import { describe, expect, it } from "vitest";

import {
  buildOperationPayload,
  defaultOperationFormValues,
} from "./model";

describe("buildOperationPayload", () => {
  it("creates a REST operation payload from form values", () => {
    const payload = buildOperationPayload(defaultOperationFormValues);

    expect(payload.protocol).toBe("rest");
    expect(payload.target.method).toBe("POST");
    expect(payload.input_mapping).toEqual({
      rules: [
        {
          source: "$.mcp.email",
          target: "$.request.body.email",
          required: true,
        },
      ],
    });
  });

  it("throws when JSON fields are invalid", () => {
    expect(() =>
      buildOperationPayload({
        ...defaultOperationFormValues,
        inputSchemaText: "{invalid",
      }),
    ).toThrow(/Input schema contains invalid JSON/);
  });
});