mod context;
mod picture;
mod piece;

use std::error::Error;

use context::Context;
use picture::Picture;
use piece::Piece;

fn main() -> Result<(), Box<dyn Error>> {
    println!("Hello, world!");

    let ctx = Context::new_with_args()?;

    let mut pieces = ctx.get_image_files()?.iter()
        .map(|file| -> Result<Piece, Box<dyn Error>> {
            let pic = Picture::new_from_file(&file)?;
            Ok(Piece::new(&ctx, pic)?)
        }).collect::<Result<Vec<Piece>, Box<dyn Error>>>()?;
    pieces.sort();
    pieces.reverse();

    piece::create_index(&ctx, &pieces[..])?;

    Ok(())
}