Handle send message bar in different situation

src/main/java/org/to/telegramfinalproject/Client/ActionHandler.java

@@ -446,7 +446,31 @@ public class ActionHandler {
         send(req);
     }
 
+    public void createGroupUI(String id, String name, String url, String user ){
+        JSONObject req = new JSONObject();
+        req.put("action", "create_group");
+        req.put("user_id", user);
+        req.put("group_id", id);
+        req.put("group_name", name);
+        req.put("image_url", url.isBlank() ? JSONObject.NULL : url);
 
+        send(req);
+
+    }
+
+
+    public void createChannelUI(String id, String name, String url , String user){
+
+        JSONObject req = new JSONObject();
+        req.put("action", "create_channel");
+        req.put("user_id", user);
+        req.put("channel_id", id);
+        req.put("channel_name", name);
+        req.put("image_url", url.isBlank() ? JSONObject.NULL : url);
+
+        send(req);
+
+    }
 
     public void createChannel() {
         String channelId = null;

src/main/java/org/to/telegramfinalproject/Client/TelegramClient.java

@@ -143,7 +143,7 @@ import java.util.concurrent.LinkedBlockingQueue;
 
 public class TelegramClient {
     private static final String SERVER_HOST = "localhost";
-    private static final int SERVER_PORT = 8000;
+    private static final int SERVER_PORT = 8080;
 
     private static TelegramClient instance;
 

src/main/java/org/to/telegramfinalproject/UI/ChatPageController.java

@@ -1,6 +1,7 @@
 package org.to.telegramfinalproject.UI;
 
 import javafx.application.Platform;
+import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.geometry.Side;
 import javafx.scene.control.*;
@@ -75,6 +76,25 @@ public class ChatPageController {
     @FXML
     private ImageView sendIcon;
 
+    // ===== For Searching System =====
+    @FXML private VBox composerPane;
+    @FXML private VBox joinPane;
+    @FXML private VBox addContactPane;
+
+    //For search handeling
+    @FXML private Button joinButton;
+    @FXML private Button addContactButton;
+
+    //Handle View chat
+    @FXML private Button unblockBtn;
+    @FXML private VBox readOnlyPane;
+    @FXML private Label readOnlyLabel;
+
+
+    private ChatViewMode currentMode = ChatViewMode.NORMAL;
+
+
+
     // ===== Time formatter for messages =====
     private static final DateTimeFormatter FMT_HHMM       = DateTimeFormatter.ofPattern("HH:mm");
     private static final DateTimeFormatter FMT_DATE_TIME  = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm");
@@ -533,40 +553,127 @@ public class ChatPageController {
         return new Image(url.toExternalForm());
     }
 
+//    public void showChat(ChatEntry entry) {
+//        this.currentChat = entry;
+//
+//        chatTitle.setText(entry.getName());
+//
+//        // آواتار پیش‌فرض بر اساس نوع
+//        // ChatPageController.showChat(...)
+//        if (entry.getImageUrl() != null && !entry.getImageUrl().isEmpty()) {
+//            Image img = AvatarLocalResolver.load(entry.getImageUrl());
+//            if (img != null) {
+//                userAvatar.setImage(img);
+//            } else {
+//                // ⬇️ فال‌بک بر اساس نوع
+//                setDefaultHeaderAvatarByType(entry.getType());
+//            }
+//        } else {
+//            setDefaultHeaderAvatarByType(entry.getType());
+//        }
+////        userAvatar.setClip(new Circle(20, 20, 20));
+//        AvatarFX.circleClip(userAvatar, 36);
+//
+//
+//
+//        fetchAndRenderHeader(entry);
+//
+//        // پیام‌ها
+//        messageContainer.getChildren().clear();
+//        loadMessages(entry);
+//        markAsRead(entry);
+//
+//        Platform.runLater(() -> messageInput.requestFocus());
+//    }
+
+//
+//    public void showChat(ChatEntry entry) {
+//        this.currentChat = entry;
+//        this.chatName = entry.getName(); // برای لاگ/منو
+//
+//        chatTitle.setText(entry.getName());
+//        if (entry.getImageUrl() != null && !entry.getImageUrl().isEmpty()) {
+//            Image img = AvatarLocalResolver.load(entry.getImageUrl());
+//            if (img != null) userAvatar.setImage(img); else setDefaultHeaderAvatarByType(entry.getType());
+//        } else {
+//            setDefaultHeaderAvatarByType(entry.getType());
+//        }
+//        AvatarFX.circleClip(userAvatar, 36);
+//
+//        fetchAndRenderHeader(entry);
+//
+//        messageContainer.getChildren().clear();
+//        loadMessages(entry);
+//        markAsRead(entry);
+//
+//        applyMode(ChatViewMode.NORMAL);
+//
+//        Platform.runLater(() -> messageInput.requestFocus());
+//    }
+
+
 public void showChat(ChatEntry entry) {
     this.currentChat = entry;
+    this.chatName = entry.getName();
 
     chatTitle.setText(entry.getName());
-
-        // آواتار پیش‌فرض بر اساس نوع
-        // ChatPageController.showChat(...)
     if (entry.getImageUrl() != null && !entry.getImageUrl().isEmpty()) {
         Image img = AvatarLocalResolver.load(entry.getImageUrl());
-            if (img != null) {
+        if (img != null) userAvatar.setImage(img); else setDefaultHeaderAvatarByType(entry.getType());
-                userAvatar.setImage(img);
-            } else {
-                // ⬇️ فال‌بک بر اساس نوع
-                setDefaultHeaderAvatarByType(entry.getType());
-            }
     } else {
         setDefaultHeaderAvatarByType(entry.getType());
     }
-//        userAvatar.setClip(new Circle(20, 20, 20));
     AvatarFX.circleClip(userAvatar, 36);
 
