# -*- coding: utf-8 -*-
"""Стили и тема приложения — тёмная тема в стиле Catppuccin Mocha."""

import tkinter as tk
from tkinter import ttk

# Палитра Catppuccin Mocha
COLORS = {
    "bg": "#1e1e2e",           # Base
    "surface": "#313244",       # Surface0
    "overlay": "#45475a",       # Surface1
    "text": "#cdd6f4",         # Text
    "subtext": "#a6adc8",      # Subtext0
    "accent": "#89b4fa",        # Blue
    "accent_hover": "#b4befe",  # Lavender
    "green": "#a6e3a1",        # Green
    "red": "#f38ba8",          # Red
    "yellow": "#f9e2af",       # Yellow
    "border": "#585b70",       # Surface2
}


def setup_theme(root: tk.Tk):
    """Применяет тёмную тему к окну и настраивает ttk.Style."""
    root.configure(bg=COLORS["bg"])
    root.option_add("*Font", "Tahoma 10")

    style = ttk.Style(root)
    style.theme_use("clam")

    # Общие
    style.configure(
        ".",
        background=COLORS["bg"],
        foreground=COLORS["text"],
        fieldbackground=COLORS["surface"],
        troughcolor=COLORS["overlay"],
        borderwidth=0,
    )
    style.map(".", background=[("active", COLORS["overlay"])])

    # Frame / карточки
    style.configure(
        "Card.TFrame",
        background=COLORS["surface"],
        relief="flat",
    )
    style.configure(
        "Card.TLabelframe",
        background=COLORS["surface"],
        foreground=COLORS["text"],
    )
    style.configure(
        "Card.TLabelframe.Label",
        background=COLORS["surface"],
        foreground=COLORS["accent"],
        font="Tahoma 10 bold",
    )

    # Кнопки
    style.configure(
        "TButton",
        background=COLORS["overlay"],
        foreground=COLORS["text"],
        padding=(12, 6),
        font="Tahoma 9",
    )
    style.map(
        "TButton",
        background=[("active", COLORS["border"]), ("pressed", COLORS["accent"])],
        foreground=[("active", COLORS["text"])],
    )

    # Акцентная кнопка (Выполнить)
    style.configure(
        "Accent.TButton",
        background=COLORS["accent"],
        foreground=COLORS["bg"],
        padding=(20, 10),
        font="Tahoma 10 bold",
    )
    style.map(
        "Accent.TButton",
        background=[("active", COLORS["accent_hover"]), ("pressed", COLORS["overlay"])],
        foreground=[("active", COLORS["bg"])],
    )

    # Поля ввода
    style.configure(
        "TEntry",
        fieldbackground=COLORS["surface"],
        foreground=COLORS["text"],
        insertcolor=COLORS["text"],
        padding=6,
    )

    # Combobox
    style.configure(
        "TCombobox",
        fieldbackground=COLORS["surface"],
        background=COLORS["overlay"],
        foreground=COLORS["text"],
        arrowcolor=COLORS["text"],
        padding=6,
    )
    style.map("TCombobox", fieldbackground=[("readonly", COLORS["surface"])])

    # Progressbar
    style.configure(
        "TProgressbar",
        background=COLORS["accent"],
        troughcolor=COLORS["overlay"],
        borderwidth=0,
        thickness=8,
    )

    # Scrollbar
    style.configure(
        "TScrollbar",
        background=COLORS["overlay"],
        troughcolor=COLORS["surface"],
        borderwidth=0,
        arrowcolor=COLORS["text"],
    )
    style.map("TScrollbar", background=[("active", COLORS["border"])])

    # Label — шрифт одной строкой, иначе Tcl воспринимает "UI" как размер
    style.configure("TLabel", background=COLORS["bg"], foreground=COLORS["text"])
    style.configure(
        "Header.TLabel",
        background=COLORS["bg"],
        foreground=COLORS["text"],
        font="Tahoma 16 bold",
    )
    style.configure(
        "Subtext.TLabel",
        background=COLORS["surface"],
        foreground=COLORS["subtext"],
        font="Tahoma 9",
    )

    return style