"use client";

import * as React from "react";
import { cva, type VariantProps } from "class-variance-authority";
import { cn } from "@/lib/utils";

const buttonVariants = cva(
  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-xl text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-primary/40 disabled:pointer-events-none disabled:opacity-50",
  {
    variants: {
      variant: {
        default: "bg-primary text-white shadow-sm hover:opacity-90",
        secondary: "bg-[var(--surface-muted)] text-secondary hover:bg-[var(--surface-hover)]",
        outline: "border border-[var(--border)] bg-transparent hover:bg-[var(--surface-muted)]",
        ghost: "hover:bg-[var(--surface-muted)]",
        danger: "bg-red-600 text-white hover:bg-red-700",
        success: "bg-emerald-600 text-white hover:bg-emerald-700",
      },
      size: {
        default: "h-10 px-4 py-2",
        sm: "h-8 rounded-lg px-3 text-xs",
        lg: "h-11 rounded-xl px-6",
        icon: "h-10 w-10",
      },
    },
    defaultVariants: { variant: "default", size: "default" },
  }
);

export interface ButtonProps
  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
    VariantProps<typeof buttonVariants> {
  loading?: boolean;
}

export const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
  ({ className, variant, size, loading, disabled, children, ...props }, ref) => (
    <button
      ref={ref}
      className={cn(buttonVariants({ variant, size, className }))}
      disabled={disabled || loading}
      {...props}
    >
      {loading ? (
        <span className="inline-block h-4 w-4 animate-spin rounded-full border-2 border-current border-t-transparent" />
      ) : null}
      {children}
    </button>
  )
);
Button.displayName = "Button";

export { buttonVariants };