+    // حالت اولیه (بدون انتظار هدر)
+    if ("channel".equalsIgnoreCase(entry.getType())) {
+        boolean canPostLocal = entry.isOwner() || entry.isAdmin()
+                || (entry.getPermissions()!=null && entry.getPermissions().optBoolean("can_post", false));
+        applyMode(canPostLocal ? ChatViewMode.NORMAL : ChatViewMode.READ_ONLY);
+    } else {
+        applyMode(ChatViewMode.NORMAL);
+    }
 
-
-        fetchAndRenderHeader(entry);
-
-        // پیام‌ها
     messageContainer.getChildren().clear();
     loadMessages(entry);
     markAsRead(entry);
 
-        Platform.runLater(() -> messageInput.requestFocus());
+    // حالا هدر بیاد، دوباره نهایی‌اش می‌کنیم
+    fetchAndRenderHeader(entry);
 }
 
 
+
+
+    public void showChat(ChatEntry entry, ChatViewMode mode) {
+        this.currentChat = entry;
+
+        // --- Header ---
+        chatTitle.setText(entry.getName());
+        if (entry.getImageUrl() != null && !entry.getImageUrl().isEmpty()) {
+            Image img = AvatarLocalResolver.load(entry.getImageUrl());
+            if (img != null) userAvatar.setImage(img); else setDefaultHeaderAvatarByType(entry.getType());
+        } else {
+            setDefaultHeaderAvatarByType(entry.getType());
+        }
+        AvatarFX.circleClip(userAvatar, 36);
+
+        fetchAndRenderHeader(entry);
+
+        // --- Messages ---
+        messageContainer.getChildren().clear();
+        loadMessages(entry);
+        markAsRead(entry);
+
+        // --- حالت UI (Composer / Join / Add Contact) ---
+        applyMode(mode);
+
+        // فوکوس اگر در حالت نرمال هستیم
+        if (mode == ChatViewMode.NORMAL) {
+            Platform.runLater(() -> messageInput.requestFocus());
+        }
+    }
+
     private void loadMessages(ChatEntry entry) {
         JSONObject req = new JSONObject();
         req.put("action", "get_messages_UI");
@@ -967,12 +1074,17 @@ public class ChatPageController {
         req.put("receiver_id", entry.getId().toString());
         req.put("receiver_type", entry.getType()); // باید "private" باشه
 
-        // 👇 اضافه کن: آی‌دی کاربر فعلی (current user)
+        String viewer = Session.getUserUUID(); // internal_uuid کاربر فعلی
-        UUID viewerId = UUID.fromString(Session.getUserUUID()); // هر جایی که نگه می‌داری
+        if (viewer != null && !viewer.isBlank()) {
-        if ("private".equalsIgnoreCase(entry.getType()) && viewerId != null) {
+            req.put("viewer_id", viewer);
-            req.put("viewer_id", viewerId.toString());
         }
 
+//        // 👇 اضافه کن: آی‌دی کاربر فعلی (current user)
+//        UUID viewerId = UUID.fromString(Session.getUserUUID()); // هر جایی که نگه می‌داری
+//        if ("private".equalsIgnoreCase(entry.getType()) && viewerId != null) {
+//            req.put("viewer_id", viewerId.toString());
+//        }
+
         new Thread(() -> {
             JSONObject resp;
             try {
@@ -1000,21 +1112,46 @@ public class ChatPageController {
         }
     }
 
+//    private void updatePrivateHeader(ChatEntry entry, JSONObject data) {
+//        String name = nz(data.optString("profile_name", entry.getName()));
+//        chatTitle.setText(name);
+//
+//        // other_user_id برای ریل‌تایم status
+//        String other = data.optString("other_user_id", "");
+//        if (!other.isBlank()) {
+//            try { entry.setOtherUserId(java.util.UUID.fromString(other)); } catch (Exception ignore) {}
+//        }
+//
+//        // تصویر
+//        String img = data.optString("image_url", "");
+//        if (hasVal(img)) {
+//            try {
+//                Image im = AvatarLocalResolver.load(img);  // ⬅️
+//                if (im != null) userAvatar.setImage(im);
+//                userAvatar.setClip(new Circle(20, 20, 20));
+//            } catch (Exception ignore) {}
+//        }
+//
+//        chatStatus.setText(userStatusText(
+//                data.optBoolean("online", false),
+//                data.optString("last_seen", null)
+//        ));
+//
+//    }
+
     private void updatePrivateHeader(ChatEntry entry, JSONObject data) {
         String name = nz(data.optString("profile_name", entry.getName()));
         chatTitle.setText(name);
 
