'use client'

import { cn } from '@/lib/cn'
import { WIZARD_STEPS } from '@/components/events/create/types'
import { texts, format } from '@/texts'

interface WizardStepperProps {
  currentStep: number
  className?: string
}

function StepCircle({ step, isActive, isDone }: { step: number; isActive: boolean; isDone: boolean }) {
  return (
    <div
      className={cn(
        'relative z-10 flex size-10 shrink-0 items-center justify-center rounded-full border-2 text-sm font-bold transition-all duration-300',
        isActive && 'border-primary bg-primary text-white shadow-md shadow-primary/25 scale-110',
        isDone && !isActive && 'border-fifth bg-fifth text-white',
        !isActive && !isDone && 'border-default-300 bg-white text-default-400'
      )}
    >
      {isDone && !isActive ? (
        <svg
          aria-hidden
          className="size-5"
          fill="none"
          stroke="currentColor"
          strokeWidth={2.5}
          viewBox="0 0 24 24"
        >
          <path
            d="M5 13l4 4L19 7"
            strokeLinecap="round"
            strokeLinejoin="round"
          />
        </svg>
      ) : (
        step
      )}
    </div>
  )
}

export default function WizardStepper({ currentStep, className }: WizardStepperProps) {
  const current = WIZARD_STEPS.find((step) => step.key === currentStep)
  const progress = Math.round((currentStep / WIZARD_STEPS.length) * 100)

  return (
    <nav
      aria-label={texts.events.wizardStepsAria}
      className={cn('w-full', className)}
    >
      <div className="sm:hidden">
        <div className="mb-2 flex items-center justify-between gap-3 text-xs">
          <span className="font-bold text-consumer-text">
            مرحله {currentStep} از {WIZARD_STEPS.length} — {current?.label}
          </span>
          <span className="text-secondary-20">{progress}٪</span>
        </div>
        <div
          aria-label={format(texts.events.wizardProgressAria, { progress })}
          aria-valuemax={100}
          aria-valuemin={0}
          aria-valuenow={progress}
          className="h-2 overflow-hidden rounded-full bg-default-200"
          role="progressbar"
        >
          <div
            className="h-full rounded-full bg-primary transition-[width] duration-300"
            style={{ width: `${progress}%` }}
          />
        </div>
      </div>

      <ol className="hidden items-start justify-between gap-2 sm:flex">
        {WIZARD_STEPS.map((step, index) => {
          const isActive = step.key === currentStep
          const isDone = step.key < currentStep
          const isLast = index === WIZARD_STEPS.length - 1

          return (
            <li
              key={step.key}
              className={cn('flex flex-1 min-w-0', isLast && 'flex-none max-w-[4.5rem] md:max-w-none')}
            >
              <div className="flex flex-col items-center w-full min-w-0">
                <div className="flex items-center w-full">
                  {/* connector before (RTL: appears on the right side visually for non-first) */}
                  {index > 0 ? (
                    <div
                      aria-hidden
                      className={cn(
                        'h-1 flex-1 min-w-2 transition-colors duration-300',
                        step.key <= currentStep ? 'bg-fifth' : 'bg-default-200'
                      )}
                    />
                  ) : (
                    <div className="flex-1 min-w-2" />
                  )}

                  <StepCircle
                    isActive={isActive}
                    isDone={isDone}
                    step={step.key}
                  />

                  {!isLast ? (
                    <div
                      aria-hidden
                      className={cn(
                        'h-1 flex-1 min-w-2 transition-colors duration-300',
                        step.key < currentStep ? 'bg-fifth' : 'bg-default-200'
                      )}
                    />
                  ) : (
                    <div className="flex-1 min-w-2" />
                  )}
                </div>

                <div className="mt-3 text-center px-1 w-full min-w-0">
                  <p
                    className={cn(
                      'text-smtext-xs font-medium leading-tight truncate',
                      isActive && 'text-primary font-semibold',
                      isDone && !isActive && 'text-fifth',
                      !isActive && !isDone && 'text-default-400'
                    )}
                  >
                    {step.label}
                  </p>
                  {isActive ? (
                    <span className="inline-block mt-1 text-[10px] text-primary/80 bg-primary-50 px-2 py-1 rounded-full">
                      {texts.events.wizardInProgress}
                    </span>
                  ) : null}
                </div>
              </div>
            </li>
          )
        })}
      </ol>
    </nav>
  )
}