use std::{fs::DirBuilder, path::PathBuf};

use tauri::{path::PathResolver, AppHandle, Manager, Runtime};

fn ensure_dir<R: Runtime>(resolver: &PathResolver<R>) -> anyhow::Result<PathBuf> {
    let config_dir = resolver
        .local_data_dir()
        .map_err(|e| anyhow::anyhow!("Unable to get local data directory: {}", e))?;
    if !config_dir.exists() {
        let mut dir_creator = DirBuilder::new();
        dir_creator
            .recursive(true)
            .create(&config_dir)
            .map_err(|e| anyhow::anyhow!("Unable to create config directory: {}", e))?;
    }
    Ok(config_dir)
}

pub fn open_config_db<R: Runtime>(app_handle: &AppHandle<R>) -> anyhow::Result<sled::Db> {
    let config_dir = ensure_dir(app_handle.path())?;
    let db_path = config_dir.join("conf.db");
    sled::open(&db_path).map_err(|e| anyhow::anyhow!("Unable to open config database: {}", e))
}