import * as Promise from 'bluebird'
import Table = require('cli-table')
import { PresentationClient, ExportGetOptions, ExportData } from '../../../services/presentation'
import { CoError } from '../../../modules/co-error'
import HorizontalTable, { SortOrder } from '../../../modules/horizontal-table'

export default function list (presentationClient: PresentationClient, params: ExportGetOptions, maxWidth: number, tableStyle: TableStyle): Promise<HorizontalTable> {
  return presentationClient.getLastExports(params)
    .then(createTable(maxWidth, tableStyle))
    .then(descendingSortByDate)
    .catch(handleError)
}

function createTable (maxWidth: number, tableStyle: TableStyle): (presentations: ExportData[]) => HorizontalTable {
  return function (presentations) {
    const head = ['ID', 'CLM', 'Presentation', 'Status', 'Updated']
    const rows: string[][] = presentations.map(getTableRowsData)

    return new HorizontalTable({ head, rows }, maxWidth, tableStyle)
  }
}

function descendingSortByDate(table: HorizontalTable): HorizontalTable {
  const DATE_COLUMN_INDEX = 4

  return table.sortByRow(DATE_COLUMN_INDEX, SortOrder.Descending, Date.parse)
}

function getTableRowsData( presentation: ExportData): string[] {
  return [
    presentation.id,
    presentation.sub_type.code,
    presentation.presentation.name,
    presentation.last_build.status[presentation.last_build.status.length - 1].type,
    formatDate(presentation.updated_at)
  ]
}

function formatDate (date: string): string {
  return date ? new Date(date).toUTCString() : ''
}

function handleError (err: CoError): never {
  if(err.code === 'EMPTY_LIST'){
    throw new CoError('EXPORT_EMPTY_LIST')
  }

  throw err
}