// markdown utility for replacing and swapping content detils
export function renderMarkdown(markdownText = '') {
    const htmlText = markdownText
        .replace(/^### (.*$)/gim, '<h3>$1</h3>')
        .replace(/^## (.*$)/gim, '<h2>$1</h2>')
        .replace(/^# (.*$)/gim, '<h1>$1</h1>')
        .replace(/^\> (.*$)/gim, '<blockquote>$1</blockquote>')
        .replace(/\*\*(.*)\*\*/gim, '<b>$1</b>')
        .replace(/\*(.*)\*/gim, '<i>$1</i>')
        // .replace(/!\[(.*?)\]\((.*?)\)/gim, "<img alt='$1' src='$2' />")
        .replace(/\[(.*?)\]\((.*?)\)/gim, "<a href='$2'>$1</a>")
        .replace(/`(.*?)`/gim, '<code>$1</code>')
        .replace(/\n$/gim, '<br />')

    return htmlText.trim()
}

export function renderCommitMessage(msg: string) {
    return renderMarkdown(msg).replace(
        /\#([0-9]+)/g,
        "<a href='https://github.com/andatoshiki/toshiki-notebook/issues/$1'>#$1</a>"
    )
}
export const EXTERNAL_URL_RE = /^[a-z]+:/i
export const PATHNAME_PROTOCOL_RE = /^pathname:\/\//

export function isExternal(path: string): boolean {
    return EXTERNAL_URL_RE.test(path)
}