var iapChannel = null
//获取是否支持iap支付
export function Init() {
	return new Promise((resolve, reject) => {
		//使用uni.getProvider来获取通道
		uni.getProvider({
			service: 'payment',
			success: (res) => {
				console.log(res, 'init')
				iapChannel = res.providers.find((channel) => {
					return (channel.id === 'appleiap')
				})
				//成功之后会返回通道
				resolve(iapChannel)
			},
		})
	})
}
//获取订单
export function restore(iapChannel) {
	console.log("获取苹果服务器已支付且未关闭的交易列表")
	return new Promise((resolve, reject) => {
		iapChannel.restoreCompletedTransactions({
			manualFinishTransaction: true,
			username: ''
		}, (res) => {
			resolve(res)
		}, (err) => {
			reject(err);
		})
	});
}
//关闭订单
export function finishTransaction(transaction, iapChannel) {
	console.log("关闭订单")
	return new Promise((resolve, reject) => {
		iapChannel.finishTransaction(transaction, (res) => {
			console.log("关闭订单成功", res)
			resolve(res);
		}, (err) => {
			reject(err);
		});
	});
}


export function getReview(iapChannel, token, dev) {
	//请求是否有已完成未关闭的订单
	restore(iapChannel).then(res => {
		//如果有并且状态为已支付则请求关闭并回调给后端
		console.log(res)
		if (res.length > 0) {
			//轮询关闭订单
			res.map(item => {
				finishTransaction(item, iapChannel)
				//如果状态为已完成的状态
				if (item.transactionState == '1') {


				}
			})
		}
	})
}


export function requestOrder(iapChannel, productIds) {
	uni.showLoading({
		title: '初始化中~',
		mask: true
	})
	return new Promise((resolve, reject) => {
		iapChannel.requestOrder(productIds, (orderList) => { //必须调用此方法才能进行 iap 支付
			console.log('requestOrder success: ' + JSON.stringify(orderList));
			resolve(orderList)
			uni.hideLoading()
		}, (e) => {
			console.log('requestOrder failed: ' + JSON.stringify(e));
			uni.hideLoading()
			uni.showToast({
				icon: 'none',
				title: '当前环境不支持内购支付'
			})
			reject(e)
		});
	})
}