var data = ""
header = document.querySelector("h2")
if (header) {
    data += "# " + header.innerText + "\n\n"

    var nav_links = document.querySelectorAll("li.nav-item > a.nav-link")
    if (nav_links) {
        var valid_links = ["summary", "tree", "source"]
        nav_links.forEach((nav_link) => {
            if (valid_links.includes(nav_link.innerText)){
                let href = nav_link.getAttribute("href")
                if (href[0] === "/") {
                    data += "=> " 
                            + window.electron.abs_href(href)
                            + " " 
                            + nav_link.innerText 
                            + "\n"
                } else {
                    data += "=> ?" 
                            + href
                            + " " 
                            + nav_link.innerText 
                            + "\n"
                }
            }
        })
    }
    var code_view = document.querySelector("div.col-md-12.code-view > div.highlight > pre")
    if (code_view) {
        var header = document.querySelector("div.header-extension").innerText.split(" ")[0]
        data += "\n## " + header + "\n\n```\n" + code_view.innerText + "```\n"
    }
    
    var tree_list = document.querySelector("div.tree-list")
    if (tree_list) {
        var header = document.querySelector("div.header-extension").innerText.split(" ")[0]
        data += "\n## " + header + "\n\n"
        var tree_items = tree_list.children
        for (let tree_item of tree_items) {
            if (tree_item.className.includes("name")) {
                let item_link = tree_item.querySelector("a").getAttribute("href")
                data += "=> " + window.electron.abs_href(item_link) + " " + tree_item.innerText + " "
            } else if (tree_item.className.includes("size")) {
                if (tree_item.innerText !== "") {
                    data += "(" + tree_item.innerText + ")" + "\n"
                } else {
                    data += "\n"
                }
            }
        }
    }

    var latest_events = document.querySelectorAll("div.event-list > div.event")
    if (latest_events.length !== 0) {
        data += "\n## Latest events:\n\n----\n"
        latest_events.forEach((event_el) => {
            data += event_el.innerText + "\n----\n"
        })
    }
    var clone_links = document.querySelector("div.col-md-8 > dl")
    if (clone_links) {
        data += "\n## Clone:\n"
        data += clone_links.innerText + "\n"
    }
    var readme_node = document.querySelector("div#readme")
    var readme_selector = "div#readme"
    if (! readme_node) { readme_node = document.querySelector("div.readme") } // don't ask me ask drew

    if (readme_node) {
        var markdown_node = readme_node.querySelector("div.markdown") 
        data += "\n----------\n"
        if (markdown_node) {
            var readme_elements = markdown_node.children
            for (let i = 0; i < readme_elements.length; i++) {
                let element = readme_elements[i]

                let tag_name = element.tagName
                if (tag_name.startsWith("H") && tag_name.length === 2) {
                    let header_lvl = tag_name[1]
                    data += "\n" 
                            + "#".repeat(header_lvl) 
                            + " " 
                            + element.innerText.replace("\n", "").replaceAll("#", "")
                } else if (tag_name === "P") {
                    data += element.innerText
                } else if (tag_name === "UL") {
                    let list_items = element.children
                    for (let j = 0; j < list_items.length ; j++) {
                        list_item = list_items[j]
                        data += "\n* " + list_item.innerText.replaceAll("\n", "\n\t - ")
                    }
                } else if (tag_name === "PRE") {
                    data += "```\n" + element.innerText + "```\n"
                }
                data += "\n"
            }
        } else {
            data += readme_node.innerText + "\n" 
        }
    }
    window.electron.send_gemtext(data)
} else {
    window.electron.send_gemtext(window.electron.default_sigil())
}