"""Тёмная и светлая темы для Dear PyGui."""
from __future__ import annotations

import dearpygui.dearpygui as dpg

from ..core.model import Risk

DARK = {
    "bg": (27, 29, 34),
    "bg2": (34, 37, 43),
    "bg3": (42, 46, 54),
    "fg": (230, 232, 236),
    "fg_dim": (154, 161, 173),
    "accent": (74, 144, 217),
    "accent_hi": (95, 164, 232),
    "ok": (62, 181, 110),
    "warn": (217, 154, 43),
    "danger": (217, 83, 79),
    "border": (52, 57, 67),
    "sel": (47, 58, 74),
}

LIGHT = {
    "bg": (244, 245, 247),
    "bg2": (255, 255, 255),
    "bg3": (233, 235, 239),
    "fg": (29, 33, 39),
    "fg_dim": (95, 103, 115),
    "accent": (47, 111, 181),
    "accent_hi": (61, 130, 207),
    "ok": (30, 122, 69),
    "warn": (165, 113, 15),
    "danger": (184, 51, 47),
    "border": (207, 212, 220),
    "sel": (214, 228, 245),
}


def risk_color(risk: Risk, palette: dict) -> tuple[int, int, int]:
    return {
        Risk.SAFE: palette["ok"],
        Risk.LOW: palette["accent_hi"],
        Risk.MEDIUM: palette["warn"],
        Risk.HIGH: palette["danger"],
    }[risk]


def _rgba(c: tuple[int, int, int], a: int = 255) -> tuple[int, int, int, int]:
    return (c[0], c[1], c[2], a)


def build_theme(p: dict) -> int:
    """Глобальная тема под палитру ``p``."""
    with dpg.theme() as theme:
        with dpg.theme_component(dpg.mvAll):
            col = dpg.add_theme_color
            col(dpg.mvThemeCol_WindowBg, _rgba(p["bg"]))
            col(dpg.mvThemeCol_ChildBg, _rgba(p["bg"]))
            col(dpg.mvThemeCol_PopupBg, _rgba(p["bg2"]))
            col(dpg.mvThemeCol_Border, _rgba(p["border"]))
            col(dpg.mvThemeCol_BorderShadow, (0, 0, 0, 0))
            col(dpg.mvThemeCol_Text, _rgba(p["fg"]))
            col(dpg.mvThemeCol_TextDisabled, _rgba(p["fg_dim"]))

            col(dpg.mvThemeCol_FrameBg, _rgba(p["bg3"]))
            col(dpg.mvThemeCol_FrameBgHovered, _rgba(p["border"]))
            col(dpg.mvThemeCol_FrameBgActive, _rgba(p["sel"]))

            col(dpg.mvThemeCol_TitleBg, _rgba(p["bg2"]))
            col(dpg.mvThemeCol_TitleBgActive, _rgba(p["bg2"]))
            col(dpg.mvThemeCol_TitleBgCollapsed, _rgba(p["bg2"]))
            col(dpg.mvThemeCol_MenuBarBg, _rgba(p["bg2"]))

            col(dpg.mvThemeCol_Button, _rgba(p["bg3"]))
            col(dpg.mvThemeCol_ButtonHovered, _rgba(p["border"]))
            col(dpg.mvThemeCol_ButtonActive, _rgba(p["sel"]))

            col(dpg.mvThemeCol_Header, _rgba(p["bg2"]))
            col(dpg.mvThemeCol_HeaderHovered, _rgba(p["sel"]))
            col(dpg.mvThemeCol_HeaderActive, _rgba(p["sel"]))

            col(dpg.mvThemeCol_Tab, _rgba(p["bg"]))
            col(dpg.mvThemeCol_TabHovered, _rgba(p["bg3"]))
            col(dpg.mvThemeCol_TabActive, _rgba(p["bg2"]))
            col(dpg.mvThemeCol_TabUnfocused, _rgba(p["bg"]))
            col(dpg.mvThemeCol_TabUnfocusedActive, _rgba(p["bg2"]))

