<template>
	<view class="min-page bg-f7 u-font-28 color-333" :style="pageHeight">
		<view class="top u-flex u-row-between">
			<view>
				<text style="max-width: 286rpx" class="u-line-1 u-font-32">
					{{ groupInfo.name }}
				</text>
				<text class="u-m-l-22">（{{ membersRes.user_list.length }}人）</text>
			</view>
			<view class="" @click="toMore()">
				<view class="u-flex u-row-center">
					<up-icon name="more-dot-fill" color="#333" size="14"></up-icon>
				</view>
				<view class="color-666">更多</view>
			</view>
		</view>
		<view class="box-1">
			<!-- @refresherrefresh="refresherrefresh" -->

			<scroll-view
				scroll-y
				refresher-background="transparent"
				style="height: 100%"
				@scrolltoupper="refresherrefresh"
				:refresher-enabled="false"
				:scroll-with-animation="false"
				:refresher-triggered="scrollView.refresherTriggered"
				:scroll-into-view="scrollView.intoView"
			>
				<view class="scroll-view-box">
					<view class="talk-list">
						<view :id="'msg-' + index" v-for="(item, index) in chatStore.chatList" :key="index">
							<!-- 发消息 -->
							<template v-if="item.operate_type == 'sendMsg' || item.is_user_send == 1 || item.from_id == shopInfo.id">
								<view class="shop u-flex u-row-right">
									<view class="u-p-r-18">
										<view class="u-flex u-row-right name-wrap">
											<view class="tag">商家</view>
											<view class="name">{{ shopInfo.shopName }}</view>
										</view>
										<view class="u-m-t-14 msg" :class="['type' + item.msg_type]">
											<chatItem :item="item"></chatItem>
										</view>
										<view class="text-center u-m-t-20" v-if="item.msg_type == 4 && item.hasGet">
											<text>{{ item.hasGet || 0 }}人已领取</text>
											<text class="color-main">优惠券</text>
										</view>
									</view>
									<up-avatar size="70rpx" shape="square" bg-color="#fff" :src="shopInfo.logo"></up-avatar>
								</view>
							</template>
							<!-- 收消息 -->
							<template v-else>
								<view class="user u-flex">
									<up-avatar size="70rpx" :src="item.avatar" shape="square" bg-color="#fff"></up-avatar>
									<view class="u-p-l-18">
										<view class="name u-line-1">{{ item.nick }}</view>
										<view class="u-m-t-14 msg u-p-l-30" :class="['type' + item.msg_type]">
											<chatItem :item="item"></chatItem>
										</view>
									</view>
								</view>
							</template>
						</view>
					</view>
					<up-loadmore v-if="isEnd" :status="isEnd ? 'nomore' : 'loading'"></up-loadmore>
				</view>
			</scroll-view>
		</view>

		<!-- <view :style="bottomSlotHeight"></view> -->

		<view class="bottom" :class="[showMoreBtn ? '' : 'safe-bottom']">
			<view class="u-flex" style="padding: 14rpx 28rpx">
				<!-- <input
          type="text"
          class="u-flex-1 u-m-r-52 iput"
          placeholder="请输入内容"
          v-model="msg"
        /> -->
				<view class="u-flex-1 u-m-r-52 iput">
					<up-input v-model="msg" border="none" placeholder="请输入内容"></up-input>
				</view>
				<button class="send-btn" v-if="msg.trim().length > 0" @click="sendText">发送</button>
				<up-icon name="plus-circle" color="#666" size="60rpx" @click="showMoreBtnToggle" v-else></up-icon>
			</view>
			<view class="more-btn" v-if="showMoreBtn">
				<view v-for="(item, index) in moreBtns" @click="moreBtnsClick(item, index)" class="u-flex-col u-row-center u-col-center">
					<view class="u-flex icon">
						<image :src="item.icon" class="img" mode="aspectFill"></image>
					</view>
					<view class="u-m-t-8">{{ item.title }}</view>
				</view>
			</view>
		</view>

