use crate::{
  error::{PakkerError, Result},
  model::{PakkerCredentialsFile, set_keyring_secret},
};

pub fn execute(
  curseforge_api_key: Option<String>,
  modrinth_token: Option<String>,
  github_access_token: Option<String>,
) -> Result<()> {
  let mut creds = PakkerCredentialsFile::load()?;
  let mut updated_any = false;

  if let Some(key) = curseforge_api_key {
    let key = key.trim().to_string();
    if key.is_empty() {
      return Err(PakkerError::InternalError(
        "CurseForge API key cannot be empty".to_string(),
      ));
    }

    println!("Setting CurseForge API key...");
    set_keyring_secret("curseforge_api_key", &key)?;
    creds.curseforge_api_key = Some(key);
    updated_any = true;
  }

  if let Some(token) = modrinth_token {
    let token = token.trim().to_string();
    if token.is_empty() {
      return Err(PakkerError::InternalError(
        "Modrinth token cannot be empty".to_string(),
      ));
    }

    println!("Setting Modrinth token...");
    set_keyring_secret("modrinth_token", &token)?;
    creds.modrinth_token = Some(token);
    updated_any = true;
  }

  if let Some(token) = github_access_token {
    let token = token.trim().to_string();
    if token.is_empty() {
      return Err(PakkerError::InternalError(
        "GitHub access token cannot be empty".to_string(),
      ));
    }

    println!("Setting GitHub access token...");
    set_keyring_secret("github_access_token", &token)?;
    creds.github_access_token = Some(token);
    updated_any = true;
  }

  if !updated_any {
    println!(
      "No credentials provided. Use --cf-api-key, --modrinth-token, or \
       --gh-access-token."
    );
    return Ok(());
  }

  creds.save()?;

  println!("Credentials saved.");
  println!(
    "Credentials file: {}",
    PakkerCredentialsFile::get_path()?.display()
  );
  println!("Keyring service: pakker");

  Ok(())
}