-        // other_user_id برای ریل‌تایم status
         String other = data.optString("other_user_id", "");
         if (!other.isBlank()) {
-            try { entry.setOtherUserId(java.util.UUID.fromString(other)); } catch (Exception ignore) {}
+            try { entry.setOtherUserId(UUID.fromString(other)); } catch (Exception ignore) {}
         }
 
-        // تصویر
         String img = data.optString("image_url", "");
         if (hasVal(img)) {
             try {
-                Image im = AvatarLocalResolver.load(img);  // ⬅️
+                Image im = AvatarLocalResolver.load(img);
                 if (im != null) userAvatar.setImage(im);
                 userAvatar.setClip(new Circle(20, 20, 20));
             } catch (Exception ignore) {}
@@ -1025,7 +1162,19 @@ public class ChatPageController {
                 data.optString("last_seen", null)
         ));
 
+        // ⭐️ بلاک؟
+        boolean blocked = data.optBoolean("blocked", false)
+                || data.optBoolean("is_blocked", false)
+                || data.optBoolean("blocked_by_me", false);
+
+        if (blocked) {
+            if (readOnlyLabel != null) readOnlyLabel.setText(""); // فقط UNBLOCK را نشان بده
+            applyMode(ChatViewMode.BLOCKED);
+        } else {
+            applyMode(ChatViewMode.NORMAL);
         }
+    }
+
 
     private void updateGroupHeader(ChatEntry entry, JSONObject data) {
         chatTitle.setText(nz(data.optString("group_name", entry.getName())));
@@ -1046,22 +1195,50 @@ public class ChatPageController {
                 : (members + " members"));
     }
 
+//    private void updateChannelHeader(ChatEntry entry, JSONObject data) {
+//        chatTitle.setText(nz(data.optString("channel_name", entry.getName())));
+//
+//        String img = data.optString("image_url", "");
+//        if (hasVal(img)) {
+//            try {
+//                Image im = AvatarLocalResolver.load(img);  // ⬅️
+//                if (im != null) userAvatar.setImage(im);
+//                userAvatar.setClip(new Circle(20, 20, 20));
+//            } catch (Exception ignore) {}
+//        }
+//
+//
+//        int subs = data.optInt("member_count", 0);
+//        chatStatus.setText(subs + " subscribers");
+//    }
+
+
     private void updateChannelHeader(ChatEntry entry, JSONObject data) {
         chatTitle.setText(nz(data.optString("channel_name", entry.getName())));
 
         String img = data.optString("image_url", "");
         if (hasVal(img)) {
             try {
-                Image im = AvatarLocalResolver.load(img);  // ⬅️
+                Image im = AvatarLocalResolver.load(img);
                 if (im != null) userAvatar.setImage(im);
                 userAvatar.setClip(new Circle(20, 20, 20));
             } catch (Exception ignore) {}
         }
 
-
         int subs = data.optInt("member_count", 0);
         chatStatus.setText(subs + " subscribers");
+
+        boolean canPost = canPostToChannel(entry, data);
+        if (canPost) {
+            applyMode(ChatViewMode.NORMAL);
+            Platform.runLater(() -> messageInput.requestFocus());
+        } else {
+            if (readOnlyLabel != null) readOnlyLabel.setText("YOU CAN’T SEND MESSAGES IN THIS CHANNEL");
+            applyMode(ChatViewMode.READ_ONLY);
         }
+    }
+
+
 
