import * as React from "react"

type ButtonVariant =
  | "default"
  | "destructive"
  | "outline"
  | "secondary"
  | "ghost"
  | "link"

type ButtonSize =
  | "default"
  | "xs"
  | "sm"
  | "lg"
  | "icon"
  | "icon-xs"
  | "icon-sm"
  | "icon-lg"

interface ButtonProps extends React.ComponentProps<"button"> {
  variant?: ButtonVariant
  size?: ButtonSize
}

/**
 * Orix Premium Button
 * A unique style featuring a multi-layered "Inner Border" (Luminous Edge).
 * Engineered for both Light and Dark modes with high-contrast tactile feedback.
 */
const variantStyles: Record<ButtonVariant, string> = {
  default: `
    bg-zinc-900 text-zinc-50 border border-zinc-800 
    shadow-[0_1px_0_0_rgba(255,255,255,0.1)_inset,0_1px_2px_rgba(0,0,0,0.4)]
    hover:bg-zinc-800 hover:border-zinc-700
    dark:bg-zinc-50 dark:text-zinc-950 dark:border-zinc-200
    dark:shadow-[0_1px_0_0_rgba(255,255,255,0.5)_inset,0_1px_3px_rgba(0,0,0,0.1)]
    dark:hover:bg-zinc-200
  `,
  destructive: `
    bg-red-600 text-white border border-red-700
    shadow-[0_1px_0_0_rgba(255,255,255,0.2)_inset,0_1px_2px_rgba(0,0,0,0.2)]
    hover:bg-red-500 hover:border-red-600
    dark:bg-red-500 dark:border-red-400
    dark:shadow-[0_1px_0_0_rgba(255,255,255,0.3)_inset]
  `,
  outline: `
    border border-zinc-200 bg-white text-zinc-900
    shadow-[0_1px_2px_rgba(0,0,0,0.05)]
    hover:bg-zinc-50 hover:border-zinc-300
    dark:border-zinc-800 dark:bg-zinc-950 dark:text-zinc-50
    dark:shadow-[0_1px_0_0_rgba(255,255,255,0.05)_inset]
    dark:hover:bg-zinc-900 dark:hover:border-zinc-700
  `,
  secondary: `
    bg-zinc-100 text-zinc-900 border border-zinc-200/50
    shadow-[0_1px_0_0_rgba(255,255,255,0.5)_inset]
    hover:bg-zinc-200
    dark:bg-zinc-800 dark:text-zinc-50 dark:border-zinc-700
    dark:shadow-[0_1px_0_0_rgba(255,255,255,0.05)_inset]
    dark:hover:bg-zinc-700/50
  `,
  ghost:
    "hover:bg-zinc-100 hover:text-zinc-900 dark:hover:bg-zinc-800 dark:hover:text-zinc-50",
  link: "text-zinc-900 underline-offset-4 hover:underline dark:text-zinc-50",
}

const sizeStyles: Record<ButtonSize, string> = {
  default: "h-9 px-4 py-2",
  xs: "h-6 gap-1 rounded-md px-2 text-xs",
  sm: "h-8 rounded-md gap-1.5 px-3",
  lg: "h-11 rounded-xl px-8 text-base",
  icon: "size-9",
  "icon-xs": "size-6 rounded-md",
  "icon-sm": "size-8",
  "icon-lg": "size-11",
}

const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
  ({ className = "", variant = "default", size = "default", ...props }, ref) => {
    const baseClass =
      "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-lg text-sm font-medium transition-all duration-100 disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 shrink-0 [&_svg]:shrink-0 outline-none focus-visible:ring-2 focus-visible:ring-zinc-400 dark:focus-visible:ring-zinc-600 focus-visible:ring-offset-2 cursor-pointer active:scale-[0.97] active:brightness-90"

    return (
      <button
        ref={ref}
        className={`${baseClass} ${variantStyles[variant]} ${sizeStyles[size]} ${className}`}
        {...props}
      />
    )
  }
)

Button.displayName = "Button"

export default Button