SIB/frontend/src/views/FavoritesView.vue

<script setup lang="ts">
import { ref, computed, onMounted } from 'vue'
import { useRouter } from 'vue-router'
import { useFavoritesStore } from '@/stores/favorites'
import { useI18n } from 'vue-i18n'
import { getImageUrl as utilGetImageUrl } from '@/utils/imageUrl'

const router = useRouter()
const { t } = useI18n()
const favoritesStore = useFavoritesStore()
const selectedFilter = ref('all')

const filters = computed(() => [
  { key: 'all',       label: t('common.all'),    icon: 'star' },
  { key: 'routes',    label: t('favorites.tabs.routes'),    icon: 'directions_bus' },
  { key: 'taxis',     label: t('favorites.tabs.taxis'),    icon: 'local_taxi' },
  { key: 'businesses',label: t('favorites.tabs.businesses'), icon: 'store' },
  { key: 'coupons',   label: t('favorites.tabs.coupons'),  icon: 'confirmation_number' },
  { key: 'stops',     label: t('navigation.routes'),  icon: 'location_on' }, // Reusing navigation.routes or adding a specific one
])

onMounted(async () => {
  await favoritesStore.loadFavorites()
})

function getImageUrl(path?: string) {
  return utilGetImageUrl(path, 'business')
}

async function removeFavorite(event: Event, itemType: string, itemId: string) {
  event.stopPropagation()
  await favoritesStore.removeFavorite(itemType, itemId)
}

function navigateToItem(item: any) {
  if (item.item_type === 'route') router.push({ path: '/schedules', query: { routeId: item.item_id } })
  else if (item.item_type === 'taxi') router.push('/taxi')
  else if (item.item_type === 'business') router.push('/business/' + item.item_id)
  else if (item.item_type === 'coupon') router.push('/coupons')
  else if (item.item_type === 'stop') router.push({ path: '/map', query: { stopId: item.item_id } })
}

const visibleRoutes = computed(() =>
  (selectedFilter.value === 'all' || selectedFilter.value === 'routes') ? favoritesStore.routes : []
)
const visibleTaxis = computed(() =>
  (selectedFilter.value === 'all' || selectedFilter.value === 'taxis') ? favoritesStore.taxis : []
)
const visibleBusinesses = computed(() =>
  (selectedFilter.value === 'all' || selectedFilter.value === 'businesses') ? favoritesStore.businesses : []
)
const visibleCoupons = computed(() =>
  (selectedFilter.value === 'all' || selectedFilter.value === 'coupons') ? favoritesStore.coupons : []
)
const visibleStops = computed(() =>
  (selectedFilter.value === 'all' || selectedFilter.value === 'stops') ? favoritesStore.stops : []
)

const totalFavorites = computed(() => favoritesStore.favorites.length)
const hasVisibleItems = computed(() =>
  visibleRoutes.value.length + visibleTaxis.value.length +
  visibleBusinesses.value.length + visibleCoupons.value.length +
  visibleStops.value.length > 0
)
</script>

<template>
  <div class="fav-page">

    <!-- ── Header ── -->
    <header class="fav-header">
      <h1 class="fav-title">{{ t('favorites.title') }}</h1>
      <p class="fav-count" v-if="totalFavorites > 0">
        {{ t('favorites.count', { count: totalFavorites }) }}
      </p>
    </header>

    <!-- ── Chips de filtro ── -->
    <div class="chips-wrap">
      <div class="chips-scroll">
        <button
          v-for="f in filters"
          :key="f.key"
          class="chip"
          :class="{ 'chip--active': selectedFilter === f.key }"
          @click="selectedFilter = f.key"
        >
          <span class="material-icons chip-icon">{{ f.icon }}</span>
          {{ f.label }}
        </button>
      </div>
    </div>

    <!-- ── Loading ── -->
    <div v-if="favoritesStore.isLoading" class="state-center">
      <div class="spinner"></div>
      <p>{{ t('common.loading') }}</p>
    </div>

