#!/usr/bin/pwsh

#
# author: arian furrer
# date: 2024-06-01
#

#
# This script copies Slippi replays into sub-folders in case you
# forgot to set the flag that already does that. Mainly used
# for older replays
#

#
# Usage:
#     ./group-replays-by-date.ps1 -InputDir /path/to/in -OutputDir /path/to/out
#

param(
  [Parameter(Mandatory)]
  [String]$InputDir,

  [Parameter(Mandatory)]
  [String]$OutputDir
)

$AllFiles = $( Get-ChildItem -Path $InputDir -Filter 'Game_*.slp' -Depth 1 )

Write-Verbose "Script start. Processing [$( $AllFiles.Length )] files"

ForEach ($f in $AllFiles) {
  $FileName = $f.Name
  $FilePath = $f.FullName

  Write-Verbose "Processing [${FileName}]"

  $DateString = $( ( $FileName.Split("_").Split("T") )[1] )
  $NewDateString = $( [datetime]::ParseExact($DateString,"yyyyMMdd",$null) ).ToString('yyyy-MM')

  $NewOutputDir = $( Join-Path $OutputDir $NewDateString )

  if ( -not ( Test-Path $NewOutputDir ) ) {
    Write-Verbose "[$NewOutputDir] doesn't exist. Creating"
    New-Item -Path $NewOutputDir -ItemType Directory
  }

  Copy-Item -Path $FilePath -Destination $( Join-Path $NewOutputDir $FileName )
}

Write-Verbose "Script finished. Exiting"