From 16a652366e3a4bb92936e9586ef60fa50db830a4 Mon Sep 17 00:00:00 2001
From: Marco <mgross@sw-gross.de>
Date: Tue, 7 May 2024 23:31:25 +0200
Subject: [PATCH] Introduce handler to get lobby info from passphrase

---
 api/lobby_info.go   |  7 +++++++
 api/passphrase.go   |  5 +++++
 go.mod              |  1 -
 handler/handler.go  | 34 ++++++++++++++++++++++++++++++++++
 main.go             |  1 +
 utils/passphrase.go |  4 ++++
 6 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 api/lobby_info.go
 create mode 100644 api/passphrase.go
 create mode 100644 handler/handler.go

diff --git a/api/lobby_info.go b/api/lobby_info.go
new file mode 100644
index 0000000..149bf20
--- /dev/null
+++ b/api/lobby_info.go
@@ -0,0 +1,7 @@
+package api
+
+import "github.com/google/uuid"
+
+type LobbyInfo struct {
+	ID *uuid.UUID `json:"id,omitempty"`
+}
diff --git a/api/passphrase.go b/api/passphrase.go
new file mode 100644
index 0000000..c50b803
--- /dev/null
+++ b/api/passphrase.go
@@ -0,0 +1,5 @@
+package api
+
+type Passphrase struct {
+	Value *string `json:"value,omitempty"`
+}
diff --git a/go.mod b/go.mod
index 6577234..901fad6 100644
--- a/go.mod
+++ b/go.mod
@@ -22,7 +22,6 @@ require (
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-playground/validator/v10 v10.20.0 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
-	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
 	github.com/leodido/go-urn v1.4.0 // indirect
diff --git a/handler/handler.go b/handler/handler.go
new file mode 100644
index 0000000..f3cf24e
--- /dev/null
+++ b/handler/handler.go
@@ -0,0 +1,34 @@
+package handler
+
+import (
+	"mchess_server/api"
+	lobbies "mchess_server/lobby_registry"
+	"mchess_server/utils"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+func GetLobbyFromPassphraseHandler(c *gin.Context) {
+	reqPassphrase := api.Passphrase{}
+
+	err := c.ShouldBindJSON(&reqPassphrase)
+	if err != nil || reqPassphrase.Value == nil || *reqPassphrase.Value == "" {
+		c.IndentedJSON(http.StatusNotFound, reqPassphrase)
+		return
+	}
+
+	lobby := lobbies.GetLobbyRegistry().GetLobbyByPassphrase(
+		utils.NewPassphraseFromString(*reqPassphrase.Value))
+
+	if lobby == nil {
+		c.IndentedJSON(http.StatusNotFound, reqPassphrase)
+		return
+	}
+
+	lobbyInfo := api.LobbyInfo{
+		ID: &lobby.Uuid,
+	}
+
+	c.IndentedJSON(http.StatusOK, lobbyInfo)
+}
diff --git a/main.go b/main.go
index a2432ef..71f353e 100644
--- a/main.go
+++ b/main.go
@@ -40,6 +40,7 @@ func main() {
 	router.POST("/api/joinPrivate", joinPrivateGame)
 	router.GET("/api/ws", registerWebSocketConnection)
 
+	debugMode = true
 	if debugMode {
 		log.Println("Starting service WITHOUT TLS")
 		log.Fatal(router.Run(":8080"))
diff --git a/utils/passphrase.go b/utils/passphrase.go
index d0762d0..1cbf6d9 100644
--- a/utils/passphrase.go
+++ b/utils/passphrase.go
@@ -20,6 +20,10 @@ func NewPassphrase() Passphrase {
 	return Passphrase(strings.TrimSpace(phrase))
 }
 
+func NewPassphraseFromString(s string) Passphrase {
+	return Passphrase(s)
+}
+
 func (p Passphrase) String() string {
 	return string(p)
 }