From 3da2da7d4b9e3d32258e868fce3b26beb90ad946 Mon Sep 17 00:00:00 2001
From: Greg Gauthier <greg.gauthier@ecs.co.uk>
Date: Tue, 16 Mar 2021 14:46:28 +0000
Subject: [PATCH] set up the ip reverse lookup for the api host, and start
 figuring out the json parsing

---
 browser.go  | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 stations.go |  6 ++++++
 2 files changed, 66 insertions(+)

diff --git a/browser.go b/browser.go
index 1110061..5bb66eb 100644
--- a/browser.go
+++ b/browser.go
@@ -1,3 +1,63 @@
 package main
 
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"log"
+	"math/rand"
+	"net"
+	"net/http"
+	"time"
+)
 
+//func BytesToString(b []byte) string {
+//	bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
+//	sh := reflect.StringHeader{bh.Data, bh.Len}
+//	return *(*string)(unsafe.Pointer(&sh))
+//}
+
+func ResponseToJson(resp io.ReadCloser) interface{} {
+	var jbody interface{}
+	err := json.NewDecoder(resp).Decode(&jbody)
+	if err != nil {
+		panic(err)
+	}
+	return jbody
+}
+
+func RandomIP(iplist []net.IP) net.IP {
+	rand.Seed(time.Now().Unix())
+	randomIndex := rand.Intn(len(iplist))
+	return iplist[randomIndex]
+}
+
+func nslookup(hostname string) net.IP {
+	iprecords, _ := net.LookupIP(hostname)
+	randomIp := RandomIP(iprecords)
+	return randomIp
+}
+
+func reverseLookup(ipAddr net.IP) string {
+	ptr, _ := net.LookupAddr(ipAddr.String())
+	return ptr[0]
+}
+
+func GetApiHost() string {
+	appHostIp := nslookup(api())
+	apiHost := reverseLookup(appHostIp)
+	return apiHost
+}
+
+func GetStations(qstring string) interface{} {
+	urlstr := fmt.Sprintf("https://%s/json/stations/search?%s&limit=100000",GetApiHost(),qstring)
+	resp, err := http.Get(urlstr)
+	if err != nil {
+		log.Printf(err.Error())
+	}
+	defer resp.Body.Close()
+	bodyJson := ResponseToJson(resp.Body)
+	//body, err := io.ReadAll(resp.Body)
+	//bodyString := bytes.NewBuffer(body).String()
+	return bodyJson
+}
\ No newline at end of file
diff --git a/stations.go b/stations.go
index 4810192..7567dda 100644
--- a/stations.go
+++ b/stations.go
@@ -32,4 +32,10 @@ func main(){
 		flag.Usage()
 	}
 
+	stations := GetStations("tag=chicago")
+	for station := range(len(stations)) {
+
+	}
+
+
 }
\ No newline at end of file