#Lix Plugin .md

import { openLix } from "@lix-js/sdk";
import { plugin as markdownPlugin } from "@lix-js/plugin-md";

const lix = await openLix({ providePlugins: [markdownPlugin] });

const file = await lix.db
	.insertInto("file")
	.values({
		path: "/notes.md",
		data: new TextEncoder().encode(`# Heading\n\nFirst paragraph.`),
	})
	.returningAll()
	.executeTakeFirstOrThrow();

await lix.db
	.updateTable("file")
	.set({
		data: new TextEncoder().encode(
			`# Heading\n\nFirst paragraph.\n\nNew note.`,
		),
	})
	.where("id", "=", file.id)
	.execute();

const history = await lix.db
	.selectFrom("file_history")
	.where("path", "=", "/notes.md")
	.select(["data", "lixcol_commit_id"])
	.execute();

for (const version of history) {
	const content = new TextDecoder().decode(version.data);
	console.log(`Commit ${version.lixcol_commit_id}: ${content}`);
}

const headings = await lix.db
	.selectFrom("state")
	.where("file_id", "=", file.id)
	.where("schema_key", "=", "markdown_wc_heading")
	.select(["entity_id", "snapshot_content"])
	.execute();

for (const heading of headings) {
	const node = heading.snapshot_content;
	const depth = node.depth; // 1-6
	const text = node.children?.[0]?.value;
	console.log(`H${depth}: ${text}`);
}

// Get the history of a specific heading across all checkpoints
const headingHistory = await lix.db
	.selectFrom("state_history")
	.where("entity_id", "=", headingEntityId)
	.where("schema_key", "=", "markdown_wc_heading")
	.where("root_commit_id", "=", latestCommitId)
	.orderBy("depth", "asc")
	.select(["snapshot_content", "depth", "commit_id"])
	.execute();

for (const state of headingHistory) {
	const text = state.snapshot_content.children?.[0]?.value;
	console.log(`Depth ${state.depth}: "${text}" (commit: ${state.commit_id})`);
}
// Depth 0: "Updated Title" (commit: abc123)
// Depth 1: "Original Title" (commit: def456)

// Update just the heading, leaving other blocks unchanged
await lix.db
	.updateTable("state")
	.set({
		snapshot_content: {
			type: "heading",
			depth: 1,
			data: { id: entityId },
			children: [{ type: "text", value: "Updated Title" }],
		},
	})
	.where("entity_id", "=", entityId)
	.where("schema_key", "=", "markdown_wc_heading")
	.where("file_id", "=", file.id)
	.execute();

// The file content is automatically updated by the plugin

const doc = await lix.db
	.selectFrom("state")
	.where("file_id", "=", file.id)
	.where("schema_key", "=", "markdown_wc_document")
	.where("entity_id", "=", "root")
	.select("snapshot_content")
	.executeTakeFirst();

const blockOrder = doc?.snapshot_content?.order; // ["heading_1", "para_1", "para_2"]

// Heading example
{
	type: "heading",
	depth: 2,
	data: { id: "block_abc123" },
	children: [
		{ type: "text", value: "Section Title" }
	]
}

// Paragraph with formatting
{
	type: "paragraph",
	data: { id: "block_def456" },
	children: [
		{ type: "text", value: "This is " },
		{ type: "strong", children: [{ type: "text", value: "bold" }] },
		{ type: "text", value: " text." }
	]
}

// List example
{
	type: "list",
	ordered: false,
	data: { id: "block_ghi789" },
	children: [
		{
			type: "listItem",
			checked: null, // or true/false for task lists
			children: [
				{ type: "paragraph", children: [{ type: "text", value: "Item 1" }] }
			]
		}
	]
}