<template>
	<view class="mine-page">
		<view class="mine-header" @click="onHeaderClick">
			<view class="mine-header__row">
				<image class="mine-header__avatar" :src="avatarUrl" mode="aspectFill" />
				<view class="mine-header__info">
					<text class="mine-header__name">{{ headerTitle }}</text>
					<text v-if="loggedIn && mobileText" class="mine-header__sub">{{ mobileText }}</text>
					<text v-else-if="!loggedIn" class="mine-header__sub">登录后管理资料与地址</text>
				</view>
				<u-icon v-if="loggedIn" name="arrow-right" color="#fff" size="18" class="mine-header__arrow" />
			</view>
		</view>

		<scroll-view class="mine-scroll" scroll-y :style="{ height: scrollHeight }">
			<view class="mine-body">
			<view v-if="!loggedIn" class="mine-guest">
				<text class="mine-guest__title">登录后享受完整购物服务</text>
				<text class="mine-guest__tip">下单、加购需登录会员账号</text>
				<view class="mine-guest__btns">
					<button class="mine-btn-primary" @click="goLogin">登录</button>
					<button class="mine-btn-outline" @click="goRegister">注册会员</button>
				</view>
			</view>

			<template v-else>
				<view class="mine-order-card">
					<view class="mine-order-head" @click="goOrderListAll">
						<text class="mine-order-head__title">我的订单</text>
						<view class="mine-order-head__all">
							<text>全部</text>
							<u-icon name="arrow-right" color="#ccc" size="14" />
						</view>
					</view>
					<view class="mine-order-shortcuts">
						<view
							v-for="item in orderShortcuts"
							:key="item.key"
							class="mine-order-shortcut"
							@click="onOrderShortcut(item.key)"
						>
							<view class="mine-order-shortcut__icon-wrap">
								<u-icon :name="item.icon" color="#2e7d32" size="26" />
								<text
									v-if="getOrderBadge(item.key) > 0"
									class="mine-order-shortcut__badge"
								>{{ formatBadge(getOrderBadge(item.key)) }}</text>
							</view>
							<text class="mine-order-shortcut__label">{{ item.label }}</text>
						</view>
					</view>
				</view>

				<view v-for="section in menuSections" :key="section.title" class="mine-card">
					<text class="mine-card__title">{{ section.title }}</text>
					<view
						v-for="item in section.items"
						:key="item.path"
						class="mine-menu-item"
						@click="goPage(item.path)"
					>
						<u-icon :name="item.icon" color="#5c5652" size="22" />
						<text class="mine-menu-item__label">{{ item.label }}</text>
						<text
							v-if="item.showUnreadBadge && messageUnreadCount > 0"
							class="mine-menu-badge"
						>{{ formatMessageBadge(messageUnreadCount) }}</text>
						<u-icon name="arrow-right" color="#ccc" size="16" />
					</view>
				</view>

				<view class="mine-logout">
					<button class="mine-btn-outline" @click="handleLogout">退出登录</button>
				</view>
			</template>
			</view>
		</scroll-view>
	</view>
</template>

<script setup>
import { ref, computed, onMounted } from 'vue'
import { onShow } from '@dcloudio/uni-app'
import { getToken } from '@/utils/auth'
import { useUserStore } from '@/store/user'
import { navigateMinePage } from '@/utils/mineNav'
import { getOrderBadges } from '@/api/order'
import { getMessageUnreadCount } from '@/api/message'
import { formatMessageBadge } from '@/utils/messageDisplay'
import { ORDER_MINE_SHORTCUTS, ORDER_TAB } from '@/constants/order'
import { goOrderList, goAftersaleList } from '@/utils/orderNav'
import {
  PAGE_LOGIN,
  PAGE_REGISTER,
  PAGE_PROFILE,
  PAGE_PASSWORD,
  PAGE_ADDRESS_LIST,
  PAGE_ENTRY_APPLY,
  PAGE_ENTRY_LIST,
  PAGE_SHOP_FOLLOW_LIST,
  PAGE_MESSAGE_LIST,
  PAGE_MESSAGE_DETAIL,
  PAGE_ABOUT_MALL
} from '@/utils/pageRoute'

const loggedIn = ref(false)
const displayName = ref('点击登录')
const mobileText = ref('')
const avatarUrl = ref('/static/logo.png')

const userStore = useUserStore()
const orderShortcuts = ORDER_MINE_SHORTCUTS
const orderBadges = ref({
  pendingPayCount: 0,
  pendingShipCount: 0,
  pendingReceiveCount: 0,
  aftersaleInProgressCount: 0
})
const messageUnreadCount = ref(0)
const scrollHeight = ref('500px')

const headerTitle = computed(() => {
  if (!loggedIn.value) return '未登录'
  return displayName.value
})

