<template>
  <div class="space-y-6">
    <!-- Stats Cards -->
    <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
      <!-- Total Orders -->
      <div class="bg-card p-6 rounded-lg border shadow-sm">
        <div class="flex items-center justify-between">
          <div>
            <p class="text-sm font-medium text-muted-foreground">Total Orders</p>
            <p class="text-2xl font-bold text-foreground">{{ orderStats.total }}</p>
          </div>
          <div class="w-12 h-12 bg-primary/10 rounded-lg flex items-center justify-center">
            <Package class="w-6 h-6 text-primary" />
          </div>
        </div>
        <div class="mt-4">
          <div class="flex items-center text-sm text-muted-foreground">
            <span>{{ orderStats.pending }} pending</span>
            <span class="mx-2">•</span>
            <span>{{ orderStats.paid }} paid</span>
          </div>
        </div>
      </div>

      <!-- Pending Payments -->
      <div class="bg-card p-6 rounded-lg border shadow-sm">
        <div class="flex items-center justify-between">
          <div>
            <p class="text-sm font-medium text-muted-foreground">Pending Payments</p>
            <p class="text-2xl font-bold text-foreground">{{ orderStats.pendingPayments }}</p>
          </div>
          <div class="w-12 h-12 bg-yellow-500/10 rounded-lg flex items-center justify-center">
            <DollarSign class="w-6 h-6 text-yellow-500" />
          </div>
        </div>
        <div class="mt-4">
          <div class="flex items-center text-sm text-muted-foreground">
            <span>Total: {{ formatPrice(orderStats.pendingAmount, 'sat') }}</span>
          </div>
        </div>
      </div>

      <!-- Recent Sales (Merchant) -->
      <div class="bg-card p-6 rounded-lg border shadow-sm">
        <div class="flex items-center justify-between">
          <div>
            <p class="text-sm font-medium text-muted-foreground">Recent Sales</p>
            <p class="text-2xl font-bold text-foreground">{{ orderStats.recentSales }}</p>
          </div>
          <div class="w-12 h-12 bg-green-500/10 rounded-lg flex items-center justify-center">
            <Store class="w-6 h-6 text-green-500" />
          </div>
        </div>
        <div class="mt-4">
          <div class="flex items-center text-sm text-muted-foreground">
            <span>Last 7 days</span>
          </div>
        </div>
      </div>

      <!-- Market Activity -->
      <div class="bg-card p-6 rounded-lg border shadow-sm">
        <div class="flex items-center justify-between">
          <div>
            <p class="text-sm font-medium text-muted-foreground">Market Activity</p>
            <p class="text-2xl font-bold text-foreground">{{ orderStats.active }}</p>
          </div>
          <div class="w-12 h-12 bg-purple-500/10 rounded-lg flex items-center justify-center">
            <BarChart3 class="w-6 h-6 text-purple-500" />
          </div>
        </div>
        <div class="mt-4">
          <div class="flex items-center text-sm text-muted-foreground">
            <span>{{ orderStats.connected ? 'Connected' : 'Disconnected' }}</span>
          </div>
        </div>
      </div>
    </div>

    <!-- Quick Actions -->
    <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
      <!-- Customer Actions -->
      <div class="bg-card p-6 rounded-lg border shadow-sm">
        <h3 class="text-lg font-semibold text-foreground mb-4 flex items-center gap-2">
          <ShoppingCart class="w-5 h-5 text-primary" />
          Customer Actions
        </h3>
        <div class="space-y-3">
          <Button 
            @click="navigateToMarket" 
            variant="default" 
            class="w-full justify-start"
          >
            <Store class="w-4 h-4 mr-2" />
            Browse Market
          </Button>
          <Button 
            @click="navigateToOrders" 
            variant="outline" 
            class="w-full justify-start"
          >
            <Package class="w-4 h-4 mr-2" />
            View All Orders
          </Button>
          <Button 
            @click="navigateToCart" 
            variant="outline" 
            class="w-full justify-start"
          >
            <ShoppingCart class="w-4 h-4 mr-2" />
            Shopping Cart
          </Button>
        </div>
      </div>

      <!-- Merchant Actions -->
      <div class="bg-card p-6 rounded-lg border shadow-sm">
        <h3 class="text-lg font-semibold text-foreground mb-4 flex items-center gap-2">
          <Store class="w-5 h-5 text-green-500" />
          Merchant Actions
        </h3>
        <div class="space-y-3">
          <Button 
            @click="navigateToStore" 
            variant="default" 
            class="w-full justify-start"
          >
            <Store class="w-4 h-4 mr-2" />
            Manage Store
          </Button>
          <Button 
            @click="navigateToProducts" 
            variant="outline" 
            class="w-full justify-start"
          >
            <Package class="w-4 h-4 mr-2" />
            Manage Products
          </Button>
          <Button 
            @click="navigateToOrders" 
            variant="outline" 
            class="w-full justify-start"
          >
            <Package class="w-4 h-4 mr-2" />
            View Orders
          </Button>
        </div>
      </div>
    </div>

