import moment from 'moment'

export default class DatesUtils {
  private $moment:typeof moment;

  constructor (momentInstance:any) {
    this.$moment = momentInstance
  }

  formattedDate (dates:any, format:string): string {
    const d_format:Array<string> = []
    if (Array.isArray(dates)) {
      for (const date of dates) {
        d_format.push(this.$moment(date).format(format))
      }
    } else {
      d_format.push(this.$moment(dates as string).format(format))
    }
    return d_format.join(' - ')
  }

  sortDate (dates:Array<string>): Array<string> {
    return dates.sort((a, b) => {
      if (a > b) { return 1 }
      if (a < b) { return -1 }
      return 0
    })
  }
}