use std::collections::HashSet;
use std::path::Path;

mod recipe;
mod resolve;
mod types;

use resolve::Result;
use types::*;

fn main() -> Result<()> {
	let recipes = recipe::read_recipes(Path::new("examples")).unwrap();

	let mut tasks: TaskMap = TaskMap::default();
	for (recipe_name, recipe) in recipes {
		for (task_name, task) in recipe.tasks {
			let full_name = format!("{}:{}", recipe_name, task_name);
			tasks.0.insert(full_name, task);
		}
	}

	let mut rsv = resolve::Resolver::new(&tasks);

	rsv.add_goal(&"ls:build".to_string())?;
	let taskset = rsv.to_taskset();

	let (runnable, queued): (HashSet<TaskRef>, HashSet<TaskRef>) = taskset
		.into_iter()
		.partition(|id| tasks.get(id).unwrap().depends.is_empty());

	for t in &runnable {
		println!("Runnable: {} ({:?})", t, tasks.get(t).unwrap().run);
	}
	for t in &queued {
		println!("Queued: {} ({:?})", t, tasks.get(t).unwrap().run);
	}

	Ok(())
}