<template>
	<!-- #ifdef APP-NVUE -->
	<cell>
		<!-- #endif -->
		<view :class="disabled ? 'uni-list-item--disabled' : ''" :hover-class="disabled || showSwitch ? '' : 'uni-list-item--hover'" class="uni-list-item" @click="onClick">
			<view class="uni-list-item__container" :class="{ 'uni-list-item--first': isFirstChild }">
				<view v-if="thumb" class="uni-list-item__icon"><image :src="thumb" class="uni-list-item__icon-img" /></view>
				<view v-else-if="showExtraIcon" class="uni-list-item__icon">
					<uni-icons :color="extraIcon.color" :size="extraIcon.size" :type="extraIcon.type" class="uni-icon-wrapper" />
				</view>
				<view class="uni-list-item__content">
					<slot name="left"></slot>
					<text class="uni-list-item__content-title">{{ title }}</text>
					<text v-if="note" class="uni-list-item__content-note">{{ note }}</text>
				</view>
				<view class="uni-list-item__extra">
					<text v-if="rightText" class="uni-list-item__extra-text">{{ rightText }}</text>
					<uni-badge v-if="showBadge" :type="badgeType" :text="badgeText" />
					<switch v-if="showSwitch" :disabled="disabled" :checked="switchChecked" @change="onSwitchChange" />
					<slot name="right"></slot>
					<uni-icons v-if="showArrow" :size="20" class="uni-icon-wrapper" color="#bbb" type="arrowright" />
				</view>
			</view>
		</view>
		<!-- #ifdef APP-NVUE -->
	</cell>
	<!-- #endif -->
</template>

<script>
import uniIcons from '../uni-icons/uni-icons.vue';
import uniBadge from '../uni-badge/uni-badge.vue';

/**
 * ListItem 列表子组件
 * @description 列表子组件
 * @tutorial https://ext.dcloud.net.cn/plugin?id=24
 * @property {String} title 标题
 * @property {String} note 描述
 * @property {String} thumb 左侧缩略图，若thumb有值，则不会显示扩展图标
 * @property {String} badgeText 数字角标内容
 * @property {String} badgeType 数字角标类型，参考[uni-icons](https://ext.dcloud.net.cn/plugin?id=21)
 * @property {String} rightText 右侧文字内容
 * @property {Boolean} disabled = [true|false]是否禁用
 * @property {Boolean} showArrow = [true|false] 是否显示箭头图标
 * @property {Boolean} showBadge = [true|false] 是否显示数字角标
 * @property {Boolean} showSwitch = [true|false] 是否显示Switch
 * @property {Boolean} switchChecked = [true|false] Switch是否被选中
 * @property {Boolean} showExtraIcon = [true|false] 左侧是否显示扩展图标
 * @property {Boolean} scrollY = [true|false] 允许纵向滚动，需要显式的设置其宽高
 * @property {Object} extraIcon 扩展图标参数，格式为 {color: '#4cd964',size: '22',type: 'spinner'}
 * @event {Function} click 点击 uniListItem 触发事件
 * @event {Function} switchChange 点击切换 Switch 时触发
 */
export default {
	name: 'UniListItem',
	components: {
		uniIcons,
		uniBadge
	},
	props: {
		title: {
			type: String,
			default: ''
		}, // 列表标题
		note: {
			type: String,
			default: ''
		}, // 列表描述
		disabled: {
			// 是否禁用
			type: [Boolean, String],
			default: false
		},
		showArrow: {
			// 是否显示箭头
			type: [Boolean, String],
			default: true
		},
		showBadge: {
			// 是否显示数字角标
			type: [Boolean, String],
			default: false
		},
		showSwitch: {
			// 是否显示Switch
			type: [Boolean, String],
			default: false
		},
		switchChecked: {
			// Switch是否被选中
			type: [Boolean, String],
			default: false
		},
		badgeText: {
			// badge内容
			type: String,
			default: ''
		},
		badgeType: {
			// badge类型
			type: String,
			default: 'success'
		},
		rightText: {
			// 右侧文字内容
			type: String,
			default: ''
		},
		thumb: {
			// 缩略图
			type: String,
			default: ''
		},
		showExtraIcon: {
			// 是否显示扩展图标
			type: [Boolean, String],
			default: false
		},
		extraIcon: {
			type: Object,
			default() {
				return {
					type: 'contact',
					color: '#000000',
					size: 20
				};
			}
		}
	},
	inject: ['list'],
	data() {
		return {
			isFirstChild: false
		};
	},
	mounted() {
		if (!this.list.firstChildAppend) {
			this.list.firstChildAppend = true;
			this.isFirstChild = true;
		}
	},
	methods: {
		onClick() {
			this.$emit('click');
		},
		onSwitchChange(e) {
			this.$emit('switchChange', e.detail);
		}
	}
};
</script>

<style lang="scss" scoped>
$list-item-pd: $uni-spacing-col-lg $uni-spacing-row-lg;

.uni-list-item {
	font-size: $uni-font-size-lg;
	position: relative;
	flex-direction: column;
	justify-content: space-between;
}

.uni-list-item--disabled {
	opacity: 0.3;
}

.uni-list-item--hover {
	background-color: $uni-bg-color-hover;
}

.uni-list-item__container {
	line-height: 48rpx;
	position: relative;
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: row;
	padding: $list-item-pd;
	padding-left: 0;
	flex: 1;
	position: relative;
	justify-content: space-between;
	align-items: center;
	/* #ifdef APP-PLUS */
	border-top-color: $uni-border-color;
	border-top-style: solid;
	border-top-width: 0.5px;
	/* #endif */
}

.uni-list-item--first {
	border-top-width: 0px;
}

/* #ifndef APP-NVUE */
.uni-list-item__container:after {
	position: absolute;
	top: 0;
	right: 0;
	left: 0;
	height: 1px;
	content: '';
	-webkit-transform: scaleY(0.5);
	transform: scaleY(0.5);
	background-color: $uni-border-color;
}

.uni-list-item--first:after {
	height: 0px;
}

/* #endif */

.uni-list-item__content {
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex: 1;
	overflow: hidden;
	flex-direction: column;
	color: #3b4144;
}

.uni-list-item__content-title {
	font-size: $uni-font-size-base;
	color: #3b4144;
	overflow: hidden;
}

.uni-list-item__content-note {
	margin-top: 6rpx;
	color: $uni-text-color-grey;
	font-size: $uni-font-size-sm;
	overflow: hidden;
}

.uni-list-item__extra {
	// width: 25%;
	/* #ifndef APP-NVUE */
	display: flex;
	/* #endif */
	flex-direction: row;
	justify-content: flex-end;
	align-items: center;
}

.uni-list-item__icon {
	display: flex;
	margin-right: 18rpx;
	flex-direction: row;
	justify-content: center;
	align-items: center;
	
	margin-left: 20rpx;
}

.uni-list-item__icon-img {
	// height: $uni-img-size-base;
	// width: $uni-img-size-base;
	height: 38rpx;
	width: 38rpx;
}

.uni-list-item__extra-text {
	color: $uni-text-color-grey;
	font-size: $uni-font-size-sm;
}
</style>