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#[macro_use]
extern crate log;
extern crate chrono;
extern crate clap;
extern crate spa;
use chrono::prelude::*;
use clap::{Arg, Command};
use env_logger::Env;
use spa::{sunrise_and_set, StdFloatOps};
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 = Command::new("sctd")
.version(option_env!("CARGO_PKG_VERSION").unwrap_or("N/A"))
.about("set color temperature daemon")
.arg(
Arg::new("latitude")
.long("latitude")
.value_name("LATITUDE")
.help("Latitude coordinate")
.allow_hyphen_values(true),
)
.arg(
Arg::new("longitude")
.long("longitude")
.value_name("LONGITUDE")
.help("Longitude coordinate")
.allow_hyphen_values(true),
)
.arg(
Arg::new("reset")
.long("reset")
.help("Reset temperature")
.action(clap::ArgAction::SetTrue),
)
.get_matches();
if matches.get_flag("reset") {
sctd::reset_temp();
} else {
let latitude: f64 = matches
.get_one::<String>("latitude")
.expect("latitude is required")
.parse()
.expect("latitude must be a valid number");
let longitude: f64 = matches
.get_one::<String>("longitude")
.expect("longitude is required")
.parse()
.expect("longitude must be a valid number");
let mut temp = 0;
loop {
let utc: DateTime<Utc> = Utc::now();
match sunrise_and_set::<StdFloatOps>(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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