<template>
	<div class="chat-msg-item">
		<div class="chat-msg-tip" v-show="msgInfo.type == $enums.MESSAGE_TYPE.RECALL || msgInfo.type == $enums.MESSAGE_TYPE.TIP_TEXT">{{ msgInfo.content }}</div>
		<div class="chat-msg-tip" v-show="msgInfo.type == $enums.MESSAGE_TYPE.TIP_TIME">
			{{ $date.toTimeText(msgInfo.sendTime) }}
		</div>

		<div class="chat-msg-normal" v-show="msgInfo.type >= 0 && msgInfo.type < 10" :class="{ 'chat-msg-mine': mine }">
			<div class="head-image">
				<head-image :name="showName" :size="40" :url="headImage" :id="msgInfo.sendId"></head-image>
			</div>
			<div class="chat-msg-content">
				<div v-show="mode == 1 && msgInfo.groupId && !msgInfo.selfSend" class="chat-msg-top">
					<span>{{ showName }}</span>
				</div>
				<div v-show="mode == 2" class="chat-msg-top">
					<span>{{ showName }}</span>
					<span>{{ $date.toTimeText(msgInfo.sendTime) }}</span>
				</div>
				<div class="chat-msg-bottom" @contextmenu.prevent="showRightMenu($event)">
					<div ref="chatMsgBox">
						<span class="chat-msg-text" v-if="msgInfo.type == $enums.MESSAGE_TYPE.TEXT"
							v-html="$emo.transform(msgInfo.content)"></span>
						<div class="chat-msg-image" v-if="msgInfo.type == $enums.MESSAGE_TYPE.IMAGE">
							<div class="img-load-box" v-loading="loading" element-loading-text="上传中.."
								element-loading-background="rgba(0, 0, 0, 0.4)">
								<img class="send-image" :src="JSON.parse(msgInfo.content).thumbUrl"
									@click="showFullImageBox()" />
							</div>
							<span title="发送失败" v-show="loadFail" @click="onSendFail"
								class="send-fail el-icon-warning"></span>
						</div>
						<div class="chat-msg-file" v-if="msgInfo.type == $enums.MESSAGE_TYPE.FILE">
							<div class="chat-file-box" v-loading="loading">
								<div class="chat-file-info">
									<el-link class="chat-file-name" :underline="true" target="_blank" type="primary"
										:href="data.url">{{ data.name }}</el-link>
									<div class="chat-file-size">{{ fileSize }}</div>
								</div>
								<div class="chat-file-icon">
									<span type="primary" class="el-icon-document"></span>
								</div>
							</div>
							<span title="发送失败" v-show="loadFail" @click="onSendFail"
								class="send-fail el-icon-warning"></span>
						</div>
					</div>
					<div class="chat-msg-voice" v-if="msgInfo.type == $enums.MESSAGE_TYPE.AUDIO" @click="onPlayVoice()">
						<audio controls :src="JSON.parse(msgInfo.content).url"></audio>
					</div>
					<span class="chat-readed" v-show="msgInfo.selfSend && !msgInfo.groupId
						&& msgInfo.status == $enums.MESSAGE_STATUS.READED">已读</span>
					<span class="chat-unread" v-show="msgInfo.selfSend && !msgInfo.groupId
						&& msgInfo.status != $enums.MESSAGE_STATUS.READED">未读</span>
					<div class="chat-receipt" v-show="msgInfo.receipt" @click="onShowReadedBox">
						<span v-if="msgInfo.receiptOk" class="icon iconfont icon-ok" title="全体已读"></span>
						<span v-else>{{msgInfo.readedCount}}人已读</span>
						
					</div>
				</div>
			</div>

		</div>
		<right-menu v-show="menu && rightMenu.show" :pos="rightMenu.pos" :items="menuItems" @close="rightMenu.show = false"
			@select="onSelectMenu"></right-menu>
		<chat-group-readed ref="chatGroupReadedBox" :msgInfo="msgInfo" :groupMembers="groupMembers"></chat-group-readed>
	</div>
</template>

<script>
import HeadImage from "../common/HeadImage.vue";
import RightMenu from '../common/RightMenu.vue';
import ChatGroupReaded from './ChatGroupReaded.vue';
export default {
	name: "messageItem",
	components: {
		HeadImage,
		RightMenu,
		ChatGroupReaded
	},
	props: {
		mode: {
			type: Number,
			default: 1
		},
		mine: {
			type: Boolean,
			required: true
		},
		headImage: {
			type: String,
			required: true
		},
		showName: {
			type: String,
			required: true
		},
		msgInfo: {
			type: Object,
			required: true
		},
		groupMembers: {
			type: Array
		},
		menu: {
			type: Boolean,
			default: true
		}
	},
	data() {
		return {
			audioPlayState: 'STOP',
			rightMenu: {
				show: false,
				pos: {
					x: 0,
					y: 0
				}
			}
		}

