<template>
  <v-app>
    <v-navigation-drawer v-model="drawer" app width="300">
      <!-- Logo Section -->
      <v-list-item class="pa-4 text-center">
        <v-img 
          src="/MONACOUSA-Flags_376x376.png" 
          width="80" 
          height="80"
          class="mx-auto mb-2" 
        />
        <div class="text-h6 font-weight-bold" style="color: #dc2626;">
          MonacoUSA Portal
        </div>
        <div class="text-caption text-error font-weight-bold">ADMINISTRATOR</div>
      </v-list-item>
      
      <v-divider />
      
      <!-- Navigation Menu -->
      <v-list nav density="comfortable">
        <!-- Admin Overview -->
        <v-list-item 
          to="/admin/dashboard" 
          prepend-icon="mdi-view-dashboard"
          title="Admin Dashboard"
          value="dashboard"
        />

        <!-- User Management -->
        <v-list-group value="users">
          <template v-slot:activator="{ props }">
            <v-list-item
              v-bind="props"
              prepend-icon="mdi-account-cog"
              title="User Management"
            />
          </template>
          
          <v-list-item 
            to="/admin/users" 
            title="All Users"
            value="users-list"
          />
          <v-list-item 
            to="/admin/users/roles" 
            title="Roles & Permissions"
            value="roles"
          />
          <v-list-item 
            @click="openKeycloak" 
            title="Keycloak Admin"
            value="keycloak"
          >
            <template v-slot:append>
              <v-icon size="small">mdi-open-in-new</v-icon>
            </template>
          </v-list-item>
        </v-list-group>

        <!-- Member Management -->
        <v-list-group value="members">
          <template v-slot:activator="{ props }">
            <v-list-item
              v-bind="props"
              prepend-icon="mdi-account-group"
              title="Member Management"
            />
          </template>
          
          <v-list-item 
            to="/admin/members" 
            title="All Members"
            value="members-list"
          />
          <v-list-item 
            to="/admin/members/import" 
            title="Import Members"
            value="import"
          />
          <v-list-item 
            to="/admin/members/export" 
            title="Export Data"
            value="export"
          />
        </v-list-group>

        <!-- Financial Management -->
        <v-list-group value="financial">
          <template v-slot:activator="{ props }">
            <v-list-item
              v-bind="props"
              prepend-icon="mdi-currency-usd"
              title="Financial"
            />
          </template>
          
          <v-list-item 
            to="/admin/payments" 
            title="Payment Management"
            value="payments"
          />
          <v-list-item 
            to="/admin/payments/stripe" 
            title="Stripe Dashboard"
            value="stripe"
          />
          <v-list-item 
            to="/admin/payments/reports" 
            title="Financial Reports"
            value="financial-reports"
          />
        </v-list-group>

        <!-- System Configuration -->
        <v-list-group value="system">
          <template v-slot:activator="{ props }">
            <v-list-item
              v-bind="props"
              prepend-icon="mdi-cog"
              title="System"
            />
          </template>
          
          <v-list-item 
            to="/admin/settings" 
            title="General Settings"
            value="settings"
          />
          <v-list-item 
            to="/admin/settings/email" 
            title="Email Configuration"
            value="email"
          />
          <v-list-item 
            to="/admin/settings/security" 
            title="Security Settings"
            value="security"
          />
          <v-list-item 
            to="/admin/logs" 
            title="System Logs"
            value="logs"
          />
          <v-list-item 
            to="/admin/backup" 
            title="Backup & Restore"
            value="backup"
          />
        </v-list-group>

        <!-- Events Management -->
        <v-list-item 
          to="/admin/events" 
          prepend-icon="mdi-calendar"
          title="Events Management"
          value="events"
        />

        <!-- Analytics -->
        <v-list-item 
          to="/admin/analytics" 
          prepend-icon="mdi-chart-line"
          title="Analytics & Insights"
          value="analytics"
        />

        <v-divider class="my-2" />
        
        <!-- Portal Access -->
        <v-list-subheader>Portal Access</v-list-subheader>
        <v-list-item 
          to="/board/dashboard" 
          prepend-icon="mdi-shield-account"
          title="Board Portal"
          value="board-view"
        />
        <v-list-item 
          to="/member/dashboard" 
          prepend-icon="mdi-account"
          title="Member Portal"
          value="member-view"
        />
      </v-list>
      
