[string] $dtHost = $ENV:DONETICKHOST
[string] $dtPort = $ENV:DONETICKPORT
[string] $dtAPIKey = $ENV:DONETICKAPIKEY
[string] $appriseWebhookURL = $ENV:APPRISEWEBHOOKURL
[string] $appriseWebhookTag = $ENV:APPRISEWEBHOOKTAG


function Send-Notification
{
    param(
        # Title of the notification
        [Parameter(Mandatory=$true)]
        [string]
        $title,

        # Content of the notification
        [Parameter(Mandatory=$true)]
        [string]
        $content
    )

    $headers = @{
        "Content-Type"="application/json"
    }
    $body = @{
        title=$title
        body=$content
        tags="$appriseWebhookTag"
    }
    $json = $body | ConvertTo-Json
    try {
        Invoke-WebRequest -URI $appriseWebhookURL -Method post -Body $json -Headers $headers
    }
    catch {
        Write-Host "Notification Error Encountered: $($global:Error[0])"
    }
}

function Get-Chores
{
    try {
        $headers = @{
            secretkey = $dtAPIKey
        }
        $results = Invoke-WebRequest -Uri "https://$dtHost`:$dtPort/eapi/v1/chore" -Method Get -Headers $headers
        return ($results.Content | ConvertFrom-Json)
    }
    catch {
        Write-Error "Error fetching chores: $($global:Error[0])"
    }
}

$today = (Get-Date "23:59:59")
$chores = Get-Chores

$overdueTasks = @()
$todaysTasks = @()

foreach($chore in $chores)
{
    if ($chore.nextDueDate)
    {
        $dueDate = (Get-Date $chore.nextDueDate).ToLocalTime()
        if (($dueDate - $today).Days -lt 0) #OVERDUE
        {
            write-host "$($chore.name) $dueDate is overdue!"
            $overdueTasks += $chore
        }
        elseif (($dueDate - $today) -lt 1) #due today
        {
            write-host "$($chore.name) $dueDate is due today!"
            $todaysTasks += $chore
            # Send-Notification -title "TASK DUE TODAY" -content "$($chore.Name) is due today!"
        }
        else
        {
            write-host "$($chore.name) $dueDate is due in the future"
        }
    }

}

if ($overdueTasks.Count -ne 0)
{
    Write-Host "Sending a notification for $($overdueTasks.Count) overdue tasks"
    $content = "The following tasks are overdue!`n"
    foreach($overdueTask in $overdueTasks)
    {
        $content += "$($overdueTask.Name) was due $((Get-Date $overdueTask.nextDueDate -Format "MM/dd/yyyy HH:mm").ToLocalTime())`n"
    }
    Send-Notification -title "OVERDUE TASKS" -content $content
}

if ($todaysTasks.Count -ne 0)
{
    Write-Host "Sending a notification for $($todaysTasks.Count) tasks due today"
    $content = "The following tasks are due today!`n"
    foreach($task in $todaysTasks)
    {
        $content += "$($task.Name) is due $((Get-Date $task.nextDueDate -Format "MM/dd/yyyy HH:mm").ToLocalTime())`n"
    }
    Send-Notification -title "TODAY'S TASKS" -content $content
}