# target_simulator/gui/add_target_window.py
"""
Toplevel window for adding or editing a target.
"""
import tkinter as tk
from tkinter import ttk, messagebox
from core.models import Target, MIN_TARGET_ID, MAX_TARGET_ID, Waypoint

class AddTargetWindow(tk.Toplevel):
    def _on_cancel(self):
        self.new_target = None
        self.destroy()
    def _on_ok(self):
        target_id = self.id_var.get()
        if target_id in self.existing_ids:
            messagebox.showerror("Invalid ID", f"Target ID {target_id} is already in use.", parent=self)
            return

        try:
            # Conversione da knots a fps
            knots_to_fps = 1.68781
            velocity_fps = self.vel_knots_var.get() * knots_to_fps
            
            default_trajectory = [
                Waypoint(
                    duration_s=3600,
                    target_velocity_fps=velocity_fps,
                    target_heading_deg=self.hdg_var.get()
                )
            ]

            self.new_target = Target(
                target_id=target_id,
                initial_range_nm=self.range_var.get(),
                initial_azimuth_deg=self.az_var.get(),
                initial_altitude_ft=self.alt_var.get(),
                trajectory=default_trajectory
            )
            self.destroy()
        except ValueError as e:
            messagebox.showerror("Validation Error", str(e), parent=self)
    """A dialog for entering new target data."""
    def __init__(self, master, existing_ids: list[int]):
        super().__init__(master)
        self.master_view = master
        self.new_target: Target | None = None
        self.existing_ids = existing_ids

        self.title("Add New Target")
        self.transient(master)
        self.grab_set()
        self.resizable(False, False)

        self._create_widgets()
        self.protocol("WM_DELETE_WINDOW", self._on_cancel)
        # wait_window verrà chiamato dal chiamante dopo la precompilazione dei dati

    def _create_widgets(self):
        main_frame = ttk.Frame(self, padding="10")
        main_frame.pack(fill=tk.BOTH, expand=True)

        # --- Target ID ---
        id_frame = ttk.LabelFrame(main_frame, text="Target Identifier")
        id_frame.pack(fill=tk.X, expand=True, pady=5)
        ttk.Label(id_frame, text="Target ID:").pack(side=tk.LEFT, padx=5, pady=5)
        
        # Propose a valid ID
        proposed_id = next((i for i in range(MIN_TARGET_ID, MAX_TARGET_ID + 1) if i not in self.existing_ids), None)
        self.id_var = tk.IntVar(value=proposed_id if proposed_id is not None else MIN_TARGET_ID)
        
        self.id_spinbox = ttk.Spinbox(id_frame, from_=MIN_TARGET_ID, to=MAX_TARGET_ID, textvariable=self.id_var, width=10)
        self.id_spinbox.pack(side=tk.LEFT, padx=5, pady=5)

        # --- Kinematics Frame ---
        kinematics_frame = ttk.LabelFrame(main_frame, text="Kinematics (Spherical)")
        kinematics_frame.pack(fill=tk.X, expand=True, pady=5)

        self.range_var = tk.DoubleVar(value=20.0)
        self.az_var = tk.DoubleVar(value=45.0)
        self.vel_knots_var = tk.DoubleVar(value=500.0)
        self.hdg_var = tk.DoubleVar(value=270.0)
        self.alt_var = tk.DoubleVar(value=10000.0)

        # Using a grid for alignment
        ttk.Label(kinematics_frame, text="Range (NM):").grid(row=0, column=0, sticky=tk.W, padx=5, pady=2)
        ttk.Spinbox(kinematics_frame, from_=0, to=1000, textvariable=self.range_var).grid(row=0, column=1, sticky=tk.EW, padx=5, pady=2)
        ttk.Label(kinematics_frame, text="Azimuth (°):").grid(row=1, column=0, sticky=tk.W, padx=5, pady=2)
        ttk.Spinbox(kinematics_frame, from_=-180, to=180, textvariable=self.az_var).grid(row=1, column=1, sticky=tk.EW, padx=5, pady=2)
        ttk.Label(kinematics_frame, text="Velocity (knots):").grid(row=2, column=0, sticky=tk.W, padx=5, pady=2)
        ttk.Spinbox(kinematics_frame, from_=0, to=2000, textvariable=self.vel_knots_var).grid(row=2, column=1, sticky=tk.EW, padx=5, pady=2)
        ttk.Label(kinematics_frame, text="Heading (°):").grid(row=3, column=0, sticky=tk.W, padx=5, pady=2)
        ttk.Spinbox(kinematics_frame, from_=0, to=360, textvariable=self.hdg_var).grid(row=3, column=1, sticky=tk.EW, padx=5, pady=2)
        ttk.Label(kinematics_frame, text="Altitude (ft):").grid(row=4, column=0, sticky=tk.W, padx=5, pady=2)
        ttk.Spinbox(kinematics_frame, from_=-1000, to=80000, textvariable=self.alt_var).grid(row=4, column=1, sticky=tk.EW, padx=5, pady=2)

        # --- Buttons ---
        button_frame = ttk.Frame(main_frame)
        button_frame.pack(pady=10)
        ttk.Button(button_frame, text="OK", command=self._on_ok).pack(side=tk.LEFT, padx=5)
        ttk.Button(button_frame, text="Cancel", command=self._on_cancel).pack(side=tk.LEFT, padx=5)

    # Rimosso duplicato: rimane solo la prima versione di _create_widgets