export function buildHomeSharePath(targetPath) {
	if (!targetPath) return '/pages/index/index'
	return '/pages/index/index?targetPath=' + encodeURIComponent(targetPath)
}

export function buildGroupHomeSharePath(params) {
	params = params || {}
	const query = [
		'shareType=group',
		'type=shop',
		'shopId=' + encodeURIComponent(params.shopId || ''),
		'groupId=' + encodeURIComponent(params.groupId || ''),
		'targetMembers=' + encodeURIComponent(params.targetMembers || 2),
		'isFaceToFace=' + encodeURIComponent(params.isFaceToFace || 0)
	]
	if (params.orderScene) {
		query.push('orderScene=' + encodeURIComponent(params.orderScene))
	}
	return '/pages/index/index?' + query.join('&')
}

export function buildGroupTargetPath(params) {
	params = params || {}
	if (!params.shopId || !params.groupId) return ''
	let targetPath = '/package2/group/groupBuySingle?type=shop' +
		'&shopId=' + encodeURIComponent(params.shopId) +
		'&groupId=' + encodeURIComponent(params.groupId) +
		'&targetMembers=' + encodeURIComponent(params.targetMembers || 2) +
		'&isFaceToFace=' + encodeURIComponent(params.isFaceToFace || 0)
	if (params.orderScene) {
		targetPath += '&orderScene=' + encodeURIComponent(params.orderScene)
	}
	return targetPath
}

export function normalizeShareTargetPath(value) {
	let targetPath = String(value || '')
	if (targetPath.indexOf('%2F') === 0 || targetPath.indexOf('%2f') === 0) {
		try {
			targetPath = decodeURIComponent(targetPath)
		} catch (e) {}
	}
	if (!targetPath || targetPath.charAt(0) !== '/') return ''
	if (targetPath.indexOf('/pages/index/index') === 0) return ''
	return targetPath
}

export function resolveHomeShareTarget(query) {
	query = query || {}
	if (query.shareType === 'group') {
		return buildGroupTargetPath(query)
	}
	if (query.targetPath) {
		return normalizeShareTargetPath(query.targetPath)
	}
	return ''
}

export function isShareEnterScene(options) {
	if (!options || options.scene == null) return false
	const scene = Number(options.scene)
	return scene === 1007 || scene === 1008 || scene === 1044 || scene === 1154
}

export function getEnterShareTarget(options) {
	if (!options) {
		try {
			if (uni.getEnterOptionsSync) {
				options = uni.getEnterOptionsSync()
			} else if (uni.getLaunchOptionsSync) {
				options = uni.getLaunchOptionsSync()
			}
		} catch (e) {}
	}
	if (!isShareEnterScene(options)) return ''
	return resolveHomeShareTarget(options && options.query)
}

export function getCurrentEnterShareTarget() {
	let options = null
	try {
		if (uni.getEnterOptionsSync) {
			options = uni.getEnterOptionsSync()
		} else if (uni.getLaunchOptionsSync) {
			options = uni.getLaunchOptionsSync()
		}
	} catch (e) {}
	return getEnterShareTarget(options)
}