<template>
	<!--TODO: 默认图片在 cos 上添加 -->
	<movable-area v-if="conversation.conversationID" class="t-conversation-item-container">
		<movable-view class="t-conversation-item" direction="horizontal" @change="handleTouchMove" damping="100" :x="xScale">
			<view class="avatar-box">
				<image class="t-conversation-item-avatar" :src="setConversationAvatar" @error="handleImageError"></image>
				<view class="unread" v-if="conversation.unreadCount !== 0">
					<view class="read-text" v-if="conversation.unreadCount > 99">99+</view>
					<view class="read-text" v-else>{{ conversation.unreadCount }}</view>
				</view>
			</view>
			<view class="t-conversation-item-content">
				<label class="tui-conversation-item-name">{{ conversationName }}</label>
				<view class="tui-conversation-lastMessage">
					<text>{{ conversation.lastMessage.messageForShow }}</text>
				</view>
			</view>
			<view class="t-conversation-item-info">{{ timeago }}</view>
			<!--    <view class="t-conversation-delete" @tap.stop="deleteConversation">删除</view>-->
		</movable-view>
	</movable-area>
</template>

<script>
import { caculateTimeago } from '../../base/common';

export default {
	data() {
		return {
			xScale: 0,
			conversationName: '',
			conversationAvatar: '',
			setConversationAvatar: '',
			timeago: ''
		};
	},

	components: {},
	props: {
		conversation: {
			type: Object,
			default: () => {}
		}
	},
	watch: {
		conversation: {
			handler: function(conversation) {
				// 计算时间戳
				this.conversationName=this.getConversationName(conversation);
				this.setConversationAvatar=this.setConversationAvatarHandler(conversation);
				this.timeago=caculateTimeago(conversation.lastMessage.lastTime * 1000);
				// this.setData({
				// 	conversationName: this.getConversationName(conversation),
				// 	setConversationAvatar: this.setConversationAvatarHandler(conversation),
				// 	timeago: caculateTimeago(conversation.lastMessage.lastTime * 1000)
				// });
				this.$updateTimeago(conversation);
			},
			immediate: true,
			deep: true
		}
	},

	methods: {
		// 先查 remark；无 remark 查 (c2c)nick/(group)name；最后查 (c2c)userID/(group)groupID
		getConversationName(conversation) {
			if (conversation.type === '@TIM#SYSTEM') {
				return '系统通知';
			}

			if (conversation.type === 'C2C') {
				return conversation.remark || conversation.userProfile.nick || conversation.userProfile.userID;
			}

			if (conversation.type === 'GROUP') {
				return conversation.groupProfile.name || conversation.groupProfile.groupID;
			}
		},

		setConversationAvatarHandler(conversation) {
			if (conversation.type === '@TIM#SYSTEM') {
				return 'https://web.sdk.qcloud.com/component/TUIKit/assets/system.png';
			}

			if (conversation.type === 'C2C') {
				return conversation.userProfile.avatar || 'https://sdk-web-1252463788.cos.ap-hongkong.myqcloud.com/component/TUIKit/assets/avatar_21.png';
			}

			if (conversation.type === 'GROUP') {
				return conversation.groupProfile.avatar || '/static/static/assets/gruopavatar.svg';
			}
		},

		deleteConversation() {
			uni.showModal({
				content: '确认删除会话？',
				success: res => {
					if (res.confirm) {
						uni.$TUIKit.deleteConversation(this.conversation.conversationID);
						this.setData({
							conversation: {},
							xScale: 0
						});
					}
				}
			});
		},

		handleTouchMove(e) {
			if (!this.lock) {
				this.last = e.detail.x;
				this.lock = true;
			}

			if (this.lock && e.detail.x - this.last < -5) {
				this.setData({
					xScale: -75
				});
				setTimeout(() => {
					this.lock = false;
				}, 2000);
			} else if (this.lock && e.detail.x - this.last > 5) {
				this.setData({
					xScale: 0
				});
				setTimeout(() => {
					this.lock = false;
				}, 2000);
			}
		},

		$updateTimeago(conversation) {
			if (conversation.conversationID) {
				// conversation.lastMessage.timeago = caculateTimeago(conversation.lastMessage.lastTime * 1000);
				conversation.lastMessage.messageForShow = conversation.lastMessage.messageForShow.slice(0, 15);
			}
			this.setData({
				conversation
			});
		},

		handleImageError() {
			this.setData({
				setConversationAvatar: '/static/static/assets/gruopavatar.svg'
			});
		}
	}
};
</script>
<style>
@import './index.css';
</style>
