import queryString from 'query-string'

export interface Query {
	[key: string]: boolean | Query
}

export function buildQuery(query: Query): string {
	// Filter out simple boolean props
	const topAttributes = Object.keys(query).filter(
		(keyName) => query[keyName] === true
	)

	// Filter out props with sub-objects which need to be serialized
	const objectProps = Object.keys(query).filter((prop) => isObject(query[prop]))

	const subAttributesSerialized = objectProps.map((prop) => {
		return `${prop}.${buildQuery(query[prop] as Query)}`
	})

	const result = [...topAttributes, ...subAttributesSerialized].join()

	return `[${result}]`
}

function isObject(obj: any) {
	return typeof obj === 'object' && !Array.isArray(obj) && obj !== null
}

export function getStringifiedQuery(query: any) {
	return queryString.stringify(
		{
			...query,
			with: !query.with ? undefined : buildQuery(query.with),
		},
		{
			arrayFormat: 'comma',
			skipNull: true,
			skipEmptyString: true,
		}
	)
}