import { defineField, defineType } from "sanity";
import { FileText } from "lucide-react";
import meta from "../blocks/shared/meta";

export default defineType({
  name: "post",
  title: "Post",
  type: "document",
  icon: FileText,
  groups: [
    {
      name: "content",
      title: "Content",
    },
    {
      name: "seo",
      title: "SEO",
    },
    {
      name: "settings",
      title: "Settings",
    },
  ],
  fields: [
    defineField({
      name: "title",
      title: "Title",
      type: "string",
      group: "content",
      validation: (Rule) => Rule.required(),
    }),
    defineField({
      name: "slug",
      title: "Slug",
      type: "slug",
      group: "settings",
      options: {
        source: "title",
        maxLength: 96,
        slugify: (input: string) =>
          input
            .toLowerCase()
            .normalize("NFD")
            .replace(/[\u0300-\u036f]/g, "")
            .replace(/đ/g, "d")
            .replace(/Đ/g, "d")
            .replace(/[^a-z0-9]+/g, "-")
            .replace(/^-+|-+$/g, "")
            .slice(0, 96),
      },
      validation: (Rule) => Rule.required(),
    }),
    defineField({
      name: "excerpt",
      title: "Excerpt",
      type: "text",
      group: "content",
    }),
    defineField({
      name: "author",
      title: "Author",
      type: "reference",
      group: "settings",
      to: { type: "author" },
    }),
    defineField({
      name: "image",
      title: "Image",
      type: "image",
      group: "settings",
      options: {
        hotspot: true,
      },
      fields: [
        {
          name: "alt",
          type: "string",
          title: "Alternative Text",
        },
      ],
    }),
    defineField({
      name: "categories",
      title: "Categories",
      type: "array",
      group: "settings",
      of: [{ type: "reference", to: { type: "category" } }],
    }),
    defineField({
      name: "publishedAt",
      title: "Published At",
      type: "datetime",
      group: "settings",
      initialValue: () => new Date().toISOString(),
    }),
    defineField({
      name: "featured",
      title: "Featured Spotlight",
      type: "boolean",
      description: "Display this guide in the Hero Featured Spotlight on the Blog Index page",
      initialValue: false,
      group: "settings",
    }),
    defineField({
      name: "body",
      title: "Body",
      type: "block-content",
      group: "content",
    }),
    meta,
  ],

  preview: {
    select: {
      title: "title",
      author: "author.name",
      slug: "slug.current",
      media: "image",
      featured: "featured",
    },
    prepare(selection) {
      const { title, author, slug, media, featured } = selection;
      const prefix = featured ? "⭐ [Featured] " : "";
      return {
        title: `${prefix}${title}`,
        subtitle: slug ? `/${slug}` : author ? `by ${author}` : undefined,
        media,
      };
    },
  },
});