type GraphqlResponse<T> = {
  data?: T;
  errors?: unknown;
};

type UserError = {
  field?: string[];
  message: string;
};

const shop = requiredEnv("SHOPIFY_SHOP_DOMAIN");
const token = requiredEnv("SHOPIFY_ADMIN_ACCESS_TOKEN");
const metaobjectType = process.env.METAOBJECT_TYPE || "$app:dreame_activity";
const metaobjectHandle = process.env.METAOBJECT_HANDLE || "dreame-activity-config";
const endpoint = `https://${shop}/admin/api/2026-01/graphql.json`;

const metaobjectMutation = `#graphql
  mutation DreameMetaobjectUpsert($handle: MetaobjectHandleInput!, $metaobject: MetaobjectUpsertInput!) {
    metaobjectUpsert(handle: $handle, metaobject: $metaobject) {
      metaobject {
        id
        handle
      }
      userErrors {
        field
        message
      }
    }
  }
`;

async function main() {
  const result = await graphql<{
    metaobjectUpsert?: {
      userErrors: UserError[];
    };
  }>(metaobjectMutation, {
    handle: {
      type: metaobjectType,
      handle: metaobjectHandle,
    },
    metaobject: {
      fields: [
        { key: "activity_id", value: "12" },
        { key: "api_app_id", value: "mock-app-id" },
        { key: "api_secret", value: "mock-secret" },
        { key: "status_api_url", value: "https://third-party.example/status" },
        { key: "push_api_url", value: "https://third-party.example/push" },
        { key: "status_success_code", value: "0" },
        { key: "status_active_required", value: "true" },
        { key: "push_success_code", value: "0" },
        { key: "redirect_url", value: "https://activity.example.com" },
        { key: "button_text", value: JSON.stringify({ en: "Claim Your Reward", "zh-CN": "领取奖励" }) },
        { key: "shop", value: shop },
      ],
    },
  });

  const userErrors = result.data?.metaobjectUpsert?.userErrors || [];
  if (userErrors.length) {
    throw new Error(JSON.stringify(userErrors));
  }
}

async function graphql<T>(query: string, variables: Record<string, unknown>): Promise<GraphqlResponse<T>> {
  const response = await fetch(endpoint, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "X-Shopify-Access-Token": token,
    },
    body: JSON.stringify({ query, variables }),
  });
  const payload = (await response.json()) as GraphqlResponse<T>;
  if (!response.ok || payload.errors) {
    throw new Error(JSON.stringify(payload.errors || payload));
  }
  console.log(JSON.stringify(payload, null, 2));
  return payload;
}

function requiredEnv(name: string): string {
  const value = process.env[name];
  if (!value) {
    throw new Error(`${name} is required`);
  }
  return value;
}

main().catch((error) => {
  console.error(error);
  process.exit(1);
});