from PySide6.QtWidgets import QWidget, QHBoxLayout, QVBoxLayout, QLabel, QApplication, QPushButton, QScrollArea
from PySide6.QtCore import Signal, QSize

class ListBackupGUI(QWidget):
    selected = Signal(str)

    def __init__(self, list_backup:list[str]):
        super().__init__()
        layout = QVBoxLayout()
        layout.addWidget(QLabel("Liste des sauvegardes"))
        
        w_list_backup_elements = QWidget()
        layout_list_backup_elements = QVBoxLayout()
        

        self.listBackupElements:list[ListBackupElement] = []
        for list_backup_element_name in list_backup:
            list_backup_element = ListBackupElement(list_backup_element_name)
            list_backup_element.selected.connect(self.is_selected)
            self.listBackupElements.append(list_backup_element)
            layout_list_backup_elements.addWidget(list_backup_element)

        w_list_backup_elements.setLayout(layout_list_backup_elements)

        scrollArea = QScrollArea()
        scrollArea.setWidget(w_list_backup_elements)
        layout.addWidget(scrollArea)
        self.setLayout(layout)

    def is_selected(self, nom):
        print(nom)
        self.deactivate()
        self.selected.emit(nom)

    def deactivate(self):
        for element in self.listBackupElements:
            element.button.setEnabled(False)

    def activate(self):
        for element in self.listBackupElements:
            element.button.setEnabled(True)

    def sizeHint(self):
        return QSize(400, 400)



class ListBackupElement(QWidget):
    selected = Signal(str)

    def __init__(self, nom_backup:str):
        super().__init__()
        layout = QHBoxLayout()
        self.nom = nom_backup
        layout.addWidget(QLabel(nom_backup))
        self.button = QPushButton("Select")
        self.button.clicked.connect(self.is_selected)
        layout.addWidget(self.button)
        self.setLayout(layout)

    def is_selected(self):
        self.selected.emit(self.nom)


if __name__ == "__main__":
    import sys
    app = QApplication([])
    widget = ListBackupGUI(["Aujourd'hui", "hier"])
    widget.show()

    sys.exit(app.exec())