pyssh-client/app/main_window.py

"""Fenetre principale : assemble le panneau des sessions, les onglets, les menus.

La logique metier vit dans des controleurs dedies (app.controllers) et les widgets
d'onglet dans app.ui.tabs ; cette classe se contente de les construire et de les
relier.
"""
from __future__ import annotations

from PySide6.QtCore import Qt
from PySide6.QtGui import QAction, QActionGroup, QKeySequence
from PySide6.QtWidgets import (
    QMainWindow, QDockWidget, QMessageBox, QStatusBar, QApplication,
)

from app.session_manager import SessionStore
from app.key_manager import KeyManager
from app.local_terminal import SHELL_LABELS, DEFAULT_SHELL
from app.terminal_widget import TerminalWidget
from app.dialogs.key_dialog import KeyManagerDialog
from app.dialogs.known_hosts_dialog import KnownHostsDialog
from app.dialogs.workspace_dialog import WorkspaceDialog
from app.dialogs.snippet_dialog import SnippetManagerDialog
from app.theme import THEME_LABELS, apply_theme, current_theme, save_theme
from app.workspace import WorkspaceStore
from app.snippets import SnippetStore
from app.controllers.broadcast_manager import BroadcastManager
from app.controllers.session_controller import SessionController
from app.controllers.connection_controller import ConnectionController
from app.controllers.workspace_manager import WorkspaceManager
from app.ui.split_pane import SplitContainer

# re-exporte pour compatibilite (utilise par tests/test_detect.py et du code existant)
from app.services.ssh_target import detect_ssh_target  # noqa: F401


class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("PySSH Client")
        self.resize(1280, 820)

        self.session_store = SessionStore()
        self.key_manager = KeyManager()
        self.workspace_store = WorkspaceStore()
        self.snippet_store = SnippetStore()

        self.broadcast = BroadcastManager(self._iter_tabs, self)
        self.connection_controller = ConnectionController(
            self.session_store, self.key_manager, self.broadcast,
            snippet_store=self.snippet_store, parent_widget=self,
        )
        self.session_controller = SessionController(
            self.session_store, self.key_manager, self.broadcast.button, parent_widget=self,
        )
        self.workspace_manager = WorkspaceManager(
            self.workspace_store, self.session_store, self.connection_controller, parent_widget=self,
        )
        self._wire_controllers()

        self._build_menu()
        self._build_sidebar()
        self.setCentralWidget(self.connection_controller.tabs)
        self.setStatusBar(QStatusBar())

        # demarre directement dans un terminal utilisable, sans avoir a en choisir un -
        # sauf si un workspace vient d'etre restaure automatiquement (il a deja le sien)
        if not self.workspace_manager.try_restore_last_on_startup():
            self.connection_controller.open_local_terminal(DEFAULT_SHELL)

    # ---------- acces retro-compatible (tests, code externe) ----------
    @property
    def tabs(self):
        return self.connection_controller.tabs

    def _iter_tabs(self):
        """Widgets de terminal joignables par le Multi-Send : les onglets de
        premier niveau, et les panneaux a l'interieur des onglets divises."""
        tabs = self.connection_controller.tabs
        result = []
        for i in range(tabs.count()):
            widget = tabs.widget(i)
            if isinstance(widget, SplitContainer):
                result.extend(pane.content for pane in widget.panes)
            else:
                result.append(widget)
        return result

    # ---------- cablage entre controleurs ----------
    def _wire_controllers(self) -> None:
        sc, cc = self.session_controller, self.connection_controller
        sc.open_session_requested.connect(cc.open_session)
        sc.open_sftp_requested.connect(cc.open_sftp_session)
        sc.open_local_shell_requested.connect(cc.open_local_terminal)
        sc.open_openssh_host_requested.connect(cc.open_openssh_host)
        sc.quick_sftp_requested.connect(cc.quick_sftp)
        sc.manage_keys_requested.connect(self.open_key_manager)
        sc.manage_known_hosts_requested.connect(self.open_known_hosts_manager)
        cc.session_saved.connect(sc.reload)

    # ---------- construction UI ----------
    def _build_menu(self) -> None:
        file_menu = self.menuBar().addMenu("&Fichier")
        new_session_action = QAction("Nouvelle session...", self)
        new_session_action.setShortcut(QKeySequence("Ctrl+N"))
        new_session_action.triggered.connect(self.session_controller.new_session)
        file_menu.addAction(new_session_action)

        file_menu.addSeparator()

        quick_ssh_action = QAction("Connexion SSH rapide...", self)
        quick_ssh_action.setShortcut(QKeySequence("Ctrl+Shift+S"))
        quick_ssh_action.triggered.connect(self.connection_controller.quick_ssh)
        file_menu.addAction(quick_ssh_action)

        quick_sftp_action = QAction("Connexion SFTP (gestionnaire de fichiers)...", self)
        quick_sftp_action.setShortcut(QKeySequence("Ctrl+Shift+F"))
        quick_sftp_action.triggered.connect(self.connection_controller.quick_sftp)
        file_menu.addAction(quick_sftp_action)

        file_menu.addSeparator()

        default_action = QAction(
            f"Nouveau terminal local ({SHELL_LABELS.get(DEFAULT_SHELL, DEFAULT_SHELL)})", self
        )
        default_action.setShortcut(QKeySequence("Ctrl+Shift+T"))
        default_action.triggered.connect(lambda: self.connection_controller.open_local_terminal(DEFAULT_SHELL))
        file_menu.addAction(default_action)

