//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, pwa} = 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 ${result.url}`)
    const categories = ["performance", "accessibility", "best-practices", "seo"]
    if (pwa){
      categories.push("pwa")
    }
    let categories_required = ""
    for (const category of categories){
      categories_required += `&category=${category}`
    }
    //Perform audit
    console.debug(`metrics/compute/${login}/plugins > pagespeed > performing audit ${categories_required}`)
    const request = await imports.axios.get(`https://www.googleapis.com/pagespeedonline/v5/runPagespeed?url=${url}${categories_required}${token ? `&key=${token}` : ""}`)
    for (const category of categories){
      const {score, title} = request.data.lighthouseResult.categories[category]
      result.scores.push({score, title})
      console.debug(`metrics/compute/${login}/plugins > pagespeed > performed audit ${category} (status code ${request.status})`)
    }
    //Store screenshot
    if (screenshot) {
      result.screenshot = request.data.lighthouseResult.audits["final-screenshot"].details.data
    }
    //Detailed metrics
    if (detailed) {
      console.debug(`metrics/compute/${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}}
  }
}