//! Demonstrate mixing any ANSI color with the background
//!
//! Run this with
//!     cargo run --example fading
use {
    coolor::*,
    crossterm::style::{self, Stylize},
};

fn print_color(ansi: AnsiColor) {
    print!("{}", "█".with(style::Color::AnsiValue(ansi.code)));
}

fn mix(color1: Hsl, weight1: f32, color2: Hsl, weight2: f32) -> Hsl {
    Color::blend(color1, weight1, color2, weight2).hsl()
}

fn main() {
    let bg = match terminal_light::background_color() {
        Ok(bg) => bg,
        _ => {
            println!("Couldn't determine the background color, using default");
            AnsiColor::new(234).into()
        }
    };
    println!("\n Terminal background color: {:?}", bg);
    println!(" Blending all ANSI colors into the background, using only ANSI colors:");
    let bg = bg.hsl();
    for code in 1..=255 {
        let ansi = AnsiColor::new(code);
        print!(" {:>3}  ", code);
        print_color(ansi);
        print!("  ");
        let fg = ansi.to_hsl();
        for i in 0..20 {
            print_color(mix(fg, (20 - i) as f32, bg, i as f32).to_ansi());
        }
        println!();
    }
}