import { Interface } from '../index.js'
import inquirer from 'inquirer'
import { formatVariant } from '../utils.js'

export default function createInterface(): Interface {
  const iface: Interface = {
    filterScenarios: async (scenarios) => {
      if (scenarios.length === 1) {
        return scenarios
      }
      let answer = await inquirer.prompt({
        type: 'checkbox',
        name: 'scenarios',
        default: scenarios.slice(),
        message: 'Choose scenarios to run',
        choices: scenarios.map((scenario) => ({
          name: scenario.name,
          value: scenario,
        })),
      })
      return answer.scenarios
    },
    filterScenarioVariants: async (variants) => {
      if (variants.length === 1) {
        return variants
      }
      let answer = await inquirer.prompt({
        type: 'checkbox',
        name: 'variants',
        default: variants.slice(),
        message: 'Choose variants to run',
        choices: variants.map((variant) => {
          return {
            name: formatVariant(variant.scenario.name, variant.props),
            value: variant,
          }
        }),
      })
      return answer.variants
    },
  }

  return iface
}