import type { Field } from 'payload'

import { preistraegerIndexContent } from '@/spa/preistraegerIndexContent'

const uploadField = (name: string, label: string, description?: string): Field => ({
  name,
  type: 'upload',
  relationTo: 'media',
  label,
  admin: description ? { description } : undefined,
})

const text = (name: string, label: string, defaultValue?: string): Field => ({
  name,
  type: 'text',
  label,
  defaultValue,
})

const textarea = (name: string, label: string, defaultValue?: string): Field => ({
  name,
  type: 'textarea',
  label,
  defaultValue,
})

const number = (name: string, label: string, defaultValue: number, description?: string): Field => ({
  name,
  type: 'number',
  label,
  defaultValue,
  min: 1,
  admin: description ? { description } : undefined,
})

const ctaGroup = (name: string, label: string, labelDefault: string, urlDefault: string): Field => ({
  name,
  label,
  type: 'group',
  fields: [text('label', 'Label', labelDefault), text('url', 'URL', urlDefault)],
})

const sectionAdmin = (description: string) => ({
  description,
  initCollapsed: true,
})

export const preistraegerIndexFields: Field[] = [
  {
    name: 'preistraegerIndex',
    label: 'Preisträger index page content',
    type: 'group',
    admin: {
      description:
        'Edit the Preisträger listing page chrome. Individual winner cards are managed through the Preisträger collection.',
    },
    fields: [
      {
        name: 'hero',
        label: '01 · Hero image',
        type: 'group',
        admin: sectionAdmin('Large image above the year selector. Upload an image or keep the migrated URL fallback.'),
        fields: [
          uploadField('image', 'Hero image'),
          text('imageUrl', 'Fallback image URL', preistraegerIndexContent.hero.imageUrl),
          text('imageAlt', 'Image alt text', preistraegerIndexContent.hero.imageAlt),
        ],
      },
      {
        name: 'breadcrumb',
        label: '02 · Breadcrumb bar',
        type: 'group',
        admin: sectionAdmin('Small page label below the image.'),
        fields: [text('label', 'Label', preistraegerIndexContent.breadcrumb.label)],
      },
      {
        name: 'count',
        label: '03 · Count bar',
        type: 'group',
        admin: sectionAdmin('Label after the selected-year result count.'),
        fields: [text('label', 'Count label', preistraegerIndexContent.count.label)],
      },
      {
        name: 'rules',
        label: '04 · Gewinnerlogik',
        type: 'group',
        admin: sectionAdmin('Public page rules for the selected year. Winner records are still managed in the Preisträger collection.'),
        fields: [
          number('totalWinners', 'Gewinner gesamt', preistraegerIndexContent.rules.totalWinners, 'The public page displays at most this many winners per year.'),
          number('goldeneBavariaCount', 'Goldene Bavaria Gewinner', preistraegerIndexContent.rules.goldeneBavariaCount, 'These top-ranked winners are shown in the separate Goldene Bavaria section.'),
        ],
      },
      {
        name: 'empty',
        label: '05 · Empty state',
        type: 'group',
        admin: sectionAdmin('Message when the selected year returns no winners.'),
        fields: [textarea('message', 'Empty message', preistraegerIndexContent.empty.message)],
      },
      {
        name: 'goldeneBavaria',
        label: '06 · Goldene Bavaria section',
        type: 'group',
        admin: sectionAdmin('Copy for the separate section that highlights the best three winners.'),
        fields: [
          text('eyebrow', 'Eyebrow', preistraegerIndexContent.goldeneBavaria.eyebrow),
          textarea('heading', 'Heading', preistraegerIndexContent.goldeneBavaria.heading),
          textarea('description', 'Description', preistraegerIndexContent.goldeneBavaria.description),
          textarea('emptyMessage', 'Empty message', preistraegerIndexContent.goldeneBavaria.emptyMessage),
        ],
      },
      {
        name: 'winners',
        label: '07 · Winners section',
        type: 'group',
        admin: sectionAdmin('Copy for the remaining winners below the Goldene Bavaria section.'),
        fields: [
          text('eyebrow', 'Eyebrow', preistraegerIndexContent.winners.eyebrow),
          textarea('heading', 'Heading', preistraegerIndexContent.winners.heading),
          textarea('description', 'Description', preistraegerIndexContent.winners.description),
        ],
      },
      {
        name: 'card',
        label: '08 · Winner cards',
        type: 'group',
        admin: sectionAdmin('Hover label shown on winner cards.'),
        fields: [
          uploadField('fallbackImage', 'Fallback card image', `Current frontend fallback image: /images/${preistraegerIndexContent.card.fallbackImageFilename}`),
          text('hoverLabel', 'Hover label', preistraegerIndexContent.card.hoverLabel),
          {
            name: 'fallbackWinner',
            label: 'Missing winner field fallbacks',
            type: 'group',
            fields: [
              text('name', 'Name', preistraegerIndexContent.card.fallbackWinner.name),
              text('category', 'Category', preistraegerIndexContent.card.fallbackWinner.category),
              text('awardType', 'Award type', preistraegerIndexContent.card.fallbackWinner.awardType),
              text('location', 'Location', preistraegerIndexContent.card.fallbackWinner.location),
              text('industry', 'Industry', preistraegerIndexContent.card.fallbackWinner.industry),
            ],
          },
        ],
      },
      {
        name: 'cta',
        label: '09 · Bottom CTA',
        type: 'group',
        admin: sectionAdmin('Bottom application and membership CTA.'),
        fields: [
          textarea('text', 'CTA text', preistraegerIndexContent.cta.text),
          ctaGroup('primaryCta', 'Primary CTA', preistraegerIndexContent.cta.primaryCta.label, preistraegerIndexContent.cta.primaryCta.url),
          text('secondaryPrefix', 'Secondary prefix', preistraegerIndexContent.cta.secondaryPrefix),
          ctaGroup('secondaryCta', 'Secondary CTA', preistraegerIndexContent.cta.secondaryCta.label, preistraegerIndexContent.cta.secondaryCta.url),
        ],
      },
    ],
  },
]