From 33ff4fa056a2cb774291549ac2bb9594c4fdf217 Mon Sep 17 00:00:00 2001
From: Theo Arends <11044339+arendst@users.noreply.github.com>
Date: Sun, 23 Jan 2022 12:29:06 +0100
Subject: [PATCH] Add undocumented JSON command

---
 tasmota/i18n.h              |  1 +
 tasmota/support_command.ino | 39 +++++++++++++++++++++++++++++++++++--
 2 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/tasmota/i18n.h b/tasmota/i18n.h
index a86d180e7..423011238 100644
--- a/tasmota/i18n.h
+++ b/tasmota/i18n.h
@@ -240,6 +240,7 @@
 
 // Commands tasmota.ino
 #define D_CMND_BACKLOG "Backlog"
+#define D_CMND_JSON "Json"
 #define D_CMND_DELAY "Delay"
 #define D_CMND_NODELAY "NoDelay"
 #define D_CMND_STATUS "Status"
diff --git a/tasmota/support_command.ino b/tasmota/support_command.ino
index 92274dc55..392bdddb9 100644
--- a/tasmota/support_command.ino
+++ b/tasmota/support_command.ino
@@ -42,7 +42,7 @@ const char kTasmotaCommands[] PROGMEM = "|"  // No prefix
 #endif  // USE_DEVICE_GROUPS_SEND
   D_CMND_DEVGROUP_SHARE "|" D_CMND_DEVGROUPSTATUS "|" D_CMND_DEVGROUP_TIE "|"
 #endif  // USE_DEVICE_GROUPS
-  D_CMND_SETSENSOR "|" D_CMND_SENSOR "|" D_CMND_DRIVER
+  D_CMND_SETSENSOR "|" D_CMND_SENSOR "|" D_CMND_DRIVER "|" D_CMND_JSON
 #ifdef ESP32
    "|Info|" D_CMND_TOUCH_CAL "|" D_CMND_TOUCH_THRES "|" D_CMND_TOUCH_NUM "|" D_CMND_CPU_FREQUENCY
 #endif  // ESP32
@@ -74,7 +74,7 @@ void (* const TasmotaCommand[])(void) PROGMEM = {
 #endif  // USE_DEVICE_GROUPS_SEND
   &CmndDevGroupShare, &CmndDevGroupStatus, &CmndDevGroupTie,
 #endif  // USE_DEVICE_GROUPS
-  &CmndSetSensor, &CmndSensor, &CmndDriver
+  &CmndSetSensor, &CmndSensor, &CmndDriver, &CmndJson
 #ifdef ESP32
   , &CmndInfo, &CmndTouchCal, &CmndTouchThres, &CmndTouchNum, &CmndCpuFrequency
 #endif  // ESP32
@@ -391,6 +391,41 @@ void CmndBacklog(void) {
   }
 }
 
+void CmndJson(void) {
+  // Json {"POWER":"OFF","Dimmer":100,"Color":"FFD908","HSBColor":"51,97,100","Channel":[100,85,3]}
+  JsonParser parser((char*)XdrvMailbox.data);
+  JsonParserObject root = parser.getRootObject();
+  if (root) {
+    String backlog;
+    for (auto command_key : root) {
+      const char *command = command_key.getStr();
+      JsonParserToken parameters = command_key.getValue();
+      if (parameters.isArray()) {
+        JsonParserArray parameter_arr = parameters.getArray();
+        uint32_t index = 1;
+        for (auto value : parameter_arr) {
+          if (backlog.length()) { backlog += ";"; }
+          backlog += command;
+          backlog += index++;
+          backlog += " ";
+          backlog += value.getStr();            // Channel1 100;Channel2 85;Channel3 3
+        }
+      } else {
+        if (backlog.length()) { backlog += ";"; }
+        backlog += command;
+        backlog += " ";
+        backlog += parameters.getStr();         // HSBColor 51,97,100
+      }
+    }
+    XdrvMailbox.data = (char*)backlog.c_str();  // Backlog commands
+    XdrvMailbox.data_len = 1;                   // Any data
+    XdrvMailbox.index = 0;                      // Backlog0 - no delay
+    CmndBacklog();
+  } else {
+    ResponseCmndChar(PSTR(D_JSON_EMPTY));
+  }
+}
+
 void CmndDelay(void)
 {
   if ((XdrvMailbox.payload >= (MIN_BACKLOG_DELAY / 100)) && (XdrvMailbox.payload <= 3600)) {