<template>
  <div class="min-h-screen bg-gray-50">
    <!-- Sidebar -->
    <aside
      class="fixed inset-y-0 left-0 bg-white border-r border-gray-200 transition-all duration-300 z-20"
      :class="sidebarCollapsed ? 'w-16' : 'w-64'"
    >
      <div class="flex flex-col h-full">
        <!-- Logo / Toggle Button -->
        <div class="flex items-center h-16 px-4 border-b border-gray-200" :class="sidebarCollapsed ? 'justify-center' : 'justify-between'">
          <div v-if="!sidebarCollapsed" class="flex items-center space-x-2">
            <div class="w-8 h-8 bg-gradient-to-br from-primary-500 to-primary-700 rounded-lg flex items-center justify-center">
              <svg class="w-5 h-5 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6v6m0 0v6m0-6h6m-6 0H6" />
              </svg>
            </div>
            <span class="text-xl font-bold text-gray-900">{{ settings.siteName }}</span>
          </div>
          <button
            @click="toggleSidebar"
            class="p-2 rounded-lg text-gray-500 hover:bg-gray-100 transition-colors"
            :class="sidebarCollapsed ? 'mx-auto' : ''"
          >
            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              <path v-if="!sidebarCollapsed" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 19l-7-7 7-7m8 14l-7-7 7-7" />
              <path v-else stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 5l7 7-7 7M5 5l7 7-7 7" />
            </svg>
          </button>
        </div>

        <!-- Navigation -->
        <nav class="flex-1 px-2 py-6 space-y-1 overflow-y-auto">
          <router-link
            to="/dashboard"
            class="flex items-center rounded-lg hover:bg-gray-100 transition-colors group"
            :class="[
              route.path === '/dashboard' ? 'bg-primary-50 text-primary-700' : 'text-gray-700',
              sidebarCollapsed ? 'justify-center p-2' : 'px-4 py-3 space-x-3'
            ]"
            :title="sidebarCollapsed ? t('app.dashboard') : ''"
          >
            <svg class="w-5 h-5 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6" />
            </svg>
            <span v-if="!sidebarCollapsed" class="truncate">{{ t('app.dashboard') }}</span>
          </router-link>

          <router-link
            v-if="userStore.role === 'admin'"
            to="/users"
            class="flex items-center rounded-lg hover:bg-gray-100 transition-colors group"
            :class="[
              route.path === '/users' ? 'bg-primary-50 text-primary-700' : 'text-gray-700',
              sidebarCollapsed ? 'justify-center p-2' : 'px-4 py-3 space-x-3'
            ]"
            :title="sidebarCollapsed ? t('app.users') : ''"
          >
            <svg class="w-5 h-5 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4.354a4 4 0 110 5.292M15 21H3v-1a6 6 0 0112 0v1zm0 0h6v-1a6 6 0 00-9-5.197M13 7a4 4 0 11-8 0 4 4 0 018 0z" />
            </svg>
            <span v-if="!sidebarCollapsed" class="truncate">{{ t('app.users') }}</span>
          </router-link>

          <router-link
            to="/restaurants"
            class="flex items-center rounded-lg hover:bg-gray-100 transition-colors group"
            :class="[
              route.path === '/restaurants' ? 'bg-primary-50 text-primary-700' : 'text-gray-700',
              sidebarCollapsed ? 'justify-center p-2' : 'px-4 py-3 space-x-3'
            ]"
            :title="sidebarCollapsed ? t('app.restaurants') : ''"
          >
            <svg class="w-5 h-5 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6" />
            </svg>
            <span v-if="!sidebarCollapsed" class="truncate">{{ t('app.restaurants') }}</span>
          </router-link>

          <router-link
            v-if="userStore.role === 'admin'"
            to="/olap-columns"
            class="flex items-center rounded-lg hover:bg-gray-100 transition-colors group"
            :class="[
              route.path === '/olap-columns' ? 'bg-primary-50 text-primary-700' : 'text-gray-700',
              sidebarCollapsed ? 'justify-center p-2' : 'px-4 py-3 space-x-3'
            ]"
            :title="sidebarCollapsed ? t('app.olapColumns') : ''"
          >
            <svg class="w-5 h-5 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 6h16a2 2 0 012 2v8a2 2 0 01-2 2H4a2 2 0 01-2-2V8a2 2 0 012-2z" />
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 6v12M16 6v12" />
            </svg>
            <span v-if="!sidebarCollapsed" class="truncate">{{ t('app.olapColumns') }}</span>
          </router-link>

