use shared::intcode::{IntCode, SimulateStep};

fn run_checks(mut ic: IntCode) {
	ic.next_input = Some(1);
	loop {
		match ic.simulate_step() {
			SimulateStep::Finished => break,
			SimulateStep::Output(o) => println!("Check output: {}", o),
			SimulateStep::WaitForInput => panic!("No further input"),
		}
	}
}

fn main() {
	let mut ic = include_str!("input.txt").parse::<IntCode>().unwrap();
	run_checks(ic.clone());

	ic.next_input = Some(2);
	println!("BOOST: {}", ic.simulate_step().expect_output());
}

#[cfg(test)]
mod day9test {
	use super::*;

	#[test]
	fn examples1() {
		assert_eq!(
			"109,1,204,-1,1001,100,1,100,1008,100,16,101,1006,101,0,99".parse::<IntCode>().unwrap().simulate_io(None),
			[109,1,204,-1,1001,100,1,100,1008,100,16,101,1006,101,0,99],
		);
		assert_eq!(
			"1102,34915192,34915192,7,4,7,99,0".parse::<IntCode>().unwrap().simulate_io(None),
			[1219070632396864], // "16-digit number"
		);
		assert_eq!(
			"104,1125899906842624,99".parse::<IntCode>().unwrap().simulate_io(None),
			[1125899906842624],
		);
	}

	#[test]
	fn examples2() {
		// no examples
	}
}