            col(dpg.mvThemeCol_CheckMark, _rgba(p["accent_hi"]))
            col(dpg.mvThemeCol_SliderGrab, _rgba(p["accent"]))
            col(dpg.mvThemeCol_SliderGrabActive, _rgba(p["accent_hi"]))
            col(dpg.mvThemeCol_PlotHistogram, _rgba(p["accent"]))
            col(dpg.mvThemeCol_PlotHistogramHovered, _rgba(p["accent_hi"]))

            col(dpg.mvThemeCol_ScrollbarBg, _rgba(p["bg"]))
            col(dpg.mvThemeCol_ScrollbarGrab, _rgba(p["bg3"]))
            col(dpg.mvThemeCol_ScrollbarGrabHovered, _rgba(p["border"]))
            col(dpg.mvThemeCol_ScrollbarGrabActive, _rgba(p["accent"]))

            col(dpg.mvThemeCol_Separator, _rgba(p["border"]))
            col(dpg.mvThemeCol_TableHeaderBg, _rgba(p["bg3"]))
            col(dpg.mvThemeCol_TableBorderStrong, _rgba(p["border"]))
            col(dpg.mvThemeCol_TableBorderLight, _rgba(p["border"]))
            col(dpg.mvThemeCol_TableRowBg, _rgba(p["bg"]))
            col(dpg.mvThemeCol_TableRowBgAlt, _rgba(p["bg2"], 120))

            st = dpg.add_theme_style
            st(dpg.mvStyleVar_FrameRounding, 4)
            st(dpg.mvStyleVar_ChildRounding, 6)
            st(dpg.mvStyleVar_PopupRounding, 6)
            st(dpg.mvStyleVar_WindowRounding, 6)
            st(dpg.mvStyleVar_GrabRounding, 4)
            st(dpg.mvStyleVar_TabRounding, 4)
            st(dpg.mvStyleVar_ScrollbarRounding, 6)
            st(dpg.mvStyleVar_FramePadding, 10, 6)
            st(dpg.mvStyleVar_ItemSpacing, 9, 7)
            st(dpg.mvStyleVar_ItemInnerSpacing, 7, 5)
            st(dpg.mvStyleVar_WindowPadding, 14, 12)
            st(dpg.mvStyleVar_CellPadding, 7, 5)
            st(dpg.mvStyleVar_ScrollbarSize, 13)
            st(dpg.mvStyleVar_WindowBorderSize, 0)
            st(dpg.mvStyleVar_FrameBorderSize, 0)
    return theme


def build_accent_button_theme(p: dict, base: str = "accent") -> int:
    """Тема для выделенной кнопки (основное действие / опасное действие)."""
    color = p[base]
    hi = tuple(min(255, v + 22) for v in color)
    with dpg.theme() as theme:
        with dpg.theme_component(dpg.mvAll):
            dpg.add_theme_color(dpg.mvThemeCol_Button, _rgba(color))
            dpg.add_theme_color(dpg.mvThemeCol_ButtonHovered, _rgba(hi))
            dpg.add_theme_color(dpg.mvThemeCol_ButtonActive, _rgba(color))
            dpg.add_theme_color(dpg.mvThemeCol_Text, (255, 255, 255, 255))
            dpg.add_theme_style(dpg.mvStyleVar_FramePadding, 14, 8)
    return theme


def build_card_theme(p: dict) -> int:
    """Тема для «карточки» — дочернего окна с более светлым фоном."""
    with dpg.theme() as theme:
        with dpg.theme_component(dpg.mvAll):
            dpg.add_theme_color(dpg.mvThemeCol_ChildBg, _rgba(p["bg2"]))
            dpg.add_theme_style(dpg.mvStyleVar_ChildRounding, 8)
            dpg.add_theme_style(dpg.mvStyleVar_WindowPadding, 16, 14)
    return theme


def build_bar_theme(p: dict, color_key: str) -> int:
    """Тема полосы заполнения (диски, категории)."""
    with dpg.theme() as theme:
        with dpg.theme_component(dpg.mvAll):
            dpg.add_theme_color(dpg.mvThemeCol_PlotHistogram, _rgba(p[color_key]))
            dpg.add_theme_color(dpg.mvThemeCol_FrameBg, _rgba(p["bg3"]))
            dpg.add_theme_style(dpg.mvStyleVar_FrameRounding, 3)
    return theme