import os
import re
from tkinter import TclError

import customtkinter as ctk

try:
    import arabic_reshaper
    from bidi.algorithm import get_display
except ImportError:
    arabic_reshaper = None
    get_display = None


ctk.set_appearance_mode("light")
ctk.set_default_color_theme("blue")


PRIMARY = "#175B4B"
PRIMARY_DARK = "#0E4236"
PRIMARY_SOFT = "#DFF1E8"
ACCENT = "#E8A04D"
ACCENT_DARK = "#C97E2D"
BACKGROUND = "#F5EFE7"
CARD = "#FFFDFC"
SURFACE = "#FBF7F2"
INPUT_BG = "#FFFCF8"
TEXT = "#16312A"
MUTED = "#6B7A77"
DANGER = "#B6465F"
WARNING = "#9A6C3C"
BORDER = "#E5DCCE"

KEYBOARD_BG = "#D4DCE2"
KEY_FACE = "#FFFFFF"
KEY_MUTED = "#BCC1C9"
KEY_TEXT = "#000000"

SIDEBAR = "#1B5A4A"
SIDEBAR_SOFT = "#245E4E"

FONT_BODY = "Tahoma" if os.name == "nt" else "DejaVu Sans"
FONT_TITLE = "Tahoma" if os.name == "nt" else "DejaVu Sans"

RTL_PATTERN = re.compile(r"[\u0600-\u06FF]")


def ui_text(value):
    if not isinstance(value, str) or not value:
        return value
    if arabic_reshaper is None or get_display is None or not RTL_PATTERN.search(value):
        return value
    return get_display(arabic_reshaper.reshape(value))


class _RTLTextMixin:
    @staticmethod
    def _normalize_kwargs(kwargs):
        normalized = dict(kwargs)
        if "text" in normalized:
            normalized["text"] = ui_text(normalized["text"])
        if "placeholder_text" in normalized:
            normalized["placeholder_text"] = ui_text(normalized["placeholder_text"])
        if "label_text" in normalized:
            normalized["label_text"] = ui_text(normalized["label_text"])
        return normalized


class RTLLabel(_RTLTextMixin, ctk.CTkLabel):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **self._normalize_kwargs(kwargs))

    def configure(self, require_redraw=False, **kwargs):
        return super().configure(require_redraw=require_redraw, **self._normalize_kwargs(kwargs))


class RTLButton(_RTLTextMixin, ctk.CTkButton):
    def __init__(self, *args, **kwargs):
        kwargs.setdefault("corner_radius", 16)
        super().__init__(*args, **self._normalize_kwargs(kwargs))

    def configure(self, require_redraw=False, **kwargs):
        return super().configure(require_redraw=require_redraw, **self._normalize_kwargs(kwargs))


class RTLEntry(_RTLTextMixin, ctk.CTkEntry):
    def __init__(self, *args, **kwargs):
        kwargs.setdefault("justify", "right")
        kwargs.setdefault("fg_color", INPUT_BG)
        kwargs.setdefault("border_color", BORDER)
        kwargs.setdefault("corner_radius", 16)
        super().__init__(*args, **self._normalize_kwargs(kwargs))

    def configure(self, require_redraw=False, **kwargs):
        return super().configure(require_redraw=require_redraw, **self._normalize_kwargs(kwargs))


class RTLTextbox(ctk.CTkTextbox):
    def insert(self, index, text, *tags):
        return super().insert(index, ui_text(text), *tags)


class RTLScrollableFrame(_RTLTextMixin, ctk.CTkScrollableFrame):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **self._normalize_kwargs(kwargs))

    def configure(self, require_redraw=False, **kwargs):
        return super().configure(require_redraw=require_redraw, **self._normalize_kwargs(kwargs))