//Setup

export default async function({login, imports, data, q, account}, {enabled = false, token = null} = {}) {

//Plugin execution

try {

//Check if plugin is enabled and requirements are met

if ((!enabled) || (!q.pagespeed) || ((!data.user.websiteUrl) && (!q["pagespeed.url"])))

return null

//Load inputs

let {detailed, screenshot, url} = imports.metadata.plugins.pagespeed.inputs({data, account, q})

//Format url if needed

if (!/^https?:[/][/]/.test(url))

url = `https://${url}`

const {protocol, host} = imports.url.parse(url)

const result = {url: `${protocol}//${host}`, detailed, scores: [], metrics: {}}

//Load scores from API

console.debug(`metrics/compute/${login}/plugins > pagespeed > querying api for ${result.url}`)

const scores = new Map()

await Promise.all(["performance", "accessibility", "best-practices", "seo"].map(async category => {

//Perform audit

console.debug(`metrics/compute/${login}/plugins > pagespeed > performing audit ${category}`)

const request = await imports.axios.get(`https://www.googleapis.com/pagespeedonline/v5/runPagespeed?category=${category}&url=${url}${token ? `&key=${token}` : ""}`)

const {score, title} = request.data.lighthouseResult.categories[category]

scores.set(category, {score, title})

console.debug(`metrics/compute/${login}/plugins > pagespeed > performed audit ${category} (status code ${request.status})`)

//Store screenshot

if ((screenshot) && (category === "performance")) {

result.screenshot = request.data.lighthouseResult.audits["final-screenshot"].details.data

console.debug(`metrics/compute/${login}/plugins > pagespeed > performed audit ${category} (status code ${request.status})`)

}

}))

result.scores = [scores.get("performance"), scores.get("accessibility"), scores.get("best-practices"), scores.get("seo")]

//Detailed metrics

if (detailed) {

console.debug(`metrics/compute/${login}/plugins > pagespeed > performing detailed audit`)

const request = await imports.axios.get(`https://www.googleapis.com/pagespeedonline/v5/runPagespeed?&url=${url}${token ? `&key=${token}` : ""}`)

Object.assign(result.metrics, ...request.data.lighthouseResult.audits.metrics.details.items)

console.debug(`metrics/compute/${login}/plugins > pagespeed > performed detailed audit (status code ${request.status})`)

}

//Results

return result

}

//Handle errors

catch (error) {

let message = "An error occured"

if (error.isAxiosError) {

const status = error.response?.status

let description = error.response?.data?.error?.message?.match(/Lighthouse returned error: (?<description>[A-Z_]+)/)?.groups?.description ?? null

if ((status === 429) && (!description))

description = 'consider using "plugin_pagespeed_token"'

message = `API returned ${status}${description ? ` (${description})` : ""}`

error = error.response?.data ?? null

}

throw {error: {message, instance: error}}

}

}