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

    //Load inputs
    let {sections, indepth} = imports.metadata.plugins.followup.inputs({data, account, q})

    //Define getters
    const followup = {
      sections,
      issues:{
        get count() {
          return this.open + this.closed + this.drafts + this.skipped
        },
        get open() {
          return computed.repositories.issues_open
        },
        get closed() {
          return computed.repositories.issues_closed
        },
        drafts:0,
        skipped:0,
        collaborators:{
          open:0,
          closed:0,
          drafts:0,
          skipped:0,
        },
      },
      pr:{
        get count() {
          return this.open + this.closed + this.merged + this.drafts
        },
        get open() {
          return computed.repositories.pr_open
        },
        get closed() {
          return computed.repositories.pr_closed
        },
        get merged() {
          return computed.repositories.pr_merged
        },
        drafts:0,
        collaborators:{
          open:0,
          closed:0,
          merged:0,
          drafts:0,
        },
      },
    }

    //Extras features
    if (extras) {
      //Indepth mode
      if (indepth) {
        console.debug(`metrics/compute/${login}/plugins > followup > indepth`)
        followup.indepth = {repositories:{}}

        //Process repositories
        for (const {name:repo, owner:{login:owner}} of data.user.repositories.nodes) {
          try {
            console.debug(`metrics/compute/${login}/plugins > followup > processing ${owner}/${repo}`)
            followup.indepth.repositories[`${owner}/${repo}`] = {stats:{}}
            //Fetch users with push access
            let {repository:{collaborators:{nodes:collaborators}}} = await graphql(queries.followup["repository.collaborators"]({repo, owner}))
            console.debug(`metrics/compute/${login}/plugins > followup > found ${collaborators.length} collaborators`)
            followup.indepth.repositories[`${owner}/${repo}`].collaborators = collaborators.map(({login}) => login)
            //Fetch issues and pull requests created by collaborators
            collaborators = collaborators.map(({login}) => `-author:${login}`).join(" ")
            const stats = await graphql(queries.followup.repository({repo, owner, collaborators}))
            followup.indepth.repositories[`${owner}/${repo}`] = stats
            //Aggregate global stats
            for (const [key, {issueCount:count}] of Object.entries(stats)) {
              const [section, type] = key.split("_")
              followup[section].collaborators[type] += count
            }
          }
          catch (error) {
            console.debug(error)
            console.debug(`metrics/compute/${login}/plugins > followup > an error occured while processing ${owner}/${repo}, skipping...`)
          }
        }
      }
    }

    //Load user issues and pull requests
    if ((account === "user") && (sections.includes("user"))) {
      const search = await graphql(queries.followup.user({login}))
      followup.user = {
        issues:{
          get count() {
            return this.open + this.closed + this.drafts + this.skipped
          },
          open:search.issues_open.issueCount,
          closed:search.issues_closed.issueCount,
          drafts:search.issues_drafts.issueCount,
          skipped:search.issues_skipped.issueCount,
        },
        pr:{
          get count() {
            return this.open + this.closed + this.merged + this.drafts
          },
          open:search.pr_open.issueCount,
          closed:search.pr_closed.issueCount,
          merged:search.pr_merged.issueCount,
          drafts:search.pr_drafts.issueCount,
        },
      }
    }

    //Results
    return followup
  }
  //Handle errors
  catch (error) {
    throw {error:{message:"An error occured", instance:error}}
  }
}
