const formattedRespose = (leg) => {
    let result = {},
        legInfo = leg || response.routes[0].legs[0],
        basicInfo = {},
        resultantSteps = [],
        lastStep = {},
        nextPointInfo = {};

    basicInfo = {
        startAddress: legInfo.start_address,
        endAddress: legInfo.end_address,
        distance: legInfo.distance.text,
        duration: legInfo.duration.text,
        startTime: legInfo.departure_time.text,
        endTime: legInfo.arrival_time.text,
    };

    lastStep = {
        name: legInfo.end_address,
        time: legInfo.arrival_time.text,
    };

    nextPointInfo = {
        name: legInfo.start_address,
        time: legInfo.departure_time.text,
    };


    legInfo.steps.map((step, index) => {
        let stepObj = {},
            innerStepsHTML = [],
            transitDetails;

        stepObj.travelMode = step.travel_mode;

        if (step.travel_mode === 'WALKING') {
            stepObj.distance = step.distance.text;
            stepObj.duration = step.duration.text;

            stepObj.name = nextPointInfo.name;
            stepObj.time = nextPointInfo.time;

            stepObj.headSign = 'Walk';

            if (step.steps.length) {
                step.steps.map((innerStep, index) => {
                    innerStepsHTML.push(innerStep.html_instructions);
                })

                stepObj.innerSteps = innerStepsHTML;
            }
        } else if (step.travel_mode === 'TRANSIT') {
            transitDetails = step.transit_details;

            stepObj.distance = step.distance.text;
            stepObj.duration = step.duration.text;

            stepObj.name = transitDetails.departure_stop.name;
            stepObj.time = transitDetails.departure_time.text;
            stepObj.numOfSteps = transitDetails.num_stops;

            stepObj.headSign = transitDetails.headsign;
            stepObj.lineInfo = transitDetails.line;

            nextPointInfo.name = transitDetails.arrival_stop.name;
            nextPointInfo.time = transitDetails.arrival_time.text;
        }

        resultantSteps[index] = stepObj;
    });

    resultantSteps.push(lastStep);

    return { steps: resultantSteps, basicInfo };
 };


 export default formattedRespose;