use std::fmt;

use log::trace;
use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Uri(String);

impl fmt::Display for Uri {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.write_str(&self.0)
    }
}

impl AsRef<[u8]> for Uri {
    fn as_ref(&self) -> &[u8] {
        self.0.as_bytes()
    }
}

impl Uri {
    pub fn new(protocol: impl fmt::Display, base_url: impl fmt::Display) -> Self {
        Self(format!("{protocol}://{base_url}"))
    }

    fn endpoint(&self, path: fmt::Arguments) -> String {
        let uri = format!("{}/api/v2/{path}", self.0);
        trace!("endpoint: {uri:?}");
        uri
    }

    pub fn share_create(&self) -> String {
        self.endpoint(format_args!("alias/upload/new"))
    }

    pub fn share_notify(&self, share_id: &super::ShareID) -> String {
        self.endpoint(format_args!("alias/mail/notify/{share_id}"))
    }

    pub fn file_create(&self, share_id: &super::ShareID) -> String {
        self.endpoint(format_args!("alias/upload/{share_id}/files/tus"))
    }

    pub fn file_patch(&self, share_id: &super::ShareID, file_id: &super::FileID) -> String {
        self.endpoint(format_args!("alias/upload/{share_id}/files/tus/{file_id}"))
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn basic_tests() {
        let cases = vec![
            ("http", "example.com", "http://example.com"),
            ("https", "my-host:8080", "https://my-host:8080"),
            ("custom+scheme", "host", "custom+scheme://host"),
        ];

        for (protocol, base_url, display) in cases {
            let uri = Uri::new(protocol, base_url);
            assert_eq!(
                uri.to_string(),
                display,
                "`impl Display for Uri` expected: {:?}, got {:?}",
                display,
                uri.to_string(),
            );
            assert_eq!(
                uri.as_ref(),
                display.as_bytes(),
                "`impl AsRef<[u8]> for Uri` expected: {:?}, got {:?}",
                display.as_bytes(),
                uri.as_ref(),
            );
        }
    }
}