/** 我的服务菜单（对齐功能需求 §3） */
const menuSections = [
  {
    title: '消息中心',
    items: [
      {
        label: '站内消息',
        path: PAGE_MESSAGE_LIST,
        icon: 'bell',
        showUnreadBadge: true
      }
    ]
  },
  {
    title: '账号管理',
    items: [
      { label: '编辑个人资料', path: PAGE_PROFILE, icon: 'account' },
      { label: '修改密码', path: PAGE_PASSWORD, icon: 'lock' }
    ]
  },
  {
    title: '收货地址',
    items: [{ label: '收货地址', path: PAGE_ADDRESS_LIST, icon: 'map' }]
  },
  {
    title: '店铺关注',
    items: [{ label: '我的店铺关注', path: PAGE_SHOP_FOLLOW_LIST, icon: 'heart' }]
  },
  {
    title: '商家入驻',
    items: [
      { label: '我要入驻', path: PAGE_ENTRY_APPLY, icon: 'home' },
      { label: '我的入驻申请', path: PAGE_ENTRY_LIST, icon: 'list' }
    ]
  },
  {
    title: '关于',
    items: [{ label: '关于商城', path: PAGE_ABOUT_MALL, icon: 'info-circle' }]
  }
]

function calcScrollHeight() {
  try {
    const sys = uni.getSystemInfoSync()
    const windowH = sys.windowHeight || 600
    const tabBarH = uni.upx2px(188)
    const headerH = uni.upx2px(232)
    const overlapH = uni.upx2px(40)
    scrollHeight.value = `${Math.max(windowH - tabBarH - headerH + overlapH, 200)}px`
  } catch (e) {
    scrollHeight.value = '400px'
  }
}

onMounted(() => {
  calcScrollHeight()
})

onShow(() => {
  calcScrollHeight()
  loggedIn.value = !!getToken()
  if (!loggedIn.value) {
    displayName.value = '点击登录'
    mobileText.value = ''
    avatarUrl.value = '/static/logo.png'
    return
  }
  refreshUser()
  loadOrderBadges()
  loadMessageUnread()
})

function loadMessageUnread() {
  getMessageUnreadCount()
    .then((res) => {
      messageUnreadCount.value = Number((res.data && res.data.unreadCount) || 0)
    })
    .catch(() => {
      messageUnreadCount.value = 0
    })
}

function loadOrderBadges() {
  getOrderBadges()
    .then((res) => {
      const data = res.data || {}
      orderBadges.value = {
        pendingPayCount: Number(data.pendingPayCount) || 0,
        pendingShipCount: Number(data.pendingShipCount) || 0,
        pendingReceiveCount: Number(data.pendingReceiveCount) || 0,
        aftersaleInProgressCount: Number(data.aftersaleInProgressCount) || 0
      }
    })
    .catch(() => {
      orderBadges.value = {
        pendingPayCount: 0,
        pendingShipCount: 0,
        pendingReceiveCount: 0,
        aftersaleInProgressCount: 0
      }
    })
}

function getOrderBadge(key) {
  const map = {
    [ORDER_TAB.PENDING_PAY]: orderBadges.value.pendingPayCount,
    [ORDER_TAB.PENDING_SHIP]: orderBadges.value.pendingShipCount,
    [ORDER_TAB.PENDING_RECEIVE]: orderBadges.value.pendingReceiveCount,
    AFTERSALE: orderBadges.value.aftersaleInProgressCount
  }
  return map[key] || 0
}

function formatBadge(n) {
  return n > 99 ? '99+' : String(n)
}

function goOrderListAll() {
  goOrderList(ORDER_TAB.ALL)
}

function onOrderShortcut(key) {
  if (key === 'AFTERSALE') {
    goAftersaleList('IN_PROGRESS')
    return
  }
  goOrderList(key)
}

function refreshUser() {
  displayName.value = userStore.displayName() || '会员'
  mobileText.value = userStore.state.mobile || ''
  avatarUrl.value = userStore.state.avatar || '/static/logo.png'
  if (!userStore.state.memberId) {
    userStore.fetchUserInfo().then(() => {
      displayName.value = userStore.displayName() || '会员'
      mobileText.value = userStore.state.mobile || ''
      avatarUrl.value = userStore.state.avatar || '/static/logo.png'
    })
  }
}

function onHeaderClick() {
  if (!loggedIn.value) {
    goLogin()
    return
  }
  navigateMinePage(PAGE_PROFILE)
}

function goPage(path) {
  navigateMinePage(path)
}

function goLogin() {
  uni.navigateTo({ url: PAGE_LOGIN })
}

function goRegister() {
  uni.navigateTo({ url: PAGE_REGISTER })
}

function handleLogout() {
  uni.showModal({
    title: '提示',
    content: '确定退出当前账号吗？',
    success: (res) => {
      if (res.confirm) {
        userStore.logOut().then(() => {
          loggedIn.value = false
          displayName.value = '点击登录'
          mobileText.value = ''
          uni.showToast({ title: '已退出', icon: 'none' })
        })
      }
    }
  })
}
</script>

<style lang="scss" scoped>
@import '@/styles/mine.scss';

.mine-menu-item u-icon:first-child {
  margin-right: 16rpx;
}
.mine-menu-item {
  gap: 16rpx;
}
</style>