    <template v-else>
      <!-- ── Empty global ── -->
      <div v-if="totalFavorites === 0" class="empty-state">
        <div class="empty-illustration">
          <svg width="100" height="100" viewBox="0 0 100 100" fill="none">
            <path d="M50 80 C50 80 15 58 15 36 C15 24 24 16 34 16 C41 16 47 20 50 26 C53 20 59 16 66 16 C76 16 85 24 85 36 C85 58 50 80 50 80Z"
              stroke="var(--active-color)" stroke-width="4" stroke-linecap="round" stroke-linejoin="round" fill="none"/>
            <line x1="50" y1="38" x2="50" y2="52" stroke="var(--active-color)" stroke-width="4" stroke-linecap="round"/>
            <line x1="43" y1="45" x2="57" y2="45" stroke="var(--active-color)" stroke-width="4" stroke-linecap="round"/>
          </svg>
        </div>
        <h2 class="empty-title">{{ t('favorites.empty.title') }}</h2>
        <p class="empty-sub">{{ t('favorites.empty.description') }}</p>
        <button class="cta-btn" @click="router.push('/map')">
          <span class="material-icons">explore</span>
          {{ t('favorites.cta.exploreNow') }}
        </button>
      </div>

      <!-- ── Empty de categoría ── -->
      <div v-else-if="!hasVisibleItems" class="empty-state empty-state--sm">
        <span class="material-icons empty-cat-icon">search_off</span>
        <p class="empty-sub">{{ t('favorites.empty.noResultsCategory') }}</p>
      </div>

      <!-- ── Contenido ── -->
      <div v-else class="fav-content">

        <!-- RUTAS -->
        <section v-if="visibleRoutes.length > 0" class="fav-section">
          <div class="section-label">
            <span class="material-icons">directions_bus</span>
            <span>{{ t('favorites.tabs.routes') }}</span>
          </div>
          <div class="card-list">
            <div
              v-for="item in visibleRoutes"
              :key="item.id"
              class="card card--row"
              @click="navigateToItem(item)"
            >
              <div class="card-thumb card-thumb--yellow">
                <span class="material-icons">directions_bus</span>
              </div>
              <div class="card-info">
                <p class="card-name">{{ item.item_name }}</p>
                <p class="card-sub">{{ t('favorites.viewSchedules') }}</p>
              </div>
              <button class="heart-btn heart-btn--active" @click.stop="removeFavorite($event, item.item_type, item.item_id)" :title="t('favorites.removeTitle')">
                <span class="material-icons">favorite</span>
              </button>
            </div>
          </div>
        </section>

        <!-- TAXIS -->
        <section v-if="visibleTaxis.length > 0" class="fav-section">
          <div class="section-label">
            <span class="material-icons">local_taxi</span>
            <span>{{ t('favorites.tabs.taxis') }}</span>
          </div>
          <div class="card-list">
            <div
              v-for="item in visibleTaxis"
              :key="item.id"
              class="card card--row"
              @click="navigateToItem(item)"
            >
              <div class="card-thumb card-thumb--img">
                <img :src="getImageUrl(item.item_image)" :alt="item.item_name" />
              </div>
              <div class="card-info">
                <p class="card-name">{{ item.item_name }}</p>
                <p class="card-sub">{{ t('favorites.availability') }}</p>
              </div>
              <button class="heart-btn heart-btn--active" @click.stop="removeFavorite($event, item.item_type, item.item_id)" :title="t('favorites.removeTitle')">
                <span class="material-icons">favorite</span>
              </button>
            </div>
          </div>
        </section>

        <!-- NEGOCIOS -->
        <section v-if="visibleBusinesses.length > 0" class="fav-section">
          <div class="section-label">
            <span class="material-icons">store</span>
            <span>{{ t('favorites.tabs.businesses') }}</span>
          </div>
          <div class="biz-grid">
            <div
              v-for="item in visibleBusinesses"
              :key="item.id"
              class="biz-card"
              @click="navigateToItem(item)"
            >
              <div class="biz-img">
                <img :src="getImageUrl(item.item_image)" :alt="item.item_name" />
                <button class="heart-btn heart-btn--active heart-btn--overlay" @click.stop="removeFavorite($event, item.item_type, item.item_id)">
                  <span class="material-icons">favorite</span>
                </button>
                <span class="biz-badge">{{ t('favorites.tabs.businesses') }}</span>
              </div>
              <div class="biz-body">
                <p class="card-name">{{ item.item_name }}</p>
                <p class="card-sub">{{ t('favorites.details') }}</p>
              </div>
            </div>
          </div>
        </section>