     public void onUserStatusChanged(String userUuid, String status, String lastSeenIso) {
         if (currentChat == null || !"private".equalsIgnoreCase(currentChat.getType())) return;
@@ -1112,4 +1289,203 @@ public class ChatPageController {
                 java.util.Objects.requireNonNull(getClass().getResourceAsStream(path))
         ));
     }
+
+    @FXML
+    private void onJoinClicked() {
+        if (currentChat == null) return;
+
+        // 1) internal_uuid کاربر فعلی (UUID)
+        String myInternalUuid = Session.currentUser != null
+                ? Session.currentUser.optString("internal_uuid", "")
+                : "";
+        if (myInternalUuid.isBlank()) {
+            addSystemMessage("Join failed: missing current user internal_uuid.");
+            return;
+        }
+
+        // 2) internal_uuid مقصد (گروه/کانال)
+        String targetId = currentChat.getId().toString();
+
+        // 3) نوع و نام اکشن
+        String t = currentChat.getType();
+        String action = "group".equalsIgnoreCase(t) ? "join_group" : "join_channel";
+
+        // 4) درخواست طبق قرارداد سرور (کلیدها: user_id = UUID کاربر، id = UUID مقصد)
+        JSONObject req = new JSONObject()
+                .put("action", action)
+                .put("user_id", myInternalUuid) // ← UUID
+                .put("id",       targetId);     // ← UUID گروه/کانال
+
+        JSONObject res = ActionHandler.sendWithResponse(req);
+        if (res != null && "success".equalsIgnoreCase(res.optString("status"))) {
+            MainController.getInstance().onJoinedOrAdded(currentChat);
+            applyMode(ChatViewMode.NORMAL);
+            Platform.runLater(() -> messageInput.requestFocus());
+        } else {
+            addSystemMessage("Join failed: " + (res != null ? res.optString("message","") : "no response"));
+        }
+    }
+
+
+    @FXML
+    private void onAddContactClicked() {
+        if (currentChat == null) return;
+
+        String myUserId = Session.currentUser != null
+                ? Session.currentUser.optString("user_id", "")
+                : "";
+
+        // 2) internal_uuid طرف مقابل
+        UUID other = currentChat.getOtherUserId();
+        if (other == null) {
+            // اگر otherUserId هنوز نگرفته‌ای، بهتره قبلش از هدر/پروفایل بیاری.
+            addSystemMessage("Cannot add: other user UUID is missing.");
+            return;
+        }
+
+        // 3) درخواست طبق قرارداد سرور
+        JSONObject req = new JSONObject()
+                .put("action", "add_contact")
+                .put("user_id", myUserId)            // ← stringِ user_id (غیر UUID)
+                .put("contact_id", other.toString()); // ← UUID طرف مقابل
+
+        // 4) ارسال
+        JSONObject res = ActionHandler.sendWithResponse(req);
+        if (res != null && "success".equalsIgnoreCase(res.optString("status"))) {
+            // به لیست چت‌ها اضافه و سوییچ به حالت نرمال
+            MainController.getInstance().onJoinedOrAdded(currentChat);
+            applyMode(ChatViewMode.NORMAL);
+            Platform.runLater(() -> messageInput.requestFocus());
+        } else {
+            addSystemMessage("Add contact failed: " + (res != null ? res.optString("message","") : "no response"));
+        }
+    }
+
+
+//    private void applyMode(ChatViewMode mode) {
+//        currentMode = mode;
+//
+//        boolean normal    = (mode == ChatViewMode.NORMAL);
+//        boolean needsJoin = (mode == ChatViewMode.NEEDS_JOIN);
+//        boolean needsAdd  = (mode == ChatViewMode.NEEDS_ADD_CONTACT);
+//
+//        composerPane.setVisible(normal);
+//        composerPane.setManaged(normal);
+//
+//        joinPane.setVisible(needsJoin);
+//        joinPane.setManaged(needsJoin);
+//
+//        addContactPane.setVisible(needsAdd);
+//        addContactPane.setManaged(needsAdd);
+//
+//        if (needsJoin && joinButton != null && currentChat != null) {
+//            String what = "channel".equalsIgnoreCase(currentChat.getType()) ? "CHANNEL" : "GROUP";
+//            joinButton.setText(("Join " + what).toUpperCase());   // => JOIN CHANNEL / JOIN GROUP
+//        }
+//        if (needsAdd && addContactButton != null) {
+//            addContactButton.setText("ADD CONTACT");
+//        }
+//    }
+
+
+
+    private void applyMode(ChatViewMode mode) {
+        currentMode = mode;
+
+        boolean normal    = (mode == ChatViewMode.NORMAL);
+        boolean needsJoin = (mode == ChatViewMode.NEEDS_JOIN);
+        boolean needsAdd  = (mode == ChatViewMode.NEEDS_ADD_CONTACT);
+        boolean readOnly  = (mode == ChatViewMode.READ_ONLY);
+        boolean blocked   = (mode == ChatViewMode.BLOCKED);
+
+        // Composer فقط در حالت نرمال
+        composerPane.setVisible(normal);
+        composerPane.setManaged(normal);
+
+        // Join / Add
+        joinPane.setVisible(needsJoin);
+        joinPane.setManaged(needsJoin);
+        addContactPane.setVisible(needsAdd);
+        addContactPane.setManaged(needsAdd);
+
+        // پنل پایین برای READ_ONLY/BLOCKED
+        boolean showRO = readOnly || blocked;
+        if (readOnlyPane != null) {
+            readOnlyPane.setVisible(showRO);
+            readOnlyPane.setManaged(showRO);
+        }
+
+        // متن آبی برای READ_ONLY
+        if (readOnlyLabel != null) {
+            readOnlyLabel.setVisible(readOnly);
+            readOnlyLabel.setManaged(readOnly);
+        }
+
+        // دکمهٔ قرمز UNBLOCK فقط در BLOCKED
+        if (unblockBtn != null) {
+            unblockBtn.setVisible(blocked);
+            unblockBtn.setManaged(blocked);
+        }
+
+        // متن دکمه‌های Join/Add
+        if (needsJoin && joinButton != null && currentChat != null) {
+            String what = "channel".equalsIgnoreCase(currentChat.getType()) ? "CHANNEL" : "GROUP";
+            joinButton.setText(("Join " + what).toUpperCase());
+        }
+        if (needsAdd && addContactButton != null) {
+            addContactButton.setText("ADD CONTACT");
+        }
+    }
+
+
+    @FXML
+    private void onUnblockClicked() {
+        if (currentChat == null) return;
+        UUID other = currentChat.getOtherUserId();
+        if (other == null && currentChat.getDisplayId() == null) return;
+
+        // ⚠️ با API خودت هماهنگ کن:
+        // این یک الگوی معمول است: user_id (کاربر فعلی) + contact_id (کسی که بلاک شده)
+        org.json.JSONObject req = new org.json.JSONObject()
+                .put("action", "unblock_user")  // یا "unblock_contact" طبق سرور
+                .put("user_id", org.to.telegramfinalproject.Client.Session.currentUser.getString("user_id"))
+                .put("contact_id", (other != null) ? other.toString() : currentChat.getDisplayId());
+
+        org.json.JSONObject res = org.to.telegramfinalproject.Client.ActionHandler.sendWithResponse(req);
+        boolean ok = (res != null) && ("ok".equalsIgnoreCase(res.optString("status"))
+                || "success".equalsIgnoreCase(res.optString("status")));
+
+        if (ok) {
+            // برگرد به حالت نرمال: کامپوزر باز شود
+            applyMode(ChatViewMode.NORMAL);
+            Platform.runLater(() -> messageInput.requestFocus());
+        } else {
+            // می‌تونی یک نوتیف کوچک بزنی
+            addSystemMessage("Unblock failed.");
+        }
+    }
+
+
+
+    private boolean canPostToChannel(ChatEntry entry, JSONObject headerData) {
+        // 1) اگر سرور صراحتاً can_post داد، همان را بگیر
+        if (headerData != null && headerData.has("can_post")) {
+            return headerData.optBoolean("can_post", false);
+        }
+        // 2) یا اگر is_owner / is_admin را داد
+        if (headerData != null && (headerData.has("is_owner") || headerData.has("is_admin"))) {
+            return headerData.optBoolean("is_owner", false) || headerData.optBoolean("is_admin", false);
+        }
+        // 3) فال‌بک به اطلاعات لوکال: ChatEntry + permissions محلی
+        if (entry != null) {
+            if (entry.isOwner() || entry.isAdmin()) return true;
+            if (entry.getPermissions() != null && entry.getPermissions().optBoolean("can_post", false)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+
+
 }

