"""
CLI theme configuration.

Centralized color and style definitions.
"""
from dataclasses import dataclass
from functools import lru_cache

from rich.console import Console
from rich.theme import Theme


@dataclass(frozen=True)
class ThemeColors:
    """Color palette for the CLI."""

    # Semantic colors
    info: str = "steel_blue"
    warning: str = "dark_orange"
    error: str = "red3"
    success: str = "sea_green3"

    # UI elements
    prompt: str = "steel_blue bold"
    title: str = "steel_blue bold"
    path: str = "steel_blue underline"
    code: str = "sea_green3"
    highlight: str = "medium_purple1"
    dim: str = "dim white"

    # Panel borders
    border_default: str = "steel_blue"
    border_success: str = "sea_green3"
    border_error: str = "red3"
    border_warning: str = "dark_orange"


@dataclass(frozen=True)
class ThemeConfig:
    """Complete theme configuration."""

    colors: ThemeColors = ThemeColors()
    spinner: str = "dots"
    syntax_theme: str = "monokai"

    def to_rich_theme_dict(self) -> dict[str, str]:
        """Convert to Rich theme dictionary."""
        return {
            "info": self.colors.info,
            "warning": self.colors.warning,
            "error": self.colors.error,
            "success": self.colors.success,
            "prompt": self.colors.prompt,
            "title": self.colors.title,
            "path": self.colors.path,
            "code": self.colors.code,
            "highlight": self.colors.highlight,
            "dim": self.colors.dim,
        }


DEFAULT_THEME = ThemeConfig()


def get_theme() -> ThemeConfig:
    """Get the current theme configuration."""
    return DEFAULT_THEME


@lru_cache
def get_console() -> Console:
    """Get the shared console instance with theme applied."""
    theme = get_theme()
    rich_theme = Theme(theme.to_rich_theme_dict())
    return Console(theme=rich_theme)