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// Copyright 2016 LambdaStack All rights reserved.
//
// 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 term;

/// print! with a specific color.
///
#[macro_export]
macro_rules! print_color {
    ($color:expr, $($arg:tt)*) => {
        let mut t = term::stderr().unwrap();
        t.fg($color).unwrap();
        print!($($arg)*);
        t.reset().unwrap();
    };
}

/// println! with a specific color.
///
#[macro_export]
macro_rules! println_color {
    ($color:expr, $fmt:expr) => (print_color!($color, concat!($fmt, "\n")));
    ($color:expr, $fmt:expr, $($arg:tt)*) => (print_color!($color, concat!($fmt, "\n"), $($arg)*));
}

/// repeat_color - Prints out a repeat of characters in a specific color.
///
/// Currently prints characters using the color specified.
///
/// # Example
/// ```
/// repeat_color!(term::color::RED, "=", 80);
/// ```
#[macro_export]
macro_rules! repeat_color {
    ($color:expr, $e:expr, $size:expr) => {
        let repeated: String = iter::repeat($e).take($size).collect();
        println_color!($color, "{}", repeated);
    }
}

/// repeat - Prints out a repeat of characters
///
/// Currently prints characters using the default color (white).
///
/// # Example
/// ```
/// repeat!("=", 80);
/// ```
#[macro_export]
macro_rules! repeat {
    ($e:expr, $size:expr) => {
        repeat_color!(term::color::WHITE, $e, $size);
    }
}