import { clsx } from 'clsx'
import { h } from 'preact'
import type { UppyContext } from './types.js'

export type UploadButtonProps = {
  ctx: UppyContext
}

export default function UploadButton(props: UploadButtonProps) {
  const { ctx } = props

  return (
    <div className="uppy-reset uppy:space-y-2">
      <button
        type="button"
        data-uppy-element="upload-button"
        data-state={ctx.status}
        onClick={() => {
          if (ctx.status === 'ready') {
            ctx.uppy?.upload()
          }
        }}
        className={clsx(
          'uppy:relative uppy:w-full uppy:p-2 uppy:rounded-lg',
          'uppy:text-white uppy:font-medium',
          'uppy:transition-all uppy:overflow-hidden',
          'uppy:bg-blue-500 uppy:hover:bg-blue-600',
          {
            'uppy:bg-red-500 uppy:hover:bg-red-600': ctx.status === 'error',
            'uppy:bg-green-500 uppy:hover:bg-green-600':
              ctx.status === 'complete',
          },
          'uppy:disabled:hover:bg-blue-500 uppy:disabled:cursor-not-allowed',
        )}
        disabled={
          ctx.status === 'init' ||
          ctx.status === 'uploading' ||
          ctx.status === 'paused'
        }
      >
        <div
          className={clsx(
            'uppy:absolute uppy:inset-0 uppy:origin-left uppy:transition-all',
            {
              'uppy:bg-red-700': ctx.status === 'error',
              'uppy:bg-green-700': ctx.status === 'complete',
              'uppy:bg-blue-700':
                ctx.status !== 'error' && ctx.status !== 'complete',
            },
          )}
          style={{
            transform: `scaleX(${ctx.progress / 100})`,
          }}
        />
        <span className="uppy:relative uppy:z-10">
          {ctx.status === 'uploading' || ctx.status === 'paused'
            ? `Uploaded ${Math.round(ctx.progress)}%`
            : ctx.status === 'error'
              ? 'Retry'
              : ctx.status === 'complete'
                ? 'Complete'
                : 'Upload'}
        </span>
      </button>
      {ctx.status === 'uploading' || ctx.status === 'paused' ? (
        <div className="uppy:flex uppy:gap-2">
          {ctx.uppy?.getState().capabilities.resumableUploads ? (
            <button
              type="button"
              data-uppy-element="pause-button"
              data-state={ctx.status}
              onClick={() => {
                if (ctx.status === 'paused') {
                  ctx.uppy?.resumeAll()
                } else {
                  ctx.uppy?.pauseAll()
                }
              }}
              className={clsx(
                'uppy:w-full uppy:p-2 uppy:rounded-lg uppy:text-amber-500 uppy:bg-gray-50 uppy:hover:bg-amber-50 uppy:font-medium uppy:transition-all',
                {
                  'uppy:text-green-500 uppy:hover:bg-green-50':
                    ctx.status === 'paused',
                },
              )}
            >
              {ctx.status === 'paused' ? 'Resume' : 'Pause'}
            </button>
          ) : null}
          <button
            type="button"
            data-uppy-element="cancel-button"
            className="uppy:w-full uppy:p-2 uppy:rounded-lg uppy:text-red-500 uppy:bg-gray-50 uppy:hover:bg-red-50 uppy:font-medium uppy:transition-all"
            data-state={ctx.status}
            onClick={() => ctx.uppy?.cancelAll()}
          >
            Cancel
          </button>
        </div>
      ) : null}
    </div>
  )
}