From cb499d4f015d4a9cd252133a3b3f6a52de333255 Mon Sep 17 00:00:00 2001
From: Evgeny Zinoviev <me@ch1p.io>
Date: Fri, 7 May 2021 03:37:53 +0300
Subject: fix json representation of enum values

---
 src/p18/response.h | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/src/p18/response.h b/src/p18/response.h
index f9585d3..9dfebb1 100644
--- a/src/p18/response.h
+++ b/src/p18/response.h
@@ -82,9 +82,29 @@ public:
 
     inline json toJSON() const {
         json j;
-        std::visit([&j](const auto& elem) {
-            j = elem;
+        bool isEnum =
+            std::holds_alternative<p18::BatteryType>(v_) ||
+            std::holds_alternative<p18::BatteryPowerDirection>(v_) ||
+            std::holds_alternative<p18::ChargerSourcePriority>(v_) ||
+            std::holds_alternative<p18::DC_AC_PowerDirection>(v_) ||
+            std::holds_alternative<p18::InputVoltageRange>(v_) ||
+            std::holds_alternative<p18::LinePowerDirection>(v_) ||
+            std::holds_alternative<p18::MachineType>(v_) ||
+            std::holds_alternative<p18::MPPTChargerStatus>(v_) ||
+            std::holds_alternative<p18::Topology>(v_) ||
+            std::holds_alternative<p18::OutputSourcePriority>(v_) ||
+            std::holds_alternative<p18::OutputModelSetting>(v_) ||
+            std::holds_alternative<p18::ParallelConnectionStatus>(v_) ||
+            std::holds_alternative<p18::SolarPowerPriority>(v_) ||
+            std::holds_alternative<p18::WorkingMode>(v_);
+
+        std::visit([&j, &isEnum](const auto& elem) {
+            if (isEnum)
+                j = formatter::to_str(elem);
+            else
+                j = elem;
         }, v_);
+
         return j;
     }
 };
-- 
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