From 5b58040975cdaa95350d0575ff6b1dfc20241eed Mon Sep 17 00:00:00 2001
From: Brent Schroeter <contact@brentsch.com>
Date: Sat, 6 Sep 2025 12:31:29 -0700
Subject: [PATCH] move time zone selection to config.rs

---
 src/config.rs |  3 +++
 src/main.rs   | 11 +++++------
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/config.rs b/src/config.rs
index 1a08346..bc59158 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -9,6 +9,9 @@ pub(crate) const T_ON: &'static str = "17:00";
 /// End of "on" cycle for switch, in 24 hour "HH:MM" format.
 pub(crate) const T_OFF: &'static str = "09:00";
 
+/// Time zone for T_ON and T_OFF.
+pub(crate) const TZ: chrono_tz::Tz = chrono_tz::US::Pacific;
+
 /// Access point SSID.
 pub(crate) const WIFI_SSID: &'static str = "Example";
 
diff --git a/src/main.rs b/src/main.rs
index 2d346c8..8c773a3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,7 +2,6 @@ use std::default::Default;
 
 use anyhow::{bail, Result};
 use chrono::{NaiveTime, Utc};
-use chrono_tz::US::Pacific;
 use esp_idf_svc::{
     eventloop::EspSystemEventLoop,
     hal::{
@@ -44,12 +43,12 @@ fn main() -> Result<()> {
 
     // ======== Main Control Loop ======== //
     loop {
-        let now = Utc::now().with_timezone(&Pacific);
-        info!("Current time: {}", now);
+        let dt = Utc::now().with_timezone(&config::TZ);
+        info!("Current time: {}", dt);
 
-        let t = now.time();
+        let t = dt.time();
 
-        let active = match (t_on < t_off, t > t_on, t > t_off) {
+        let switch_active = match (t_on < t_off, t > t_on, t > t_off) {
             // Active period falls within single day, and t falls between t_on
             // and t_off.
             (true, true, false) => true,
@@ -61,7 +60,7 @@ fn main() -> Result<()> {
             _ => false,
         };
 
-        if active {
+        if switch_active {
             switch_driver.set_high()?;
         } else {
             switch_driver.set_low()?;