#!/usr/bin/env pwsh
param(
    [Parameter(Mandatory)]
    $filePrefix,
    $s3Lookup = $(Import-PowerShellDataFile "$PSScriptRoot/s3lookup.psd1"),
    $profileName = [Environment]::GetEnvironmentVariable('AWSWEB_PROFILE').Trim("`""),
    $dataFolderPath = "$PSScriptRoot/data"
)
$InformationPreference = "Continue"

if (-not(Test-Path $dataFolderPath)) {
    New-Item $dataFolderPath -ItemType Directory | Out-Null
}

if ( -not ($s3Lookup.ContainsKey($profileName))) {
    throw "Profile missing, ensure $PSScriptRoot/s3Lookup.psd1 contains an entry for $profileName"
}

$s3Bucket = $s3Lookup[$profileName]
$result = aws s3api list-objects --bucket $s3Bucket --prefix $filePrefix | ConvertFrom-Json -Depth 100
$files = $result.Contents
$files | ForEach-Object {
    $file = $_
    $srcFilePath = "s3://$($s3Bucket)/$($file.Key)"
    $targetFilePath = "$dataFolderPath/$($file.Key)"
    Write-Information "Copying $srcFilePath to $targetFilePath ..."
    aws s3 cp $srcFilePath $targetFilePath | Out-Null
    Write-Information "Done copying $srcFilePath to $targetFilePath"
}