use anyhow::Result;
use base64::{engine::general_purpose, Engine as _};
use log::debug;

pub struct GiteaAPI {
    api_endpoint: String,
    auth: String,
}

impl GiteaAPI {
    pub fn new(api_endpoint: &str, auth: &str) -> Self {
        Self {
            api_endpoint: api_endpoint.to_string(),
            auth: basic_auth(auth),
        }
    }

    pub fn check_repositories(&self, project_ids: &[&str]) -> Result<()> {
        for repo in project_ids {
            let api_url = format!("{}/v1/repos/{}", self.api_endpoint, repo);
            let res = ureq::get(&api_url)
                .set("Authorization", &self.auth)
                .call()?;
            if res.status() != 200 {
                let body = res.into_string()?;
                return Err(anyhow::anyhow!(
                    "Error fetching repository {}: {}",
                    repo,
                    body
                ));
            }
            debug!("Repository {} exists", repo);
        }
        Ok(())
    }

    pub fn sync(&self, project_id: &str) -> Result<()> {
        let api_url = format!("{}/v1/repos/{}/mirror-sync", &self.api_endpoint, project_id);
        ureq::post(&api_url)
            .set("Authorization", &self.auth)
            .call()?;
        debug!("Synced repository {}", project_id);
        Ok(())
    }
}

fn basic_auth(auth: &str) -> String {
    format!("Basic {}", general_purpose::STANDARD.encode(auth))
}