import BaseAlgorithm from '../core/BaseAlgorithm'
import Window from '../core/Window'

export default class ConnectRateAlgorithm extends BaseAlgorithm {

    compute(content: any, window: Window): void {
        let result = window.getResult()
        const finished = content["finished"]


        if (finished != "true") {
            return
        }

        const country = content["countryZh"]

        let { 
            viaUserDevice, 
            remoteInput, remoteOutput, localInput, localOutput, connEstablished,
            closeReason, localErrorMsg, remoteErrorMsg
        } = content

        let success = connEstablished == "1" || (localInput + localOutput > 0 && remoteInput + remoteOutput > 0)
        let deviceMetric: any = {}

        if (result[viaUserDevice]) {
            deviceMetric = result[viaUserDevice]
        }

        let metric = deviceMetric[country]

        if (!metric) {
            metric = {
                total: 0,
                fail: 0
            }
        } else {
            metric["total"]++

            if (!success) {
                metric["fail"]++

                let errors = metric["errors"]

                if (!errors) {
                    errors = {}
                }

                if (remoteErrorMsg) {
                    if (errors[remoteErrorMsg]) {
                        errors[remoteErrorMsg]++
                    } else {
                        errors[remoteErrorMsg] = 1
                    }
                }
        
                if (localErrorMsg) {
                    if (errors[localErrorMsg]) {
                        errors[localErrorMsg]++
                    } else {
                        errors[localErrorMsg] = 1
                    }
                }

                if (!remoteErrorMsg && !localErrorMsg) {
                    if (errors[closeReason]) {
                        errors[closeReason]++
                    } else {
                        errors[closeReason] = 1
                    }
                }

                metric["errors"] = errors
            }
        }

        deviceMetric[country] = metric
        result[viaUserDevice] = deviceMetric
        window.setResult(result)
    }
}