#####User details here#####

#Givenergy Portal API Key Goes Below between " "

    $GivEnergyPortalAPI = "489f5bcf101a___OLD_INVERTER_KEY_HERE__3187cbe1"
    
    $InvSN = "SD___SERIAL_HERE__078"
    
    $StartYear = 2021
    $StartMonth = 4
    $StartDay = 1
        
    ##Repeat Data Pull Increment for X days
    $repeatFor = 4
    
    ##Sets Delay intervals (in Seconds) between calls. Beware you may get IP banned if you pull hundreds of calls with short intervals.     
    $refresh = "10"


########end user input#############


##Login to Old API ##
$Giv_En =  Invoke-WebRequest -Method 'Post' -Uri https://www.givenergy.cloud/GivManage/login/authKey?authKey=$GivEnergyPortalAPI -SessionVariable session
$Giv_En.Content | Out-File -FilePath.\Login.txt

Write-Output "Login Response Saved to: Login.txt" 

##Run first Call to create the file first##
$StartPoint = $StartDay
$Giv_En_Chart =  Invoke-WebRequest -Method 'Post' -Uri https://www.givenergy.cloud/GivManage/invData/$InvSN/$StartYear-$StartMonth-$StartDay"?page=1&rows=301" -WebSession $session
$Giv_En_Chart.Content | Out-File -FilePath .\DataDay$StartDay.txt
Out-File -FilePath .\DataTotals.txt

Write-Output "Data Saved to: DataDay$StartDay.txt" 

##Wrap whole script in a "while" to force it to loop (Powershell has no "goto" etc...)for as many loops as needed before end day
while (1) {

$Giv_En_Chart =  Invoke-WebRequest -Method 'Post' -Uri https://www.givenergy.cloud/GivManage/invData/$InvSN/$StartYear-$StartMonth-$StartDay"?page=1&rows=301" -WebSession $session
$Giv_En_Chart.Content | Out-File -FilePath .\DataDay$StartDay.txt

$JSON = Get-Content .\DataDay$StartDay.txt | ConvertFrom-Json 

    $Rows = ForEach($Row in $JSON.rows[0])
    {

    For($i = 0; $i -lt $JSON.rows.Length; ++$i )
        {
            Write-Output $JSON.rows[$i] | Add-Content -Path .\DataTotals.txt
                                }
                                        
   }       
   
Write-Output "Latest Data Added to: DataTotals.txt" 

##Increment Day by 1
$StartDay++

##this Runs on end Loop Only
if ($StartDay -eq ($StartPoint + $repeatFor)){

Write-Output "All done - Exit in 5...." 
start-sleep -s 5

Exit 

##end loop
}

Write-Output "Sleeping for $refresh Sec before refresh. Next pull is for day: $StartDay"
start-sleep -s $refresh

}