import { cn } from "@/lib/utils"
import type { LucideIcon } from "lucide-react"
import { TrendingUp, TrendingDown, Minus } from "lucide-react"
import { AnimatedNumber } from "@/components/ui/animated-number"

interface StatsCardProps {
  label: string
  value: string | number
  sub?: string
  icon: LucideIcon
  trend?: { value: number; label: string }
  variant?: "default" | "success" | "warning" | "danger"
  progress?: number
  className?: string
}

export function StatsCard({
  label,
  value,
  sub,
  icon: Icon,
  trend,
  variant = "default",
  progress,
  className,
}: StatsCardProps) {
  const themes = {
    default: {
      icon: "text-indigo-400 bg-indigo-500/10 border-indigo-500/20",
      glow: "group-hover:shadow-indigo-500/10",
      bar: "from-indigo-500 to-violet-500",
      gradient: "group-hover:from-indigo-500/[0.04]",
    },
    success: {
      icon: "text-emerald-400 bg-emerald-500/10 border-emerald-500/20",
      glow: "group-hover:shadow-emerald-500/10",
      bar: "from-emerald-500 to-teal-500",
      gradient: "group-hover:from-emerald-500/[0.04]",
    },
    warning: {
      icon: "text-amber-400 bg-amber-500/10 border-amber-500/20",
      glow: "group-hover:shadow-amber-500/10",
      bar: "from-amber-500 to-orange-500",
      gradient: "group-hover:from-amber-500/[0.04]",
    },
    danger: {
      icon: "text-red-400 bg-red-500/10 border-red-500/20",
      glow: "group-hover:shadow-red-500/10",
      bar: "from-red-500 to-rose-500",
      gradient: "group-hover:from-red-500/[0.04]",
    },
  }

  const theme = themes[variant]

  const trendColor =
    !trend ? "" :
    trend.value > 0 ? "text-emerald-400" :
    trend.value < 0 ? "text-red-400" : "text-white/40"

  const TrendIcon = !trend ? Minus : trend.value > 0 ? TrendingUp : trend.value < 0 ? TrendingDown : Minus

  // Detect if value is a plain number (animate) or a formatted string
  const isNumeric = typeof value === "number"
  // For currency strings like "$4,200" — extract the number to animate
  const isCurrencyString = typeof value === "string" && value.startsWith("$")
  const numericVal = isNumeric
    ? value
    : isCurrencyString
    ? parseFloat(value.replace(/[$,]/g, ""))
    : null

  return (
    <div
      className={cn(
        "group relative overflow-hidden rounded-2xl border border-white/[0.06] bg-[#16161f] p-5 transition-all duration-300",
        "hover:border-white/[0.12] hover:shadow-xl hover:shadow-black/30",
        theme.glow,
        className
      )}
    >
      {/* Hover gradient */}
      <div className={cn(
        "absolute inset-0 opacity-0 group-hover:opacity-100 transition-opacity duration-500",
        "bg-gradient-to-br to-transparent from-transparent",
        theme.gradient
      )} />

      {/* Top accent line */}
      <div className={cn(
        "absolute top-0 left-0 right-0 h-[1px] opacity-0 group-hover:opacity-100 transition-opacity duration-500",
        "bg-gradient-to-r", theme.bar
      )} />

      <div className="relative">
        {/* Label + icon */}
        <div className="flex items-start justify-between">
          <p className="text-xs font-medium uppercase tracking-wider text-white/40">{label}</p>
          <div className={cn("flex h-9 w-9 shrink-0 items-center justify-center rounded-xl border", theme.icon)}>
            <Icon className="h-4 w-4" />
          </div>
        </div>

        {/* Value — animated if numeric */}
        <p className="mt-4 text-3xl font-bold tracking-tight text-white tabular-nums">
          {numericVal !== null ? (
            <AnimatedNumber
              value={numericVal}
              format={isCurrencyString ? "currency" : "number"}
            />
          ) : (
            value
          )}
        </p>

        {/* Trend */}
        {trend && (
          <div className="mt-1.5 flex items-center gap-1.5">
            <TrendIcon className={cn("h-3.5 w-3.5", trendColor)} />
            <span className={cn("text-xs font-semibold tabular-nums", trendColor)}>
              {trend.value > 0 ? "+" : ""}{trend.value}%
            </span>
            <span className="text-xs text-white/30">{trend.label}</span>
          </div>
        )}

        {/* Progress bar */}
        {progress !== undefined && (
          <div className="mt-4">
            <div className="h-1.5 overflow-hidden rounded-full bg-white/[0.06]">
              <div
                className={cn("h-full rounded-full bg-gradient-to-r transition-all duration-700", theme.bar)}
                style={{ width: `${Math.min(100, Math.max(0, progress))}%` }}
              />
            </div>
          </div>
        )}

        {/* Sub */}
        {sub && (
          <p className="mt-2.5 text-xs text-white/40 leading-snug">{sub}</p>
        )}
      </div>
    </div>
  )
}