import * as debug from '../../debug'

import { store } from 'solid-logic-jss'

import ns from '../../ns'

import { NamedNode } from 'rdflib'

import { getRootIfPreferencesExist } from './otherHelpers'

export const pubKeyUrl = (webId: NamedNode) => {

let url

try {

const root = getRootIfPreferencesExist(webId)

url = `${root}/profile/keys/publicKey.ttl`

} catch (err) {

debug.error(err)

}

return url

}

export const privKeyUrl = (webId: NamedNode) => {

let url

try {

const root = getRootIfPreferencesExist(webId)

url = `${root}/settings/keys/privateKey.ttl`

} catch (err) {

debug.error(err)

}

return url

}

export async function getExistingPublicKey (webId: NamedNode, publicKeyUrl: string) {

// find publickey

return await getKeyIfExists(webId, publicKeyUrl, 'publicKey')

}

export async function getExistingPrivateKey (webId: NamedNode, privateKeyUrl: string) {

// find privateKey

return await getKeyIfExists(webId, privateKeyUrl, 'privateKey')

}

type KeyType = 'publicKey' | 'privateKey'

export async function getKeyIfExists (webId: NamedNode, keyUrl: string, keyType: KeyType) {

try {

await store.fetcher.load(keyUrl)

const key = store.any(webId, ns.solid(keyType)) // store.sym(CERT + keyType))

return key?.value // as NamedNode

} catch (err) {

if (err.response.status === 404) {

debug.log(

'createIfNotExists: doc does NOT exist, will create... ' + keyUrl

)

try {

await store.fetcher.webOperation('PUT', keyUrl, {

data: '',

contentType: 'text/turtle'

})

} catch (err) {

debug.log('createIfNotExists doc FAILED: ' + keyUrl + ': ' + err)

throw err

}

delete store.fetcher.requested[keyUrl] // delete cached 404 error

// debug.log('createIfNotExists doc created ok ' + doc)

return undefined // response

} else {

debug.log('createIfNotExists doc FAILED: ' + keyUrl + ': ' + err)

throw err

}

}

}