import type {
	ManifestDataSource,
	ManifestProperty,
	NotionPropertyType,
} from "@notionhq/custom-blocks";

import type { CustomBlockDefaultBinding } from "./custom-block.js";
import type { DataSourceHandle } from "./notion-as-code/database.js";
import type { NotionAsCodeProperty } from "./notion-as-code/intents.js";

/** Lower a Notion-as-Code handle into the declaration consumed by custom block hosts. */
export function toCustomBlockDataSource(handle: DataSourceHandle): ManifestDataSource {
	return {
		name: handle.name,
		...(handle.description === undefined ? {} : { description: handle.description }),
		properties: Object.fromEntries(
			Object.entries(handle.schema).map(([key, property]) => [
				key,
				{
					name: key,
					...(typeof property.description !== "string"
						? {}
						: { description: property.description }),
					type: toCustomBlockPropertyType(property.type),
				} satisfies ManifestProperty,
			]),
		),
	};
}

/** Keep resource IDs in the build artifact so deploy can resolve workspace-local IDs later. */
export function toCustomBlockDefaultBinding(handle: DataSourceHandle): CustomBlockDefaultBinding {
	return {
		dataSourceResourceId: handle.resourceId,
		propertyResourceIdsByKey: Object.fromEntries(
			Object.entries(handle.schema).map(([key, property]) => [key, property.resourceId]),
		),
	};
}

export function toCustomBlockPropertyType(type: NotionAsCodeProperty["type"]): NotionPropertyType {
	switch (type) {
		case "text":
			return "rich_text";
		case "file":
			return "files";
		case "person":
			return "people";
		case "auto_increment_id":
			return "unique_id";
		case "title":
		case "number":
		case "select":
		case "multi_select":
		case "status":
		case "date":
		case "checkbox":
		case "url":
		case "email":
		case "phone_number":
		case "relation":
		case "formula":
		case "rollup":
		case "created_time":
		case "last_edited_time":
		case "created_by":
		case "last_edited_by":
		case "verification":
			return type;
		default:
			return assertNever(type);
	}
}

function assertNever(value: never): never {
	throw new Error(`Unsupported Notion-as-Code property type: ${String(value)}`);
}