import React, {forwardRef, memo} from 'react'
import {headingStyle} from './styles'
import type {VariantProps} from '@gluestack-ui/nativewind-utils'
type IHeadingProps = VariantProps<typeof headingStyle> &
  React.ComponentPropsWithoutRef<'h1'> & {
    as?: React.ElementType
  }

const MappedHeading = memo(
  forwardRef<HTMLHeadingElement, IHeadingProps>(
    ({size, className, isTruncated, bold, underline, strikeThrough, sub, italic, highlight, ...props}, ref) => {
      switch (size) {
        case '5xl':
        case '4xl':
        case '3xl':
          return (
            <h1
              className={headingStyle({
                size,
                isTruncated,
                bold,
                underline,
                strikeThrough,
                sub,
                italic,
                highlight,
                class: className,
              })}
              {...props}
              ref={ref}
            />
          )
        case '2xl':
          return (
            <h2
              className={headingStyle({
                size,
                isTruncated,
                bold,
                underline,
                strikeThrough,
                sub,
                italic,
                highlight,
                class: className,
              })}
              {...props}
              ref={ref}
            />
          )
        case 'xl':
          return (
            <h3
              className={headingStyle({
                size,
                isTruncated,
                bold,
                underline,
                strikeThrough,
                sub,
                italic,
                highlight,
                class: className,
              })}
              {...props}
              ref={ref}
            />
          )
        case 'lg':
          return (
            <h4
              className={headingStyle({
                size,
                isTruncated,
                bold,
                underline,
                strikeThrough,
                sub,
                italic,
                highlight,
                class: className,
              })}
              {...props}
              ref={ref}
            />
          )
        case 'md':
          return (
            <h5
              className={headingStyle({
                size,
                isTruncated,
                bold,
                underline,
                strikeThrough,
                sub,
                italic,
                highlight,
                class: className,
              })}
              {...props}
              ref={ref}
            />
          )
        case 'sm':
        case 'xs':
          return (
            <h6
              className={headingStyle({
                size,
                isTruncated,
                bold,
                underline,
                strikeThrough,
                sub,
                italic,
                highlight,
                class: className,
              })}
              {...props}
              ref={ref}
            />
          )
        default:
          return (
            <h4
              className={headingStyle({
                size,
                isTruncated,
                bold,
                underline,
                strikeThrough,
                sub,
                italic,
                highlight,
                class: className,
              })}
              {...props}
              ref={ref}
            />
          )
      }
    },
  ),
)

const Heading = memo(
  forwardRef<HTMLHeadingElement, IHeadingProps>(({className, size = 'lg', as: AsComp, ...props}, ref) => {
    const {isTruncated, bold, underline, strikeThrough, sub, italic, highlight} = props

    if (AsComp) {
      return (
        <AsComp
          className={headingStyle({
            size,
            isTruncated,
            bold,
            underline,
            strikeThrough,
            sub,
            italic,
            highlight,
            class: className,
          })}
          {...props}
          ref={ref}
        />
      )
    }

    return <MappedHeading className={className} size={size} ref={ref} {...props} />
  }),
)

Heading.displayName = 'Heading'

export {Heading}
