oxyromon 0.12.0

use super::config::*;
use super::import_dats::SYSTEM_NAME_REGEX;
use super::model::*;
use super::SimpleResult;
use async_std::fs;
use async_std::path::{Path, PathBuf};
use indicatif::ProgressBar;
use sqlx::sqlite::SqliteConnection;
use std::cmp::Ordering;
#[cfg(any(feature = "ird", feature = "benchmark"))]
use tempfile::NamedTempFile;
use tempfile::TempDir;

pub async fn get_canonicalized_path<P: AsRef<Path>>(path: &P) -> SimpleResult<PathBuf> {
    let canonicalized_path = try_with!(
        path.as_ref().canonicalize().await,
        "Failed to get canonicalized path for {:?}",
        path.as_ref()
    );
    Ok(canonicalized_path)
}

#[cfg(any(feature = "chd", feature = "cso", feature = "rvz"))]
pub async fn open_file<P: AsRef<Path>>(path: &P) -> SimpleResult<fs::File> {
    let file = try_with!(
        fs::File::open(path.as_ref()).await,
        "Failed to open {:?}",
        path.as_ref()
    );
    Ok(file)
}

pub fn open_file_sync<P: AsRef<Path>>(path: &P) -> SimpleResult<std::fs::File> {
    let file = try_with!(
        std::fs::File::open(path.as_ref()),
        "Failed to open {:?}",
        path.as_ref()
    );
    Ok(file)
}

pub fn get_reader_sync<P: AsRef<Path>>(
    path: &P,
) -> SimpleResult<std::io::BufReader<std::fs::File>> {
    let f = open_file_sync(path)?;
    Ok(std::io::BufReader::new(f))
}

pub async fn create_file<P: AsRef<Path>>(
    progress_bar: &ProgressBar,
    path: &P,
    quiet: bool,
) -> SimpleResult<fs::File> {
    if !quiet {
        progress_bar.println(&format!("Creating {:?}", path.as_ref().as_os_str()));
    }
    let file = try_with!(
        fs::File::create(path).await,
        "Failed to create {:?}",
        path.as_ref()
    );
    Ok(file)
}

#[cfg(any(feature = "ird", feature = "benchmark"))]
pub async fn create_tmp_file(connection: &mut SqliteConnection) -> SimpleResult<NamedTempFile> {
    let tmp_file = try_with!(
        NamedTempFile::new_in(get_tmp_directory(connection).await),
        "Failed to create temp file"
    );
    Ok(tmp_file)
}

pub async fn copy_file<P: AsRef<Path>, Q: AsRef<Path>>(
    progress_bar: &ProgressBar,
    old_path: &P,
    new_path: &Q,
    quiet: bool,
) -> SimpleResult<()> {
    if old_path.as_ref() != new_path.as_ref() {
        let new_directory = new_path.as_ref().parent().unwrap();
        if !new_directory.is_dir().await {
            create_directory(progress_bar, &new_directory, quiet).await?;
        }
        if !quiet {
            progress_bar.println(&format!("Copying to {:?}", new_path.as_ref().as_os_str()));
        }
        try_with!(
            fs::copy(old_path, new_path).await,
            "Failed to copy {:?} to {:?}",
            old_path.as_ref().as_os_str(),
            new_path.as_ref().as_os_str()
        );
    }
    Ok(())
}

pub async fn rename_file<P: AsRef<Path>, Q: AsRef<Path>>(
    progress_bar: &ProgressBar,
    old_path: &P,
    new_path: &Q,
    quiet: bool,
) -> SimpleResult<()> {
    if old_path.as_ref() != new_path.as_ref() {
        let new_directory = new_path.as_ref().parent().unwrap();
        if !new_directory.is_dir().await {
            create_directory(progress_bar, &new_directory, quiet).await?;
        }
        if !quiet {
            progress_bar.println(&format!("Moving to {:?}", new_path.as_ref().as_os_str()));
        }
        let result = fs::rename(old_path, new_path).await;
        // rename doesn't work across filesystems, use copy/remove as fallback
        if result.is_err() {
            copy_file(progress_bar, old_path, new_path, quiet).await?;
            remove_file(progress_bar, old_path, quiet).await?;
        }
    }
    Ok(())
}

pub async fn remove_file<P: AsRef<Path>>(
    progress_bar: &ProgressBar,
    path: &P,
    quiet: bool,
) -> SimpleResult<()> {
    if !quiet {
        progress_bar.println(&format!("Deleting {:?}", path.as_ref().as_os_str()));
    }
    try_with!(
        fs::remove_file(path).await,
        "Failed to delete {:?}",
        path.as_ref()
    );
    Ok(())
}

pub async fn create_directory<P: AsRef<Path>>(
    progress_bar: &ProgressBar,
    path: &P,
    quiet: bool,
) -> SimpleResult<()> {
    if !quiet {
        progress_bar.println(&format!("Creating {:?}", path.as_ref().as_os_str()));
    }
    if !path.as_ref().is_dir().await {
        try_with!(
            fs::create_dir_all(path).await,
            "Failed to create {:?}",
            path.as_ref()
        );
    }
    Ok(())
}

pub async fn create_tmp_directory(connection: &mut SqliteConnection) -> SimpleResult<TempDir> {
    let tmp_directory = try_with!(
        TempDir::new_in(get_tmp_directory(connection).await),
        "Failed to create temp directory"
    );
    Ok(tmp_directory)
}

pub async fn remove_directory<P: AsRef<Path>>(
    progress_bar: &ProgressBar,
    path: &P,
    quiet: bool,
) -> SimpleResult<()> {
    if !quiet {
        progress_bar.println(&format!("Deleting {:?}", path.as_ref().as_os_str()));
    }
    try_with!(
        fs::remove_dir_all(path).await,
        "Failed to delete {:?}",
        path.as_ref()
    );
    Ok(())
}

pub async fn get_system_directory(
    connection: &mut SqliteConnection,
    progress_bar: &ProgressBar,
    system: &System,
) -> SimpleResult<PathBuf> {
    let system_directory = get_rom_directory(connection)
        .await
        .join(SYSTEM_NAME_REGEX.replace(&system.name, "").trim());
    create_directory(progress_bar, &system_directory, true).await?;
    Ok(system_directory)
}

pub async fn get_one_region_directory(
    connection: &mut SqliteConnection,
    progress_bar: &ProgressBar,
    system: &System,
) -> SimpleResult<PathBuf> {
    let trash_directory = get_system_directory(connection, progress_bar, system)
        .await?
        .join("1G1R");
    create_directory(progress_bar, &trash_directory, true).await?;
    Ok(trash_directory)
}

pub async fn get_trash_directory(
    connection: &mut SqliteConnection,
    progress_bar: &ProgressBar,
    system: &System,
) -> SimpleResult<PathBuf> {
    let trash_directory = get_system_directory(connection, progress_bar, system)
        .await?
        .join("Trash");
    create_directory(progress_bar, &trash_directory, true).await?;
    Ok(trash_directory)
}

pub fn is_update(progress_bar: &ProgressBar, old_version: &str, new_version: &str) -> bool {
    match new_version.cmp(old_version) {
        Ordering::Less => {
            progress_bar.println(format!(
                "Version \"{}\" is older than \"{}\"",
                new_version, old_version
            ));
            false
        }
        Ordering::Equal => {
            progress_bar.println(format!("Already at version \"{}\"", new_version));
            false
        }
        Ordering::Greater => {
            progress_bar.println(format!(
                "Version \"{}\" is newer than \"{}\"",
                new_version, old_version
            ));
            true
        }
    }
}