async function gen_gemtext() {
    var data = ""
    // wait for the page to actually finish loading
    // ideally we would use a mutation observer here but i am lazy
    await new Promise((resolve,reject) => {
        setTimeout(resolve, 900)
    });
    if (document.querySelector("span[itemprop='author']") === null) {
        window.electron.send_gemtext(window.electron.default_sigil())
        return
    } else {
        var title = document.querySelector("span[itemprop='author']").innerText
                    + " / " 
                    + document.querySelector("strong[itemprop='name']").innerText
        data += "# " + title + "\n"

        var latest_commit = document.querySelector("div.Box-header")
        if (latest_commit !== null) {
            latest_commit = latest_commit.innerText.replaceAll("\n", " ").replace(/History$/, "")
            data += "\n" + latest_commit + "\n"
        } 
        var file_list = document.querySelector("div.repository-content")
        if (file_list !== null) {
            var file_elements = file_list.querySelectorAll("div.Box-row")
            if (file_elements.length !== 0) {
                data += "\n## Files\n\n"
                for (let i = 0; i < file_elements.length; i++) {
                    let file_element = file_elements[i]
                    if (file_element.innerText == ". .") { continue }
                    let link_el  = file_element.querySelector("a.js-navigation-open.Link--primary")
                    let file_title = link_el.innerText
                    let file_link = link_el.getAttribute("href")
                    let last_updated = file_element.querySelector("div.color-text-tertiary.text-right").innerText 
                    data += "=> " 
                            + window.electron.abs_href(file_link)
                            + " " 
                            + file_title 
                            + "\n"
                            + "* " + "Last updated " + last_updated.trim() + "\n"
                }
            } else {
                var code_lines = document.querySelectorAll("td.blob-num[data-line-number]")
                var num_lines = code_lines.length
                var file_name = document.querySelector("strong.final-path")
                var raw_link = document.querySelector("a#raw-url")
                if (file_name) {
                    data += "\n## " + file_name.innerText + "\n\n"
                }
                if (num_lines !== 0) {
                    data += "```\n"
                    code_lines.forEach((line) => {
                        let line_num = line.getAttribute("data-line-number")
                        let padding = String(num_lines).length - String(line_num).length
                        let line_contents = line.nextElementSibling.innerText.replace(/^\n$/, "")
                        data += line_num + " ".repeat(padding) +"| " + line_contents + "\n"
                    })
                    data += "```\n"
                }
            }
        }
        var readme_box = document.querySelector("div#readme")
        if (readme_box) {
            data += "\n----------\n"
            var md_contents = document.querySelector("article.markdown-body.entry-content[itemprop='text']")
            if (md_contents) {
                data += window.electron.md_parse("article.markdown-body.entry-content[itemprop='text']")
            } else {
                data += readme_box.innerText
            }
        }
    }
    window.electron.send_gemtext(data)
}
gen_gemtext()