        <!-- EVENTOS / CUPONES -->
        <section v-if="visibleCoupons.length > 0" class="fav-section">
          <div class="section-label">
            <span class="material-icons">confirmation_number</span>
            <span>{{ t('favorites.tabs.coupons') }}</span>
          </div>
          <div class="card-list">
            <div
              v-for="item in visibleCoupons"
              :key="item.id"
              class="card card--row"
              @click="navigateToItem(item)"
            >
              <div class="card-thumb card-thumb--event">
                <img v-if="item.item_image" :src="getImageUrl(item.item_image)" class="thumb-img" />
                <span v-else class="material-icons">local_activity</span>
              </div>
              <div class="card-info">
                <p class="card-name">{{ item.item_name }}</p>
                <span class="badge-avail">{{ t('favorites.tabs.coupons') }}</span>
              </div>
              <button class="heart-btn heart-btn--active" @click.stop="removeFavorite($event, item.item_type, item.item_id)" :title="t('favorites.removeTitle')">
                <span class="material-icons">favorite</span>
              </button>
            </div>
          </div>
        </section>

        <!-- ── PARADAS ── -->
        <section v-if="visibleStops.length > 0" class="fav-section">
          <div class="section-label">
            <span class="material-icons">location_on</span>
            <span>{{ t('navigation.routes') }}</span>
          </div>
          <div class="card-list">
            <div
              v-for="item in visibleStops"
              :key="item.id"
              class="card card--row"
              @click="navigateToItem(item)"
            >
              <div class="card-thumb card-thumb--blue">
                <span class="material-icons">location_on</span>
              </div>
              <div class="card-info">
                <p class="card-name">{{ item.item_name }}</p>
                <span class="badge-avail">{{ t('favorites.saved') }}</span>
              </div>
              <button class="heart-btn heart-btn--active" @click.stop="removeFavorite($event, item.item_type, item.item_id)">
                <span class="material-icons">favorite</span>
              </button>
            </div>
          </div>
        </section>

      </div>
    </template>
  </div>
</template>

<style scoped>
/* ══════════════════════════════════════════
   PÁGINA BASE
 ══════════════════════════════════════════ */
.fav-page {
  min-height: 100vh;
  background: var(--bg-primary);
  padding-bottom: 90px;
}

/* ══════════════════════════════════════════
   HEADER
 ══════════════════════════════════════════ */
.fav-header {
  padding: 1.5rem 1.25rem 1rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.fav-title {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.02em;
}

.fav-count {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ══════════════════════════════════════════
   CHIPS
 ══════════════════════════════════════════ */
.chips-wrap {
  background: var(--bg-secondary);
  padding: 0.75rem 0 0.75rem;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

.chips-scroll {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0 1.25rem;
  scrollbar-width: none;
}

.chips-scroll::-webkit-scrollbar { display: none; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  border-radius: 99px;
  font-size: 0.8125rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  border: 1.5px solid transparent;
  background: var(--bg-primary);
  color: var(--text-secondary);
  border-color: var(--border-color);
  transition: all 0.18s ease;
  flex-shrink: 0;
}

.chip-icon { font-size: 1rem; }

.chip:hover {
  color: var(--text-primary);
  border-color: var(--active-color);
}

.chip--active {
  background: var(--active-color);
  color: #101820;
  border-color: var(--active-color);
}

/* ══════════════════════════════════════════
   CONTENIDO
 ══════════════════════════════════════════ */
.fav-content {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 640px;
  margin: 0 auto;
}

/* ── Secciones ── */
.fav-section { display: flex; flex-direction: column; gap: 0.75rem; }

.section-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.section-label .material-icons {
  font-size: 1.25rem;
  color: var(--active-color);
}

/* ══════════════════════════════════════════
   TARJETA FILA (rutas / taxis / eventos)
 ══════════════════════════════════════════ */
.card-list { display: flex; flex-direction: column; gap: 0.625rem; }

