'use strict'

const Joi = require('joi')

const { renderLicenseBadge } = require('../licenses')

const { GithubAuthV3Service } = require('./github-auth-service')

const { documentation, errorMessagesFor } = require('./github-helpers')

const schema = Joi.object({

// Some repos do not have a license, in which case GitHub returns `{ license: null }`.

license: Joi.object({ spdx_id: Joi.string().required() }).allow(null),

}).required()

module.exports = class GithubLicense extends GithubAuthV3Service {

static category = 'license'

static route = { base: 'github/license', pattern: ':user/:repo' }

static examples = [

{

title: 'GitHub',

namedParams: { user: 'mashape', repo: 'apistatus' },

staticPreview: {

label: 'license',

message: 'MIT',

color: 'green',

},

documentation,

},

]

static defaultBadgeData = { label: 'license' }

static render({ license }) {

if (license === 'NOASSERTION') {

return { message: 'not identifiable by github' }

} else if (license) {

return renderLicenseBadge({ license })

} else {

return { message: 'not specified' }

}

}

async handle({ user, repo }) {

const { license: licenseObject } = await this._requestJson({

schema,

url: `/repos/${user}/${repo}`,

errorMessages: errorMessagesFor('repo not found'),

})

const license = licenseObject ? licenseObject.spdx_id : undefined

return this.constructor.render({ license })

}

}