src/main/java/org/to/telegramfinalproject/UI/ChatViewMode.java

@@ -0,0 +1,12 @@
+package org.to.telegramfinalproject.UI;
+
+
+//For search handling
+public enum ChatViewMode {
+    NORMAL,                 // member/contact; can send messages
+    NEEDS_JOIN,             // group/channel preview; show Join button
+    NEEDS_ADD_CONTACT,      // private preview; show Add Contact button
+    READ_ONLY,
+    BLOCKED
+    }
+

src/main/java/org/to/telegramfinalproject/UI/MainController.java

@@ -40,6 +40,7 @@ public class MainController {
         GLOBAL,
         CHAT
     }
+    private ChatViewMode currentMode = ChatViewMode.NORMAL; // حالت فعلی: NORMAL/NEEDS_JOIN/NEEDS_ADD_CONTACT
     private SearchMode currentSearchMode = SearchMode.GLOBAL;
     private UUID currentChatId; // if in CHAT mode, which chat to search in
 
@@ -423,6 +424,9 @@ public class MainController {
             FXMLLoader loader = new FXMLLoader(getClass().getResource("/org/to/telegramfinalproject/Fxml/chat_page.fxml"));
             Node chatPage = loader.load();
 
+
+
+
             ChatPageController controller = loader.getController();
             controller.showChat(chat);
 
@@ -439,6 +443,30 @@ public class MainController {
         }
     }
 
+
+    private void openChatWithMode(ChatEntry chat, ChatViewMode mode) {
+        try {
+            FXMLLoader loader = new FXMLLoader(getClass().getResource("/org/to/telegramfinalproject/Fxml/chat_page.fxml"));
+            Node chatPage = loader.load();
+
+            ChatPageController controller = loader.getController();
+            controller.showChat(chat, mode); // ⬅️ متد جدید در ChatPageController
+
+            this.chatPageController = controller;
+            Session.currentChatId = chat.getId().toString();
+
+            chatDisplayArea.getChildren().setAll(chatPage);
+
+            chat.setUnreadCount(0);
+            ChatItemController item = itemControllers.get(chat.getId());
+            if (item != null) item.setUnread(0);
+
+        } catch (IOException ex) {
+            ex.printStackTrace();
+        }
+    }
+
+
     @FXML
     private void toggleSidebar() {
         if (isSidebarOpen) {
@@ -832,39 +860,52 @@ public class MainController {
     private void openSearchResult(SearchResult r) {
         switch (r.type) {
             case USER: {
+                // 1) اگه قبلاً چت پرایوت با این یوزر داری، از همون استفاده کن
+                UUID existingChatId = findExistingPrivateChatId(r.uuid);
 
