export function fieldRules(required,max) {
// export function fieldRules({ required = true, isSelect = false, max = 50,type = 'string' }) {
	const trigger = ['blur', 'change']
	const rules = []
	const isInput = typeof max === 'number'
	if (required) {
		rules.push({ required: true, message: isInput ? '请输入' : '请选择', trigger })
	}
	if (isInput) {
		rules.push({ max, message: `长度不超过${max}`, trigger })
	}
	return rules
}


export function getDictLabel(value, dictList) {
	return dictList.find(item => item.dictKey === String(value))?.dictValue || value || ''
}

export function blobDownload(res) {
	const disposition = res.headers?.['content-disposition'] || res.headers?.['Content-Disposition']
	const encodedName = disposition.split('filename=')[1]
	const filename = decodeURIComponent(encodedName)
	const elink = document.createElement('a')
	elink.download = filename
	elink.style.display = 'none'
	const blob = new Blob([res.data])
	elink.href = URL.createObjectURL(blob)
	document.body.appendChild(elink)
	elink.click()
	document.body.removeChild(elink)
}

export function geomAnalysis(str) {
	if (!str) return []
	return str
		.replace('POLYGON((', '')
		.replace('))', '')
		.split(',')
		.map(pair => {
			const [longitude, latitude] = pair.trim().split(' ').map(Number)
			return { longitude, latitude }
		})
}