        others_menu = file_menu.addMenu("Autre terminal local")
        for shell_id, label in SHELL_LABELS.items():
            others_menu.addAction(label, lambda s=shell_id: self.connection_controller.open_local_terminal(s))

        file_menu.addSeparator()
        quit_action = QAction("Quitter", self)
        quit_action.triggered.connect(self.close)
        file_menu.addAction(quit_action)

        keys_menu = self.menuBar().addMenu("&Cles SSH")
        manage_keys_action = QAction("Gestionnaire de cles...", self)
        manage_keys_action.triggered.connect(self.open_key_manager)
        keys_menu.addAction(manage_keys_action)

        view_menu = self.menuBar().addMenu("&Affichage")

        self.toggle_sidebar_action = QAction("Panneau des sessions", self, checkable=True)
        self.toggle_sidebar_action.setChecked(True)
        self.toggle_sidebar_action.setShortcut(QKeySequence("F9"))
        self.toggle_sidebar_action.triggered.connect(self.toggle_sidebar)
        view_menu.addAction(self.toggle_sidebar_action)
        view_menu.addSeparator()

        theme_menu = view_menu.addMenu("Theme")
        self.theme_group = QActionGroup(self)
        self.theme_group.setExclusive(True)
        for theme_id, label in THEME_LABELS.items():
            action = QAction(label, self, checkable=True)
            action.setChecked(theme_id == current_theme())
            action.triggered.connect(lambda _checked=False, t=theme_id: self.change_theme(t))
            self.theme_group.addAction(action)
            theme_menu.addAction(action)

        hosts_menu = self.menuBar().addMenu("&Hotes connus")
        manage_hosts_action = QAction("Gestionnaire des hotes connus...", self)
        manage_hosts_action.triggered.connect(self.open_known_hosts_manager)
        hosts_menu.addAction(manage_hosts_action)

        workspaces_menu = self.menuBar().addMenu("&Workspaces")
        manage_workspaces_action = QAction("Gestionnaire de workspaces...", self)
        manage_workspaces_action.setShortcut(QKeySequence("Ctrl+Shift+W"))
        manage_workspaces_action.triggered.connect(self.open_workspace_manager)
        workspaces_menu.addAction(manage_workspaces_action)

        snippets_menu = self.menuBar().addMenu("&Snippets")
        manage_snippets_action = QAction("Gestionnaire de snippets...", self)
        manage_snippets_action.triggered.connect(self.open_snippet_manager)
        snippets_menu.addAction(manage_snippets_action)

        help_menu = self.menuBar().addMenu("&Aide")
        about_action = QAction("A propos", self)
        about_action.triggered.connect(self.show_about)
        help_menu.addAction(about_action)

    def _build_sidebar(self) -> None:
        dock = QDockWidget("Sessions", self)
        # Closable : sans cette option, le panneau n'a pas de bouton de fermeture
        # et ne peut pas etre masque.
        dock.setFeatures(
            QDockWidget.DockWidgetMovable
            | QDockWidget.DockWidgetFloatable
            | QDockWidget.DockWidgetClosable
        )
        self.sessions_dock = dock

        dock.setWidget(self.session_controller.widget)
        self.addDockWidget(Qt.LeftDockWidgetArea, dock)
        self.resizeDocks([dock], [300], Qt.Horizontal)
        # garde la case du menu Affichage synchronisee si on ferme le panneau par sa croix
        dock.visibilityChanged.connect(self.toggle_sidebar_action.setChecked)

    # ---------- cles / affichage / a propos ----------
    def toggle_sidebar(self, visible: bool | None = None) -> None:
        """Affiche ou masque le panneau des sessions (F9)."""
        if visible is None:
            visible = not self.sessions_dock.isVisible()
        self.sessions_dock.setVisible(visible)
        self.toggle_sidebar_action.setChecked(visible)

    def change_theme(self, theme: str) -> None:
        """Applique un theme a chaud : feuille de style de l'interface + couleurs des
        terminaux deja ouverts (qui ont leur propre palette, hors QSS)."""
        app = QApplication.instance()
        if app is None:
            return
        apply_theme(app, theme)
        save_theme(theme)
        for widget in self.findChildren(TerminalWidget):
            widget.refresh_theme()

    def open_key_manager(self) -> None:
        dialog = KeyManagerDialog(self.key_manager, parent=self)
        dialog.exec()

    def open_known_hosts_manager(self) -> None:
        dialog = KnownHostsDialog(parent=self)
        dialog.exec()

    def open_workspace_manager(self) -> None:
        dialog = WorkspaceDialog(self.workspace_manager, parent=self)
        dialog.exec()

    def open_snippet_manager(self) -> None:
        dialog = SnippetManagerDialog(self.snippet_store, parent=self)
        dialog.exec()

    def show_about(self) -> None:
        QMessageBox.information(
            self, "A propos",
            "PySSH Client\n\nClient SSH/SFTP local avec gestion de sessions, de cles, "
            "et terminaux locaux integres.\nBase sur PySide6, paramiko, pywinpty et pyte.",
        )

    def closeEvent(self, event) -> None:
        self.connection_controller.close_all()
        super().closeEvent(event)