-                java.util.UUID chatId = findExistingPrivateChatId(r.uuid);
+                ChatEntry ce = new ChatEntry();
-                if (chatId == null) {
-                    chatId = fetchOrCreatePrivateChat(r.uuid);
-                    if (chatId == null) {
-                        System.out.println("❌ Failed to create/find private chat.");
-                        return;
-                    }
-                }
-
-                org.to.telegramfinalproject.Models.ChatEntry ce = new org.to.telegramfinalproject.Models.ChatEntry();
-                ce.setId(chatId.toString());                  // ⬅️ internal chat_id
-                ce.setDisplayId(r.displayId);                 // username
-                ce.setName(r.title);                          // profile_name
                 ce.setType("private");
+                ce.setName(r.title);
+                ce.setDisplayId(r.displayId);
+                try { ce.setOtherUserId(r.uuid); } catch (Exception ignore) {}
 
-                openChat(ce);
+                ChatViewMode mode;
+                if (existingChatId != null) {
+                    ce.setId(existingChatId.toString());
+                    mode = ChatViewMode.NORMAL;
+                } else {
+                    // هنوز چتی وجود ندارد → Preview (بدون ساخت چت)
+                    // برای Preview از uuid خودِ طرف مقابل به‌عنوان id موقت استفاده می‌کنیم
+                    ce.setId(r.uuid.toString());
+                    mode = isContact(r.uuid) ? ChatViewMode.NORMAL : ChatViewMode.NEEDS_ADD_CONTACT;
+                }
+
+                openChatWithMode(ce, mode);
                 break;
             }
 
+
             case GROUP:
             case CHANNEL: {
                 org.to.telegramfinalproject.Models.ChatEntry existing =
                         findExistingChat(r.uuid, r.receiverType);
                 if (existing != null) {
-                    openChat(existing);
+                    openChatWithMode(existing, ChatViewMode.NORMAL);
                 } else {
                     org.to.telegramfinalproject.Models.ChatEntry ce = new org.to.telegramfinalproject.Models.ChatEntry();
                     ce.setId(r.uuid.toString());          // internal_uuid group/channel
                     ce.setDisplayId(r.displayId);         // group_id/channel_id
                     ce.setName(r.title);
                     ce.setType(r.receiverType);
-                    openChat(ce);
+                    //openChat(ce);
+                    ChatViewMode mode;
+                    try {
+                        mode = isInAnyChatList(r.uuid) ? ChatViewMode.NORMAL : ChatViewMode.NEEDS_JOIN;
+                    } catch (Exception e) {
+                        mode = ChatViewMode.NEEDS_JOIN;
+                    }
+                    openChatWithMode(ce, mode);
+
                 }
                 break;
             }
@@ -968,4 +1009,87 @@ public class MainController {
 
         return false;
     }
+
+
+    //Search
+    private boolean isInAnyChatList(UUID chatId) {
+        var lists = List.of(
+                Session.chatList != null ? Session.chatList : List.<ChatEntry>of(),
+                Session.activeChats != null ? Session.activeChats : List.<ChatEntry>of(),
+                Session.archivedChats != null ? Session.archivedChats : List.<ChatEntry>of()
+        );
+        for (var lst : lists) {
+            for (var c : lst) {
+                try {
+                    if (chatId.equals(UUID.fromString(c.getId().toString()))) return true;
+                } catch (Exception ignore) {}
+            }
+        }
+        return false;
+    }
+
+
+    private boolean isContact(UUID userUuid) {
+        if (Session.contactEntries == null) return false;
+        try {
+            for (var c : Session.contactEntries) {
+                UUID id = c.getContactId();
+                if (userUuid.equals(id)) return true;
+            }
+        } catch (Exception ignore) {}
+        return false;
+    }
+
+
+
+    private ChatViewMode computeMode(ChatEntry ce) {
+        try {
+            UUID id = UUID.fromString(ce.getId().toString());
+            if (isInAnyChatList(id)) return ChatViewMode.NORMAL;
+        } catch (Exception ignore) {}
+
+        String t = ce.getType();
+        if ("group".equalsIgnoreCase(t) || "channel".equalsIgnoreCase(t)) {
+            return ChatViewMode.NEEDS_JOIN;
+        }
+        if ("private".equalsIgnoreCase(t)) {
+            UUID other = null;
+            try { other = ce.getOtherUserId(); } catch (Exception ignore) {}
+            return (other != null && isContact(other))
+                    ? ChatViewMode.NORMAL
+                    : ChatViewMode.NEEDS_ADD_CONTACT;
+        }
+        return ChatViewMode.NORMAL;
+    }
+
+    public void onJoinedOrAdded(ChatEntry ce) {
+        try {
+            UUID id = UUID.fromString(ce.getId().toString());
+            if (!isInAnyChatList(id)) {
+                if (Session.chatList == null) Session.chatList = new ArrayList<>();
+                Session.chatList.add(ce);
+            }
+            // اگر activeChats استفاده می‌کنی:
+            if (Session.activeChats != null && Session.activeChats.stream().noneMatch(c -> id.equals(c.getId()))) {
+                Session.activeChats.add(ce);
+            }
+        } catch (Exception ignore) {}
+
+        // (اختیاری) مرتب‌سازی بر اساس زمان آخرین پیام
+        Comparator<ChatEntry> byTimeDesc = (a,b) -> {
+            LocalDateTime t1 = a.getLastMessageTime(), t2 = b.getLastMessageTime();
+            if (t1 == null && t2 == null) return 0;
+            if (t1 == null) return 1;
+            if (t2 == null) return -1;
+            return t2.compareTo(t1);
+        };
+        if (Session.chatList != null) Session.chatList.sort(byTimeDesc);
+        if (Session.activeChats != null) Session.activeChats.sort(byTimeDesc);
+
+        refreshChatListUI();
+    }
+
+
+
+
 }

