"""Оформление интерфейса."""
from __future__ import annotations

import tkinter as tk
from tkinter import ttk

DARK = {
    "bg": "#1b1d22",
    "bg2": "#22252b",
    "bg3": "#2a2e36",
    "fg": "#e6e8ec",
    "fg_dim": "#9aa1ad",
    "accent": "#4a90d9",
    "accent_hi": "#5fa4e8",
    "ok": "#2e9e5b",
    "warn": "#d99a2b",
    "danger": "#d9534f",
    "border": "#343943",
    "sel": "#2f3a4a",
}

LIGHT = {
    "bg": "#f4f5f7",
    "bg2": "#ffffff",
    "bg3": "#e9ebef",
    "fg": "#1d2127",
    "fg_dim": "#5f6773",
    "accent": "#2f6fb5",
    "accent_hi": "#3d82cf",
    "ok": "#1e7a45",
    "warn": "#a5710f",
    "danger": "#b8332f",
    "border": "#cfd4dc",
    "sel": "#d6e4f5",
}


class Theme:
    def __init__(self, root: tk.Misc, dark: bool = True) -> None:
        self.root = root
        self.dark = dark
        self.c = DARK if dark else LIGHT
        self.style = ttk.Style(root)
        self.apply()

    def toggle(self) -> None:
        self.dark = not self.dark
        self.c = DARK if self.dark else LIGHT
        self.apply()

    def apply(self) -> None:
        c = self.c
        s = self.style
        try:
            s.theme_use("clam")
        except tk.TclError:
            pass

        self.root.configure(bg=c["bg"])
        base_font = ("Segoe UI", 10)

        s.configure(".", background=c["bg"], foreground=c["fg"], font=base_font,
                    fieldbackground=c["bg2"], bordercolor=c["border"],
                    lightcolor=c["bg2"], darkcolor=c["bg"])
        s.configure("TFrame", background=c["bg"])
        s.configure("Card.TFrame", background=c["bg2"], relief="flat")
        s.configure("TLabel", background=c["bg"], foreground=c["fg"])
        s.configure("Card.TLabel", background=c["bg2"], foreground=c["fg"])
        s.configure("Dim.TLabel", background=c["bg"], foreground=c["fg_dim"])
        s.configure("CardDim.TLabel", background=c["bg2"], foreground=c["fg_dim"])
        s.configure("H1.TLabel", background=c["bg"], foreground=c["fg"],
                    font=("Segoe UI Semibold", 17))
        s.configure("H2.TLabel", background=c["bg"], foreground=c["fg"],
                    font=("Segoe UI Semibold", 12))
        s.configure("CardH2.TLabel", background=c["bg2"], foreground=c["fg"],
                    font=("Segoe UI Semibold", 12))
        s.configure("Big.TLabel", background=c["bg"], foreground=c["accent_hi"],
                    font=("Segoe UI Semibold", 26))
        s.configure("CardBig.TLabel", background=c["bg2"], foreground=c["accent_hi"],
                    font=("Segoe UI Semibold", 24))

        s.configure("TButton", background=c["bg3"], foreground=c["fg"],
                    borderwidth=0, focusthickness=0, padding=(14, 7))
        s.map("TButton",
              background=[("active", c["border"]), ("disabled", c["bg2"])],
              foreground=[("disabled", c["fg_dim"])])

        s.configure("Accent.TButton", background=c["accent"], foreground="#ffffff",
                    padding=(16, 8), font=("Segoe UI Semibold", 10))
        s.map("Accent.TButton",
              background=[("active", c["accent_hi"]), ("disabled", c["bg3"])],
              foreground=[("disabled", c["fg_dim"])])

        s.configure("Danger.TButton", background=c["danger"], foreground="#ffffff",
                    padding=(16, 8), font=("Segoe UI Semibold", 10))
        s.map("Danger.TButton", background=[("active", "#e2645f"), ("disabled", c["bg3"])],
              foreground=[("disabled", c["fg_dim"])])

        s.configure("TNotebook", background=c["bg"], borderwidth=0, tabmargins=(8, 6, 8, 0))
        s.configure("TNotebook.Tab", background=c["bg"], foreground=c["fg_dim"],
                    padding=(18, 9), borderwidth=0, font=("Segoe UI", 10))
        s.map("TNotebook.Tab",
              background=[("selected", c["bg2"])],
              foreground=[("selected", c["fg"])])

        s.configure("Treeview", background=c["bg2"], fieldbackground=c["bg2"],
                    foreground=c["fg"], borderwidth=0, rowheight=26)
        s.configure("Treeview.Heading", background=c["bg3"], foreground=c["fg_dim"],
                    borderwidth=0, padding=(8, 6), font=("Segoe UI Semibold", 9))
        s.map("Treeview.Heading", background=[("active", c["border"])])
        s.map("Treeview", background=[("selected", c["sel"])],
              foreground=[("selected", c["fg"])])

        s.configure("TCheckbutton", background=c["bg"], foreground=c["fg"],
                    focuscolor=c["bg"])
        s.map("TCheckbutton", background=[("active", c["bg"])])
        s.configure("Card.TCheckbutton", background=c["bg2"], foreground=c["fg"])
        s.map("Card.TCheckbutton", background=[("active", c["bg2"])])

        s.configure("TRadiobutton", background=c["bg"], foreground=c["fg"])
        s.map("TRadiobutton", background=[("active", c["bg"])])

        s.configure("TEntry", fieldbackground=c["bg2"], foreground=c["fg"],
                    bordercolor=c["border"], insertcolor=c["fg"], padding=6)
        s.configure("TCombobox", fieldbackground=c["bg2"], foreground=c["fg"],
                    background=c["bg3"], arrowcolor=c["fg"])

        s.configure("TProgressbar", background=c["accent"], troughcolor=c["bg3"],
                    borderwidth=0, thickness=6)
        s.configure("Thin.Horizontal.TProgressbar", background=c["accent"],
                    troughcolor=c["bg3"], borderwidth=0, thickness=6)

        s.configure("TSeparator", background=c["border"])
        s.configure("TPanedwindow", background=c["bg"])
        s.configure("Vertical.TScrollbar", background=c["bg3"], troughcolor=c["bg"],
                    borderwidth=0, arrowcolor=c["fg_dim"])
        s.map("Vertical.TScrollbar", background=[("active", c["border"])])
        s.configure("Horizontal.TScrollbar", background=c["bg3"], troughcolor=c["bg"],
                    borderwidth=0, arrowcolor=c["fg_dim"])


def tag_colors(theme: Theme) -> dict[str, dict]:
    c = theme.c
    return {
        "safe": {"foreground": c["ok"]},
        "low": {"foreground": c["accent_hi"]},
        "medium": {"foreground": c["warn"]},
        "high": {"foreground": c["danger"]},
        "cat": {"foreground": c["fg"], "font": ("Segoe UI Semibold", 10)},
        "dim": {"foreground": c["fg_dim"]},
    }