refactor(catalog): default valid selections and minimal action panel

app/components/catalog/CatalogConfigurator.vue

@@ -194,12 +194,14 @@ function requiredKeys(group: ProductGroup) {
   return visibleFields(group).map((field) => field.key);
 }
 
-function createGroupState(): GroupState {
+function createGroupState(group: ProductGroup): GroupState {
+  const firstProduct = group.products[0];
+
   return {
-    widthMm: null,
-    lengthM: null,
-    thicknessMicron: null,
-    sleeveBrand: null,
+    widthMm: firstProduct?.widthMm ?? null,
+    lengthM: firstProduct?.lengthM ?? null,
+    thicknessMicron: firstProduct?.thicknessMicron ?? null,
+    sleeveBrand: firstProduct?.sleeveBrand ?? null,
     isExpanded: false,
   };
 }
@@ -216,14 +218,14 @@ watch(
     }
 
     for (const group of groups) {
-      groupStates[group.key] ??= createGroupState();
+      groupStates[group.key] ??= createGroupState(group);
     }
   },
   { immediate: true },
 );
 
 function getGroupState(group: ProductGroup) {
-  groupStates[group.key] ??= createGroupState();
+  groupStates[group.key] ??= createGroupState(group);
   return groupStates[group.key];
 }
 
@@ -252,61 +254,6 @@ function selectedProduct(group: ProductGroup) {
   return matches.length === 1 ? matches[0] : null;
 }
 
-function remainingSelectionCount(group: ProductGroup) {
-  const state = getGroupState(group);
-  return requiredKeys(group).filter((key) => state[key] === null).length;
-}
-
-function pluralize(value: number, one: string, few: string, many: string) {
-  const mod10 = value % 10;
-  const mod100 = value % 100;
-
-  if (mod10 === 1 && mod100 !== 11) {
-    return one;
-  }
-  if (mod10 >= 2 && mod10 <= 4 && (mod100 < 12 || mod100 > 14)) {
-    return few;
-  }
-  return many;
-}
-
-function selectionHeadline(group: ProductGroup) {
-  const product = selectedProduct(group);
-  if (product) {
-    return `SKU ${product.sku}`;
-  }
-
-  const remaining = remainingSelectionCount(group);
-  if (remaining > 0) {
-    return `Выберите еще ${remaining} ${pluralize(remaining, 'параметр', 'параметра', 'параметров')}`;
-  }
-
-  return 'Комбинация не найдена';
-}
-
-function selectionDescription(group: ProductGroup) {
-  const product = selectedProduct(group);
-  if (product) {
-    return [
-      product.widthMm ? `${product.widthMm} мм` : null,
-      product.lengthM ? `${product.lengthM} м` : null,
-      product.thicknessMicron ? `${product.thicknessMicron} мкм` : null,
-      normalizeText(product.sleeveBrand) || null,
-    ].filter(Boolean).join(' • ');
-  }
-
-  const remaining = remainingSelectionCount(group);
-  if (remaining > 0) {
-    return 'Переключатели ниже собирают точную модификацию товара.';
-  }
-
-  return 'Разверните весь список, если нужна ручная проверка вариантов.';
-}
-
-function addButtonLabel(group: ProductGroup) {
-  return selectedProduct(group) ? 'В корзину' : 'Выбрать параметры';
-}
-
 function boxQuantityLabel(group: ProductGroup) {
   const product = selectedProduct(group);
   if (product?.quantityPerBoxOptions.length) {
@@ -349,17 +296,25 @@ function isOptionAvailable(group: ProductGroup, field: ParamFieldKey, option: Pa
 function updateField(group: ProductGroup, field: ParamFieldKey, value: ParamValue) {
   const state = getGroupState(group);
   state[field] = value as GroupState[typeof field];
+
+  const resolved = selectedProduct(group);
+  if (resolved) {
+    return;
   }
 
-function clearField(group: ProductGroup, field: ParamFieldKey) {
-  getGroupState(group)[field] = null;
+  const fallback = group.products.find((product) => product[field] === value) ?? group.products[0];
+  if (!fallback) {
+    return;
   }
 
-function clearSelection(group: ProductGroup) {
-  const state = getGroupState(group);
-  for (const key of PARAM_KEYS) {
-    state[key] = null;
+  state.widthMm = fallback.widthMm ?? null;
+  state.lengthM = fallback.lengthM ?? null;
+  state.thicknessMicron = fallback.thicknessMicron ?? null;
+  state.sleeveBrand = fallback.sleeveBrand ?? null;
 }
+
+function articleLabel(group: ProductGroup) {
+  return selectedProduct(group)?.sku ?? '—';
 }
 
 function toggleExpanded(group: ProductGroup) {
@@ -441,26 +396,16 @@ function decrementSelected(group: ProductGroup) {
 
           <div class="rounded-[28px] bg-base-100 p-4 md:p-5 xl:col-span-4">
             <div class="mb-4">
-              <p class="text-xs font-semibold uppercase tracking-[0.18em] text-base-content/45">Тип товара</p>
-              <h2 class="mt-2 text-2xl font-bold text-[#163624]">{{ group.typeLabel }}</h2>
+              <h2 class="text-2xl font-bold text-[#163624]">{{ group.typeLabel }}</h2>
             </div>
 
-            <div class="grid gap-4 md:grid-cols-2">
-              <fieldset
+            <div class="space-y-4">
+              <div
                 v-for="field in visibleFields(group)"
                 :key="`${group.key}-${field.key}`"
-                class="rounded-[24px] bg-base-200/50 p-4"
+                class="border-b border-base-200 pb-4 last:border-b-0 last:pb-0"
               >
-                <div class="flex items-center justify-between gap-3">
-                  <legend class="text-sm font-semibold text-[#163624]">{{ field.label }}</legend>
-                  <button
-                    v-if="getGroupState(group)[field.key] !== null"
-                    class="btn btn-ghost btn-xs rounded-full px-2"
-                    @click="clearField(group, field.key)"
-                  >
-                    Сбросить
-                  </button>
-                </div>
+                <p class="text-sm font-semibold text-[#163624]">{{ field.label }}</p>
 
