import { ActionTypes } from './types';
import { Moment } from 'moment'


export type DateTimeRangeType = [Moment|null,Moment|null]|null;


export interface GlobalTime {
    maxTime: number;
    minTime: number;
}

export interface updateTimeIntervalAction {
    type: ActionTypes.updateTimeInterval;
    payload: GlobalTime;
  }

export const updateTimeInterval = (interval:string, datetimeRange?:[number,number]) => {

    let maxTime: number = 0;
    let minTime: number = 0;
    console.log('interval', interval, typeof(interval))
    // if interval string is custom, then datetimRange should be present and max & min time should be
    // set directly based on that. Assuming datetimeRange values are in ms, and minTime is 0th element

    switch (interval) {
        case '15min': 
            
            maxTime=Date.now()*1000000; // in nano sec
            minTime=(Date.now()-15*60*1000)*1000000;
            console.log('max time 15 in case',maxTime)
            break;
                   
        case '30min':
            maxTime=Date.now()*1000000; // in nano sec
            minTime=(Date.now()-30*60*1000)*1000000;
            console.log('max time in 30 min case',maxTime)
            break; 

        case '1hr':
            maxTime=Date.now()*1000000; // in nano sec
            minTime=(Date.now()-1*60*60*1000)*1000000;
            break;

        case '6hr':
            maxTime=Date.now()*1000000; // in nano sec
            minTime=(Date.now()-6*60*60*1000)*1000000;
            break;
        
        case '1day':
            maxTime=Date.now()*1000000; // in nano sec
            minTime=(Date.now()-24*60*60*1000)*1000000;
            break;

        case '1week':
            maxTime=Date.now()*1000000; // in nano sec
            minTime=(Date.now()-7*24*60*60*1000)*1000000;
            break;

        case 'custom':
            if  (datetimeRange !== undefined)
            {
                maxTime=datetimeRange[1]*1000000;// in nano sec
                minTime=datetimeRange[0]*1000000;// in nano sec
            }
            break;

        default:
            console.log('not found matching case') 
           
    }
        
    
    return {
        type: ActionTypes.updateTimeInterval,
        payload: {maxTime:maxTime, minTime:minTime},
    };
};