import { logger } from '../logger'
import { IIntentSource, IIntentSourcesOptions } from './types'

export function getStorage(lsKey: string) {
  try {
    const item = localStorage.getItem(lsKey)
    return JSON.parse(item || '')
  } catch {
    return null
  }
}

export const verifyOptions = (options: unknown): boolean => {
  if (typeof options !== 'object') {
    logger.error(
      `Error loading Dreamdata script: 'intentSources' option must be an object but got ${typeof options}. This means there is likely an error in your script setup.`
    )
    return false
  }

  if (options === null) {
    logger.error(
      'Failed to parse intent sources options due to a bug in our script. Please contact Dreamdata support.'
    )
    return false
  }

  if (Object.keys(options).length === 0) {
    logger.error(
      "Error loading Dreamdata script: 'intentSources' cannot be empty if enabled. This means there is likely an error in your script setup."
    )
    return false
  }

  return true
}

export const getMatchingSources = (
  sources: IIntentSource[],
  options: IIntentSourcesOptions
) => {
  const matchingSources: IIntentSource[] = []

  for (const [name, enabled] of Object.entries(options)) {
    if (!enabled) {
      continue
    }

    const foundSource = sources.find((source) => source.name === name)

    if (foundSource) {
      matchingSources.push(foundSource)
    } else {
      logger.error(
        `Unable to find intent source '${name}'. This means you have included an intent source in your script setup that is not recognized by Dreamdata.`
      )
    }
  }

  return matchingSources
}