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<template>
	<view class="fui-modal__wrap" :style="{background:maskBackground,zIndex:zIndex}"
		:class="{'fui-modal__fadein':isShow}" @tap="closeModal" @touchmove.stop.prevent="stop" v-if="isShow || !isNvue"
		ref="fui_modal_ani">
		<view class="fui-modal__inner"
			:style="{width:width+'rpx',background:background,borderRadius:boxRadius+'rpx',paddingTop:padding+'rpx',paddingBottom:padding+'rpx'}"
			@tap.stop="stop">
			<text class="fui-modal__title" :style="{fontSize:size+'rpx',color:color}"
				v-if="title && title!==true">{{title}}</text>
			<text class="fui-modal__descr" :style="{fontSize:descrSize+'rpx',color:descrColor}"
				:class="{'fui-modal__descr-pt':!title}" v-if="descr && descr!==true">{{descr}}</text>
			<slot></slot>
			<view class="fui-modal__btn-wrap" :style="getWidth" :class="{'fui-modal__btn-row':direction==='row'}"
				v-if="vals.length>0">
				<view class="fui-modal__button"
					:class="{'fui-model__button-full':direction==='row','fui-modal__button-col':direction==='column' && index!==vals.length-1,'fui-modal__button-bg':!entity.plain && !entity.background,'fui-modal__button-border':entity.plain,'fui-modal__button-bc':entity.plain && !entity.background}"
					:style="{borderRadius:radius+'rpx',background:entity.plain?'transparent':(entity.background || primaryColor),borderColor:entity.plain?(entity.background || primaryColor):'transparent'}"
					v-for="(entity,index) in vals" :key="index">
					<text class="fui-modal__button-inner"
						:class="{'fui-modal__button-color': !entity.color && entity.plain}"
						:style="{color:entity.color || (entity.plain?primaryColor:'#fff'),borderRadius:radius+'rpx'}"
						@tap.stop="handleClick($event,index)">{{entity.text}}</text>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	// #ifdef APP-NVUE
	const animation = uni.requireNativePlugin('animation');
	// #endif

	export default {
		name: 'fui-modal',
		emits: ['click', 'cancel'],
		props: {
			//是否显示
			show: {
				type: Boolean,
				default: false
			},
			title: {
				type: String,
				default: ''
			},
			size: {
				type: [Number, String],
				default: 34
			},
			color: {
				type: String,
				default: '#333'
			},
			descr: {
				type: String,
				default: ''
			},
			descrSize: {
				type: [Number, String],
				default: 28
			},
			descrColor: {
				type: String,
				default: '#7F7F7F'
			},
			buttons: {
				type: Array,
				default () {
					return [{
						text: '取消',
						plain: true
					}, {
						text: '确定'
					}]
				}
			},
			//row、column
			direction: {
				type: String,
				default: 'row'
			},
			radius: {
				type: [Number, String],
				default: 16
			},
			width: {
				type: [Number, String],
				default: 640
			},
			background: {
				type: String,
				default: '#FFFFFF'
			},
			boxRadius: {
				type: [Number, String],
				default: 16
			},
			//外层上下padding值【1.8.0+】
			padding: {
				type: [Number, String],
				default: 32
			},
			maskBackground: {
				type: String,
				default: 'rgba(0,0,0,.6)'
			},
			maskClosable: {
				type: Boolean,
				default: false
			},
			zIndex: {
				type: Number,
				default: 996
			}
		},
		data() {
			let isNvue = false;
			// #ifdef APP-NVUE
			isNvue = true;
			// #endif
			return {
				isShow: false,
				isNvue: isNvue,
				vals: []
			};
		},
		computed: {
			getWidth() {
				return "width:" + (Number(this.width) - 60) + 'rpx'
			},
			primaryColor() {
				const app = uni && uni.$fui && uni.$fui.color;
				return (app && app.primary) || '#465CFF';
			}
		},
		watch: {
			show: {
				handler(newVal) {
					if (newVal) {
						this.open();
					} else {
						this.close();
					}
				},
				immediate: true
			},
			buttons(newVal) {
				this.initData(newVal)
			}
		},
		created() {
			this.initData(this.buttons)
		},
		methods: {
			initData(vals) {
				if (vals && vals.length > 0) {
					if (typeof vals[0] !== 'object') {
						vals = vals.map(item => {
							return {
								text: item
							}
						})
					}
					this.vals = vals;
				}
			},
			stop() {},
			closeModal() {
				if (!this.maskClosable) return;
				this.$emit('cancel', {});
			},
			handleClick(e, index) {
				// #ifdef APP-NVUE
				e.stopPropagation();
				// #endif
				if (!this.isShow) return;
				this.$emit('click', {
					index: Number(index),
					...this.vals[index]
				});
			},
			open() {
				this.isShow = true;
				// #ifdef APP-NVUE
				this.$nextTick(() => {
					setTimeout(() => {
						this._animation(true);
					}, 50);
				});
				// #endif
			},
			close(type) {
				// #ifndef APP-NVUE
				this.isShow = false;
				// #endif
				// #ifdef APP-NVUE
				this._animation(false);
				// #endif
			},
			// #ifdef APP-NVUE
			_animation(type) {
				let styles = {
					transform: `scale(${type ? 1 : 1.2}) `,
					opacity: type ? 1 : 0
				};

				if (!this.$refs['fui_modal_ani']) return;
				animation.transition(
					this.$refs['fui_modal_ani'].ref, {
						styles,
						duration: 300, //ms
						timingFunction: 'ease',
						needLayout: false,
						delay: 0 //ms
					},
					() => {
						if (!type) {
							this.isShow = false;
						}
					}
				);
			}
			// #endif
		}
	};
</script>

