$ErrorActionPreference = 'Stop'

$ProjectRoot = Split-Path -Parent $PSScriptRoot
$RequiredPaths = @(
    'README.md',
    'docs\01_tasks\00_MASTER_ASSIGNMENT.md',
    'docs\02_references\01_required\PROTOCOL_text_encoder_benchmark_StripNet_GTA_UAV.md',
    'vendor_reference\caption_test\src\models\stripnet_encoder.py',
    'vendor_reference\depth_edges_annotate_worlduav\scripts\run_gta_uav.py',
    'src\fuse_proj\models\fusion\base.py',
    'experiments\experiment_registry.csv'
)

$Missing = @()
foreach ($RelativePath in $RequiredPaths) {
    $FullPath = Join-Path $ProjectRoot $RelativePath
    if (-not (Test-Path -LiteralPath $FullPath)) {
        $Missing += $FullPath
    }
}

$ExternalPaths = @(
    'C:\Users\Lisadminipc\Documents\code\caption-test',
    'C:\Users\Lisadminipc\Documents\code\depth_edges_annotate_worlduav'
)

foreach ($ExternalPath in $ExternalPaths) {
    if (-not (Test-Path -LiteralPath $ExternalPath)) {
        $Missing += $ExternalPath
    }
}

if ($Missing.Count -gt 0) {
    Write-Error ("Missing required paths:`n" + ($Missing -join "`n"))
}

Write-Output 'Project layout and external source projects are available.'