src/main.rs


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use std::io::prelude::*;
use std::io::stdin;

mod command;
mod json;
mod geometry;
mod game;
mod strategy;

use command::Command;
use strategy::choose_move;

fn main() {
    let mut game_board = None;
    for line in stdin().lock().lines() {
        let round_number = line.expect("Failed to read line from stdin: {}");
        
        let command =
            match json::read_state_from_json_file(&format!("./rounds/{}/state.json", round_number)) {
                Ok(json_state) => {
                    match &mut game_board {
                        None => {
                            let new_board = game::GameBoard::new(json_state);
                            let command = choose_move(&new_board);
                            game_board = Some(new_board);
                            command
                        },
                        Some(game_board) => {
                            game_board.update(json_state);
                            choose_move(&game_board)
                        }
                    }
                },
                Err(e) => {
                    eprintln!("WARN: State file could not be parsed: {}", e);
                    Command::DoNothing
                }
            };
        println!("C;{};{}", round_number, command);
    }
}