          <router-link
            v-if="userStore.role === 'admin'"
            to="/database-connections"
            class="flex items-center rounded-lg hover:bg-gray-100 transition-colors group"
            :class="[
              route.path === '/database-connections' ? 'bg-primary-50 text-primary-700' : 'text-gray-700',
              sidebarCollapsed ? 'justify-center p-2' : 'px-4 py-3 space-x-3'
            ]"
            :title="sidebarCollapsed ? t('dbConnections.pageName') : ''"
          >
            <svg class="w-5 h-5 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 7v10c0 2.21 3.582 4 8 4s8-1.79 8-4V7M4 7c0 2.21 3.582 4 8 4s8-1.79 8-4M4 7c0-2.21 3.582-4 8-4s8 1.79 8 4m0 5c0 2.21-3.582 4-8 4s-8-1.79-8-4" />
            </svg>
            <span v-if="!sidebarCollapsed" class="truncate">{{ t('dbConnections.pageName') }}</span>
          </router-link>

          <router-link
            v-if="userStore.role === 'admin'"
            to="/settings"
            class="flex items-center rounded-lg hover:bg-gray-100 transition-colors group"
            :class="[
              route.path === '/settings' ? 'bg-primary-50 text-primary-700' : 'text-gray-700',
              sidebarCollapsed ? 'justify-center p-2' : 'px-4 py-3 space-x-3'
            ]"
            :title="sidebarCollapsed ? t('app.settings') : ''"
          >
            <svg class="w-5 h-5 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
            </svg>
            <span v-if="!sidebarCollapsed" class="truncate">{{ t('app.settings') }}</span>
          </router-link>
        </nav>

        <!-- User Info (collapsed aware) -->
        <div v-if="!sidebarCollapsed" class="p-4 border-t border-gray-200">
          <div class="flex items-center space-x-3">
            <div class="w-10 h-10 bg-gradient-to-br from-primary-500 to-primary-700 rounded-full flex items-center justify-center text-white font-semibold">
              {{ userInitials }}
            </div>
            <div class="flex-1 min-w-0">
              <p class="text-sm font-medium text-gray-900 truncate">{{ userName }}</p>
              <p class="text-xs text-gray-500 truncate">{{ userStore.role === 'admin' ? t('app.administrator') : t('app.user') }}</p>
            </div>
          </div>
        </div>
        <div v-else class="p-2 border-t border-gray-200 flex justify-center">
          <div class="w-8 h-8 bg-gradient-to-br from-primary-500 to-primary-700 rounded-full flex items-center justify-center text-white font-semibold text-sm">
            {{ userInitials }}
          </div>
        </div>
      </div>
    </aside>

    <!-- Main Content -->
    <main class="transition-all duration-300" :class="sidebarCollapsed ? 'ml-16' : 'ml-64'">
      <!-- Header (без заголовка) -->
      <header class="bg-white border-b border-gray-200 sticky top-0 z-10">
        <div class="flex items-center justify-end h-16 px-8">
          <div class="flex items-center space-x-4">
            <!-- Search -->
            <div class="relative">
              <input
                type="text"
                :placeholder="t('app.search')"
                class="w-64 px-4 py-2 pl-10 text-sm border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500"
              />
              <svg class="absolute left-3 top-2.5 w-4 h-4 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
              </svg>
            </div>

            <!-- Notifications -->
            <button class="relative p-2 text-gray-400 hover:text-gray-600 rounded-lg hover:bg-gray-100 transition-colors" :title="t('app.notifications')">
              <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 17h5l-1.405-1.405A2.032 2.032 0 0118 14.158V11a6.002 6.002 0 00-4-5.659V5a2 2 0 10-4 0v.341C7.67 6.165 6 8.388 6 11v3.159c0 .538-.214 1.055-.595 1.436L4 17h5m6 0v1a3 3 0 11-6 0v-1m6 0H9" />
              </svg>
              <span class="absolute top-1 right-1 w-2 h-2 bg-red-500 rounded-full"></span>
            </button>

