'use strict'

const moment = require('moment')
const LegacyService = require('../legacy-service')
const {
  makeBadgeData: getBadgeData,
  makeLogo: getLogo,
} = require('../../lib/badge-data')
const { formatDate } = require('../../lib/text-formatters')
const { age } = require('../../lib/color-formatters')

// For Github Release & Pre-Release Date release-date-pre (?:\/(all))?
module.exports = class GithubReleaseDate extends LegacyService {
  static registerLegacyRouteHandler({ camp, cache, githubApiProvider }) {
    camp.route(
      /^\/github\/(release-date|release-date-pre)\/([^/]+)\/([^/]+)\.(svg|png|gif|jpg|json)$/,
      cache((data, match, sendBadge, request) => {
        const releaseType = match[1] // eg, release-date-pre / release-date
        const user = match[2] // eg, microsoft
        const repo = match[3] // eg, vscode
        const format = match[4]
        let apiUrl = `/repos/${user}/${repo}/releases`
        if (releaseType === 'release-date') {
          apiUrl += '/latest'
        }
        const badgeData = getBadgeData('release date', data)
        if (badgeData.template === 'social') {
          badgeData.logo = getLogo('github', data)
        }
        githubApiProvider.request(request, apiUrl, {}, (err, res, buffer) => {
          if (err != null) {
            badgeData.text[1] = 'inaccessible'
            sendBadge(format, badgeData)
            return
          }

          //github return 404 if repo not found or no release
          if (res.statusCode === 404) {
            badgeData.text[1] = 'no releases or repo not found'
            sendBadge(format, badgeData)
            return
          }

          try {
            let data = JSON.parse(buffer)
            if (releaseType === 'release-date-pre') {
              data = data[0]
            }
            const releaseDate = moment(data.created_at)
            badgeData.text[1] = formatDate(releaseDate)
            badgeData.colorscheme = age(releaseDate)
            sendBadge(format, badgeData)
          } catch (e) {
            badgeData.text[1] = 'invalid'
            sendBadge(format, badgeData)
          }
        })
      })
    )
  }
}