"""Tooltip system for enhanced user experience."""

import tkinter as tk


class ToolTip:
    """Create a tooltip for a given widget."""

    def __init__(
        self,
        widget: tk.Widget,
        text: str,
        delay: int = 500,
        wrap_length: int = 250,
    ) -> None:
        self.widget = widget
        self.text = text
        self.delay = delay
        self.wrap_length = wrap_length
        self.tooltip: tk.Toplevel | None = None
        self.id_after: str | None = None

        # Bind events
        self.widget.bind("<Enter>", self._on_enter)
        self.widget.bind("<Leave>", self._on_leave)
        self.widget.bind("<ButtonPress>", self._on_leave)

    def _on_enter(self, event: tk.Event | None = None) -> None:
        """Mouse entered widget - schedule tooltip."""
        self._cancel_scheduled()
        self.id_after = self.widget.after(self.delay, self._show_tooltip)

    def _on_leave(self, event: tk.Event | None = None) -> None:
        """Mouse left widget - hide tooltip."""
        self._cancel_scheduled()
        self._hide_tooltip()

    def _cancel_scheduled(self) -> None:
        """Cancel any scheduled tooltip."""
        if self.id_after:
            self.widget.after_cancel(self.id_after)
            self.id_after = None

    def _show_tooltip(self) -> None:
        """Display the tooltip."""
        if self.tooltip:
            return

        # Get widget position
        x = self.widget.winfo_rootx() + 25
        y = self.widget.winfo_rooty() + 25

        # Create tooltip window
        self.tooltip = tk.Toplevel(self.widget)
        self.tooltip.wm_overrideredirect(True)
        self.tooltip.wm_geometry(f"+{x}+{y}")

        # Create tooltip content
        label = tk.Label(
            self.tooltip,
            text=self.text,
            justify="left",
            background="#ffffe0",
            foreground="#000000",
            relief="solid",
            borderwidth=1,
            font=("TkDefaultFont", "9", "normal"),
            wraplength=self.wrap_length,
            padx=8,
            pady=6,
        )
        label.pack()

        # Make sure tooltip appears above other windows
        self.tooltip.lift()

    def _hide_tooltip(self) -> None:
        """Hide the tooltip."""
        if self.tooltip:
            self.tooltip.destroy()
            self.tooltip = None

    def update_text(self, new_text: str) -> None:
        """Update the tooltip text."""
        self.text = new_text


class TooltipManager:
    """Manages tooltips for UI elements."""

    def __init__(self, theme_manager) -> None:
        self.theme_manager = theme_manager
        self.tooltips: list[ToolTip] = []

    def add_tooltip(
        self,
        widget: tk.Widget,
        text: str,
        delay: int = 500,
        wrap_length: int = 250,
    ) -> ToolTip:
        """Add a tooltip to a widget."""
        tooltip = ToolTip(widget, text, delay, wrap_length)
        self.tooltips.append(tooltip)
        return tooltip

    def add_scale_tooltip(self, scale_widget: tk.Widget, pathology_name: str) -> None:
        """Add a specialized tooltip for pathology scales."""
        text = (
            f"Adjust your {pathology_name} level\\n"
            "• Drag the slider to set your current level\\n"
            "• Higher values typically indicate worse symptoms\\n"
            "• Use the full range for accurate tracking"
        )
        self.add_tooltip(scale_widget, text, delay=800)

    def add_medicine_tooltip(self, widget: tk.Widget, medicine_name: str) -> None:
        """Add a specialized tooltip for medicine checkboxes."""
        text = (
            f"Mark if you took {medicine_name} today\\n"
            "• Check the box when you've taken this medication\\n"
            "• This helps track your medication adherence\\n"
            "• You can add dose details when editing entries"
        )
        self.add_tooltip(widget, text, delay=600)

    def add_button_tooltip(self, widget: tk.Widget, action: str) -> None:
        """Add a tooltip for action buttons."""
        tooltips_map = {
            "save": (
                "Save your current entry (Ctrl+S)\\nThis will add a new daily record"
            ),
            "export": (
                "Export your data to various formats\\n"
                "Supports CSV, PDF, and image exports"
            ),
            "refresh": (
                "Reload data from file (F5)\\nUpdates the display with latest changes"
            ),
            "settings": (
                "Open application settings (F2)\\nCustomize themes and preferences"
            ),
            "quit": (
                "Exit the application (Ctrl+Q)\\nYour data will be automatically saved"
            ),
        }

        text = tooltips_map.get(action, f"Perform {action} action")
        self.add_tooltip(widget, text, delay=400)

    def add_menu_tooltip(self, widget: tk.Widget, menu_type: str) -> None:
        """Add tooltips for menu items."""
        tooltips_map = {
            "theme": (
                "Quick theme selection\\nClick to instantly change the app's appearance"
            ),
            "file": "File operations\\nExport data and manage files",
            "tools": ("Data management tools\\nConfigure medicines and pathologies"),
            "help": ("Get help and information\\nKeyboard shortcuts and about dialog"),
        }

        text = tooltips_map.get(menu_type, "Menu options")
        self.add_tooltip(widget, text, delay=600)