		<!-- 发送优惠券 -->
		<Modal title="发送优惠券" v-model="modalData.show" confirmText="确认发送" @close="closeModal" @confirm="confirmCoupon">
			<view class="u-p-30">
				<view class="font-bold u-m-b-16">自定义文案</view>
				<up-input v-model="modalData.form.title" placeholder="请输入自定义文案" :placeholderStyle="placeholderStyle" maxlength="12"></up-input>
				<view class="font-bold u-m-b-16 u-m-t-32">发放数量(张)</view>

				<up-number-box v-model="modalData.form.giveNum" inputWidth="240rpx" @change="valChange"></up-number-box>

				<view class="font-bold u-m-b-16 u-m-t-32">每人限领量(张)</view>
				<up-number-box v-model="modalData.form.getLimit" :max="modalData.form.giveNum" inputWidth="240rpx" @change="valChange"></up-number-box>
				<view class="font-bold u-m-b-16 u-m-t-32">选择优惠券</view>
				<chooseCoupon v-model="modalData.form.couponId"></chooseCoupon>
			</view>
		</Modal>
	</view>
</template>
<script setup>
import { onReady, onReachBottom, onLoad, onShow, onPageScroll } from '@dcloudio/uni-app';
import { ref, inject, onMounted, onUnmounted, nextTick, reactive, watch, computed } from 'vue';
import { useChatStore } from '@/store/chat';
import * as chatApi from '@/http/php/chat';
import * as chatCouponApi from '@/http/api/market/chat';
import { uploadFile } from '@/http/api/index.js';
import go from '@/commons/utils/go.js';
import Modal from './components/modal.vue';
import chooseCoupon from './components/coupon.vue';
import chatItem from './components/chat-item.vue';
const placeholderStyle = {
	color: '#999',
	fontSize: '28rpx'
};

function refresherrefresh() {
	console.log('refresherrefresh');
	// 关键：同时判断「正在加载」和「无更多数据」，只要一个为真就关闭刷新
	if (isLoading.value || isEnd.value) {
		scrollView.refresherTriggered = false; // 立即关闭刷新状态
		if (isEnd.value) {
		}
		return; // 终止后续逻辑
	}

	query.page++;
	getMsgList();
}

const scrollView = reactive({
	refresherTriggered: false,
	intoView: '',
	safeAreaHeight: 0
});

const showMoreBtn = ref(false);
function showMoreBtnToggle() {
	showMoreBtn.value = !showMoreBtn.value;
	if (showMoreBtn.value) {
	}
}
const modalData = reactive({
	show: false,
	form: {
		title: '',
		getLimit: 1,
		giveNum: 1,
		couponId: ''
	}
});

const chatStore = useChatStore();

const handleReceiveMsg = (msg) => {
	nextTick(() => {
		scrollView.intoView = 'msg-0';
	});
};

// 注册消息回调
chatStore.registerReceiveMsgCallback(handleReceiveMsg);
const msg = ref('');

const shopInfo = uni.getStorageSync('shopInfo');

const moreBtns = ref([
	{
		icon: '/pageChat/static/pic.png',
		title: '发送照片',
		value: 'pic'
	},
	{
		icon: '/pageChat/static/video.png',
		title: '发送视频',
		value: 'video'
	},
	{
		icon: '/pageChat/static/coupon.png',
		title: '发送优惠券',
		value: 'coupon'
	}
]);

function moreBtnsClick(item, index) {
	if (item.value == 'coupon') {
		modalData.show = true;
		return;
	}
	if (item.value == 'pic') {
		sendImg();
	}
	if (item.value == 'video') {
		sendVideo();
	}
}
function videoErrorCallback(e) {
	console.error('视频播放失败', e);
}
async function sendImg() {
	try {
		// 1. 调用图片选择API，添加fail回调
		const res = await new Promise((resolve, reject) => {
			uni.chooseImage({
				count: 3,
				sizeType: ['original', 'compressed'],
				sourceType: ['album', 'camera'],
				success: resolve,
				fail: reject // 捕获选择失败（含权限拒绝）
			});
		});

		uni.showLoading({ title: '发送中' });
		console.log('选择图片成功', res);