src/main/resources/org/to/telegramfinalproject/CSS/chat.css

@@ -0,0 +1,76 @@
+/* دقیقاً فقط روی این دو دکمه اعمال می‌شود */
+#joinAction, #addContactAction {
+    -fx-background-color: transparent, transparent, transparent, transparent;
+    -fx-background-insets: 0,0,0,0;
+    -fx-background-radius: 0,0,0,0;
+    -fx-border-color: transparent;
+    -fx-border-width: 0;
+    -fx-text-fill: #1e88e5;   /* آبی لینک */
+    -fx-font-weight: 700;
+    -fx-font-size: 12px;
+    -fx-padding: 12 0 12 0;
+    -fx-cursor: hand;
+    -fx-effect: null;
+}
+
+#joinAction:hover, #addContactAction:hover {
+    -fx-underline: true;
+}
+
+#joinAction:focused, #addContactAction:focused {
+    -fx-underline: true;
+    -fx-focus-color: transparent;
+    -fx-faint-focus-color: transparent;
+}
+
+#joinAction:armed, #addContactAction:armed {
+    -fx-opacity: .85;
+}
+
+/* ظرف بنر پایین */
+.chat-footer-banner {
+    -fx-background-color: transparent;
+}
+
+/* دکمهٔ لینک‌مانند (مشترک) */
+.footer-link-btn {
+    -fx-background-color: transparent;
+    -fx-background-insets: 0;
+    -fx-background-radius: 0;
+    -fx-padding: 6 0 6 0;          /* نازک مثل لینک */
+    -fx-border-color: transparent;
+    -fx-font-size: 14px;
+    -fx-font-weight: 700;
+    -fx-text-fill: #1a73e8;        /* پیش‌فرض آبی (برای Join/Add) */
+}
+
+/* کانتینر بنر پایین چت */
+.chat-footer-banner {
+    -fx-background-color: transparent;
+    -fx-alignment: center;
+}
+
+/* متن آبی برای حالت Read-only */
+.chat-footer-banner .banner-text-blue {
+    -fx-text-fill: #1E88E5; /* آبی */
+    -fx-font-weight: 700;
+    -fx-background-color: transparent;
+}
+
+/* لینک‌استایل دکمه‌ها در بنر */
+.chat-footer-banner .footer-link-btn {
+    -fx-background-color: transparent;
+    -fx-text-fill: #1E88E5; /* آبی پیش‌فرض */
+    -fx-font-weight: 700;
+    -fx-padding: 6 12;
+    -fx-background-insets: 0;
+    -fx-cursor: hand;
+}
+.chat-footer-banner .footer-link-btn:hover {
+    -fx-underline: true;
+}
+
+/* نسخه قرمز برای UNBLOCK */
+.chat-footer-banner .footer-link-btn.danger {
+    -fx-text-fill: #D32F2F; /* قرمز */
+}

src/main/resources/org/to/telegramfinalproject/Fxml/chat_page.fxml

@@ -6,17 +6,19 @@
 <?import javafx.scene.image.ImageView?>
 <?import javafx.scene.layout.*?>
 
+<?import java.net.URL?>
 <VBox xmlns="http://javafx.com/javafx/17"
       xmlns:fx="http://javafx.com/fxml"
       fx:controller="org.to.telegramfinalproject.UI.ChatPageController"
       spacing="0"
       styleClass="chat-root">
+    <stylesheets>
+        <URL value="@/org/to/telegramfinalproject/CSS/chat.css"/>
+    </stylesheets>
 
     <!-- HEADER: avatar + name/status (left) | search + more (right) -->
     <HBox fx:id="chatHeader" spacing="10" styleClass="chat-header">
-        <padding>
+        <padding><Insets top="8" right="12" bottom="8" left="12"/></padding>
-            <Insets top="8" right="12" bottom="8" left="12"/>
-        </padding>
 
