import { format, parseISO } from 'date-fns'
import { TiEdit } from 'react-icons/ti'
import { defineField, defineType } from 'sanity'

import authorType from './author'
import category from './category'
//import { categoryQuery } from 'lib/sanity.queries'

export default defineType({
  name: 'post',
  title: 'Post',
  icon: TiEdit,
  type: 'document',
  fields: [
    defineField({
      name: 'title',
      title: 'Title',
      type: 'string',
      validation: (rule) => rule.required(),
    }),
    defineField({
      name: 'slug',
      title: 'Slug',
      type: 'slug',
      options: {
        source: 'title',
        maxLength: 96,
        isUnique: (value, context) => context.defaultIsUnique(value, context),
      },
      //validation: (rule) => rule.required(),
    }),
    defineField({
      name: 'content',
      title: 'Content',
      type: 'array',
      of: [
        {
          type: 'block',
        },
        {
          type: 'image',
          name: 'Photo',
          options: {
            hotspot: true,
          },
          // fields: {
          //   name: 'caption',
          //   type: 'string',
          //   title: 'Caption',
          // },
        },
      ],
    }),
    defineField({
      name: 'excerpt',
      title: 'Excerpt',
      type: 'text',
    }),
    defineField({
      name: 'coverImage',
      title: 'Cover Image',
      type: 'image',
      options: {
        hotspot: true,
      },
    }),
    defineField({
      name: 'date',
      title: 'Date',
      type: 'datetime',
      initialValue: () => new Date().toISOString(),
    }),
    defineField({
      name: 'author',
      title: 'Author',
      type: 'reference',
      to: [{ type: authorType.name }],
    }),
    defineField({
      name: 'category',
      type: 'reference',
      to: [{ type: category.name }],
      options: { filter: 'defined(parent)' },
    }),
  ],
  preview: {
    select: {
      title: 'title',
      author: 'author.name',
      date: 'date',
      media: 'coverImage',
    },
    prepare({ title, media, author, date }) {
      const subtitles = [
        author && `by ${author}`,
        date && `on ${format(parseISO(date), 'LLL d, yyyy')}`,
      ].filter(Boolean)

      return { title, media, subtitle: subtitles.join(' ') }
    },
  },
})