      <!-- Footer -->
      <template v-slot:append>
        <div class="pa-4">
          <v-card 
            color="error"
            variant="flat"
            class="text-center pa-3"
          >
            <v-icon size="small" class="mb-1" color="white">mdi-shield-crown</v-icon>
            <div class="text-caption font-weight-bold text-white">ADMINISTRATOR</div>
          </v-card>
        </div>
      </template>
    </v-navigation-drawer>
    
    <v-app-bar app elevation="0" flat>
      <!-- Admin header with special styling -->
      <template v-slot:extension>
        <div class="admin-header-gradient"></div>
      </template>
      
      <!-- Navigation Toggle -->
      <v-btn
        icon
        @click="drawer = !drawer"
        class="mr-2"
        color="white"
      >
        <v-icon>mdi-menu</v-icon>
      </v-btn>
      
      <v-toolbar-title class="text-white font-weight-bold d-flex align-center">
        Admin Portal
        <v-chip 
          size="x-small" 
          color="error" 
          variant="flat"
          class="ml-2"
        >
          FULL ACCESS
        </v-chip>
      </v-toolbar-title>
      
      <v-spacer />

      <!-- System Status Indicator -->
      <v-chip
        :color="systemStatus === 'healthy' ? 'success' : 'warning'"
        variant="flat"
        size="small"
        class="mr-2"
      >
        <v-icon start size="small">
          {{ systemStatus === 'healthy' ? 'mdi-check-circle' : 'mdi-alert' }}
        </v-icon>
        System {{ systemStatus }}
      </v-chip>

      <!-- Quick Actions -->
      <v-btn 
        icon 
        color="white"
        @click="toggleCommandPalette"
      >
        <v-icon>mdi-console</v-icon>
      </v-btn>

      <v-btn icon color="white">
        <v-badge 
          :content="alerts" 
          :value="alerts > 0"
          color="error"
        >
          <v-icon>mdi-bell-alert</v-icon>
        </v-badge>
      </v-btn>
      
      <!-- User Menu -->
      <v-menu offset-y>
        <template v-slot:activator="{ props }">
          <v-btn icon v-bind="props" color="white">
            <ProfileAvatar 
              :member-id="memberData?.member_id"
              :member-name="user?.name"
              :first-name="user?.firstName || memberData?.first_name"
              :last-name="user?.lastName || memberData?.last_name"
              size="small"
              :lazy="false"
              show-border
            />
          </v-btn>
        </template>
        
        <v-list min-width="250">
          <v-list-item>
            <v-list-item-title class="font-weight-bold">
              {{ user?.name || 'Administrator' }}
            </v-list-item-title>
            <v-list-item-subtitle>
              {{ user?.email }}
            </v-list-item-subtitle>
          </v-list-item>
          
          <v-list-item>
            <v-chip 
              color="error" 
              size="x-small" 
              variant="flat"
            >
              ADMINISTRATOR
            </v-chip>
          </v-list-item>
          
          <v-divider class="my-2" />
          
          <v-list-item to="/admin/profile">
            <template v-slot:prepend>
              <v-icon>mdi-account</v-icon>
            </template>
            <v-list-item-title>Admin Profile</v-list-item-title>
          </v-list-item>
          
          <v-list-item to="/board/dashboard">
            <template v-slot:prepend>
              <v-icon>mdi-shield-account</v-icon>
            </template>
            <v-list-item-title>Board Portal</v-list-item-title>
          </v-list-item>
          
          <v-list-item to="/member/dashboard">
            <template v-slot:prepend>
              <v-icon>mdi-account-switch</v-icon>
            </template>
            <v-list-item-title>Member Portal</v-list-item-title>
          </v-list-item>
          
          <v-list-item to="/admin/settings">
            <template v-slot:prepend>
              <v-icon>mdi-cog</v-icon>
            </template>
            <v-list-item-title>System Settings</v-list-item-title>
          </v-list-item>
          
          <v-divider class="my-2" />
          
          <v-list-item @click="handleLogout" class="text-error">
            <template v-slot:prepend>
              <v-icon color="error">mdi-logout</v-icon>
            </template>
            <v-list-item-title>Logout</v-list-item-title>
          </v-list-item>
        </v-list>
      </v-menu>
    </v-app-bar>

