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 rounded-full border text-sm font-medium transition outline-none focus-visible:ring-2 focus-visible:ring-[var(--accent-strong)] focus-visible:ring-offset-2 focus-visible:ring-offset-transparent disabled:pointer-events-none disabled:opacity-45",
  {
    variants: {
      variant: {
        default:
          "border-[var(--accent-strong)] bg-[var(--accent-strong)] text-white hover:opacity-92",
        outline:
          "border-[var(--line-soft)] bg-[var(--surface-base)] text-[var(--ink-0)] hover:border-[var(--line-strong)]",
        subtle:
          "border-[var(--line-soft)] bg-[var(--surface-muted)] text-[var(--ink-0)] hover:border-[var(--line-strong)]",
        danger:
          "border-[var(--danger-soft)] bg-[var(--danger-strong)] text-white hover:opacity-92",
        ghost:
          "border-transparent bg-transparent text-[var(--ink-soft)] hover:border-[var(--line-soft)] hover:bg-[var(--surface-base)] hover:text-[var(--ink-0)]",
      },
      size: {
        default: "px-4 py-2.5",
        sm: "px-3 py-2",
        lg: "px-5 py-3",
        icon: "h-10 w-10 rounded-2xl p-0",
      },
    },
    defaultVariants: {
      variant: "default",
      size: "default",
    },
  },
);

export interface ButtonProps
  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
    VariantProps<typeof buttonVariants> {}

const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
  ({ className, variant, size, type = "button", ...props }, ref) => (
    <button
      ref={ref}
      type={type}
      className={cn(buttonVariants({ variant, size }), className)}
      {...props}
    />
  ),
);
Button.displayName = "Button";

export { Button, buttonVariants };