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  transition: border-color 0.2s, transform 0.15s;
  cursor: pointer;
}

.card:hover {
  border-color: var(--active-color);
  transform: translateX(4px);
}

.card--row {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem;
}

/* Thumb */
.card-thumb {
  width: 52px;
  height: 52px;
  border-radius: 0.75rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.card-thumb--yellow {
  background: var(--active-color);
  color: #101820;
}

.card-thumb--yellow .material-icons { font-size: 1.5rem; }

.card-thumb--img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-thumb--event {
  background: linear-gradient(135deg, #FEE715, #F97316);
  color: #101820;
}

.card-thumb--event .material-icons { font-size: 1.5rem; }

.card-thumb--blue {
  background: #3b82f6;
  color: white;
}

.card-thumb--blue .material-icons { font-size: 1.5rem; }

/* Info */
.card-info { flex: 1; min-width: 0; }

.card-name {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-sub {
  margin: 0.2rem 0 0;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.badge-avail {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.6875rem;
  font-weight: 800;
  color: #16a34a;
  background: rgba(22, 163, 74, 0.12);
  border-radius: 99px;
  padding: 0.15rem 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ══════════════════════════════════════════
   BOTÓN CORAZÓN
 ══════════════════════════════════════════ */
.heart-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s;
}

.heart-btn .material-icons { font-size: 1.125rem; }

.heart-btn--active {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.heart-btn--active:hover {
  background: #ef4444;
  border-color: #ef4444;
  color: white;
  transform: scale(1.1);
}

.heart-btn--overlay {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: rgba(0,0,0,0.45);
  border-color: transparent;
  color: white;
  backdrop-filter: blur(4px);
}

.heart-btn--overlay:hover {
  background: #ef4444;
}

/* ══════════════════════════════════════════
   GRID DE NEGOCIOS
 ══════════════════════════════════════════ */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.biz-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}

.biz-card:hover {
  border-color: var(--active-color);
  transform: translateY(-4px);
}

.biz-img {
  position: relative;
  height: 100px;
  overflow: hidden;
}

.biz-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.biz-badge {
  position: absolute;
  bottom: 0.5rem;
  left: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 800;
  background: var(--active-color);
  color: #101820;
  padding: 0.15rem 0.5rem;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.biz-body {
  padding: 0.625rem 0.75rem;
}

.biz-body .card-name {
  font-size: 0.875rem;
}

.biz-body .card-sub {
  color: var(--active-color);
  font-weight: 700;
}

/* ══════════════════════════════════════════
   ESTADOS
 ══════════════════════════════════════════ */
.state-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.25rem;
  gap: 1rem;
  color: var(--text-secondary);
}

.spinner {
  width: 2rem;
  height: 2rem;
  border: 2.5px solid var(--border-color);
  border-top-color: var(--active-color);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Empty state principal */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3.5rem 2rem;
  text-align: center;
  max-width: 360px;
  margin: 2rem auto 0;
}

.empty-state--sm { padding: 2rem 1.25rem; }

.empty-illustration {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  border: 1.5px dashed var(--border-color);
}

.empty-cat-icon {
  font-size: 3rem;
  color: var(--text-secondary);
  opacity: 0.4;
  margin-bottom: 0.75rem;
}

.empty-title {
  font-size: 1.375rem;
  font-weight: 900;
  color: var(--text-primary);
  margin: 0 0 0.625rem;
  letter-spacing: -0.02em;
}

.empty-sub {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0 0 1.75rem;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: var(--active-color);
  color: #101820;
  border: none;
  border-radius: 99px;
  font-size: 0.9375rem;
  font-weight: 800;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(254, 231, 21, 0.3);
  transition: transform 0.15s, box-shadow 0.15s;
}

.cta-btn .material-icons { font-size: 1.25rem; }

.cta-btn:active { transform: scale(0.97); }

/* ══════════════════════════════════════════
   RESPONSIVE
 ══════════════════════════════════════════ */
@media (max-width: 480px) {
  .biz-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .fav-title { font-size: 1.5rem; }
}

@media (min-width: 640px) {
  .biz-grid { grid-template-columns: repeat(3, 1fr); }
}
</style>