import Replay from '#models/replay'
import env from '#start/env'
import type { HttpContext } from '@adonisjs/core/http'
const SENTRY_ORG = env.get('SENTRY_ORG')
import redis from '@adonisjs/redis/services/main'
import { fetchBatch } from '../Helpers/Replays.js'
import { sendDataToWebhook } from '../Helpers/Webhook.js'

export default class ReplaysController {
  public async stats({ request, response }: HttpContext) {
    const { sendToWebhook } = request.qs()
    const latestVersion = await redis.get(`replays:stats:latest_version`)
    let results
    if (!latestVersion) {
      console.log('Cache miss')
      results = await Replay.updateReplayStats()
    } else {
      console.log('cache hit')
      let data = await redis.get(`replays:stats:version:${latestVersion}:results`)
      if (data) {
        results = JSON.parse(data)
      }
    }

    let responseData = {
      version: results.version,
      updatedAt: results.updatedAt,
      numberOfRecords: results.rows.length,
      data: results.rows,
    }
    if (sendToWebhook) {
      await sendDataToWebhook(responseData)
    }
    return response.json(responseData)
  }

  public async home({ request, inertia }: HttpContext) {
    const page = request.input('page', 1)
    const perPage = 20
    const cacheKey = `replays:page:${page}`

    let data = await redis.get(cacheKey)
    let paginated, meta, replays

    if (data) {
      ;({ paginated, meta, replays } = JSON.parse(data))
    } else {
      paginated = await Replay.query().paginate(page, perPage)
      paginated.baseUrl('/')

      const json = paginated.toJSON()

      meta = {
        ...json.meta,
        links: buildPaginationLinks(json.meta),
      }

      replays = json.data

      await redis.set(cacheKey, JSON.stringify({ paginated, meta, replays }), 'EX', 60)
    }

    return inertia.render('Replays/Index', {
      data: {
        replays,
        meta,
      },
    })
  }

  async index({ request, response }: HttpContext) {
    const { statsPeriod, start, end } = request.qs()
    let queryString: string = '?statsPeriod=24h' // Default in case none is provided
    if (statsPeriod) {
      queryString = `?statsPeriod=${statsPeriod}`
    } else if (start && end) {
      queryString = `?start=${start}&end=${end}`
    }
    const queryFilter = env.get('QUERY_FILTER')
    await fetchBatch(
      `https://sentry.io/api/0/organizations/${SENTRY_ORG}/replays/${queryString}&field=id&field=user&field=duration&field=started_at&field=finished_at&query=${encodeURIComponent(queryFilter)}`
    )

    let queryResults = await Replay.updateReplayStats()

    return response.json({ version: queryResults.latestVersion, ...queryResults })
  }
}

function buildPaginationLinks(meta: {
  previousPageUrl: string
  lastPage: number
  currentPage: number
  nextPageUrl: string
}) {
  const links = []

  // Previous
  links.push({
    url: meta.previousPageUrl,
    label: '« Prev',
    active: false,
  })

  for (let page = 1; page <= meta.lastPage; page++) {
    links.push({
      url: `/?page=${page}`,
      label: page.toString(),
      active: page === meta.currentPage,
    })
  }

  // Next
  links.push({
    url: meta.nextPageUrl,
    label: 'Next &raquo;',
    active: false,
  })

  return links
}