Refactor desktop client codebase

desktop-client/lobby_widget.py

@@ -0,0 +1,175 @@
+import os
+from PyQt6.QtWidgets import (
+    QWidget, QVBoxLayout, QHBoxLayout, QLabel, QLineEdit, QPushButton, 
+    QFileDialog, QFrame
+)
+from PyQt6.QtCore import Qt, pyqtSignal
+
+class LobbyWidget(QWidget):
+    # Signals to communicate to VlcSyncApp
+    create_requested = pyqtSignal(str, str, str, object)  # username, path, filename, size
+    join_requested = pyqtSignal(str, str)              # username, room_code
+    
+    def __init__(self):
+        super().__init__()
+        self.setAcceptDrops(True)
+        
+        self.local_file_path = None
+        self.local_file_name = None
+        self.local_file_size = 0
+        
+        self._setup_ui()
+        
+    def _setup_ui(self):
+        layout = QVBoxLayout(self)
+        layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        
+        # Container for centering
+        container = QFrame()
+        container.setObjectName("lobbyCard")
+        container.setFixedWidth(500)
+        container_layout = QVBoxLayout(container)
+        container_layout.setContentsMargins(30, 30, 30, 30)
+        container_layout.setSpacing(15)
+
+        # Brand
+        title = QLabel("VideoSync")
+        title.setObjectName("brandTitle")
+        title.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        tagline = QLabel("Watch together, anywhere")
+        tagline.setObjectName("brandTagline")
+        tagline.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        
+        container_layout.addWidget(title)
+        container_layout.addWidget(tagline)
+        container_layout.addSpacing(20)
+
+        # Username
+        self.username_input = QLineEdit()
+        self.username_input.setPlaceholderText("Enter a display name")
+        container_layout.addWidget(QLabel("YOUR NAME"))
+        container_layout.addWidget(self.username_input)
+        
+        container_layout.addSpacing(20)
+        
+        # Actions Layout (Create vs Join)
+        actions_layout = QHBoxLayout()
+        actions_layout.setSpacing(20)
+        
+        # Create Room Panel
+        create_panel = QVBoxLayout()
+        create_panel.addWidget(QLabel("Create a Room"))
+        self.create_file_btn = QPushButton("Choose Video File")
+        self.create_file_btn.setObjectName("secondaryBtn")
+        self.create_file_btn.clicked.connect(self.select_file)
+        
+        self.create_file_info = QLabel("")
+        self.create_file_info.setObjectName("fileInfo")
+        self.create_file_info.setWordWrap(True)
+        self.create_file_info.hide()
+        
+        self.create_room_btn = QPushButton("Create Room")
+        self.create_room_btn.setObjectName("primaryBtn")
+        self.create_room_btn.setEnabled(False)
+        self.create_room_btn.clicked.connect(self.create_room)
+        
+        create_panel.addWidget(self.create_file_btn)
+        create_panel.addWidget(self.create_file_info)
+        create_panel.addWidget(self.create_room_btn)
+        
+        # Join Room Panel
+        join_panel = QVBoxLayout()
+        join_panel.addWidget(QLabel("Join a Room"))
+        self.room_code_input = QLineEdit()
+        self.room_code_input.setPlaceholderText("e.g. ABC123")
+        self.join_room_btn = QPushButton("Join Room")
+        self.join_room_btn.setObjectName("secondaryBtn")
+        self.join_room_btn.setEnabled(False)
+        self.join_room_btn.clicked.connect(self.join_room)
+        
+        join_panel.addWidget(self.room_code_input)
+        join_panel.addWidget(self.join_room_btn)
+        
+        actions_layout.addLayout(create_panel)
+        
+        # Divider
+        divider = QLabel("OR")
+        divider.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        divider.setObjectName("divider")
+        actions_layout.addWidget(divider)
+        
+        actions_layout.addLayout(join_panel)
+        
+        container_layout.addLayout(actions_layout)
+        layout.addWidget(container)
+
+        # Signals to enable/disable buttons
+        self.username_input.textChanged.connect(self.check_inputs)
+        self.room_code_input.textChanged.connect(self.check_inputs)
+
+    def _set_local_file(self, file_path: str):
+        self.local_file_path = file_path
+        self.local_file_name = os.path.basename(file_path)
+        self.local_file_size = os.path.getsize(file_path)
+        
+        size_mb = self.local_file_size / (1024 * 1024)
+        self.create_file_info.setText(f"{self.local_file_name}\n{size_mb:.1f} MB")
+        self.create_file_info.show()
+        self.check_inputs()
+
+    def select_file(self):
+        file_path, _ = QFileDialog.getOpenFileName(
+            self, "Select Video File", "", "Video Files (*.mp4 *.mkv *.avi *.mov *.webm);;All Files (*)"
+        )
+        if file_path:
+            self._set_local_file(file_path)
+
+    def dragEnterEvent(self, event):
+        if event.mimeData().hasUrls():
+            event.accept()
+        else:
+            event.ignore()
+
+    def dropEvent(self, event):
+        for url in event.mimeData().urls():
+            file_path = url.toLocalFile()
+            if os.path.isfile(file_path):
+                ext = os.path.splitext(file_path)[1].lower()
+                if ext in ['.mp4', '.mkv', '.avi', '.mov', '.webm']:
+                    self._set_local_file(file_path)
+                    break
+
+    def check_inputs(self):
+        has_name = len(self.username_input.text().strip()) > 0
+        has_file = self.local_file_path is not None
+        has_code = len(self.room_code_input.text().strip()) >= 4
+        
+        self.create_room_btn.setEnabled(has_name and has_file)
+        self.join_room_btn.setEnabled(has_name and has_code)
+
+    def create_room(self):
+        username = self.username_input.text().strip()
+        self.create_room_btn.setText("Connecting...")
+        self.create_room_btn.setEnabled(False)
+        self.join_room_btn.setEnabled(False)
+        self.create_requested.emit(username, self.local_file_path, self.local_file_name, self.local_file_size)
+
+    def join_room(self):
+        username = self.username_input.text().strip()
+        room_code = self.room_code_input.text().strip().upper()
+        self.join_room_btn.setText("Connecting...")
+        self.join_room_btn.setEnabled(False)
+        self.create_room_btn.setEnabled(False)
+        self.join_requested.emit(username, room_code)
+
+    def reset_ui(self):
+        self.create_room_btn.setText("Create Room")
+        self.join_room_btn.setText("Join Room")
+        self.check_inputs()
+
+    def clear_file(self):
+        self.local_file_path = None
+        self.local_file_name = None
+        self.local_file_size = 0
+        self.create_file_info.hide()
+        self.check_inputs()