# =============================
# app/simulation/ui/dtc.py
# =============================

from __future__ import annotations
import tkinter as tk
from tkinter import ttk
from typing import Dict, Any
from app.simulation.ui import UITab 

DTC_LIST = [
    ("P0300", "Random/Multiple Cylinder Misfire"),
    ("P0130", "O2 Sensor Circuit (Bank1-Sensor1)"),
    ("C0035", "Wheel Speed Sensor LF"),
    ("U0121", "Lost Communication With ABS")
]

class DtcTab(UITab):
    NAME  = "dtc"
    TITLE = "Fehlercodes"
    PRIO  = 10
    def __init__(self, parent, sim):
        self.sim = sim
        self.frame = ttk.Frame(parent, padding=8)
        self.vars: Dict[str, tk.BooleanVar] = {}
        row = 0
        ttk.Label(self.frame, text="Diagnose-Flags (Demo)", style="Header.TLabel").grid(row=row, column=0, sticky="w"); row += 1
        for code, label in DTC_LIST:
            var = tk.BooleanVar(value=False)
            ttk.Checkbutton(self.frame, text=f"{code} – {label}", variable=var).grid(row=row, column=0, sticky="w")
            self.vars[code] = var; row += 1
        ttk.Button(self.frame, text="Alle löschen", command=self.clear_all).grid(row=row, column=0, sticky="w", pady=(8,0))

    def clear_all(self):
        for v in self.vars.values(): v.set(False)

    def save_into_config(self, out: Dict[str, Any]) -> None:
        out.setdefault("dtc", {})
        out["dtc"].update({code: bool(v.get()) for code, v in self.vars.items()})

    def load_from_config(self, cfg: Dict[str, Any]) -> None:
        dtc = cfg.get("dtc", {})
        for code, v in self.vars.items():
            v.set(bool(dtc.get(code, False)))
        self.sim.load_config(cfg)