//Setup
export default async function({login, q, imports, data, account}, {enabled = false} = {}) {
  //Plugin execution
  try {
    //Check if plugin is enabled and requirements are met
    if ((!enabled) || (!q.skyline))
      return null

    //Load inputs
    let {year, frames, quality, compatibility} = imports.metadata.plugins.skyline.inputs({data, account, q})
    if (Number.isNaN(year)) {
      year = new Date().getFullYear()
      console.debug(`metrics/compute/${login}/plugins > skyline > year set to ${year}`)
    }
    const width = 454 * (1 + data.large)
    const height = 284

    //Start puppeteer and navigate to skyline.github.com
    console.debug(`metrics/compute/${login}/plugins > skyline > starting browser`)
    const browser = await imports.puppeteer.launch()
    console.debug(`metrics/compute/${login}/plugins > skyline > started ${await browser.version()}`)
    const page = await browser.newPage()
    await page.setViewport({width, height})

    //Load page
    console.debug(`metrics/compute/${login}/plugins > skyline > loading skyline.github.com/${login}/${year}`)
    await page.goto(`https://skyline.github.com/${login}/${year}`, {timeout: 90 * 1000})
    console.debug(`metrics/compute/${login}/plugins > skyline > waiting for initial render`)
    const frame = page.mainFrame()
    await page.waitForFunction('[...document.querySelectorAll("span")].map(span => span.innerText).includes("Share on Twitter")', {timeout: 90 * 1000})
    await frame.evaluate(() => [...document.querySelectorAll("button, footer, a")].map(element => element.remove()))

    //Generate gif
    console.debug(`metrics/compute/${login}/plugins > skyline > generating frames`)
    const animation = compatibility ? await imports.record({page, width, height, frames, scale: quality}) : await imports.gif({page, width, height, frames, quality: Math.max(1, quality * 20)})

    //Close puppeteer
    await browser.close()

    //Results
    return {animation, width, height, compatibility}
  }
  //Handle errors
  catch (error) {
    throw {error: {message: "An error occured", instance: error}}
  }
}