import { describe, expect, it } from 'vitest';
import { getRuntimeMode } from './getRuntimeMode';

describe('getRuntimeMode', () => {
  it('prefers explicit runtimeMode from plugin parameters', () => {
    expect(
      getRuntimeMode({
        runtimeMode: 'lambdaless',
        deploymentURL: 'https://record-bin.example.com',
      }),
    ).toBe('lambdaless');

    expect(
      getRuntimeMode({
        runtimeMode: 'lambda',
      }),
    ).toBe('lambda');
  });

  it('accepts legacy boolean lambdaFullMode parameter', () => {
    expect(
      getRuntimeMode({
        lambdaFullMode: true,
      }),
    ).toBe('lambda');

    expect(
      getRuntimeMode({
        lambdaFullMode: false,
        deploymentURL: 'https://record-bin.example.com',
      }),
    ).toBe('lambdaless');
  });

  it('returns lambda when deploymentURL exists', () => {
    expect(
      getRuntimeMode({
        deploymentURL: 'https://record-bin.example.com',
      }),
    ).toBe('lambda');
  });

  it('returns lambda when vercelURL exists and deploymentURL is empty', () => {
    expect(
      getRuntimeMode({
        deploymentURL: '   ',
        vercelURL: 'https://record-bin.example.com',
      }),
    ).toBe('lambda');
  });

  it('returns lambdaless when no URL is configured', () => {
    expect(getRuntimeMode(undefined)).toBe('lambdaless');
    expect(getRuntimeMode({})).toBe('lambdaless');
    expect(getRuntimeMode({ deploymentURL: '' })).toBe('lambdaless');
  });
});