# gui/core/login_handle_dialog.py
from PyQt5.QtWidgets import QDialog, QVBoxLayout, QPushButton, QApplication
from PyQt5.QtCore import QTimer
from services.core.log_service import log_service
from stores.shared_store import SharedStore
from gui.global_signals import global_signals


class LoginHandleDialog(QDialog):
    dialog_width = 300
    dialog_height = 100
    margin = 10  # khoảng cách giữa các dialog

    # Lưu danh sách dialog đang mở (dùng class variable để chia sẻ giữa tất cả dialog)
    open_dialogs = []

    def __init__(self, account_id: int, listed_id: int):
        super().__init__()
        self.account_id = account_id
        self.listed_id = listed_id

        self.setWindowTitle(f"Handle Listing {self.listed_id}")
        self.setModal(False)  # modeless
        self.resize(self.dialog_width, self.dialog_height)

        # --- UI đơn giản ---
        layout = QVBoxLayout()
        self.btn_finish = QPushButton("Finish Listing")
        self.btn_finish.clicked.connect(self.finish_listing)
        layout.addWidget(self.btn_finish)
        self.setLayout(layout)

        # --- Tính vị trí để xếp dialog từ góc trái trên cùng sang phải theo hàng ngang ---
        self.move_to_corner()
        LoginHandleDialog.open_dialogs.append(self)

    def move_to_corner(self):
        screen_geometry = QApplication.primaryScreen().availableGeometry()
        start_x = screen_geometry.left() + self.margin
        start_y = screen_geometry.top() + self.margin

        row_height = 0
        current_x = start_x
        current_y = start_y

        for dlg in LoginHandleDialog.open_dialogs:
            # Nếu vượt chiều ngang màn hình, xuống hàng mới
            if current_x + dlg.width() + self.margin > screen_geometry.right():
                current_x = start_x
                current_y += row_height + self.margin
                row_height = 0

            dlg.move(current_x, current_y)
            current_x += dlg.width() + self.margin
            row_height = max(row_height, dlg.height())

        # vị trí dialog mới
        if current_x + self.width() + self.margin > screen_geometry.right():
            current_x = start_x
            current_y += row_height + self.margin

        self.move(current_x, current_y)

    def finish_listing(self):
        """Remove khỏi SharedStore, emit signal và đóng dialog"""
        try:
            store = SharedStore.get_instance()
            store.remove(self.listed_id)
            log_service.info(f"[Dialog] Removed listed_id={self.listed_id} from SharedStore")

            # Emit signal để MainWindow biết
            QTimer.singleShot(0, lambda: global_signals.dialog_finished.emit(self.account_id, self.listed_id))

            # Close dialog an toàn
            self.hide()
            self.deleteLater()
            if self in LoginHandleDialog.open_dialogs:
                LoginHandleDialog.open_dialogs.remove(self)
        except Exception as e:
            log_service.error(f"[Dialog] Exception in finish_listing for listed_id={self.listed_id}: {e}")