import {
  AlertCircle,
  CheckCircle2,
  Loader2,
  XCircle,
} from 'lucide-react';
import type { ReactNode } from 'react';

import { PlatformActionButton } from './PlatformActionButton';
import type {
  PlatformActionButtonSize,
  PlatformActionButtonSurface,
  PlatformActionButtonTone,
} from './platformActionButtonModel';
import { PlatformIconBadge } from './PlatformIconBadge';
import { UnifiedModal } from './UnifiedModal';

export type PlatformStatusDialogStatus =
  | 'success'
  | 'cancel'
  | 'error'
  | 'loading'
  | 'confirming';

type PlatformStatusDialogAction = {
  label: string;
  onClick: () => void;
  disabled?: boolean;
  tone?: PlatformActionButtonTone;
  surface?: PlatformActionButtonSurface;
  size?: PlatformActionButtonSize;
  fullWidth?: boolean;
  className?: string;
};

type PlatformStatusDialogProps = {
  open?: boolean;
  status: PlatformStatusDialogStatus;
  title: string;
  description?: ReactNode;
  children?: ReactNode;
  onClose: () => void;
  action?: PlatformStatusDialogAction;
  showHeader?: boolean;
  showBodyTitle?: boolean;
  showCloseButton?: boolean;
  closeOnBackdrop?: boolean;
  closeOnEscape?: boolean;
  closeLabel?: string;
  closeDisabled?: boolean;
  zIndexClassName?: string;
  overlayClassName?: string;
  panelClassName?: string;
  bodyClassName?: string;
  iconClassName?: string;
  icon?: ReactNode;
  iconLabel?: string;
};

type PlatformStatusVisualConfig = {
  icon: ReactNode;
  iconClassName: string;
};

const DEFAULT_OVERLAY_CLASS =
  'platform-theme platform-theme--light platform-profile-modal-overlay bg-slate-950/72 backdrop-blur-xl';
const DEFAULT_PANEL_CLASS =
  'platform-remap-surface !max-w-sm rounded-[1.4rem]';
const DEFAULT_BODY_CLASS = 'px-5 pb-5 pt-6 text-center';

function joinClassNames(...classNames: Array<string | undefined>) {
  return classNames.filter(Boolean).join(' ');
}

function getStatusVisualConfig(
  status: PlatformStatusDialogStatus,
): PlatformStatusVisualConfig {
  switch (status) {
    case 'success':
      return {
        icon: <CheckCircle2 className="h-8 w-8" aria-hidden="true" />,
        iconClassName: 'text-[var(--platform-success-text)]',
      };
    case 'cancel':
      return {
        icon: <XCircle className="h-8 w-8" aria-hidden="true" />,
        iconClassName: 'text-[var(--platform-text-soft)]',
      };
    case 'error':
      return {
        icon: <AlertCircle className="h-8 w-8" aria-hidden="true" />,
        iconClassName: 'text-[var(--platform-button-danger-text)]',
      };
    case 'loading':
    case 'confirming':
      return {
        icon: (
          <Loader2 className="h-8 w-8 animate-spin" aria-hidden="true" />
        ),
        iconClassName: 'text-[var(--platform-accent)]',
      };
  }
}

/**
 * 平台状态弹窗。
 * 收口个人中心这类“状态图标 + 标题正文 + 可选主动作”的无头弹窗模式。
 */
export function PlatformStatusDialog({
  open = true,
  status,
  title,
  description,
  children,
  onClose,
  action,
  showHeader = false,
  showBodyTitle,
  showCloseButton = false,
  closeOnBackdrop = false,
  closeOnEscape = false,
  closeLabel,
  closeDisabled = false,
  zIndexClassName = 'z-[90]',
  overlayClassName,
  panelClassName = DEFAULT_PANEL_CLASS,
  bodyClassName = DEFAULT_BODY_CLASS,
  iconClassName,
  icon,
  iconLabel,
}: PlatformStatusDialogProps) {
  const visualConfig = getStatusVisualConfig(status);
  const badgeIcon = icon ?? visualConfig.icon;
  const shouldRenderBodyTitle = showBodyTitle ?? !showHeader;

  return (
    <UnifiedModal
      open={open}
      title={title}
      onClose={onClose}
      showHeader={showHeader}
      showCloseButton={showCloseButton}
      closeLabel={closeLabel}
      closeDisabled={closeDisabled}
      closeOnBackdrop={closeOnBackdrop}
      closeOnEscape={closeOnEscape}
      portal={false}
      size="sm"
      zIndexClassName={zIndexClassName}
      overlayClassName={joinClassNames(
        DEFAULT_OVERLAY_CLASS,
        overlayClassName,
      )}
      panelClassName={panelClassName}
      bodyClassName={bodyClassName}
      >
      <PlatformIconBadge
        icon={badgeIcon}
        label={iconLabel}
        size="xl"
        tone="neutral"
        className={[
          'mx-auto bg-white/10',
          visualConfig.iconClassName,
          iconClassName,
        ]
          .filter(Boolean)
          .join(' ')}
      />
      {shouldRenderBodyTitle ? (
        <div className="mt-4 text-xl font-black text-[var(--platform-text-strong)]">
          {title}
        </div>
      ) : null}
      {children ? (
        <div className="mt-3 text-sm font-semibold leading-6 text-[var(--platform-text-base)]">
          {children}
        </div>
      ) : null}
      {description ? (
        <div className="mt-3 text-sm font-semibold leading-6 text-[var(--platform-text-soft)]">
          {description}
        </div>
      ) : null}
      {action ? (
        <PlatformActionButton
          fullWidth={action.fullWidth ?? true}
          size={action.size ?? 'md'}
          tone={action.tone}
          surface={action.surface ?? 'profile'}
          className={['mt-5', action.className].filter(Boolean).join(' ')}
          onClick={action.onClick}
          disabled={action.disabled}
        >
          {action.label}
        </PlatformActionButton>
      ) : null}
    </UnifiedModal>
  );
}