import { engine } from '@dcl/ecs'
import { createTestRuntime } from './runtime'
import { TestDefinitionFunction, TestingModule } from './types'

declare let require: any

/**
 * In development builds, this function serves as test runner for automated test scenarios
 * if the runtime accepts the `~system/Testing` module
 * @public
 */
/* @__PURE__ */
export const test: TestDefinitionFunction = DEBUG ? /* @__PURE__ */ createTestFunction() : /* @__PURE__ */ () => {}

function createTestFunction() {
  let testingModule: TestingModule
  try {
    testingModule = /* @__PURE__ */ require('~system/Testing')
  } catch (err) {
    console.error(err)

    console.error(`🔴🚨‼️ WARNING: The test runner is not available. The test runner will be mocked. ‼️🚨🔴`)

    testingModule = {
      async logTestResult(data) {
        console.log(`🧪 mocked '~system/Testing'.logResult`, data)
        return {}
      },
      async plan(data) {
        console.log(`🧪 mocked '~system/Testing'.plan`, data)
        return {}
      },
      async setCameraTransform(transform) {
        console.log(`🧪 mocked '~system/Testing'.setCameraTransform`, transform)
        return {}
      }
    }
  }

  const runtime = createTestRuntime(testingModule, engine)
  return runtime.test
}