diff --git a/app/logged.html b/app/logged.html
index 3b57988..c8e056c 100644
--- a/app/logged.html
+++ b/app/logged.html
@@ -8,7 +8,7 @@
 </head>
 <body>
     <main>
-        <button class="close" onclick="sys.call('window::close')">
+        <button class="close" onclick="system.call('window::close')">
             <i class="fas fa-times"></i>
         </button>
         <nav hidden>
diff --git a/config.json b/config.json
index b9dd8c9..7701d56 100644
--- a/config.json
+++ b/config.json
@@ -5,5 +5,19 @@
             "fileHash": "/api/v1/file/hash/",
             "checkBanStatus": "/api/v1/ban/iam"
         }
+    },
+    "minecraft": {
+        "server": {
+            "host": "mc.thealfiperf.com",
+            "port": 3145
+        },
+        "services": {
+            "api": {
+                "base": "https://api.minecraftservices.com",
+                "endpoints": {
+                    "uploadSkin": "/minecraft/profile/skins"
+                }
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/main.js b/main.js
index d05d711..300ed11 100644
--- a/main.js
+++ b/main.js
@@ -2,8 +2,9 @@ const { BrowserWindow, app, net, dialog, ipcMain, nativeImage } = require("elect
 const os = require("os")
 const hwid = require("./modules/hwid")
 const path = require("node:path")
+const serverPing = require("./modules/serverPing")
 const config = require("./config.json")
-let launcherWindow
+let launcherWindow, auth, skinPath
 
 async function createLauncherWindow() {
     if (net.isOnline()) {
@@ -80,7 +81,7 @@ app.on("window-all-closed", () => {
     app.quit()
 })
 
-ipcMain.on("call", (event, data) => {
+ipcMain.on("call", async (event, data) => {
     switch (data.method) {
         case "hardware::ramInformation":
             launcherWindow.webContents.send("hardware::ramInformation", {
@@ -88,5 +89,29 @@ ipcMain.on("call", (event, data) => {
                 avaibleRam: Math.round(os.freemem() / 1024 / 1024 * 100) / 100,
             })
             break
+        case "server::ping":
+            const status = await serverPing.fetchServerStatus()
+            launcherWindow.webContents.send("Response<server::ping>", status)
+            break
+        case "window::close":
+            launcherWindow.close()
+            app.quit()
+            break
+        case "skin::set":
+            const file = await dialog.showOpenDialog(launcherWindow, {
+                filters: [
+                    { name: "Images", extensions: ["png", "jpg", "jpeg"] }
+                ],
+                properties: ["openFile", "dontAddToRecent", "showHiddenFiles"],
+                title: "Sélectionner l'image de votre skin",
+                securityScopedBookmarks: true
+            })
+            if (!file.canceled) {
+                skinPath = file.filePaths[0]
+            }
+            break
+        case "skin::reset":
+            skinPath = null
+            break
     }
 })
\ No newline at end of file
diff --git a/modules/gameSettings.js b/modules/gameSettings.js
new file mode 100644
index 0000000..8ed46f5
--- /dev/null
+++ b/modules/gameSettings.js
@@ -0,0 +1,43 @@
+const fs = require("node:fs")
+const path = require("node:path")
+
+function parseSettings(settingsFile) {
+    const settings = fs.readFileSync(settingsFile, "utf-8").toString().split("\n").filter(line => line.trim() !== "")
+    const parseSettings = {}
+    for (let i = 0; i < settings.length; i++) {
+        const line = settings[i].trim()
+        const [key, value] = line.split(":")
+        if (key && value) {
+            const trimmedValue = value.trim().toLowerCase()
+            if (trimmedValue === "true" || trimmedValue === "false") {
+                parseSettings[key.trim()] = trimmedValue === "true"
+            } else {
+                parseSettings[key.trim()] = isNaN(value) ? value.trim() : parseInt(value, 10)
+            }
+        }
+    }
+    return parseSettings
+}
+
+function stringfySettings(settingsFile) {
+    const settingsObject = JSON.parse(fs.readFileSync(settingsFile, "utf-8").toString())
+    const settingsArray = []
+    if (typeof settingsObject !== "object" || settingsObject === null) {
+        throw new Error("Invalid settings object")
+    }
+    for (const settingKey in settingsObject) {
+        if (Object.prototype.hasOwnProperty.call(settingsObject, settingKey)) {
+            const settingValue = settingsObject[settingKey]
+            if (typeof settingValue === "object" || typeof settingValue === "function" || typeof settingValue === "symbol") {
+                throw new Error(`Invalid value for setting "${settingKey}": ${settingValue}`)
+            }
+            settingsArray.push(`${settingKey}:${settingValue}`)
+        }
+    }
+    return settingsArray.join("\n")
+}
+
+module.exports = {
+    parseSettings,
+    stringfySettings
+}
\ No newline at end of file
diff --git a/modules/mojangAPI.js b/modules/mojangAPI.js
new file mode 100644
index 0000000..ac5cff4
--- /dev/null
+++ b/modules/mojangAPI.js
@@ -0,0 +1,26 @@
+const fs = require("node:fs")
+const path = require("node:path")
+const config = require("../config.json")
+
+async function uploadSkin(filePath, variant, token) {
+    const form = new FormData()
+    form.append("variant", variant)
+    form.append("file", fs.readFileSync(filePath), path.parse(filePath).base)
+    const response = await fetch(`${config.minecraft.services.api.base}${config.minecraft.services.api.endpoints.uploadSkin}`, {
+        method: "POST",
+        body: form,
+        headers: {
+            Authorization: `Bearer ${token}`
+        }
+    })
+    if (response.ok) {
+        const json = await response.json()
+        return json
+    } else {
+        throw new Error(`Error uploading skin: ${response.status} ${response.statusText}`)
+    }
+}
+
+module.exports = {
+    uploadSkin
+}
\ No newline at end of file
diff --git a/modules/serverPing.js b/modules/serverPing.js
new file mode 100644
index 0000000..da6e8e0
--- /dev/null
+++ b/modules/serverPing.js
@@ -0,0 +1,18 @@
+const config = require("../config.json")
+
+async function fetchServerStatus() {
+    const response = await fetch(`https://api.mcsrvstat.us/3/${config.minecraft.server.host}:${config.minecraft.server.port}`)
+    const json = await response.json()
+    return {
+        online: json.online,
+        players: {
+            online: json.players.online || 0,
+            max: json.players.max || 0
+        }
+    }
+    
+}
+
+module.exports = {
+    fetchServerStatus
+}
\ No newline at end of file