         <!-- Avatar -->
         <ImageView fx:id="userAvatar" fitWidth="36" fitHeight="36" preserveRatio="true"/>
@@ -33,9 +35,7 @@
         <Button fx:id="searchInChatButton" styleClass="icon-btn" onAction="#openSearchPanel">
             <graphic>
                 <ImageView fx:id="searchIcon" fitWidth="20" fitHeight="20" preserveRatio="true">
-                    <image>
+                    <image><Image url="@/org/to/telegramfinalproject/Icons/search_light.png"/></image>
-                        <Image url="@/org/to/telegramfinalproject/Icons/search_light.png"/>
-                    </image>
                 </ImageView>
             </graphic>
         </Button>
@@ -44,9 +44,7 @@
         <Button fx:id="moreButton" styleClass="icon-btn">
             <graphic>
                 <ImageView fx:id="moreIcon" fitWidth="18" fitHeight="18" preserveRatio="true">
-                    <image>
+                    <image><Image url="@/org/to/telegramfinalproject/Icons/more_light.png"/></image>
-                        <Image url="@/org/to/telegramfinalproject/Icons/more_light.png"/>
-                    </image>
                 </ImageView>
             </graphic>
             <contextMenu>
@@ -55,18 +53,14 @@
                         <MenuItem fx:id="viewProfileItem" text="View profile">
                             <graphic>
                                 <ImageView fitWidth="16" fitHeight="16" preserveRatio="true">
-                                    <image>
+                                    <image><Image url="@/org/to/telegramfinalproject/Icons/view_profile_light.png"/></image>
-                                        <Image url="@/org/to/telegramfinalproject/Icons/view_profile_light.png"/>
-                                    </image>
                                 </ImageView>
                             </graphic>
                         </MenuItem>
                         <MenuItem fx:id="deleteChatItem" text="Delete chat" style="-fx-text-fill: red;">
                             <graphic>
                                 <ImageView fitWidth="16" fitHeight="16" preserveRatio="true">
-                                    <image>
+                                    <image><Image url="@/org/to/telegramfinalproject/Icons/delete_red.png"/></image>
-                                        <Image url="@/org/to/telegramfinalproject/Icons/delete_red.png"/>
-                                    </image>
                                 </ImageView>
                             </graphic>
                         </MenuItem>
@@ -85,26 +79,23 @@
                 styleClass="chat-scroll">
         <content>
             <VBox fx:id="messageContainer" spacing="10">
-                <padding>
+                <padding><Insets top="10" right="10" bottom="10" left="10"/></padding>
-                    <Insets top="10" right="10" bottom="10" left="10"/>
-                </padding>
             </VBox>
         </content>
     </ScrollPane>
 
-    <!-- INPUT BAR -->
+    <!-- ===== FOOTER: فقط یکی از این پنل‌ها نمایش داده می‌شود ===== -->
-    <HBox fx:id="inputBar" spacing="8" styleClass="chat-input-bar">
+
-        <padding>
+    <!-- حالت عادی: کامپوزر پیام -->
-            <Insets top="8" right="12" bottom="8" left="12"/>
+    <VBox fx:id="composerPane" spacing="0" visible="true" managed="true">
-        </padding>
+        <HBox spacing="8" styleClass="chat-input-bar">
+            <padding><Insets top="8" right="12" bottom="8" left="12"/></padding>
 
             <!-- Attachment -->
             <Button fx:id="attachmentButton" styleClass="icon-btn">
                 <graphic>
                     <ImageView fx:id="attachmentIcon" fitWidth="20" fitHeight="20" preserveRatio="true">
-                    <image>
+                        <image><Image url="@/org/to/telegramfinalproject/Icons/attachment_light.png"/></image>
-                        <Image url="@/org/to/telegramfinalproject/Icons/attachment_light.png"/>
-                    </image>
                     </ImageView>
                 </graphic>
             </Button>
@@ -124,11 +115,44 @@
             <Button fx:id="sendButton" styleClass="send-btn">
                 <graphic>
                     <ImageView fx:id="sendIcon" fitWidth="20" fitHeight="20" preserveRatio="true">
-                    <image>
+                        <image><Image url="@/org/to/telegramfinalproject/Icons/send_cyan2.png"/></image>
-                        <Image url="@/org/to/telegramfinalproject/Icons/send_cyan2.png"/>
-                    </image>
                     </ImageView>
                 </graphic>
             </Button>
         </HBox>
     </VBox>
+
+    <VBox fx:id="joinPane" alignment="CENTER" visible="false" managed="false" styleClass="chat-input-bar">
+        <padding><Insets top="12" right="12" bottom="12" left="12"/></padding>
+        <Button fx:id="joinButton" id="joinAction"
+                text="JOIN CHANNEL" onAction="#onJoinClicked"/>
+    </VBox>
+
+    <VBox fx:id="addContactPane" alignment="CENTER" visible="false" managed="false" styleClass="chat-input-bar">
+        <padding><Insets top="12" right="12" bottom="12" left="12"/></padding>
+        <Button fx:id="addContactButton" id="addContactAction"
+                text="ADD CONTACT" onAction="#onAddContactClicked"/>
+    </VBox>
+
+    <VBox fx:id="readOnlyPane" spacing="0" alignment="CENTER"
+          visible="false" managed="false" styleClass="chat-footer-banner" >
+        <padding><Insets top="10" right="12" bottom="10" left="12"/></padding>
+        <Label fx:id="readOnlyLabel"
+               text="You are not allowed to send messages."
+               styleClass="footer-link-btn"/>
+
+    </VBox>
+
+    <VBox fx:id="blockedPane" spacing="0" alignment="CENTER"
+          visible="false" managed="false" styleClass="chat-footer-banner">
+        <padding><Insets top="12" right="12" bottom="12" left="12"/></padding>
+
+        <Button fx:id="unblockBtn"
+                text="UNBLOCK"
+                onAction="#onUnblockClicked"
+                styleClass="footer-link-btn danger"/>
+    </VBox>
+
+
+
+</VBox>