use http::Uri;
use rust_util::*;

fn main() {
    println!("Hello, world!");

    let u = "https://a:d@hatter.ink:443/aaa/bbb/cccc?aa=1#dd";
    let uri = u.parse::<Uri>().unwrap();
    println!("{}", uri);
    println!("{:?}", uri.scheme());
    println!("{:?}", uri.scheme_str());
    println!("{:?}", uri.authority());
    println!("{:?}", uri.host());
    println!("{:?}", uri.port());
    println!("{:?}", uri.path());
    println!("{:?}", uri.query());
    println!("{:?}", uri.path_and_query());
    println!("{:?}", uri.path().split('/').collect::<Vec<_>>());
    let mut v = uri.path().split('/').collect::<Vec<_>>();
    if !v.is_empty() {
        let l = v.len()-1;
        v[l]="xxxxx";
    }
    println!("{:?}", v.join("/"));
}

fn _make_url(base_url: &str, ts_url: &str) -> XResult<String> {
    let lower_ts_url = ts_url.to_lowercase();
    if lower_ts_url.starts_with("http://") || lower_ts_url.starts_with("https://") {
        return Ok(ts_url.into());
    }

    let parsed_base_url = base_url.parse::<Uri>()?;
    let lower_scheme_str = match parsed_base_url.scheme_str() {
        None => return Err(new_box_error(&format!("Base url has no scheme: {}", base_url))),
        Some(s) => s.to_lowercase(),
    };

    if ts_url.starts_with("//") {
        return Ok(iff!(lower_scheme_str == "http", "http:", "https:").to_owned() + ts_url);
    }

    let authority = match parsed_base_url.authority() {
        None => return Err(new_box_error(&format!("Base url has no authority: {}", base_url))),
        Some(a) => a,
    };

    if ts_url.starts_with('/') {
        return Ok(format!("{}://{}{}", lower_scheme_str, authority, ts_url));
    }

    let relative_base_url = format!("{}://{}{}", lower_scheme_str, authority, parsed_base_url.path());
    if relative_base_url.ends_with('/') {
        // ends with '/'
        Ok(relative_base_url + ts_url)
    } else {
        // not ends with '/'
        let mut splited_by_slash = relative_base_url.split('/').collect::<Vec<_>>();
        let splited_by_slash_len = splited_by_slash.len();
        splited_by_slash[splited_by_slash_len - 1] = ts_url;        
        Ok(splited_by_slash.join("/"))
    }
}