From 9d2faf4e4c3fb2961964200b511a2937f7730bcd Mon Sep 17 00:00:00 2001
From: Marcus <marcus@deltalima.org>
Date: Sat, 19 Oct 2024 00:27:33 +0200
Subject: [PATCH] LittleFS Json config save and load somewhat working

---
 Arduino/CanGrow/CanGrow.ino                |  5 ++-
 Arduino/CanGrow/include/CanGrow.h          |  2 +-
 Arduino/CanGrow/include/CanGrow_LittleFS.h | 43 ++++++++++++++++++++--
 3 files changed, 44 insertions(+), 6 deletions(-)

diff --git a/Arduino/CanGrow/CanGrow.ino b/Arduino/CanGrow/CanGrow.ino
index a7b175a..713b0f0 100644
--- a/Arduino/CanGrow/CanGrow.ino
+++ b/Arduino/CanGrow/CanGrow.ino
@@ -124,6 +124,8 @@ void setup() {
 
   LFS_init();
   Serial.printf(":: Before config.test: %s\n", config.test);
+  Serial.print(":: Before configWifi.ssid: ");
+  Serial.println(configWifi.ssid);
   loadConfig();
   if(!existFile(CANGROW_CFG)) {
     writeFile(CANGROW_CFG, "asd");
@@ -132,7 +134,8 @@ void setup() {
   }
   
   Serial.printf(":: After config.test: %s\n", config.test);
-  
+  Serial.print(":: After configWifi.ssid: ");
+  Serial.println(configWifi.ssid);
   // read the configfile from LittleFS
 /*  File lfs_configfile = LittleFS.open(configfile, "r");
   if(!lfs_configfile) {
diff --git a/Arduino/CanGrow/include/CanGrow.h b/Arduino/CanGrow/include/CanGrow.h
index d4ac8e4..9b0ee71 100644
--- a/Arduino/CanGrow/include/CanGrow.h
+++ b/Arduino/CanGrow/include/CanGrow.h
@@ -75,7 +75,7 @@ Config_Grow configGrow;
 
 
 struct Config {
-  char test[16] = "123";
+  char test[16] = "456";
 };
 
 Config config;
diff --git a/Arduino/CanGrow/include/CanGrow_LittleFS.h b/Arduino/CanGrow/include/CanGrow_LittleFS.h
index e3c84fe..6dfeb76 100644
--- a/Arduino/CanGrow/include/CanGrow_LittleFS.h
+++ b/Arduino/CanGrow/include/CanGrow_LittleFS.h
@@ -148,6 +148,7 @@ void deleteFile(const char *path) {
 }
 
 // https://arduinojson.org/v7/example/config/
+// https://arduinojson.org/v7/assistant/
 bool loadConfig() {
   #ifdef ESP8266
   File file = LittleFS.open(CANGROW_CFG, "r");
@@ -170,11 +171,45 @@ bool loadConfig() {
     }
     return false;
   }
+  
+  /*
+   * put json values into config structs
+   */
     
-  // Copy values from the JsonDocument to the Config
-  strlcpy(config.test,
-          doc["test"] | "test456",
-          sizeof(config.test));
+  // Copy strings from the JsonDocument to the Config struct as char
+  strlcpy(config.test, doc["test"], sizeof(config.test));
+  
+  // * WiFi *
+  JsonObject objWifi = doc["wifi"][0];
+  strlcpy(configWifi.ssid, objWifi["ssid"], sizeof(configWifi.ssid));
+  strlcpy(configWifi.password, objWifi["password"], sizeof(configWifi.password));
+  strlcpy(configWifi.ip, objWifi["ip"], sizeof(configWifi.ip));
+  strlcpy(configWifi.netmask, objWifi["netmask"], sizeof(configWifi.netmask));
+  strlcpy(configWifi.gateway, objWifi["gateway"], sizeof(configWifi.gateway));
+  strlcpy(configWifi.dns, objWifi["dns"], sizeof(configWifi.dns));
+  // Copy bool / int directly into struct
+  configWifi.dhcp = objWifi["dhcp"];
+  
+  // * System *
+  JsonObject objSystem = doc["system"][0];
+  configSystem.ntpOffset = objSystem["ntpOffset"];
+  configSystem.maintenanceDuration = objSystem["maintenanceDuration"];
+  strlcpy(configSystem.esp32camIp, objSystem["esp32camIp"], sizeof(configSystem.esp32camIp));
+  
+  // * Grow *
+  JsonObject objGrow = doc["grow"][0];
+  strlcpy(configGrow.growName, objGrow["growName"], sizeof(configGrow.growName));
+  configGrow.dayOfGrow = objGrow["dayOfGrow"];
+  configGrow.daysVeg = objGrow["daysVeg"];
+  configGrow.daysBloom = objGrow["daysBloom"];
+  configGrow.lightHoursVeg = objGrow["lightHoursVeg"];
+  configGrow.lightHoursBloom = objGrow["lightHoursBloom"];
+  configGrow.sunriseHour = objGrow["sunriseHour"];
+  configGrow.sunriseMinute = objGrow["sunriseMinute"];
+  configGrow.sunFade = objGrow["sunFade"];
+  configGrow.sunFadeDuration = objGrow["sunFadeDuration"];
+
+
 
   // Close the file (Curiously, File's destructor doesn't close the file)
   file.close();