	},
	methods: {
		onSendFail() {
			this.$message.error("该文件已发送失败，目前不支持自动重新发送，建议手动重新发送")
		},
		showFullImageBox() {
			let imageUrl = JSON.parse(this.msgInfo.content).originUrl;
			if (imageUrl) {
				this.$store.commit('showFullImageBox', imageUrl);
			}
		},
		onPlayVoice() {
			if (!this.audio) {
				this.audio = new Audio();
			}
			this.audio.src = JSON.parse(this.msgInfo.content).url;
			this.audio.play();
			this.onPlayVoice = 'RUNNING';
		},
		showRightMenu(e) {
			this.rightMenu.pos = {
				x: e.x,
				y: e.y
			};
			this.rightMenu.show = "true";
		},
		onSelectMenu(item) {
			this.$emit(item.key.toLowerCase(), this.msgInfo);
		},
		onShowReadedBox() {
			let rect = this.$refs.chatMsgBox.getBoundingClientRect();
			this.$refs.chatGroupReadedBox.open(rect);
		}
	},
	computed: {
		loading() {
			return this.msgInfo.loadStatus && this.msgInfo.loadStatus === "loading";
		},
		loadFail() {
			return this.msgInfo.loadStatus && this.msgInfo.loadStatus === "fail";
		},
		data() {
			return JSON.parse(this.msgInfo.content)
		},
		fileSize() {
			let size = this.data.size;
			if (size > 1024 * 1024) {
				return Math.round(size / 1024 / 1024) + "M";
			}
			if (size > 1024) {
				return Math.round(size / 1024) + "KB";
			}
			return size + "B";
		},
		menuItems() {
			let items = [];
			items.push({
				key: 'DELETE',
				name: '删除',
				icon: 'el-icon-delete'
			});
			if (this.msgInfo.selfSend && this.msgInfo.id > 0) {
				items.push({
					key: 'RECALL',
					name: '撤回',
					icon: 'el-icon-refresh-left'
				});
			}
			return items;
		}
	}
}
</script>

<style lang="scss">
.chat-msg-item {

	.chat-msg-tip {
		line-height: 50px;
		font-size: 14px;
	}

	.chat-msg-normal {
		position: relative;
		font-size: 0;
		padding-left: 60px;
		min-height: 50px;
		margin-top: 10px;

		.head-image {
			position: absolute;
			width: 40px;
			height: 40px;
			top: 0;
			left: 0;
		}

		.chat-msg-content {
			text-align: left;

			.send-fail {
				color: #e60c0c;
				font-size: 30px;
				cursor: pointer;
				margin: 0 20px;
			}

			.chat-msg-top {
				display: flex;
				flex-wrap: nowrap;
				color: #333;
				font-size: 14px;
				line-height: 20px;

				span {
					margin-right: 12px;
				}
			}

			.chat-msg-bottom {
				display: inline-block;
				padding-right: 300px;

				.chat-msg-text {
					display: block;
					position: relative;
					line-height: 30px;
					margin-top: 3px;
					padding: 7px;
					background-color: white;
					border-radius: 10px;
					color: black;
					display: block;
					font-size: 16px;
					text-align: left;
					white-space: pre-wrap;
					word-break: break-all;
					box-shadow: 1px 1px 1px #c0c0f0;

					&:after {
						content: "";
						position: absolute;
						left: -10px;
						top: 13px;
						width: 0;
						height: 0;
						border-style: solid dashed dashed;
						border-color: white transparent transparent;
						overflow: hidden;
						border-width: 10px;
					}
				}

				.chat-msg-image {
					display: flex;
					flex-wrap: nowrap;
					flex-direction: row;
					align-items: center;
				
					.send-image {
						min-width: 200px;
						min-height: 150px;
						max-width: 400px;
						max-height: 300px;
						border: #dddddd solid 1px;
						border: 5px solid #ccc;
						border-radius: 6px;
						cursor: pointer;
					}

				}

				.chat-msg-file {
					display: flex;
					flex-wrap: nowrap;
					flex-direction: row;
					align-items: center;
					cursor: pointer;
					padding-bottom: 5px;	
					.chat-file-box {
						display: flex;
						flex-wrap: nowrap;
						align-items: center;
						min-height: 80px;
						box-shadow: 5px 5px 2px #c0c0c0;
						border: #dddddd solid 1px;
						border-radius: 6px;
						background-color: #eeeeee;
						padding: 10px 15px;

						.chat-file-info {
							flex: 1;
							height: 100%;
							text-align: left;
							font-size: 14px;

							.chat-file-name {
								display: inline-block;
								min-width: 150px;
								max-width: 300px;
								font-size: 16px;
								font-weight: 600;
								margin-bottom: 15px;
								white-space: pre-wrap;
								word-break: break-all;
							}
						}

						.chat-file-icon {
							font-size: 50px;
							color: #d42e07;
						}
					}

					.send-fail {
						color: #e60c0c;
						font-size: 30px;
						cursor: pointer;
						margin: 0 20px;
					}

				}

				.chat-msg-voice {
					font-size: 14px;
					cursor: pointer;

					audio {
						height: 45px;
						padding: 5px 0;
					}
				}

				.chat-unread {
					font-size: 12px;
					color: #f23c0f;
					font-weight: 600;
				}

				.chat-readed {
					font-size: 12px;
					color: #888;
					font-weight: 600;
				}

				.chat-receipt{
					font-size: 13px;
					color: blue;
					cursor: pointer;
					
					.icon-ok {
						font-size: 20px;
						color: #329432;
					}
				}
			}
		}


		&.chat-msg-mine {
			text-align: right;
			padding-left: 0;
			padding-right: 60px;

			.head-image {
				left: auto;
				right: 0;
			}

			.chat-msg-content {
				text-align: right;

				.chat-msg-top {
					flex-direction: row-reverse;

					span {
						margin-left: 12px;
						margin-right: 0;
					}
				}

				.chat-msg-bottom {
					padding-left: 180px;
					padding-right: 0;

					.chat-msg-text {
						margin-left: 10px;
						background-color: rgb(88, 127, 240);
						color: #fff;
						vertical-align: top;
						box-shadow: 1px 1px 1px #ccc;

						&:after {
							left: auto;
							right: -10px;
							border-top-color: rgb(88, 127, 240);
						}
					}

					.chat-msg-image {
						flex-direction: row-reverse;
					}

					.chat-msg-file {
						flex-direction: row-reverse;
					}
				}
			}
		}

	}
}
</style>