    <!-- Recent Activity -->
    <div class="bg-card p-6 rounded-lg border shadow-sm">
      <h3 class="text-lg font-semibold text-foreground mb-4">Recent Activity</h3>
      <div v-if="recentActivity.length > 0" class="space-y-3">
        <div 
          v-for="activity in recentActivity" 
          :key="activity.id"
          class="flex items-center justify-between p-3 bg-muted rounded-lg"
        >
          <div class="flex items-center gap-3">
            <div class="w-8 h-8 bg-primary/10 rounded-full flex items-center justify-center">
              <component :is="getActivityIcon(activity.type)" class="w-4 h-4 text-primary" />
            </div>
            <div>
              <p class="text-sm font-medium text-foreground">{{ activity.title }}</p>
              <p class="text-xs text-muted-foreground">{{ formatDate(activity.timestamp) }}</p>
            </div>
          </div>
          <Badge :variant="getActivityVariant(activity.type)">
            {{ activity.status }}
          </Badge>
        </div>
      </div>
      <div v-else class="text-center py-8 text-muted-foreground">
        <Package class="w-12 h-12 mx-auto mb-3 text-muted-foreground/50" />
        <p>No recent activity</p>
        <p class="text-sm">Start shopping or selling to see activity here</p>
      </div>
    </div>

    <!-- Market Status -->
    <div class="bg-card p-6 rounded-lg border shadow-sm">
      <h3 class="text-lg font-semibold text-foreground mb-4">Market Status</h3>
      <div class="grid grid-cols-1 md:grid-cols-3 gap-4">
        <div class="flex items-center gap-3">
          <div 
            class="w-3 h-3 rounded-full"
            :class="orderEvents.isSubscribed ? 'bg-green-500' : 'bg-yellow-500'"
          ></div>
          <span class="text-sm text-muted-foreground">
            Order Events: {{ orderEvents.isSubscribed ? 'Connected' : 'Connecting...' }}
          </span>
        </div>
        <div class="flex items-center gap-3">
          <div 
            class="w-3 h-3 rounded-full"
            :class="isConnected ? 'bg-green-500' : 'bg-red-500'"
          ></div>
          <span class="text-sm text-muted-foreground">
            Market: {{ isConnected ? 'Connected' : 'Disconnected' }}
          </span>
        </div>
        <div class="flex items-center gap-3">
          <div 
            class="w-3 h-3 rounded-full"
            :class="auth.isAuthenticated ? 'bg-green-500' : 'bg-red-500'"
          ></div>
          <span class="text-sm text-muted-foreground">
            Auth: {{ auth.isAuthenticated ? 'Authenticated' : 'Not Authenticated' }}
          </span>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { computed, ref } from 'vue'
import { useRouter } from 'vue-router'
import { useMarketStore } from '../stores/market'
import { useAuth } from '@/composables/useAuthService'
import { useMarket } from '../composables/useMarket'
// import { useOrderEvents } from '@/composables/useOrderEvents' // TODO: Move to market module
import { Button } from '@/components/ui/button'
import { Badge } from '@/components/ui/badge'
import { 
  Package, 
  Store, 
  ShoppingCart, 
  DollarSign, 
  BarChart3,
  Clock
} from 'lucide-vue-next'

const router = useRouter()
const marketStore = useMarketStore()
const auth = useAuth()
const { isConnected } = useMarket()
// const orderEvents = useOrderEvents() // TODO: Move to market module
const orderEvents = { isSubscribed: ref(false) } // Temporary mock

// Computed properties
const orderStats = computed(() => {
  const orders = Object.values(marketStore.orders)
  const now = Date.now() / 1000
  const sevenDaysAgo = now - (7 * 24 * 60 * 60)

  return {
    total: orders.length,
    pending: orders.filter(o => o.status === 'pending').length,
    paid: orders.filter(o => o.status === 'paid').length,
    pendingPayments: orders.filter(o => o.paymentStatus === 'pending').length,
    pendingAmount: orders
      .filter(o => o.paymentStatus === 'pending')
      .reduce((sum, o) => sum + o.total, 0),
    recentSales: orders.filter(o => 
      o.status === 'paid' && o.createdAt > sevenDaysAgo
    ).length,
    active: orders.filter(o => 
      ['pending', 'paid', 'processing'].includes(o.status)
    ).length,
    connected: false
  }
})

const recentActivity = computed(() => {
  const orders = Object.values(marketStore.orders)
  const now = Date.now() / 1000
  const recentOrders = orders
    .filter(o => o.updatedAt > now - (24 * 60 * 60)) // Last 24 hours
    .sort((a, b) => b.updatedAt - a.updatedAt)
    .slice(0, 5)

  return recentOrders.map(order => ({
    id: order.id,
    type: 'order',
    title: `Order ${order.id.slice(-8)} - ${order.status}`,
    status: order.status,
    timestamp: order.updatedAt
  }))
})

// Methods
const formatPrice = (price: number, currency: string) => {
  return `${price} ${currency}`
}

const formatDate = (timestamp: number) => {
  return new Date(timestamp * 1000).toLocaleString()
}

const getActivityIcon = (type: string) => {
  switch (type) {
    case 'order': return Package
    default: return Clock
  }
}

const getActivityVariant = (type: string) => {
  switch (type) {
    case 'order': return 'secondary'
    default: return 'outline'
  }
}

const navigateToMarket = () => router.push('/market')
const navigateToOrders = () => router.push('/market-dashboard?tab=orders')
const navigateToCart = () => router.push('/cart')
const navigateToStore = () => router.push('/market-dashboard?tab=store')
const navigateToProducts = () => router.push('/market-dashboard?tab=store')
</script>

