<script setup lang="ts">
import { computed, onMounted } from 'vue'
import { useUserStore } from '@/stores/user'
import GlassCard from '@/components/ui/GlassCard.vue'
import AppIcon from '@/components/ui/AppIcon.vue'
import EmptyState from '@/components/ui/EmptyState.vue'

const userStore = useUserStore()

onMounted(() => {
  void userStore.fetchNotifications()
})

const grouped = computed(() => {
  const map: Record<string, typeof userStore.notifications> = {}
  userStore.notifications.forEach(n => {
    const day = new Date(n.createdAt).toLocaleDateString('ru-RU')
    map[day] = map[day] || []
    map[day].push(n)
  })
  return Object.entries(map)
})

const typeIcon: Record<string, string> = {
  reminder: 'alarm',
  'schedule-change': 'calendar-event',
  achievement: 'trophy',
  coins: 'coin',
  recommendation: 'sparkles',
}
</script>

<template>
  <div class="notifications page-content">
    <div class="header">
      <h1 class="page-title">Уведомления</h1>
      <button class="btn-secondary" @click="userStore.markAllRead">Отметить все как прочитанные</button>
    </div>

    <div v-if="userStore.notifications.length === 0" class="empty-wrap">
      <EmptyState
        icon="bell"
        title="Нет уведомлений"
        subtitle="Здесь будут появляться важные события и обновления"
      />
    </div>

    <div v-else class="notification-groups">
      <GlassCard v-for="([day, items]) in grouped" :key="day" class="group">
        <div class="group-title">{{ day }}</div>
        <div class="items">
          <div v-for="n in items" :key="n.id" class="item" :class="{ unread: !n.read }">
            <AppIcon class="icon" :icon="typeIcon[n.type]" :size="20" />
            <div>
              <div class="item-title">{{ n.title }}</div>
              <div class="item-body">{{ n.body }}</div>
            </div>
          </div>
        </div>
      </GlassCard>
    </div>
  </div>
</template>

<style scoped>
.notifications {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: calc(100vh - var(--topbar-height) - 28px - 80px);
}
.header { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.notification-groups { display: flex; flex-direction: column; gap: 14px; }
.group-title { font-weight: 700; margin-bottom: 10px; }
.items { display: flex; flex-direction: column; gap: 10px; }
.item { display: flex; gap: 12px; padding: 10px; border-radius: var(--radius-sm); background: rgba(255,255,255,0.6); border: 1px solid var(--color-border-glass); }
.item.unread { border-color: rgba(34,197,94,0.4); background: rgba(34,197,94,0.08); }
.icon { color: var(--color-text); flex-shrink: 0; }
.item-title { font-weight: 600; }
.item-body { font-size: 13px; color: var(--color-text-secondary); }

.empty-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .notifications { min-height: calc(100vh - var(--topbar-height) - 16px - 80px); }
}
</style>
