"""
Theme palettes — Catppuccin Frappé (dark) and Catppuccin Latte (light).

Usage:
    from app.config.theme import get_palette, apply_qss, is_dark
"""
from pathlib import Path


# ── Catppuccin Frappé ─────────────────────────────────────────────────────────
DARK = {
    "base":     "#303446",
    "mantle":   "#292c3c",
    "crust":    "#232634",
    "surface0": "#414559",
    "surface1": "#51576d",
    "surface2": "#626880",
    "overlay":  "#737994",
    "subtext":  "#a5adce",
    "text":     "#c6d0f5",
    "blue":     "#8caaee",
    "lavender": "#babbf1",
    "green":    "#a6d189",
    "teal":     "#81c8be",
    "sky":      "#99d1db",
    "red":      "#e78284",
    "peach":    "#ef9f76",
    "yellow":   "#e5c890",
    "mauve":    "#ca9ee6",
    # derived UI tokens
    "gutter_bg":  "#2a2d3e",
    "dirty_bg":   "#3a2f25",
    "dirty_fg":   "#ef9f76",
    "delete_bg":  "#3a2530",
    "delete_fg":  "#e78284",
    # syntax
    "syn_keyword":  "#8caaee",
    "syn_type":     "#ef9f76",
    "syn_function": "#a6d189",
    "syn_string":   "#a6d189",
    "syn_number":   "#ef9f76",
    "syn_comment":  "#737994",
    "syn_operator": "#ca9ee6",
    "syn_ident":    "#99d1db",
    # completer popup
    "popup_bg":       "#292c3c",
    "popup_border":   "#51576d",
    "popup_selected": "#414559",
    "popup_hover":    "#363a4f",
}

# ── Catppuccin Latte ──────────────────────────────────────────────────────────
LIGHT = {
    "base":     "#eff1f5",
    "mantle":   "#e6e9ef",
    "crust":    "#dce0e8",
    "surface0": "#ccd0da",
    "surface1": "#bcc0cc",
    "surface2": "#acb0be",
    "overlay":  "#9ca0b0",
    "subtext":  "#6c6f85",
    "text":     "#4c4f69",
    "blue":     "#1e66f5",
    "lavender": "#7287fd",
    "green":    "#40a02b",
    "teal":     "#179299",
    "sky":      "#04a5e5",
    "red":      "#d20f39",
    "peach":    "#fe640b",
    "yellow":   "#df8e1d",
    "mauve":    "#8839ef",
    # derived UI tokens
    "gutter_bg":  "#dce0e8",
    "dirty_bg":   "#fff3e6",
    "dirty_fg":   "#fe640b",
    "delete_bg":  "#ffe8ed",
    "delete_fg":  "#d20f39",
    # syntax
    "syn_keyword":  "#1e66f5",
    "syn_type":     "#fe640b",
    "syn_function": "#40a02b",
    "syn_string":   "#40a02b",
    "syn_number":   "#fe640b",
    "syn_comment":  "#9ca0b0",
    "syn_operator": "#8839ef",
    "syn_ident":    "#04a5e5",
    # completer popup
    "popup_bg":       "#e6e9ef",
    "popup_border":   "#bcc0cc",
    "popup_selected": "#ccd0da",
    "popup_hover":    "#d8dce8",
}

_QSS_DIR = Path(__file__).parent.parent.parent / "resources"


def get_palette() -> dict:
    """Return the color dict for the currently active theme."""
    from app.config.settings import get_settings
    name = get_settings().get("theme", "dark")
    return DARK if name == "dark" else LIGHT


def is_dark() -> bool:
    from app.config.settings import get_settings
    return get_settings().get("theme", "dark") == "dark"


def qss_path(theme: str) -> Path:
    name = "style" if theme == "dark" else "style_light"
    return _QSS_DIR / f"{name}.qss"


def apply_qss(app, theme: str = None) -> None:
    """Load and apply the QSS for *theme* (defaults to current setting)."""
    from app.config.settings import get_settings
    if theme is None:
        theme = get_settings().get("theme", "dark")
    path = qss_path(theme)
    if path.exists():
        app.setStyleSheet(path.read_text(encoding="utf-8"))