import { promisify } from 'util'
import { JaxConfig } from '../JaxConfig'
import Logger from '@ioc:Adonis/Core/Logger'
import Redis from '@ioc:Adonis/Addons/Redis'
import { RiotRateLimiter } from '@fightmegg/riot-rate-limiter'

export default class JaxRequest {
  private region: string
  private config: JaxConfig
  private endpoint: string
  private limiter: RiotRateLimiter
  private cacheTime: number
  private retries: number
  private sleep: { (ms: number): Promise<void>; <T>(ms: number, value: T): Promise<T> }

  constructor (region: string, config: JaxConfig, endpoint: string, limiter: RiotRateLimiter, cacheTime: number) {
    this.region = region
    this.config = config
    this.endpoint = endpoint
    this.limiter = limiter
    this.cacheTime = cacheTime
    this.retries = config.requestOptions.retriesBeforeAbort

    this.sleep = promisify(setTimeout)
  }

  public async execute () {
    const url = `https://${this.region}.api.riotgames.com/lol/${this.endpoint}`

    // Redis cache
    if (this.cacheTime > 0) {
      const requestCached = await Redis.get(url)
      if (requestCached) {
        return JSON.parse(requestCached)
      }
    }

    try {
      const resp = await this.limiter.execute({
        url,
        options: {
          headers: {
            'X-Riot-Token': this.config.key,
          },
        },
      })

      if (this.cacheTime > 0) {
        await Redis.setex(url, this.cacheTime, JSON.stringify(resp))
      }
      return resp
    } catch ({ statusCode, ...rest }) {
      this.retries--

      if (statusCode !== 500 && statusCode !== 503 && statusCode !== 504) {
        // Don't log 404 when summoner isn't playing or the summoner doesn't exist
        if (!this.endpoint.includes('spectator/v4/active-games/by-summoner') &&
          !this.endpoint.includes('summoner/v4/summoners/by-name')
        ) {
          Logger.error(`JaxRequest Error ${statusCode} : `, rest)
        }

        return
      }

      console.log('====================================')
      console.log(statusCode)
      console.log('====================================')

      if (this.retries > 0) {
        await this.sleep(this.config.requestOptions.delayBeforeRetry)
        return this.execute()
      }
    }
  }
}