game-scanner 1.1.0

use std::path::PathBuf;

use crate::{
    error::{Error, ErrorKind, Result},
    prelude::Game,
    utils::path::get_filename,
};

use self::utils::{get_launcher_executable, get_library_manifests};

mod acf;
mod types;
mod utils;
mod vdf;

pub fn executable() -> Result<PathBuf> {
    return get_launcher_executable();
}

pub fn games() -> Result<Vec<Game>> {
    let launcher_executable = get_launcher_executable()?;
    let library_manifests = get_library_manifests(|file| get_filename(file).ends_with(".acf"))?;

    let mut games = Vec::new();

    for library_manifest in library_manifests {
        let (library_path, manifests) = library_manifest;

        for manifest in manifests {
            match acf::read(&manifest, &launcher_executable, &library_path) {
                Ok(g) => games.push(g),
                Err(error) => {
                    if error.kind().ne(&ErrorKind::IgnoredApp) {
                        return Err(error);
                    }
                }
            }
        }
    }

    return Ok(games);
}

pub fn find(id: &str) -> Result<Game> {
    let launcher_executable = get_launcher_executable()?;

    let library_manifests = get_library_manifests(|file| get_filename(file).contains(&id))?;

    let library_manifests = library_manifests.iter().find(|(_, list)| list.len() > 0);

    let (library_path, manifests) = library_manifests.ok_or(Error::new(
        ErrorKind::GameNotFound,
        format!("Steam game with id ({}) does not exist", id),
    ))?;

    let manifest = manifests.get(0).ok_or(Error::new(
        ErrorKind::GameNotFound,
        format!("Steam game with id ({}) does not exist", id),
    ))?;

    return acf::read(&manifest, &launcher_executable, &library_path);
}