import type { Field } from 'payload'

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

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

export const impressumFields: Field[] = [
  {
    name: 'impressum',
    label: 'Impressum page content',
    type: 'group',
    admin: {
      description:
        'Edit the Impressum page content. Legal section body blocks are stored as JSON so nested paragraphs, lists, notices, addresses, and subsections can keep their frontend order.',
    },
    fields: [
      {
        name: 'hero',
        label: '01 · Hero',
        type: 'group',
        admin: sectionAdmin('Top legal page heading and description line.'),
        fields: [
          text('backLabel', 'Back link label', impressumContent.hero.backLabel),
          text('eyebrow', 'Eyebrow', impressumContent.hero.eyebrow),
          textarea('heading', 'Heading', impressumContent.hero.heading),
          textarea('descriptionHtml', 'Description HTML', impressumContent.hero.descriptionHtml),
        ],
      },
      {
        name: 'navigation',
        label: '02 · Side navigation',
        type: 'group',
        admin: sectionAdmin('Sticky table-of-contents title and related legal-page link.'),
        fields: [
          text('tocTitle', 'TOC title', impressumContent.navigation.tocTitle),
          text('sideLinkLabel', 'Side link label', impressumContent.navigation.sideLinkLabel),
          text('sideLinkUrl', 'Side link URL', impressumContent.navigation.sideLinkUrl),
        ],
      },
      {
        name: 'sections',
        label: '03 · Legal sections',
        type: 'array',
        dbName: 'imp_sections',
        admin: sectionAdmin('Each section controls one heading, table-of-contents label, and ordered JSON body blocks.'),
        defaultValue: impressumContent.sections,
        fields: [
          text('id', 'Anchor ID'),
          text('tocLabel', 'TOC label'),
          text('title', 'Section title'),
          {
            name: 'items',
            label: 'Content blocks JSON',
            type: 'json',
            admin: {
              description:
                'Array of blocks: paragraph, legal, address, list, or subsection. Paragraph/legal blocks use HTML strings for inline links.',
            },
          },
        ],
      },
    ],
  },
]