import type { BufferSource } from './types'

/** Download a file */
export function downloadFile(
	content: BufferSource | Blob | string,
	filename: string,
	type: string | undefined,
	utf8Bom = false, // UTF-8 header for Excel files
): void {
	/**
	 * \ufeff = UTF-8 encoding
	 * @see https://stackoverflow.com/a/18925211
	 */
	const blobContent = utf8Bom ? ['\ufeff', content] : [content]
	// https://stackoverflow.com/questions/69552023/after-update-typescript-3-7-2-to-latest-typescript-4-4-4-error-ts2339
	// eslint-disable-next-line @typescript-eslint/no-explicit-any
	const nav = window.navigator as any

	const blob = new Blob(blobContent as BlobPart[], { type })

	if (nav.msSaveOrOpenBlob) {
		nav.msSaveOrOpenBlob(blob, filename)
	}
	else {
		const link = document.createElement('a')

		link.target = '_blank'
		link.style.display = 'none'
		link.rel = 'noopener noreferrer'
		link.href = window.URL.createObjectURL(blob)
		link.download = filename
		document.body.appendChild(link)
		link.click()
		document.body.removeChild(link)
		window.URL.revokeObjectURL(link.href)
	}
}