From f76bddbb4568aa7dc0d75abc805bde175c39a952 Mon Sep 17 00:00:00 2001
From: Jarno Rankinen <jarno@oranki.net>
Date: Fri, 24 Feb 2023 22:52:13 +0200
Subject: [PATCH] gh-10 read/write single coil api method

GET /api/v1/coils/N
- read coil N (int)
POST /api/v1/coils/N/VAL
- set coil N (int) to VAL, VAL can be one of accepted values for
  strconv.ParseBool (1 or 0 is the simplest)
---
 enervent-ctrl-go/coils.csv              |  2 +-
 enervent-ctrl-go/main.go                | 36 ++++++++++++++++++++++++-
 enervent-ctrl-go/pingvinKL/pingvinKL.go |  1 +
 3 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/enervent-ctrl-go/coils.csv b/enervent-ctrl-go/coils.csv
index 452f605..d4e9964 100644
--- a/enervent-ctrl-go/coils.csv
+++ b/enervent-ctrl-go/coils.csv
@@ -9,7 +9,7 @@
 8;COIL_CO2_BOOST_EN;CO2 boosting enabled
 9;COIL_RH_BOOST_EN;Relative humidity boosting enabled
 10;COIL_M_BOOST;Boost the fanspeeds to 100% for a period of time
-11;COIL_TEMP_BOOST_EN;Temperature boosting enabled
+11;COIL_TEMP_BOOST_EN;Adaptive circulation fan speed enabled
 12;COIL_SNC;Summer night cooling (SNC) function enabled.
 13;-;-
 14;-;-
diff --git a/enervent-ctrl-go/main.go b/enervent-ctrl-go/main.go
index a2bc271..81d8fab 100644
--- a/enervent-ctrl-go/main.go
+++ b/enervent-ctrl-go/main.go
@@ -6,6 +6,8 @@ import (
 	"io/fs"
 	"log"
 	"net/http"
+	"strconv"
+	"strings"
 
 	"github.com/0ranki/enervent-ctrl/enervent-ctrl-go/pingvinKL"
 )
@@ -24,9 +26,41 @@ var (
 
 func coils(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode(pingvin.Coils)
+	pathparams := strings.Split(strings.TrimPrefix(r.URL.Path, "/api/v1/coils/"), "/")
+	if len(pathparams[0]) == 0 {
+		json.NewEncoder(w).Encode(pingvin.Coils)
+	} else if len(pathparams[0]) > 0 && r.Method == "GET" && len(pathparams) < 2 { // && r.Method == "POST"
+		intaddr, err := strconv.Atoi(pathparams[0])
+		if err != nil {
+			log.Println("ERROR: Could not parse coil address", pathparams[0])
+			log.Println(err)
+			return
+		}
+		pingvin.ReadCoil(uint16(intaddr))
+		json.NewEncoder(w).Encode(pingvin.Coils[intaddr])
+	} else if len(pathparams[0]) > 0 && r.Method == "POST" && len(pathparams) == 2 {
+		intaddr, err := strconv.Atoi(pathparams[0])
+		if err != nil {
+			log.Println("ERROR: Could not parse coil address", pathparams[0])
+			log.Println(err)
+			return
+		}
+		boolval, err := strconv.ParseBool(pathparams[1])
+		if err != nil {
+			log.Println("ERROR: Could not parse coil value", pathparams[1])
+			log.Println(err)
+			return
+		}
+		pingvin.WriteCoil(uint16(intaddr), boolval)
+		json.NewEncoder(w).Encode(pingvin.Coils[intaddr])
+	}
 }
 
+// func singlecoil(w http.ResponseWriter, r *http.Request) {
+// 	w.Header().Set("Content-Type", "application/json")
+
+// }
+
 func registers(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json")
 	if DEBUG {
diff --git a/enervent-ctrl-go/pingvinKL/pingvinKL.go b/enervent-ctrl-go/pingvinKL/pingvinKL.go
index e665654..6abfb92 100644
--- a/enervent-ctrl-go/pingvinKL/pingvinKL.go
+++ b/enervent-ctrl-go/pingvinKL/pingvinKL.go
@@ -284,6 +284,7 @@ func (p *PingvinKL) WriteCoil(n uint16, val bool) bool {
 		return false
 
 	}
+	p.ReadCoil(n)
 	return true
 }