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#[macro_use]
extern crate log;
extern crate chrono;
extern crate clap;
extern crate spa;
use chrono::prelude::*;
use clap::{value_t_or_exit, App, Arg};
use env_logger::Env;
use spa::calc_sunrise_and_set;
use std::thread;
use std::time::Duration;
fn main() {
let env = Env::default().filter_or("SCTD_LOG_LEVEL", "info");
env_logger::init_from_env(env);
let matches = App::new("sctd")
.version("0.3.0")
.about("set color temperature daemon")
.arg(
Arg::with_name("latitude")
.long("latitude")
.takes_value(true)
.allow_hyphen_values(true),
)
.arg(
Arg::with_name("longitude")
.long("longitude")
.takes_value(true)
.allow_hyphen_values(true),
)
.arg(Arg::with_name("reset").long("reset"))
.get_matches();
if matches.is_present("reset") {
sctd::reset_temp();
} else {
let latitude = value_t_or_exit!(matches, "latitude", f64);
let longitude = value_t_or_exit!(matches, "longitude", f64);
let mut temp = 0;
loop {
let utc: DateTime<Utc> = Utc::now();
match calc_sunrise_and_set(utc, latitude, longitude) {
Ok(ss) => {
let new_temp = sctd::get_temp(utc, &ss, latitude, longitude) as u32;
if new_temp != temp {
temp = new_temp;
info!("setting temperature to {temp}");
sctd::set_temp(temp);
} else {
debug!("skipping temperature change as it hasn't changed ({temp})");
}
}
Err(e) => {
error!(
"error calculating sunrise and sunset for {latitude}, {longitude}: {e:?}"
);
}
}
thread::sleep(Duration::from_secs(5));
}
}
}
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