import * as z from "zod/mini";
import {
	colorSchemeConfigInputSchema,
	configureOptionsSchema,
	DEFAULT_COLOR_SCHEME_CONFIG,
	initOptionsSchema,
} from "../widget-config.js";

/**
 * Core-only registration used by deployment-owned bundled documentation.
 *
 * This is deliberately not part of the public widget init contract. Keeping
 * the registration profile strict and credential-free prevents a local docs
 * instance from being mistaken for an API-key-backed widget instance.
 */
export const suppliedOnlyLocalRegistrationSchema = z.strictObject({
	kind: z.literal("supplied-only-local"),
	profile: z.literal("bundled-docs"),
});

/** @internal Core init options; not accepted by the public SDK init parser. */
export const suppliedOnlyLocalInitOptionsSchema = z.strictObject({
	registration: suppliedOnlyLocalRegistrationSchema,
	colorScheme: z._default(
		z.optional(colorSchemeConfigInputSchema),
		DEFAULT_COLOR_SCHEME_CONFIG,
	),
});

/**
 * Core-only persisted registration carrying the host's current mutable runtime
 * configuration. This lets a replacement Core initialize from one coherent
 * snapshot without widening the public SDK init contract.
 */
export const persistedRuntimeInitOptionsSchema = z.extend(initOptionsSchema, {
	runtimeConfiguration: configureOptionsSchema,
});

/** @internal Core accepts public persisted init or the local docs profile. */
export const coreInitOptionsSchema = z.union([
	initOptionsSchema,
	persistedRuntimeInitOptionsSchema,
	suppliedOnlyLocalInitOptionsSchema,
]);

export type SuppliedOnlyLocalRegistration = z.output<
	typeof suppliedOnlyLocalRegistrationSchema
>;

export type SuppliedOnlyLocalInitOptions = z.output<
	typeof suppliedOnlyLocalInitOptionsSchema
>;

export type PersistedRuntimeInitOptions = z.output<
	typeof persistedRuntimeInitOptionsSchema
>;

export type CoreInitOptions = z.output<typeof coreInitOptionsSchema>;