// RideWidget.ts
import { defineComponent, ref, computed, onMounted, watch } from 'vue';
import { useRouter } from 'vue-router';
import { Api } from '@api';
import type { Ride, ContribType } from '../../types/trasporti.types';

interface WidgetStats {
  offers: number;
  requests: number;
  matches: number;
}

interface WidgetData {
  stats: WidgetStats;
  recentRides: Ride[];
  myActiveRides: Ride[];
  pendingRequests: number;
  unreadMessages: number;
}

export default defineComponent({
  name: 'RideWidget',

  props: {
    // Se vuoi che il widget parta espanso
    defaultExpanded: {
      type: Boolean,
      default: false
    },
    // Numero massimo di ride da mostrare
    maxRides: {
      type: Number,
      default: 3
    },
    // Auto-refresh interval in ms (0 = disabled)
    refreshInterval: {
      type: Number,
      default: 60000 // 1 minuto
    }
  },

  emits: ['loaded', 'error'],

  setup(props, { emit }) {
    const router = useRouter();

    // State
    const isExpanded = ref(props.defaultExpanded);
    const loading = ref(false);
    const stats = ref<WidgetStats>({
      offers: 0,
      requests: 0,
      matches: 0
    });
    const recentRides = ref<Ride[]>([]);
    const myActiveRides = ref<Ride[]>([]);
    const pendingRequests = ref(0);
    const unreadMessages = ref(0);

    // Computed
    const totalCount = computed(() => stats.value.offers + stats.value.requests);

    // Methods
    const toggleExpand = () => {
      isExpanded.value = !isExpanded.value;
      if (isExpanded.value && recentRides.value.length === 0) {
        loadWidgetData();
      }
    };

    const loadWidgetData = async () => {
      loading.value = true;

      try {
        const response = await Api.SendReqWithData('/api/trasporti/widget/data', 'GET', {});

        if (response.success) {
          const data: WidgetData = response.data;

          stats.value = data.stats || { offers: 0, requests: 0, matches: 0 };
          recentRides.value = data.recentRides || [];
          myActiveRides.value = data.myActiveRides || [];
          pendingRequests.value = data.pendingRequests || 0;
          unreadMessages.value = data.unreadMessages || 0;

          emit('loaded', data);
        }
      } catch (error) {
        console.error('Errore caricamento widget trasporti:', error);
        emit('error', error);
      } finally {
        loading.value = false;
      }
    };

    const loadStats = async () => {
      try {
        const response = await Api.SendReqWithData('/api/trasporti/stats/summary', 'GET');

        if (response.success) {
          stats.value = response.data;
        }
      } catch (error) {
        console.error('Errore caricamento stats:', error);
      }
    };

    const formatDate = (date: string | Date): string => {
      const d = new Date(date);
      const now = new Date();
      const diff = d.getTime() - now.getTime();
      const days = Math.floor(diff / (1000 * 60 * 60 * 24));

      if (days === 0) {
        return `Oggi, ${d.toLocaleTimeString('it-IT', { hour: '2-digit', minute: '2-digit' })}`;
      } else if (days === 1) {
        return `Domani, ${d.toLocaleTimeString('it-IT', { hour: '2-digit', minute: '2-digit' })}`;
      } else if (days > 1 && days <= 6) {
        return d.toLocaleDateString('it-IT', {
          weekday: 'short',
          day: 'numeric',
          hour: '2-digit',
          minute: '2-digit'
        });
      } else {
        return d.toLocaleDateString('it-IT', {
          day: 'numeric',
          month: 'short',
          hour: '2-digit',
          minute: '2-digit'
        });
      }
    };

    const getContribIcon = (contribution: any): string => {
      if (!contribution?.types?.length) return '💶';

      const iconMap: Record<string, string> = {
        'Dono': '🎁',
        'Offerta Libera': '💸',
        'Baratto': '🤝',
        'Scambio Lavoro': '💪',
        'Monete Alternative': '🪙',
        'RIS': '🍚',
        'Euro': '💶',
        'Bitcoin': '₿',
        'Banca del Tempo': '⏳'
      };

      const firstType = contribution.types[0];
      return iconMap[firstType?.label] || '💶';
    };

    const getContribLabel = (contribution: any): string => {
      if (!contribution?.types?.length) return 'Gratuito';

      const labels = contribution.types.map((t: ContribType) => t.label);
      return labels.join(', ');
    };

    const getStatusColor = (status: string): string => {
      const colors: Record<string, string> = {
        'active': 'positive',
        'pending': 'warning',
        'completed': 'info',
        'cancelled': 'negative'
      };
      return colors[status] || 'grey';
    };

    const getStatusLabel = (status: string): string => {
      const labels: Record<string, string> = {
        'active': 'Attivo',
        'pending': 'In attesa',
        'completed': 'Completato',
        'cancelled': 'Annullato'
      };
      return labels[status] || status;
    };

    // Navigation
    const goToCreate = (type: 'offer' | 'request') => {
      router.push({
        path: '/trasporti/crea',
        query: { type }
      });
    };

    const goToList = () => {
      router.push('/trasporti');
    };

    const goToRide = (rideId: string) => {
      router.push(`/trasporti/ride/${rideId}`);
    };

    const goToMyRides = () => {
      router.push('/trasporti/rides/my');
    };

    const goToSearch = () => {
      router.push('/trasporti/cerca');
    };

    const goToMap = () => {
      router.push('/trasporti/mappa');
    };

    const goToHistory = () => {
      router.push('/trasporti/storico');
    };

    const goToChat = () => {
      router.push('/trasporti/chat');
    };

    // Auto-refresh
    let refreshTimer: ReturnType<typeof setInterval> | null = null;

    const startAutoRefresh = () => {
      if (props.refreshInterval > 0) {
        refreshTimer = setInterval(() => {
          if (isExpanded.value) {
            loadWidgetData();
          } else {
            loadStats();
          }
        }, props.refreshInterval);
      }
    };

    const stopAutoRefresh = () => {
      if (refreshTimer) {
        clearInterval(refreshTimer);
        refreshTimer = null;
      }
    };

    // Lifecycle
    onMounted(() => {
      loadStats();
      if (props.defaultExpanded) {
        loadWidgetData();
      }
      startAutoRefresh();
    });

    // Cleanup
    watch(() => props.refreshInterval, () => {
      stopAutoRefresh();
      startAutoRefresh();
    });

    return {
      // State
      isExpanded,
      loading,
      stats,
      recentRides,
      myActiveRides,
      pendingRequests,
      unreadMessages,

      // Computed
      totalCount,

      // Methods
      toggleExpand,
      formatDate,
      getContribIcon,
      getContribLabel,
      getStatusColor,
      getStatusLabel,

      // Navigation
      goToCreate,
      goToList,
      goToRide,
      goToMyRides,
      goToSearch,
      goToMap,
      goToHistory,
      goToChat
    };
  }
});