tibba-util 0.1.0

// Copyright 2025 Tree xie.
//
// 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 lz4_flex::block::DecompressError;
use once_cell::sync::Lazy;
use snafu::Snafu;
use std::env;
use tibba_error::Error as BaseError;

#[derive(Snafu, Debug)]
pub enum Error {
    #[snafu(display("{source}"))]
    Zstd { source: std::io::Error },
    #[snafu(display("{source}"))]
    Lz4Decompress { source: DecompressError },
    #[snafu(display("{source}"))]
    InvalidHeaderName {
        source: axum::http::header::InvalidHeaderName,
    },
    #[snafu(display("{source}"))]
    InvalidHeaderValue {
        source: axum::http::header::InvalidHeaderValue,
    },
    #[snafu(display("{source}"))]
    Axum { source: axum::Error },
}

impl From<Error> for BaseError {
    fn from(val: Error) -> Self {
        let sub_category = match val {
            Error::Zstd { .. } => "zstd",
            Error::Lz4Decompress { .. } => "lz4_decompress",
            Error::InvalidHeaderName { .. } => "invalid_header_name",
            Error::InvalidHeaderValue { .. } => "invalid_header_value",
            Error::Axum { .. } => "axum",
        };
        // pass `val` to `new`, not the internal `source`.
        BaseError::new(val)
            .with_category("util")
            .with_sub_category(sub_category)
    }
}

static RUST_ENV: Lazy<String> =
    Lazy::new(|| env::var("RUST_ENV").unwrap_or_else(|_| "dev".to_string()));

pub fn get_env() -> &'static str {
    &RUST_ENV
}

/// Whether it is a development environment
/// Used to determine whether it is a local development environment
pub fn is_development() -> bool {
    get_env() == "dev"
}

/// Whether it is a test environment
pub fn is_test() -> bool {
    get_env() == "test"
}

/// Whether it is a production environment
pub fn is_production() -> bool {
    get_env() == "production"
}

mod compression;
mod datetime;
mod http;
mod request;
mod response;
mod string;
mod value;

pub use compression::*;
pub use datetime::*;
pub use http::*;
pub use request::*;
pub use response::*;
pub use string::*;
pub use value::*;