From 31eaf0ad3fdce283652fb39656b9e297c5927a0e Mon Sep 17 00:00:00 2001
From: Pijus Kamandulis <pkpjuklas@gmail.com>
Date: Wed, 14 Feb 2024 01:47:51 +0200
Subject: [PATCH] Added support for using cosmosdb-explorer

---
 api/config/config.go     | 29 +++++++++++++++++++++++++----
 api/config/models.go     |  6 ++++++
 api/handlers/explorer.go | 29 +++++++++++++++++++++++++++++
 api/router.go            |  2 ++
 main.go                  |  8 ++++++--
 5 files changed, 68 insertions(+), 6 deletions(-)
 create mode 100644 api/handlers/explorer.go

diff --git a/api/config/config.go b/api/config/config.go
index 2611105..52a9917 100644
--- a/api/config/config.go
+++ b/api/config/config.go
@@ -1,7 +1,28 @@
 package config
 
-var Config = ServerConfig{
-	DatabaseAccount:  "localhost",
-	DatabaseDomain:   "localhost",
-	DatabaseEndpoint: "https://localhost:8081/",
+import (
+	"flag"
+	"fmt"
+)
+
+var Config = ServerConfig{}
+
+func ParseFlags() {
+	host := flag.String("Host", "localhost", "Hostname")
+	port := flag.Int("Port", 8081, "Listen port")
+	explorerPath := flag.String("ExplorerDir", "/home/pk/pro/cosmos-explorer/dist", "Path to cosmos-explorer files")
+	tlsCertificatePath := flag.String("Cert", "../example.crt", "Hostname")
+	tlsCertificateKey := flag.String("CertKey", "../example.key", "Hostname")
+
+	flag.Parse()
+
+	Config.Host = *host
+	Config.Port = *port
+	Config.ExplorerPath = *explorerPath
+	Config.TLS_CertificatePath = *tlsCertificatePath
+	Config.TLS_CertificateKey = *tlsCertificateKey
+
+	Config.DatabaseAccount = Config.Host
+	Config.DatabaseDomain = Config.Host
+	Config.DatabaseEndpoint = fmt.Sprintf("https://%s:%d/", Config.Host, Config.Port)
 }
diff --git a/api/config/models.go b/api/config/models.go
index bdbcb0c..e7b98f1 100644
--- a/api/config/models.go
+++ b/api/config/models.go
@@ -4,4 +4,10 @@ type ServerConfig struct {
 	DatabaseAccount  string
 	DatabaseDomain   string
 	DatabaseEndpoint string
+
+	ExplorerPath        string
+	Port                int
+	Host                string
+	TLS_CertificatePath string
+	TLS_CertificateKey  string
 }
diff --git a/api/handlers/explorer.go b/api/handlers/explorer.go
new file mode 100644
index 0000000..1b18376
--- /dev/null
+++ b/api/handlers/explorer.go
@@ -0,0 +1,29 @@
+package handlers
+
+import (
+	"fmt"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pikami/cosmium/api/config"
+)
+
+func RegisterExplorerHandlers(router *gin.Engine) {
+	explorer := router.Group("/_explorer")
+	{
+		explorer.Use(func(ctx *gin.Context) {
+			if ctx.Param("filepath") == "/config.json" {
+				endpoint := fmt.Sprintf("https://%s:%d", config.Config.Host, config.Config.Port)
+				ctx.JSON(200, gin.H{
+					"BACKEND_ENDPOINT":       endpoint,
+					"MONGO_BACKEND_ENDPOINT": endpoint,
+					"PROXY_PATH":             "/",
+					"EMULATOR_ENDPOINT":      endpoint,
+				})
+				ctx.Abort()
+			} else {
+				ctx.Next()
+			}
+		})
+		explorer.Static("/", config.Config.ExplorerPath)
+	}
+}
diff --git a/api/router.go b/api/router.go
index 14ab16c..9dea0a6 100644
--- a/api/router.go
+++ b/api/router.go
@@ -35,5 +35,7 @@ func CreateRouter() *gin.Engine {
 	router.GET("/offers", handlers.GetOffers)
 	router.GET("/", handlers.GetServerInfo)
 
+	handlers.RegisterExplorerHandlers(router)
+
 	return router
 }
diff --git a/main.go b/main.go
index 266ca83..6669780 100644
--- a/main.go
+++ b/main.go
@@ -4,11 +4,15 @@ import (
 	"fmt"
 
 	"github.com/pikami/cosmium/api"
+	"github.com/pikami/cosmium/api/config"
 )
 
 func main() {
-	fmt.Println("Hello world")
+	config.ParseFlags()
 
 	router := api.CreateRouter()
-	router.RunTLS(":8081", "../example.crt", "../example.key")
+	router.RunTLS(
+		fmt.Sprintf(":%d", config.Config.Port),
+		config.Config.TLS_CertificatePath,
+		config.Config.TLS_CertificateKey)
 }