import React, { useEffect, useState } from 'react'

export default function UploadActions({
  step = 1,
  canStart = false,
  canContinue = false,
  canPublish = false,
  canGoBack = false,
  canReset = true,
  canCancel = false,
  canRetry = false,
  isUploading = false,
  isProcessing = false,
  isPublishing = false,
  isCancelling = false,
  disableReason = 'Complete required fields',
  onStart,
  onContinue,
  onPublish,
  onBack,
  onCancel,
  onReset,
  onRetry,
  onSaveDraft,
  showSaveDraft = false,
  mobileSticky = true,
  resetLabel = 'Reset',
}) {
  const [confirmCancel, setConfirmCancel] = useState(false)

  useEffect(() => {
    if (!confirmCancel) return
    const timer = window.setTimeout(() => setConfirmCancel(false), 3200)
    return () => window.clearTimeout(timer)
  }, [confirmCancel])

  const handleCancel = () => {
    if (!canCancel || isCancelling) return
    if (!confirmCancel) {
      setConfirmCancel(true)
      return
    }
    setConfirmCancel(false)
    onCancel?.()
  }

  const renderPrimary = () => {
    if (step === 1) {
      const disabled = !canStart || isUploading || isProcessing || isCancelling
      const label = isUploading ? 'Uploading…' : isProcessing ? 'Processing…' : 'Start upload'
      return (
        <button
          type="button"
          disabled={disabled}
          title={disabled ? disableReason : 'Start upload'}
          onClick={() => onStart?.()}
          className={`btn-primary text-sm ${disabled ? 'cursor-not-allowed opacity-60' : ''}`}
        >
          {label}
        </button>
      )
    }

    if (step === 2) {
      const disabled = !canContinue
      return (
        <button
          type="button"
          disabled={disabled}
          title={disabled ? disableReason : 'Continue to Publish'}
          onClick={() => onContinue?.()}
          className={`btn-primary text-sm ${disabled ? 'cursor-not-allowed opacity-60' : ''}`}
        >
          Continue to Publish
        </button>
      )
    }

    const disabled = !canPublish || isPublishing
    return (
      <button
        type="button"
        disabled={disabled}
        title={disabled ? disableReason : 'Publish artwork'}
        onClick={() => onPublish?.()}
        className={`btn-primary text-sm ${disabled ? 'cursor-not-allowed opacity-60' : ''}`}
      >
        {isPublishing ? 'Publishing…' : 'Publish'}
      </button>
    )
  }

  return (
    <footer data-testid="wizard-action-bar" className={`${mobileSticky ? 'sticky fixed inset-x-0 bottom-0 z-20 px-4 pb-3 lg:static lg:px-0 lg:pb-0' : ''}`}>
      <div className="mx-auto w-full max-w-4xl rounded-xl border border-white/10 bg-nova-800/80 p-3 shadow-[0_-12px_32px_rgba(2,8,23,0.65)] backdrop-blur-sm sm:p-4 lg:shadow-none">
      <div className="flex flex-wrap items-center justify-end gap-2.5">
        {canGoBack && (
          <button
            type="button"
            onClick={() => onBack?.()}
            className="btn-secondary text-sm"
          >
            Back
          </button>
        )}

        {showSaveDraft && (
          <button
            type="button"
            onClick={() => onSaveDraft?.()}
            className="btn-secondary text-sm"
          >
            Save draft
          </button>
        )}

        {step === 1 && canCancel && (
          <button
            type="button"
            onClick={handleCancel}
            disabled={isCancelling}
            title={confirmCancel ? 'Click again to confirm cancel' : 'Cancel current upload'}
            className="btn-secondary text-sm disabled:cursor-not-allowed disabled:opacity-60"
          >
            {isCancelling ? 'Cancelling…' : confirmCancel ? 'Cancel upload?' : 'Cancel'}
          </button>
        )}

        {canRetry && (
          <button
            type="button"
            onClick={() => onRetry?.()}
            className="btn-secondary text-sm"
          >
            Retry
          </button>
        )}

        {canReset && (
          <button
            type="button"
            onClick={() => onReset?.()}
            className="btn-secondary text-sm"
          >
            {resetLabel}
          </button>
        )}

        {renderPrimary()}
      </div>
      </div>
    </footer>
  )
}