import { memo, useMemo } from 'react'
import {
  CheckCircle,
  AlertTriangle,
  Clock,
  PauseCircle,
  Activity,
  type LucideIcon,
} from 'lucide-react'
import { cn } from '@/lib/utils'
import { statusLabel } from '@/lib/utils'

export type StatusSize = 'sm' | 'md'

interface StatusBadgeProps {
  status: string
  showLabel?: boolean
  size?: StatusSize
  className?: string
}

interface StatusConfig {
  icon: LucideIcon
  color: string
  bg: string
  label: string
}

const STATUS_CONFIG: Record<string, Omit<StatusConfig, 'label'>> = {
  running: {
    icon: CheckCircle,
    color: 'text-emerald-500',
    bg: 'bg-emerald-100 text-emerald-700',
  },
  active: {
    icon: CheckCircle,
    color: 'text-emerald-500',
    bg: 'bg-emerald-100 text-emerald-700',
  },
  failed: {
    icon: AlertTriangle,
    color: 'text-red-500',
    bg: 'bg-red-100 text-red-700',
  },
  error: {
    icon: AlertTriangle,
    color: 'text-red-500',
    bg: 'bg-red-100 text-red-700',
  },
  pending: {
    icon: Clock,
    color: 'text-amber-500',
    bg: 'bg-amber-100 text-amber-700',
  },
  stopped: {
    icon: PauseCircle,
    color: 'text-slate-400',
    bg: 'bg-slate-100 text-slate-600',
  },
  inactive: {
    icon: PauseCircle,
    color: 'text-slate-400',
    bg: 'bg-slate-100 text-slate-600',
  },
  deploying: {
    icon: Activity,
    color: 'text-blue-500',
    bg: 'bg-blue-100 text-blue-700',
  },
}

function getStatusConfig(status: string): StatusConfig {
  const config = STATUS_CONFIG[status] || {
    icon: Clock,
    color: 'text-slate-400',
    bg: 'bg-slate-100 text-slate-600',
  }
  return {
    ...config,
    label: statusLabel(status),
  }
}

const SIZE_MAP: Record<StatusSize, { icon: string; badge: string }> = {
  sm: { icon: 'w-4 h-4', badge: 'px-2 py-0.5 text-xs' },
  md: { icon: 'w-5 h-5', badge: 'px-2.5 py-0.5 text-sm' },
}

/**
 * 统一状态徽章组件
 * 接收status字符串，返回对应的图标+颜色+标签
 * 替换所有页面中重复的getStatusIcon/getStatusColor
 */
export const StatusBadge = memo(function StatusBadge({
  status,
  showLabel = true,
  size = 'sm',
  className,
}: StatusBadgeProps) {
  const config = useMemo(() => getStatusConfig(status), [status])
  const sizeClasses = SIZE_MAP[size]
  const Icon = config.icon

  return (
    <span
      className={cn(
        'inline-flex items-center gap-1 rounded-full font-medium',
        sizeClasses.badge,
        config.bg,
        className
      )}
    >
      <Icon
        className={cn(
          sizeClasses.icon,
          config.color,
          status === 'deploying' && 'animate-pulse'
        )}
      />
      {showLabel && <span>{config.label}</span>}
    </span>
  )
})

/** 独立状态图标组件（仅图标，无标签） */
export const StatusIcon = memo(function StatusIcon({
  status,
  size = 'sm',
  className,
}: Omit<StatusBadgeProps, 'showLabel'>) {
  const config = useMemo(() => getStatusConfig(status), [status])
  const sizeClasses = SIZE_MAP[size]
  const Icon = config.icon

  return (
    <Icon
      className={cn(
        sizeClasses.icon,
        config.color,
        status === 'deploying' && 'animate-pulse',
        className
      )}
    />
  )
})

/** 独立状态颜色工具函数（用于需要className的场景） */
export function getStatusColorClass(status: string): string {
  return STATUS_CONFIG[status]?.bg || 'bg-slate-100 text-slate-600'
}

export default StatusBadge