
                border border-[var(--border-color)]"
         x-transition:enter="transition ease-out duration-200"
         x-transition:enter-start="opacity-0 scale-95"
         x-transition:enter-end="opacity-100 scale-100"
         x-transition:leave="transition ease-in duration-150"
         x-transition:leave-start="opacity-100 scale-100"
         x-transition:leave-end="opacity-0 scale-95"
         @click.stop>

      <!-- Modal Header -->
      <div class="flex items-center justify-between p-5 border-b border-[var(--border-color)]">
        <div class="flex items-center gap-3">
          <div class="p-2 bg-primary-50 dark:bg-primary-900/30 rounded-lg">
            <svg class="w-5 h-5 text-primary-600 dark:text-primary-400" fill="none" stroke="currentColor" stroke-width="1.75" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" d="M3 4h2v16H3V4zm4 0h1v16H7V4zm3 0h2v16h-2V4zm4 0h3v16h-3V4zm5 0h2v16h-2V4z"/>
            </svg>
          </div>
          <h3 class="text-lg font-semibold text-[var(--text-primary)]">
            {{ _('Scansiona Barcode') }}
          </h3>
        </div>
        <button @click="barcodeModal = false"
                class="p-1.5 rounded-lg text-[var(--text-muted)] hover:text-[var(--text-primary)]
                       hover:bg-[var(--bg-secondary)] transition-colors">
          <svg class="w-5 h-5" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
            <path stroke-linecap="round" stroke-linejoin="round" d="M6 18L18 6M6 6l12 12"/>
          </svg>
        </button>
      </div>

      <!-- Modal Body -->
      <div class="p-5">
        <p class="text-sm text-[var(--text-secondary)] mb-4">
          {{ _('Inserisci o scansiona il codice della ricetta per selezionarla automaticamente.') }}
        </p>

        <div class="space-y-4">
          <div>
            <label class="tmf-label">{{ _('Codice Ricetta') }}</label>
            <input type="text"
                   x-model="barcodeInput"
                   @keydown.enter.prevent="lookupBarcode()"
                   x-ref="barcodeField"
                   x-init="$watch('barcodeModal', val => { if (val) setTimeout(() => $refs.barcodeField.focus(), 100) })"
                   placeholder="{{ _('Es. REC-001') }}"
                   class="tmf-input font-mono text-lg tracking-wider"
                   :disabled="barcodeLoading">
          </div>

          <!-- Error Message -->
          <div x-show="barcodeError" x-cloak
               class="flex items-center gap-2 px-3 py-2 rounded-lg bg-red-50 dark:bg-red-900/20
                      border border-red-200 dark:border-red-800 text-red-700 dark:text-red-300 text-sm">
            <svg class="w-4 h-4 shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" d="M12 8v4m0 4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/>
            </svg>
            <span x-text="barcodeError"></span>
          </div>
        </div>
      </div>

      <!-- Modal Footer -->
      <div class="flex items-center justify-end gap-3 p-5 border-t border-[var(--border-color)]
                  bg-[var(--bg-secondary)] rounded-b-xl">
        <button @click="barcodeModal = false; barcodeInput = ''; barcodeError = ''"
                class="btn btn-secondary">
          {{ _('Annulla') }}
        </button>
        <button @click="lookupBarcode()"
                :disabled="!barcodeInput.trim() || barcodeLoading"
                class="btn btn-primary">
          <svg x-show="barcodeLoading" class="w-4 h-4 animate-spin" fill="none" viewBox="0 0 24 24">
            <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
            <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4z"></path>
          </svg>
          <span x-show="!barcodeLoading">
            <svg class="w-4 h-4" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"/>
            </svg>
          </span>
          {{ _('Cerca') }}
        </button>
      </div>
    </div>
  </div>

</div>
{% endblock %}