use std::error::Error;
use std::fs::File;
use std::io::Read;

pub fn pad_ins_wiki(old_pad_content: String) {
    convert_markdown_to_mediawiki_and_save_as_txt(old_pad_content);

    // Textdatei wieder einlesen
    let mut file = File::open("pandoc-output.txt").expect("Fehler beim öffnen der MediaWiki-Textdatei!");
    let mut contents = String::new();
    file.read_to_string(&mut contents).expect("Fehler beim auslesen der MediaWiki-Textdatei!");

    // Passwörter aus Datenbank lesen (ToBeDone)
    let plenum_bot_user = String::from("PlenumBot@PlenumBot-PW1");
    let plenum_bot_pw = String::from("**OLD_API_PW_REMOVED**");
    let login_token = login_to_mediawiki(plenum_bot_user.clone(), plenum_bot_pw.clone()).expect("Fehler beim Einloggen!");
    println!("plenum_bot_user: {plenum_bot_user}, plenum_bot_pw: {plenum_bot_pw}, login_token: {login_token}")
}

fn convert_markdown_to_mediawiki_and_save_as_txt (old_pad_content: String) {
    //Convert Markdown into Mediawiki
    // Vanilla pandoc Befehl: pandoc --from markdown --to mediawiki --no-highlight
    let mut p = pandoc::new();
    p.set_input(pandoc::InputKind::Pipe(old_pad_content));
    p.set_input_format(pandoc::InputFormat::Markdown, vec![]);
    p.set_output(pandoc::OutputKind::File("./pandoc-output.txt".parse().unwrap()));
    p.set_output_format(pandoc::OutputFormat::MediaWiki, vec![]);
    p.execute().expect("Fehler beim Umwandeln des und speichern des Pads in eine mediawiki-Textdatei");
}

fn login_to_mediawiki (plenum_bot_user: String, plenum_bot_pw: String) -> Result<String, Box<dyn Error>> {
    //let mut map = HashMap::new();
    //map.insert("logintoken", "result");
    let username = "cccb-wiki";
    let password = "**OLD_PW_REMOVED**";
    let auth_header_value = format!("{}:{}", username, password);
    // let auth_header_value = format!("Basic {}", Engine::encode(&auth_value, ()));
    /* NOCH NICHT GEFIXT
    let client = reqwest::blocking::Client::new();
    let resp = client
        .get("https://wiki.berlin.ccc.de/api.php?action=query&meta=tokens&type=login&format=json")
        .send()?
        .text()?;
    //let response = client
    //    .post("https://wiki.berlin.ccc.de/api.php?action=query&meta=tokens&type=login&format=json")
    //    .form(&[("Username", "cccb-wiki"), ("Password", "**OLD_PW_REMOVED**")])
    //    .send()
    //    .unwrap();
    //.json(&map);
    let html_source = resp.text()?;
    //let login_token: String = map.get("logintoken").unwrap().to_string().clone();
    println!("---HTML:---\n{}\n-----------", html_source);
    
     */
    Ok(String::from("unimplemented"))
}