'use client'

import { Button } from '@heroui/react'

import type { EventAgeRestriction, EventGenderRestriction } from '@/lib/eventAudience'
import { AGE_RESTRICTION_OPTIONS, GENDER_RESTRICTION_OPTIONS } from '@/lib/eventAudience'
import { cn } from '@/lib/cn'
import { texts } from '@/texts'

interface AudienceRestrictionSelectorProps {
  ageRestriction: EventAgeRestriction
  genderRestriction: EventGenderRestriction
  disabled?: boolean
  onAgeRestrictionChange: (value: EventAgeRestriction) => void
  onGenderRestrictionChange: (value: EventGenderRestriction) => void
}

/** Content-width button groups for age and gender limits shown to event guests. */
export default function AudienceRestrictionSelector({
  ageRestriction,
  genderRestriction,
  disabled = false,
  onAgeRestrictionChange,
  onGenderRestrictionChange,
}: AudienceRestrictionSelectorProps) {
  return (
    <div className={cn('grid gap-4', disabled && 'pointer-events-none opacity-70')}>
      <RestrictionGroup
        ariaLabel={texts.events.genderRestrictionLabel}
        disabled={disabled}
        options={GENDER_RESTRICTION_OPTIONS}
        value={genderRestriction}
        onChange={(value) => {
          onGenderRestrictionChange(value as EventGenderRestriction)
        }}
      />
      <RestrictionGroup
        ariaLabel={texts.events.ageRestrictionLabel}
        disabled={disabled}
        options={AGE_RESTRICTION_OPTIONS}
        value={ageRestriction}
        onChange={(value) => {
          onAgeRestrictionChange(value as EventAgeRestriction)
        }}
      />
    </div>
  )
}

function RestrictionGroup({
  ariaLabel,
  disabled = false,
  options,
  value,
  onChange,
}: {
  ariaLabel: string
  disabled?: boolean
  options: readonly { name: string; selectKey: string }[]
  value: string
  onChange: (value: string) => void
}) {
  return (
    <div>
      <div
        aria-label={ariaLabel}
        className="flex w-full gap-1 rounded-xl bg-secondary-50 p-1"
        role="group"
      >
        {options.map((option) => {
          const active = option.selectKey === value

          return (
            <Button
              key={option.selectKey}
              aria-pressed={active}
              className={cn(
                'flex-1 min-h-10 px-3 text-xs font-medium rounded-xl',
                active
                  ? '[--button-bg:var(--color-secondary-30)] [--button-bg-hover:var(--color-secondary-30)] [--button-bg-pressed:var(--color-secondary-30)] [--button-fg:#ffffff]'
                  : '[--button-bg:var(--color-secondary-40)] [--button-bg-hover:var(--color-secondary-40)] [--button-bg-pressed:var(--color-secondary-40)] [--button-fg:var(--color-secondary-10)]'
              )}
              isDisabled={disabled}
              size="sm"
              variant="secondary"
              onPress={() => {
                if (disabled) return
                onChange(option.selectKey)
              }}
            >
              {option.name}
            </Button>
          )
        })}
      </div>
    </div>
  )
}