		// 2. 批量上传图片（保持原有逻辑）
		for (let i = 0; i < res.tempFiles.length; i++) {
			const fileRes = await uploadFile(res.tempFiles[i]);
			if (fileRes) {
				sendMsg({
					image_url: fileRes,
					msg_type: 2
				});
			}
		}
	} catch (err) {
		console.error('图片选择/发送失败', err);
		// 3. 处理权限拒绝场景
		handlePermissionError(err, '图片');
	} finally {
		// 4. 确保加载弹窗关闭（无论成功/失败）
		uni.hideLoading();
	}
}

// 视频选择与发送优化
async function sendVideo() {
	try {
		// 1. 调用视频选择API，添加fail回调
		const res = await new Promise((resolve, reject) => {
			uni.chooseVideo({
				count: 1,
				sizeType: ['original', 'compressed'],
				sourceType: ['album', 'camera'],
				success: resolve,
				fail: reject // 捕获选择失败（含权限拒绝）
			});
		});

		uni.showLoading({ title: '发送中' });
		console.log('选择视频成功', res);

		// 2. 上传视频（保持原有逻辑）
		const fileRes = await uploadFile({ path: res.tempFilePath });
		if (fileRes) {
			sendMsg({
				image_url: fileRes,
				msg_type: 5
			});
		} else {
			uni.showToast({
				title: '视频发送失败',
				icon: 'none'
			});
		}
	} catch (err) {
		console.error('视频选择/发送失败', err);
		// 3. 处理权限拒绝场景
		handlePermissionError(err, '视频');
	} finally {
		// 4. 确保加载弹窗关闭（无论成功/失败）
		uni.hideLoading();
	}
}

// 通用权限错误处理函数
function handlePermissionError(err, mediaType) {
	const errMsg = err.errMsg || '';
	// 识别权限拒绝关键词（兼容不同平台）
	const isAuthDenied = ['auth deny', 'permission denied', 'auth denied', '用户拒绝'].some((keyword) => errMsg.includes(keyword));

	if (isAuthDenied) {
		// 弹窗提示用户，并引导至设置页
		uni.showModal({
			title: '权限提示',
			content: `需要${mediaType}权限才能使用该功能，请前往设置开启`,
			confirmText: '去设置',
			cancelText: '取消',
			success: (modalRes) => {
				if (modalRes.confirm) {
					// 跳转到小程序设置页
					uni.openSetting({
						success: (settingRes) => {
							console.log('设置页返回结果', settingRes);
							// 可根据需要添加权限开启后的回调逻辑
						}
					});
				}
			}
		});
	} else {
		// 其他错误（如取消选择），仅轻提示
		if (!errMsg.includes('cancel')) {
			uni.showToast({
				title: `${mediaType}选择失败`,
				icon: 'none'
			});
		}
	}
}

const groupInfo = ref({});
async function init() {
	const res = await chatApi.groupInfo({
		group_id: options.group_id
	});
	console.log(res);
	groupInfo.value = res || {};
	if (res) {
		chatStore.connectSocket();
		// 确保状态监听已初始化
		if (!chatStore._listenersInitialized) {
			chatStore.initStateListeners();
			chatStore._listenersInitialized = true;
		}
	}
	getMsgList();
}
const query = reactive({
	page: 1,
	size: 10
});
async function getMsgList() {
	// 提前拦截：已无更多数据，直接关闭状态
	if (isEnd.value) {
		scrollView.refresherTriggered = false;
		isLoading.value = false;
		uni.showToast({ title: '没有更多了', icon: 'none' });
		return;
	}

