import type { HTMLAttributes, ReactNode } from 'react';

type PlatformRuntimeStatusTone =
  | 'error'
  | 'success'
  | 'info'
  | 'warning'
  | 'neutral';
type PlatformRuntimeStatusSurface = 'light' | 'dark' | 'solid';
type PlatformRuntimeStatusSize = 'xs' | 'sm' | 'md';
type PlatformRuntimeStatusShape = 'pill' | 'rounded';

type PlatformRuntimeStatusToastProps = Omit<
  HTMLAttributes<HTMLDivElement>,
  'children'
> & {
  tone: PlatformRuntimeStatusTone;
  surface?: PlatformRuntimeStatusSurface;
  size?: PlatformRuntimeStatusSize;
  shape?: PlatformRuntimeStatusShape;
  children: ReactNode;
};

const PLATFORM_RUNTIME_STATUS_SURFACE_CLASS: Record<
  PlatformRuntimeStatusSurface,
  Record<PlatformRuntimeStatusTone, string>
> = {
  light: {
    error:
      'border-white/70 bg-white/86 text-[var(--platform-button-danger-text)]',
    success:
      'border-white/70 bg-white/86 text-[var(--platform-success-text)]',
    info: 'border-white/70 bg-white/86 text-[var(--platform-cool-text)]',
    warning: 'border-white/70 bg-white/86 text-[var(--platform-warm-text)]',
    neutral: 'border-white/70 bg-white/86 text-[var(--platform-text-base)]',
  },
  dark: {
    error: 'border-rose-200/35 bg-rose-400/18 text-rose-50',
    success: 'border-emerald-200/35 bg-emerald-400/18 text-emerald-50',
    info: 'border-sky-200/30 bg-sky-400/16 text-sky-50',
    warning: 'border-amber-200/35 bg-amber-400/18 text-amber-50',
    neutral: 'border-white/15 bg-white/12 text-white/82',
  },
  solid: {
    error: 'border-transparent bg-rose-600 text-white',
    success: 'border-transparent bg-emerald-600 text-white',
    info: 'border-transparent bg-sky-600 text-white',
    warning: 'border-transparent bg-amber-500 text-amber-950',
    neutral: 'border-transparent bg-slate-800 text-white',
  },
};

const PLATFORM_RUNTIME_STATUS_SIZE_CLASS: Record<
  PlatformRuntimeStatusSize,
  string
> = {
  xs: 'px-3 py-1 text-xs leading-5',
  sm: 'px-3 py-2 text-sm leading-5',
  md: 'px-4 py-3 text-sm leading-6',
};

const PLATFORM_RUNTIME_STATUS_SHAPE_CLASS: Record<
  PlatformRuntimeStatusShape,
  string
> = {
  pill: 'rounded-full',
  rounded: 'rounded-[1.2rem]',
};

/**
 * 运行态 HUD 状态提示。
 * 收口游戏内短错误、成功和反馈 chip，位置与玩法强品牌视觉仍由调用方控制。
 */
export function PlatformRuntimeStatusToast({
  tone,
  surface = 'light',
  size = 'sm',
  shape = 'pill',
  children,
  className,
  role,
  ...divProps
}: PlatformRuntimeStatusToastProps) {
  const ariaLive = divProps['aria-live'];

  return (
    <div
      {...divProps}
      role={role ?? (tone === 'error' ? 'alert' : 'status')}
      aria-live={ariaLive ?? (tone === 'error' ? 'assertive' : 'polite')}
      className={[
        'platform-runtime-status-toast inline-flex max-w-full items-center justify-center gap-1.5 border text-center font-black shadow-sm backdrop-blur',
        PLATFORM_RUNTIME_STATUS_SIZE_CLASS[size],
        PLATFORM_RUNTIME_STATUS_SHAPE_CLASS[shape],
        PLATFORM_RUNTIME_STATUS_SURFACE_CLASS[surface][tone],
        className,
      ]
        .filter(Boolean)
        .join(' ')}
    >
      {children}
    </div>
  );
}
