'use client'

import { zodResolver } from '@hookform/resolvers/zod'
import { useEffect } from 'react'
import { FormProvider, useForm } from 'react-hook-form'

import { texts } from '@/texts'
import type { EventWizardFormData } from '@/components/events/create/types'
import AudienceRestrictionSelector from '@/components/events/create/AudienceRestrictionSelector'
import CancellationPolicyEditor from '@/components/events/create/CancellationPolicyEditor'
import TicketTypeSelector from '@/components/events/create/TicketTypeSelector'
import Input from '@/components/formElements/Input'
import { WizardFormFullWidth, WizardFormGrid, WizardSectionTitle, WizardStepFooter } from '@/components/events/create/WizardFormLayout'
import { EventWizardStep3Validation, type EventWizardStep3Values } from '@/validation/eventWizard'
import { showFormValidationToast } from '@/lib/formValidationToast'

interface Step3PricingCapacityProps {
  data: EventWizardFormData
  onBack: () => void
  onChange: (patch: Partial<EventWizardFormData>) => void
  onNext: (patch: Partial<EventWizardFormData>) => void
}

export default function Step3PricingCapacity({ data, onBack, onChange, onNext }: Step3PricingCapacityProps) {
  const form = useForm<EventWizardStep3Values>({
    resolver: zodResolver(EventWizardStep3Validation),
    defaultValues: {
      isFree: data.isFree,
      price: data.price,
      capacity: data.capacity,
      reservedCapacity: data.reservedCapacity,
      genderRestriction: data.genderRestriction,
      ageRestriction: data.ageRestriction,
      cancellationFeePercent: data.cancellationFeePercent,
      isDiscoverable: data.isDiscoverable,
      autoCreateGroup: data.autoCreateGroup,
      waitlistAutoOffer: data.waitlistAutoOffer,
      sendReviewRequestSms: data.sendReviewRequestSms,
    },
  })

  const isFree = form.watch('isFree')

  useEffect(() => {
    const subscription = form.watch((values) => {
      onChange({
        isFree: values.isFree ?? false,
        price: Number(values.price ?? 0),
        capacity: Number(values.capacity ?? 0),
        reservedCapacity: Number(values.reservedCapacity ?? 0),
        genderRestriction: values.genderRestriction ?? 'open',
        ageRestriction: values.ageRestriction ?? 'open',
        cancellationFeePercent: Number(values.cancellationFeePercent ?? 0),
        isDiscoverable: values.isDiscoverable ?? false,
        autoCreateGroup: values.autoCreateGroup ?? true,
        waitlistAutoOffer: values.waitlistAutoOffer ?? true,
        sendReviewRequestSms: values.sendReviewRequestSms ?? false,
      })
    })

    return () => {
      subscription.unsubscribe()
    }
  }, [form, onChange])

  const handleSubmit = form.handleSubmit((values) => {
    onNext({
      isFree: values.isFree,
      price: values.isFree ? 0 : values.price,
      capacity: values.capacity,
      reservedCapacity: values.reservedCapacity,
      genderRestriction: values.genderRestriction,
      ageRestriction: values.ageRestriction,
      cancellationFeePercent: values.cancellationFeePercent,
      isDiscoverable: values.isDiscoverable,
      autoCreateGroup: values.autoCreateGroup,
      waitlistAutoOffer: values.waitlistAutoOffer,
      sendReviewRequestSms: values.sendReviewRequestSms,
    })
  }, showFormValidationToast)

  return (
    <FormProvider {...form}>
      <form onSubmit={handleSubmit}>
        <WizardFormGrid>
          <WizardSectionTitle description={texts.events.pricingSectionDescription}>
            {texts.events.ticketTypeSectionTitle}
          </WizardSectionTitle>

          <WizardFormFullWidth>
            <TicketTypeSelector
              isFree={isFree}
              onChange={(nextIsFree) => {
                form.setValue('isFree', nextIsFree, { shouldDirty: true, shouldValidate: true })
              }}
            />
          </WizardFormFullWidth>

          {!isFree ? (
            <Input
              required
              formatOptions={{ style: 'decimal' }}
              generalType="numberInput"
              label={texts.events.pricePerTicketLabel}
              minValue={0}
              name="price"
            />
          ) : null}

          <Input
            required
            generalType="numberInput"
            label={texts.events.capacity}
            minValue={1}
            name="capacity"
          />
          <WizardFormFullWidth>
            <Input
              generalType="numberInput"
              label={texts.events.reservedCapacityLabel}
              minValue={0}
              name="reservedCapacity"
            />
            <p className="mt-2 text-xs text-secondary-20">{texts.events.reservedCapacityWizardHint}</p>
          </WizardFormFullWidth>

          <WizardSectionTitle description={texts.events.audienceSectionDescription}>{texts.events.audienceSectionTitle}</WizardSectionTitle>

          <WizardFormFullWidth>
            <AudienceRestrictionSelector
              ageRestriction={form.watch('ageRestriction')}
              genderRestriction={form.watch('genderRestriction')}
              onAgeRestrictionChange={(ageRestriction) => {
                form.setValue('ageRestriction', ageRestriction, { shouldDirty: true, shouldValidate: true })
              }}
              onGenderRestrictionChange={(genderRestriction) => {
                form.setValue('genderRestriction', genderRestriction, { shouldDirty: true, shouldValidate: true })
              }}
            />
          </WizardFormFullWidth>

          <WizardSectionTitle description={texts.events.cancellationSectionDescription}>
            {texts.events.cancellationSectionTitle}
          </WizardSectionTitle>

          <WizardFormFullWidth>
            <CancellationPolicyEditor
              value={form.watch('cancellationFeePercent')}
              onChange={(cancellationFeePercent) => {
                form.setValue('cancellationFeePercent', cancellationFeePercent, { shouldDirty: true, shouldValidate: true })
              }}
            />
          </WizardFormFullWidth>

          <WizardFormFullWidth>
            <details className="group rounded-2xl border border-consumer-border bg-consumer-surface-muted p-4">
              <summary className="cursor-pointer list-none text-sm font-bold text-consumer-text marker:hidden">
                {texts.events.moreSettings}
                <span className="me-2 text-xs font-normal text-secondary-20">{texts.events.advancedSettingsHint}</span>
              </summary>
              <div className="mt-4 grid gap-5 border-t border-consumer-border pt-4 md:grid-cols-2">
                <Input
                  generalType="switch"
                  label={texts.events.discoverableLabel}
                  name="isDiscoverable"
                />
                <Input
                  generalType="switch"
                  label={texts.events.autoCreateGroupLabel}
                  name="autoCreateGroup"
                />
                <Input
                  generalType="switch"
                  label={texts.events.waitlistAutoOfferLabel}
                  name="waitlistAutoOffer"
                />
                <Input
                  generalType="switch"
                  label={texts.events.sendReviewSmsLabel}
                  name="sendReviewRequestSms"
                />
              </div>
            </details>
          </WizardFormFullWidth>

          <WizardStepFooter
            primaryLabel={texts.events.nextStep}
            onBack={onBack}
            onPrimary={handleSubmit}
          />
        </WizardFormGrid>
      </form>
    </FormProvider>
  )
}