	isLoading.value = true;
	try {
		const msgRes = await chatApi.messageHistory({
			...query,
			chat_type: '2',
			session_id: options.session_id,
			to_id: options.group_id,
			shop_id: options.group_id,
			group_id: options.group_id
		});
		const data = msgRes.list || [];
		const selector = `msg-${query.page == 1 ? 0 : chatStore.chatList.length}`;

		if (query.page == 1) {
			chatStore.chatList = data;
		} else {
			chatStore.chatList.push(...data);
		}

		isEnd.value = chatStore.chatList.length >= msgRes.total;
		nextTick(() => {
			scrollView.intoView = selector;
			console.log(selector);
		});
	} catch (err) {
		console.error('加载历史消息异常', err);
		// 加载失败回退页码，避免页码错乱
		if (query.page > 1) query.page--;
	} finally {
		console.log('scrollView', scrollView);
		setTimeout(() => {
			scrollView.refresherTriggered = false;
			isLoading.value = false;
		}, 100);
	}
}

const options = reactive({});
const membersRes = reactive({
	user_list: []
});
onLoad((opt) => {
	Object.assign(options, opt);
	init();
	chatApi.messageMarkReadAll({
		session_ids: options.group_id
	});
	chatStore.group_id = options.group_id;
	chatApi.groupMembers({ group_id: options.group_id }).then((res) => {
		console.log(res);
		membersRes.user_list = res.user_list || [];
	});
	// #ifdef H5
	scrollView.safeAreaHeight = uni.getSystemInfoSync().safeArea.height;
	// #endif
});

onShow(() => {
	// 页面显示时，检查连接状态
	if (!chatStore.isConnect || !chatStore.socketTask) {
		console.log('聊天页显示，检查Socket连接');
		chatStore.forceReconnect();
	}
});

function toMore() {
	go.to('PAGES_CHAT_GROUP_INFO', {
		group_id: groupInfo.value.id,
		session_id: options.session_id
	});
}
function sendText() {
	if (!msg.value.trim().length) return;
	sendMsg({ content: msg.value, msg_type: 1 });
	msg.value = '';
}

function sendMsg(msg) {
	chatStore.sendMessage({
		to_id: groupInfo.value.id,
		to_user_type: groupInfo.value.id,
		chat_type: 2,
		content: msg.value,
		image_url: '',
		order_id: '',
		session_id: groupInfo.value.session_id || options.session_id,
		...msg
	});
}
function closeModal() {
	modalData.form = {
		title: '',
		getLimit: 1,
		giveNum: 1,
		couponId: ''
	};
}
function confirmCoupon() {
	console.log(modalData.form);
	// if (!modalData.form.title) {
	//   uni.showToast({
	//     title: "请输入自定义文案",
	//     icon: "none",
	//   });
	//   return;
	// }
	if (!modalData.form.couponId) {
		uni.showToast({
			title: '请选择优惠券',
			icon: 'none'
		});
		return;
	}
	if (!modalData.form.giveNum) {
		uni.showToast({
			title: '请输入发放数量',
			icon: 'none'
		});
		return;
	}
	if (!modalData.form.getLimit) {
		uni.showToast({
			title: '请输入每人限领量',
			icon: 'none'
		});
		return;
	}

	chatCouponApi.chatCouponCreate(modalData.form).then((res) => {
		if (res) {
			modalData.show = false;
			const couponJson = JSON.parse(res.couponJson);
			sendMsg({
				coupon: {
					...couponJson,
					title: modalData.form.title,
					activity_id: res.id
				},
				chat_coupon_id: res.id,
				msg_type: 4
			});
			closeModal();
		} else {
			uni.showToast({
				title: '发送失败',
				icon: 'none'
			});
		}
	});
}

function previewImage(url) {
	uni.previewImage({
		urls: [url]
	});
}

//是否到底了
const isBottom = ref(false);

const isLoading = ref(false);

