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rulebot/src/main.rs

72 lines
1.7 KiB
Rust

use rand::Rng;
type State = [bool; 8];
fn map_state(rule: u8, state: &State) -> State {
let mut new_state: [bool; 8] = [false; 8];
for i in 0..8 {
let pattern = ((i != 0 && state[i - 1]) as u8 * 4)
| (state[i] as u8 * 2)
| ((i != 7 && state[i + 1]) as u8);
new_state[i] = (rule >> pattern & 1) == 1;
}
new_state
}
fn state_to_string(state: State) -> String {
state.map(|c| if c { "⬛" } else { "⬜" }).concat()
}
fn num_to_state(num: u8) -> State {
let mut state = [false; 8];
for i in 0..8 {
state[i] = (num >> i & 1) == 1;
}
state
}
fn main() {
let mut rng = rand::thread_rng();
let seed: u16 = rng.gen();
let rule: u8 = (seed & 0xff) as u8;
let init_state = num_to_state((seed >> 8 & 0xff) as u8);
let states: String = (0..8)
.scan(init_state, |state, _i| {
let old_state = *state;
*state = map_state(rule, state);
Some(old_state)
})
.map(state_to_string)
.collect::<Vec<String>>()
.join("\n");
println!("Rule: {}\n{}", rule, states);
let client = reqwest::blocking::Client::new();
let res = client
.post("https://mastodon.raptorpond.com/api/v1/statuses")
.header(
"Authorization",
format!("Bearer {}", std::env::var("MASTODON_TOKEN").unwrap()),
)
.form(&[
("status", format!("Rule: {}\n{}", rule, states)),
("visibility", String::from("private")),
])
.send();
match res {
Ok(_) => std::process::exit(exitcode::OK),
Err(error) => {
println!("{:?}", error);
std::process::exit(exitcode::IOERR);
}
}
}