                 <div class="mt-3 flex flex-wrap gap-2">
                   <label
@@ -487,30 +432,29 @@ function decrementSelected(group: ProductGroup) {
                     <span>{{ formatOptionLabel(field.key, option) }}</span>
                   </label>
                 </div>
-              </fieldset>
+              </div>
             </div>
           </div>
 
           <aside class="rounded-[28px] bg-base-100 p-4 md:p-5 xl:col-span-1">
             <div class="flex h-full flex-col justify-between gap-4">
               <div class="space-y-3">
-                <div class="rounded-[22px] bg-base-200/70 p-3">
-                  <p v-if="selectedProduct(group)" class="text-sm font-semibold text-[#163624]">{{ selectionHeadline(group) }}</p>
-                  <p class="text-xs leading-5 text-base-content/65">{{ selectionDescription(group) }}</p>
-                  <p class="mt-2 text-xs leading-5 text-base-content/65">Короб: {{ boxQuantityLabel(group) }}</p>
-                </div>
+                <p class="text-xs font-semibold uppercase tracking-[0.18em] text-base-content/45">Артикул</p>
+                <p class="text-xl font-bold text-[#163624]">{{ articleLabel(group) }}</p>
+                <p class="text-xs leading-5 text-base-content/65">Короб: {{ boxQuantityLabel(group) }}</p>
               </div>
 
               <div class="space-y-3">
                 <button
-                  class="btn btn-neutral h-11 w-full rounded-full text-sm font-semibold"
+                  v-if="selectedQty(group) === 0"
+                  class="btn btn-success h-11 w-full rounded-full border-0 text-sm font-semibold text-success-content"
                   :disabled="!selectedProduct(group)"
                   @click="incrementSelected(group)"
                 >
-                  {{ addButtonLabel(group) }}
+                  В корзину
                 </button>
 
-                <div class="rounded-[22px] border border-base-300 bg-base-100 px-2 py-1">
+                <div v-else class="rounded-[22px] border border-base-300 bg-base-100 px-2 py-1">
                   <div class="flex items-center justify-between gap-2">
                     <button
                       class="btn btn-square btn-sm"
@@ -528,14 +472,6 @@ function decrementSelected(group: ProductGroup) {
                     </button>
                   </div>
                 </div>
-
-                <button
-                  class="btn btn-ghost btn-sm w-full rounded-full"
-                  :disabled="requiredKeys(group).every((key) => getGroupState(group)[key] === null)"
-                  @click="clearSelection(group)"
-                >
-                  Сбросить выбор
-                </button>
               </div>
             </div>
           </aside>
@@ -543,24 +479,24 @@ function decrementSelected(group: ProductGroup) {
 
         <div
           v-if="getGroupState(group).isExpanded"
-          class="mt-4 overflow-x-auto rounded-[28px] bg-base-100 p-2"
+          class="mt-4 overflow-x-auto rounded-[28px] bg-base-100"
         >
-          <table class="table table-zebra">
+          <table class="table border-separate border-spacing-0">
             <thead>
               <tr>
-                <th>Фото</th>
-                <th>SKU</th>
-                <th>Ширина</th>
-                <th>Длина</th>
-                <th>Толщина</th>
-                <th>Втулка</th>
-                <th>Короб</th>
-                <th class="text-right">Действие</th>
+                <th class="border-b border-base-300">Фото</th>
+                <th class="border-b border-base-300">Артикул</th>
+                <th class="border-b border-base-300">Ширина</th>
+                <th class="border-b border-base-300">Длина</th>
+                <th class="border-b border-base-300">Толщина</th>
+                <th class="border-b border-base-300">Втулка</th>
+                <th class="border-b border-base-300">Короб</th>
+                <th class="border-b border-base-300 text-right">Действие</th>
               </tr>
             </thead>
             <tbody>
               <tr v-for="product in group.products" :key="`${group.key}-${product.id}`">
-                <td>
+                <td class="border-b border-base-200">
                   <img
                     :src="createProductCover(product.name, product.sku)"
                     :alt="`Превью ${product.sku}`"
@@ -568,13 +504,13 @@ function decrementSelected(group: ProductGroup) {
                     loading="lazy"
                   >
                 </td>
-                <td>{{ product.sku }}</td>
-                <td>{{ product.widthMm ?? '—' }}</td>
-                <td>{{ product.lengthM ?? '—' }}</td>
-                <td>{{ product.thicknessMicron ?? '—' }}</td>
-                <td>{{ product.sleeveBrand ?? '—' }}</td>
-                <td>{{ product.quantityPerBox ?? '—' }}</td>
-                <td class="text-right">
+                <td class="border-b border-base-200">{{ product.sku }}</td>
+                <td class="border-b border-base-200">{{ product.widthMm ?? '—' }}</td>
+                <td class="border-b border-base-200">{{ product.lengthM ?? '—' }}</td>
+                <td class="border-b border-base-200">{{ product.thicknessMicron ?? '—' }}</td>
+                <td class="border-b border-base-200">{{ product.sleeveBrand ?? '—' }}</td>
+                <td class="border-b border-base-200">{{ product.quantityPerBox ?? '—' }}</td>
+                <td class="border-b border-base-200 text-right">
                   <div class="ml-auto flex w-28 items-center justify-between rounded-xl border border-base-300 px-1 py-1">
                     <button
                       class="btn btn-xs btn-square"