//消息是否完了
const isEnd = ref(false);

watch(
	() => chatStore.chatList.length,
	(newVal, oldVal) => {}
);

const bottomSlotHeight = computed(() => {
	if (showMoreBtn.value) {
		return {
			height: '180px'
		};
	} else {
		return {
			height: '88px'
		};
	}
});
onReady(() => {});
const pageHeight = computed(() => {
	const safeAreaHeight = scrollView.safeAreaHeight;
	if (safeAreaHeight > 0) {
		return `height: calc(${safeAreaHeight}px - var(--window-top));`;
	}
	return '';
});

onUnmounted(() => {
	// 组件卸载时，移除消息回调
	chatStore.removeReceiveMsgCallback(handleReceiveMsg);
});
</script>
<style lang="scss" scoped>
$grayColor: #9e9e9e;
$grayBorderColor: #bebebe;
.top {
	background-color: #fff;
	padding: 40rpx 32rpx;
}
.min-page {
	height: calc(100vh - var(--window-top));
	display: flex;
	flex-direction: column;
	flex-wrap: nowrap;
	align-content: center;
	justify-content: space-between;
	align-items: stretch;
}
.talk-list {
	padding: 30rpx 28rpx 30rpx 26rpx;
	display: flex;
	flex-direction: column-reverse;
	flex-wrap: nowrap;
	align-content: flex-start;
	justify-content: flex-end;
	align-items: stretch;
	// 添加弹性容器，让内容自动在顶部
	&::before {
		content: '.';
		display: inline;
		visibility: hidden;
		line-height: 0;
		font-size: 0;
		flex: 1 0 auto;
		height: 1px;
	}
}
.box-1 {
	width: 100%;
	height: 0;
	flex: 1 0 auto;
	box-sizing: content-box;
}
.user {
	margin-bottom: 88rpx;
	align-items: flex-start;
	.name {
		margin-top: -4upx;
		color: $grayColor;
		font-size: 24upx;
	}
	.msg {
		padding: 16rpx 20rpx;
		background-color: #fff;
		border-radius: 20rpx;
	}
}
.shop {
	margin-bottom: 88rpx;
	align-items: flex-start;
	.tag {
		margin-right: 32rpx;
		padding: 4rpx 12rpx;
		border: 1px solid $grayBorderColor;
		border-radius: 8rpx;
		font-size: 20rpx;
		color: $grayColor;
	}
	.name-wrap {
		margin-top: -8upx;
	}
	.name {
		color: $grayColor;
		font-size: 24upx;
	}
	.msg {
		padding: 16rpx 20rpx;
		border-radius: 20rpx;
		&.type1 {
			background-color: #fff;
		}
		&.type4 {
			background-color: #fff;
		}
		.img {
			width: 50vw;
		}
	}
}
.bottom {
	height: auto;
	z-index: 2;
	border-top: #e5e5e5 solid 1px;
	box-sizing: content-box;
	background-color: #f3f3f3;

	/* 兼容iPhoneX */
	padding-bottom: 0;
	padding-bottom: constant(safe-area-inset-bottom);
	padding-bottom: env(safe-area-inset-bottom);
	&.safe-bottom {
		padding-bottom: calc(env(safe-area-inset-bottom) + 4rpx);
	}
	.iput {
		background-color: #f8f8f8;
		padding: 16rpx 20rpx;
	}
}
.send-btn {
	background-color: $my-main-color;
	color: #fff;
	line-height: 1;
	padding: 16rpx 20rpx;
	border-radius: 8rpx;
	font-size: 28rpx;
}
.more-btn {
	display: flex;
	justify-content: center;
	align-items: center;
	padding: 30rpx;
	background-color: #f0f0f0;
	gap: 74rpx;
	text-align: center;
	color: #666;
	padding-bottom: calc(env(safe-area-inset-bottom) + 4rpx);

	.icon {
		width: 100rpx;
		height: 100rpx;
		background-color: #fff;
		border-radius: 16rpx;
		display: flex;
		justify-content: center;
		align-items: center;
		.img {
			height: 70rpx;
			width: 70rpx;
		}
	}
}

.scroll-view-box {
	display: flex;
	flex-direction: column-reverse;
}
</style>
