# Default params, $Cores must be set to 0 to automatically detect core count.
Param(
  [Int]$Cores = 0,
  [Bool]$Log = $False
)

# Set the working directory to pass in to the background job
$workdir = (Split-Path -Path $MyInvocation.MyCommand.Definition -Parent) 

# Start logging

if ($Log) {
  Start-Transcript -Path $workdir\compile.txt
}


# If $Cores param is set to 0, detect how many cores this machine has, else use $Cores
if ($Cores-ne 0) {
  $MaxThreads = $Cores
  Write-Host "Overriding core count with $Cores."
} 
else {
  $MaxThreads = (Get-WmiObject -Class Win32_Processor).NumberOfLogicalProcessors
  Write-Host "Running with $MaxThreads Cores by default."
}

# Generate a list of files to process
$files = (ls *.pwn).Name

# Define the script block, used by start-job when initiating the background job. This block defines the command that will be run, along with it's parameters.
$Block = {
    Param([string] $file, [string] $workdir)
    & cd $workdir; .\pawncc.exe $file
}

# Remove all jobs, in case there are old ones from a failed build
Get-Job | Remove-Job

# Start the jobs. Max jobs running simultaneously defined by $MaxThreads set above.
foreach($file in $files){
    While ($(Get-Job -state running).count -ge $MaxThreads){
        Start-Sleep -Milliseconds 3
    }
    Start-Job -Scriptblock $Block -ArgumentList $file, $workdir
}

# Once last job has been started, wait for all jobs to finish.
While ($(Get-Job -State Running).count -gt 0){
    start-sleep 1
}

# Get information from each job.
foreach($job in Get-Job){
    $info= Receive-Job -Id ($job.Id)
}

# Remove all jobs created.
Get-Job | Remove-Job

if ($Log) {
  Stop-Transcript
}