            <!-- User actions -->
            <div class="flex items-center space-x-1 border-l pl-4 ml-2">
              <button @click="toggleLanguage" class="p-2 text-gray-400 hover:text-gray-600 rounded-lg hover:bg-gray-100 transition-colors" :title="t('app.language')">
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 5h12M9 3v2m1.048 9.5A18.022 18.022 0 016.412 9m6.088 9h7M11 21l5-10 5 10M12.751 5C11.783 10.77 8.07 15.61 3 18.129" />
                </svg>
              </button>
              <router-link to="/profile" class="p-2 text-gray-400 hover:text-gray-600 rounded-lg hover:bg-gray-100 transition-colors" :title="t('app.profile')">
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z" />
                </svg>
              </router-link>
              <a
                href="/phpmyadmin"
                v-if="userStore.role === 'admin'"
                target="_self"
                class="p-2 text-gray-400 hover:text-gray-600 rounded-lg hover:bg-gray-100 transition-colors"
                :title="t('app.database')"
              >
                <svg class="w-5 h-5 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 7v10c0 2.21 3.582 4 8 4s8-1.79 8-4V7M4 7c0 2.21 3.582 4 8 4s8-1.79 8-4M4 7c0-2.21 3.582-4 8-4s8 1.79 8 4m0 5c0 2.21-3.582 4-8 4s-8-1.79-8-4" />
                </svg>
              </a>
              <button @click="logout" class="p-2 text-gray-400 hover:text-gray-600 rounded-lg hover:bg-gray-100 transition-colors" :title="t('app.logout')">
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1" />
                </svg>
              </button>
            </div>
          </div>
        </div>
      </header>

      <!-- Page Content -->
      <div class="p-8">
        <slot />
      </div>
    </main>
    <!-- Notification Toast -->
    <Transition name="slide">
      <div v-if="notification.show" class="fixed bottom-4 right-4 z-50 flex items-center space-x-2 px-4 py-3 rounded-lg shadow-lg" :class="notification.type === 'success' ? 'bg-green-50 text-green-800 border border-green-200' : 'bg-red-50 text-red-800 border border-red-200'">
        <svg v-if="notification.type === 'success'" class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" />
        </svg>
        <svg v-else class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4m0 4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
        </svg>
        <span>{{ notification.message }}</span>
      </div>
    </Transition>
  </div>
</template>

<script setup lang="ts">
import { computed, ref, onMounted } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import { useSettingsStore } from '@/stores/settings'
import { useUserStore } from '@/stores/user'
import { useI18n } from 'vue-i18n'
import { useNotification } from '@/composables/useNotification'

const { notification, showNotification } = useNotification()
const settings = useSettingsStore()
const userStore = useUserStore()
const route = useRoute()
const router = useRouter()
const { t, locale } = useI18n()

const userName = computed(() => userStore.login || 'User')
const userInitials = computed(() => (userName.value[0] || 'U').toUpperCase())

const SIDEBAR_STORAGE_KEY = 'admin_sidebar_collapsed'
const sidebarCollapsed = ref(false)

onMounted(() => {
  const saved = localStorage.getItem(SIDEBAR_STORAGE_KEY)
  if (saved !== null) sidebarCollapsed.value = saved === 'true'
})

function toggleSidebar() {
  sidebarCollapsed.value = !sidebarCollapsed.value
  localStorage.setItem(SIDEBAR_STORAGE_KEY, String(sidebarCollapsed.value))
}

async function logout() {
  await fetch('/api/logout', { method: 'POST' })
  userStore.clear()
  router.push('/login')
}

async function toggleLanguage() {
  const newLang = locale.value === 'en' ? 'ru' : 'en'
  if (userStore.id) {
    const ok = await userStore.updateProfile({ language: newLang })
    if (ok) {
      locale.value = newLang
      localStorage.setItem('locale', newLang)
    } else {
      showNotification('profile.updateError', 'error');
      // В случае ошибки всё равно меняем локаль, но не сохраняем в БД
      locale.value = newLang
      localStorage.setItem('locale', newLang)
    }
  } else {
    // Для неавторизованных просто сохраняем в localStorage
    locale.value = newLang
    localStorage.setItem('locale', newLang)
  }
}
</script>

<style scoped>
.slide-enter-active,
.slide-leave-active {
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.slide-enter-from,
.slide-leave-to {
  transform: translateX(100%);
  opacity: 0;
}
</style>