<style scoped>
	.fui-modal__wrap {
		position: fixed;
		top: 0;
		bottom: 0;
		left: 0;
		right: 0;
		/* #ifndef APP-NVUE */
		display: flex;
		/* #endif */
		justify-content: center;
		align-items: center;
		transition-timing-function: ease;
		transition-duration: 0.3s;
		/* #ifdef APP-NVUE */
		transition-property: transform, opacity;
		transform: scale(1.2);
		/* #endif */
		opacity: 0;
		/* #ifndef APP-NVUE */
		transform: scale3d(1.2, 1.2, 1);
		transition-property: all;
		visibility: hidden;
		/* #endif */
	}

	/* #ifndef APP-NVUE */
	.fui-modal__fadein {
		opacity: 1;
		transform: scale3d(1, 1, 1);
		visibility: visible;
	}

	/* #endif */

	.fui-modal__inner {
		/* #ifndef APP-NVUE */
		display: flex;
		box-sizing: border-box;
		/* #endif */
		flex-direction: column;
		justify-content: center;
		align-items: center;
		position: relative;
	}

	.fui-modal__title {
		text-align: center;
		font-size: 34rpx;
		color: #333;
		font-weight: 600;
		padding-top: 12rpx;
		padding-bottom: 24rpx;
		/* #ifndef APP-NVUE */
		word-break: break-all;
		/* #endif */
	}

	.fui-modal__descr {
		text-align: center;
		color: #999;
		font-size: 28rpx;
		padding-bottom: 24rpx;
		font-weight: normal;
		/* #ifndef APP-NVUE */
		word-break: break-all;
		/* #endif */
	}

	.fui-modal__descr-pt {
		padding-top: 36rpx;
	}

	.fui-modal__btn-wrap {
		/* #ifndef APP-NVUE */
		width: 100%;
		box-sizing: border-box;
		/* #endif */
		padding-top: 12rpx;
	}

	.fui-modal__btn-row {
		/* #ifndef APP-NVUE */
		display: flex;
		/* #endif */
		flex-direction: row;
		align-items: center;
		justify-content: space-between;
	}

	.fui-modal__button {
		margin-left: 20rpx;
		margin-right: 20rpx;
		margin-top: 20rpx;
		margin-bottom: 20rpx;
		height: 68rpx;
		position: relative;
		/* #ifndef APP-NVUE */
		overflow: hidden;
		box-sizing: border-box;
		/* #endif */
	}

	.fui-model__button-full {
		flex: 1;
	}

	.fui-modal__button-col {
		margin-bottom: 0 !important;
	}

	.fui-modal__button-border {
		/* #ifdef APP-NVUE */
		border-width: 0.5px;
		/* #endif */

		/* #ifndef APP-NVUE */
		border-width: 1rpx;
		transform: translateZ(0);
		/* #endif */
		/* #ifdef H5 */
		border-width: 1px;
		/* #endif */
		border-style: solid;
	}

	/* #ifndef APP-NVUE */
	.fui-modal__button-bg {
		background: var(--fui-color-primary, #465CFF) !important;
	}

	.fui-modal__button-bc {
		border-color: var(--fui-color-primary, #465CFF) !important;
	}

	.fui-modal__button-color {
		color: var(--fui-color-primary, #465CFF) !important;
	}

	/* #endif */

	.fui-modal__button-inner {
		/* #ifndef APP-NVUE */
		display: flex;
		white-space: nowrap;
		box-sizing: border-box;
		/* #endif */
		position: absolute;
		left: 0;
		right: 0;
		top: 0;
		bottom: 0;
		align-items: center;
		justify-content: center;
		text-align: center;
		/* #ifdef H5 */
		cursor: pointer;
		/* #endif */
		/* #ifdef APP-NVUE */
		lines: 1;
		line-height: 64rpx;
		/* #endif */
		overflow: hidden;
		text-overflow: ellipsis;
		font-size: 26rpx;
		font-weight: normal;
		color: #FFFFFF;
	}

	.fui-modal__button-inner:active {
		/* #ifdef APP-NVUE */
		background-color: rgba(0, 0, 0, .2);
		/* #endif */

		/* #ifndef APP-NVUE */
		background-color: var(--fui-bg-color-hover, rgba(0, 0, 0, 0.2));
		/* #endif */
	}
</style>