From 940d7bd48d927c130e5367825931080d3407e0ad Mon Sep 17 00:00:00 2001
From: Scott Baker <scott@perturb.org>
Date: Fri, 10 Mar 2023 10:17:01 -0800
Subject: [PATCH] Add MAC/Uptime to HTML

---
 src/WebOTA.cpp | 32 +++++++++++++++++++++++++++++---
 src/WebOTA.h   |  1 +
 2 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/src/WebOTA.cpp b/src/WebOTA.cpp
index b30aaf0..b475260 100644
--- a/src/WebOTA.cpp
+++ b/src/WebOTA.cpp
@@ -106,7 +106,8 @@ const char INDEX_HTML[] PROGMEM = R"!^!(
 
 	<p>
 		<b>Board:</b> %s<br />
-		<b>Flash:</b> %0.1f KB
+		<b>MAC:</b> %s<br />
+		<b>Uptime:</b> %s<br />
 	</p>
 
 	<div>
@@ -220,7 +221,7 @@ int WebOTA::add_http_routes(WebServer *server, const char *path) {
 		if (this->custom_html != NULL) {
 			html = this->custom_html;
 		} else {
-			uint32_t maxSketchSpace = this->max_sketch_size();
+			//uint32_t maxSketchSpace = this->max_sketch_size();
 
 			#if defined(ESP8266)
 				const char* BOARD_NAME  = "ESP8266";
@@ -230,8 +231,11 @@ int WebOTA::add_http_routes(WebServer *server, const char *path) {
 				const char* BOARD_NAME  = "Unknown";
 			#endif
 
+			String uptime_str    = human_time(millis() / 1000);
+			const char* mac_addr = WiFi.macAddress().c_str();
+
 			char buf[1024];
-			snprintf_P(buf, sizeof(buf), INDEX_HTML, WEBOTA_VERSION, BOARD_NAME, maxSketchSpace / float(1024));
+			snprintf_P(buf, sizeof(buf), INDEX_HTML, WEBOTA_VERSION, BOARD_NAME, mac_addr, uptime_str.c_str());
 
 			html = buf;
 		}
@@ -339,6 +343,28 @@ String ip2string(IPAddress ip) {
 	return ret;
 }
 
+String WebOTA::human_time(uint32_t sec) {
+    int days = (sec / 86400);
+    sec = sec % 86400;
+    int hours = (sec / 3600);
+    sec = sec % 3600;
+    int mins  = (sec / 60);
+    sec = sec % 60;
+
+	char buf[20] = "";
+	if (days) {
+        snprintf(buf, sizeof(buf), "%d days %d hours\n", days, hours);
+    } else if (hours) {
+        snprintf(buf, sizeof(buf), "%d hours %d minutes\n", hours, mins);
+    } else {
+        snprintf(buf, sizeof(buf), "%d minutes %d seconds\n", mins, sec);
+    }
+
+	String ret = buf;
+
+	return ret;
+}
+
 int init_wifi(const char *ssid, const char *password, const char *mdns_hostname) {
 	WiFi.mode(WIFI_STA);
 	WiFi.begin(ssid, password);
diff --git a/src/WebOTA.h b/src/WebOTA.h
index 3ab856a..4705e8b 100644
--- a/src/WebOTA.h
+++ b/src/WebOTA.h
@@ -33,6 +33,7 @@ class WebOTA {
 		bool init_has_run;
 		char const * custom_html = NULL;
 		String get_ota_html();
+		String human_time(uint32_t sec);
 		long max_sketch_size();
 };