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<template>
	<view class="fui-toast__wrap" :class="{'fui-toast__show':visible}" v-if="visible || !isNvue" ref="fui_toast_ani">
		<view class="fui-toast__inner"
			:style="{paddingTop:padding[0] || 0,paddingRight:padding[1] || 0,paddingBottom:padding[2] || padding[0] || 0,paddingLeft:padding[3] || padding[1] || 0,background:background,zIndex:zIndex}">
			<slot></slot>
			<view class="fui-toast__icon-box" v-if="src" :style="{width:width+'rpx',height:width+'rpx'}">
				<image class="fui-toast__icon" :src="src" :style="{width:width+'rpx',height:width+'rpx'}">
				</image>
			</view>
			<text class="fui-toast__text" :style="{fontSize:size+'rpx',color:color}" v-if="text">{{text}}</text>
		</view>
	</view>
</template>

<script>
	// #ifdef APP-NVUE
	const animation = uni.requireNativePlugin('animation');
	// #endif
	export default {
		name: "fui-toast",
		props: {
			padding: {
				type: Array,
				default () {
					return ['32rpx', '32rpx']
				}
			},
			background: {
				type: String,
				default: 'rgba(0,0,0,.6)'
			},
			//图标宽度（高度与宽度一致）rpx
			width: {
				type: [Number, String],
				default: 64
			},
			size: {
				type: [Number, String],
				default: 30
			},
			color: {
				type: String,
				default: '#fff'
			},
			zIndex: {
				type: Number,
				default: 1001
			}
		},
		data() {
			let isNvue = false;
			// #ifdef APP-NVUE
			isNvue = true;
			// #endif
			return {
				timer: null,
				visible: false,
				src: '',
				text: '',
				isNvue: isNvue
			};
		},
		// #ifndef VUE3
		beforeDestroy() {
			clearTimeout(this.timer);
			this.timer = null;
		},
		// #endif
		// #ifdef VUE3
		beforeUnmount() {
			clearTimeout(this.timer);
			this.timer = null;
		},
		// #endif
		methods: {
			// #ifdef APP-NVUE
			_animation(type, duration = 2000) {
				if (!this.$refs['fui_toast_ani']) return;
				animation.transition(
					this.$refs['fui_toast_ani'].ref, {
						styles: {
							opacity: type ? 1 : 0
						},
						duration: 300, //ms
						timingFunction: 'ease-in-out',
						needLayout: false,
						delay: 0 //ms
					},
					() => {
						if (!type) {
							this.visible = false;
						} else {
							this.timer = setTimeout(() => {
								this._animation(false)
								clearTimeout(this.timer);
								this.timer = null;
							}, duration);
						}
					}
				);
			},
			// #endif
			show: function(options) {
				clearTimeout(this.timer);
				let {
					duration = 2000,
						src = '',
						text = ''
				} = options;
				this.text = text;
				this.src = src;
				// #ifdef APP-NVUE
				this.visible = true;
				// #endif
				this.$nextTick(() => {
					setTimeout(() => {
						// #ifdef APP-NVUE
						this._animation(true, duration)
						// #endif
						// #ifndef APP-NVUE
						this.visible = true;
						this.timer = setTimeout(() => {
							this.visible = false;
							clearTimeout(this.timer);
							this.timer = null;
						}, duration);
						// #endif
					}, 50);
				});
			}
		}
	}
</script>

<style scoped>
	.fui-toast__wrap {
		position: fixed;
		/* #ifdef APP-NVUE */
		left: 64rpx;
		right: 64rpx;
		top: 0;
		bottom: 0;
		/* #endif */
		/* #ifndef APP-NVUE */
		left: 15%;
		right: 15%;
		top: 50%;
		transform: translateY(-50%);
		/* #endif */
		background-color: rgba(0, 0, 0, 0);
		z-index: 1002;
		/* #ifndef APP-NVUE */
		display: flex;
		visibility: hidden;
		/* #endif */
		align-items: center;
		justify-content: center;
		/* #ifndef APP-NVUE */
		transition-property: opacity, visibility;
		transition-timing-function: ease-in-out;
		transition-duration: 0.3s;
		/* #endif */
		opacity: 0;
	}

	.fui-toast__inner {
		/* #ifndef APP-NVUE */
		display: flex;
		box-sizing: border-box;
		/* #endif */
		align-items: center;
		justify-content: center;
		flex-direction: column;
		border-radius: 16rpx;
	}

	/* #ifndef APP-NVUE */
	.fui-toast__show {
		visibility: visible;
		opacity: 1;
	}

	/* #endif */
	.fui-toast__icon-box {
		padding-bottom: 20rpx;
	}

	/* #ifndef APP-NVUE */
	.fui-toast__icon {
		display: block;
	}

	/* #endif */
	.fui-toast__text {
		font-weight: 400;
		text-align: center;
		/* #ifndef APP-NVUE */
		word-break: break-all;
		/* #endif */
	}
</style>