    <!-- Command Palette Dialog -->
    <v-dialog v-model="commandPaletteOpen" max-width="600">
      <v-card>
        <v-card-title class="d-flex align-center">
          <v-icon class="mr-2">mdi-console</v-icon>
          Admin Command Palette
          <v-spacer />
          <v-btn icon @click="commandPaletteOpen = false">
            <v-icon>mdi-close</v-icon>
          </v-btn>
        </v-card-title>
        <v-card-text>
          <v-text-field
            v-model="commandQuery"
            label="Type a command..."
            prepend-inner-icon="mdi-chevron-right"
            variant="outlined"
            autofocus
            @keyup.enter="executeCommand"
          />
          <div class="text-caption">
            Available commands: clear-cache, rebuild-index, sync-users, export-data
          </div>
        </v-card-text>
      </v-card>
    </v-dialog>
    
    <v-main>
      <v-container fluid class="pa-6">
        <!-- System Alerts Banner -->
        <v-alert
          v-if="systemAlerts.length > 0"
          type="warning"
          variant="tonal"
          closable
          class="mb-4"
        >
          <v-alert-title>System Alerts</v-alert-title>
          <ul class="mt-2">
            <li v-for="alert in systemAlerts" :key="alert.id">
              {{ alert.message }}
            </li>
          </ul>
        </v-alert>
        
        <slot />
      </v-container>
    </v-main>
  </v-app>
</template>

<script setup lang="ts">
import type { Member } from '~/utils/types';

const { user, logout } = useAuth();
const drawer = ref(true);
const alerts = ref(0);
const systemStatus = ref<'healthy' | 'warning' | 'error'>('healthy');
const systemAlerts = ref<Array<{ id: number; message: string }>>([]);
const commandPaletteOpen = ref(false);
const commandQuery = ref('');

// Fetch member data
const { data: sessionData } = await useFetch<{ success: boolean; member: Member | null }>('/api/auth/session', { 
  server: false
});

const memberData = computed<Member | null>(() => sessionData.value?.member || null);

// Load admin-specific data
onMounted(async () => {
  try {
    // Check system health
    const healthCheck = await $fetch('/api/admin/system/health');
    systemStatus.value = healthCheck?.data?.status || 'healthy';
    
    // Get critical alerts
    const alertsRes = await $fetch('/api/admin/alerts');
    alerts.value = alertsRes?.data?.count || 0;
    systemAlerts.value = alertsRes?.data?.alerts || [];
  } catch (error) {
    console.error('Error fetching admin data:', error);
    systemStatus.value = 'warning';
  }
});

const openKeycloak = () => {
  window.open('https://auth.monacousa.org/admin', '_blank');
};

const toggleCommandPalette = () => {
  commandPaletteOpen.value = true;
};

const executeCommand = async () => {
  if (commandQuery.value) {
    console.log('Executing command:', commandQuery.value);
    // Implement command execution logic
    commandPaletteOpen.value = false;
    commandQuery.value = '';
  }
};

const handleLogout = async () => {
  await logout();
};

// Responsive drawer behavior
const { width } = useDisplay();
watch(width, (newWidth) => {
  drawer.value = newWidth >= 1024;
}, { immediate: true });
</script>

<style scoped>
.admin-header-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #991b1b 0%, #450a0a 100%);
  z-index: -1;
}

.v-navigation-drawer {
  background: linear-gradient(180deg, #ffffff 0%, #fef2f2 100%);
  border-right: 2px solid rgba(153, 27, 27, 0.15);
}

.v-list-item {
  border-radius: 12px;
  margin: 4px 12px;
  transition: all 0.2s ease;
}

.v-list-item:hover {
  background-color: rgba(153, 27, 27, 0.05);
}

.v-list-item--active {
  background: linear-gradient(135deg, rgba(153, 27, 27, 0.2) 0%, rgba(153, 27, 27, 0.1) 100%) !important;
  color: #991b1b !important;
  border-left: 3px solid #991b1b;
}

.v-list-item--active .v-icon {
  color: #991b1b !important;
}

.v-list-group__items .v-list-item {
  padding-left: 52px !important;
}

.v-list-subheader {
  color: #991b1b !important;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.v-app-bar {
  background: transparent !important;
}

.v-main {
  background: linear-gradient(180deg, #fafafa 0%, #f5f5f5 100%);
  min-height: 100vh;
}
</style>