//  Copyright 2024 RustFS Team
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.

use std::env;

pub fn get_env_usize(key: &str, default: usize) -> usize {
    env::var(key).ok().and_then(|v| v.parse().ok()).unwrap_or(default)
}
pub fn get_env_u64(key: &str, default: u64) -> u64 {
    env::var(key).ok().and_then(|v| v.parse().ok()).unwrap_or(default)
}
pub fn get_env_u32(key: &str, default: u32) -> u32 {
    env::var(key).ok().and_then(|v| v.parse().ok()).unwrap_or(default)
}
pub fn get_env_str(key: &str, default: &str) -> String {
    env::var(key).unwrap_or_else(|_| default.to_string())
}
pub fn get_env_opt_u64(key: &str) -> Option<u64> {
    env::var(key).ok().and_then(|v| v.parse().ok())
}

pub fn get_env_bool(key: &str, default: bool) -> bool {
    env::var(key)
        .ok()
        .and_then(|v| match v.to_lowercase().as_str() {
            "1" | "true" | "yes" => Some(true),
            "0" | "false" | "no" => Some(false),
            _ => None,
        })
        .unwrap_or(default)
}