"use server";

import { revalidatePath } from "next/cache";
import { systemMutationService } from "@/features/housekeeping/domains/system/services/mutations";
import { createHousekeepingCapabilityContext } from "@/features/housekeeping/foundation/capability-context";
import { createCorrelationId } from "@/features/housekeeping/foundation/correlation";
import { requirePermission } from "@/lib/admin/guard";
import { PERMS } from "@/lib/permissions";

// emulator_settings: PK is the string column `key`, payload is `value` (VarChar 512).
// emulator_texts: PK is the string column `key`, payload is `value` (VarChar 4096).
// Both tables are emulator-owned; we only ever read/update existing rows or add new
// keys via upsert. We never migrate or drop them.

function mutationContext(staff: {
	id: number;
	rank: number;
	username: string;
}) {
	const matches = (slug: string) => slug === PERMS.SETTINGS_EDIT;
	return {
		capability: createHousekeepingCapabilityContext(staff, {
			isSuperAdmin: false,
			has: matches,
			hasAny: (...slugs: string[]) => slugs.some(matches),
			hasAll: (...slugs: string[]) => slugs.every(matches),
		}),
		correlationId: createCorrelationId(),
	};
}

async function requireMutation(
	staff: { id: number; rank: number; username: string },
	operation:
		| "configuration.emulator-setting.update"
		| "configuration.emulator-text.update",
	input: { key: string; value: string },
): Promise<void> {
	const result = await systemMutationService.execute(
		mutationContext(staff),
		operation,
		input,
	);
	if (!result.ok) throw new Error(result.error.messageKey);
}

export async function updateEmulatorSetting(formData: FormData): Promise<void> {
	const staff = await requirePermission(PERMS.SETTINGS_EDIT);
	const key = String(formData.get("key") ?? "")
		.normalize("NFC")
		.trim()
		.slice(0, 100);
	const value = String(formData.get("value") ?? "")
		.normalize("NFC")
		.slice(0, 512);
	if (!key) return;
	await requireMutation(staff, "configuration.emulator-setting.update", {
		key,
		value,
	});
	revalidatePath("/admin/emulator");
}

export async function updateEmulatorText(formData: FormData): Promise<void> {
	const staff = await requirePermission(PERMS.SETTINGS_EDIT);
	const key = String(formData.get("key") ?? "")
		.normalize("NFC")
		.trim()
		.slice(0, 100);
	const value = String(formData.get("value") ?? "")
		.normalize("NFC")
		.slice(0, 4096);
	if (!key) return;
	await requireMutation(staff, "configuration.emulator-text.update", {
		key,
		value,
	});
	revalidatePath("/admin/emulator");
}