# Update subfolders with the latest UpdateSequences and UpdateAllSequences scripts

Set-StrictMode -Version Latest
$ErrorActionPreference = 'Stop'

if (-not $PSScriptRoot) {
    $PSScriptRoot = Split-Path -Parent $MyInvocation.MyCommand.Path
}

$configLoader = Join-Path -Path $PSScriptRoot -ChildPath 'ConfigLoader.ps1'
if (-not (Test-Path -LiteralPath $configLoader)) {
    throw "Missing ConfigLoader.ps1 in $PSScriptRoot"
}
. $configLoader

$structDir = Get-StructDirectory
$projectsRoot = Get-ProjectsRoot

$sourceBat = Join-Path -Path $structDir -ChildPath 'UpdateSequences.bat'
$sourceAllBat = Join-Path -Path $structDir -ChildPath 'UpdateAllSequences.bat'
$sourceZipBat = Join-Path -Path $structDir -ChildPath 'ZipSeqArchv.bat'
$sourceUnzipBat = Join-Path -Path $structDir -ChildPath 'UnzipSeqArchv.bat'
$configLoaderSource = Join-Path -Path $structDir -ChildPath 'ConfigLoader.ps1'
$configJsonSource = Join-Path -Path $structDir -ChildPath 'config.json'

if (-not (Test-Path -LiteralPath $sourceBat)) { Write-Error "Source file not found: $sourceBat"; exit 1 }
if (-not (Test-Path -LiteralPath $sourceAllBat)) { Write-Error "Source file not found: $sourceAllBat"; exit 1 }
if (-not (Test-Path -LiteralPath $sourceZipBat)) { Write-Error "Source file not found: $sourceZipBat"; exit 1 }
if (-not (Test-Path -LiteralPath $sourceUnzipBat)) { Write-Error "Source file not found: $sourceUnzipBat"; exit 1 }
if (-not (Test-Path -LiteralPath $configLoaderSource)) { Write-Error "Config loader not found: $configLoaderSource"; exit 1 }
if (-not (Test-Path -LiteralPath $configJsonSource)) { Write-Error "Config file not found: $configJsonSource"; exit 1 }

$specs = @(
    @{ Name = "UpdateSequences.bat"; Source = $sourceBat },
    @{ Name = "UpdateAllSequences.bat"; Source = $sourceAllBat },
    @{ Name = "ZipSeqArchv.bat"; Source = $sourceZipBat },
    @{ Name = "UnzipSeqArchv.bat"; Source = $sourceUnzipBat }
)

$sharedAssets = @(
    @{ Name = 'ConfigLoader.ps1'; Source = $configLoaderSource },
    @{ Name = 'config.json'; Source = $configJsonSource }
)

$grandTotal = 0
$grandUpdated = 0
$grandFailed = 0
$touchedDirs = @{}

foreach ($spec in $specs) {
    Write-Host "=== Updating $($spec.Name) files ===" -ForegroundColor Cyan
    Write-Host "Source: $($spec.Source)" -ForegroundColor White
    Write-Host "" 
    
    $targets = Get-ChildItem -LiteralPath $projectsRoot -Recurse -Filter $spec.Name -File -ErrorAction SilentlyContinue |
        Where-Object { $_.FullName -ne $spec.Source }
    Write-Host "Found $($targets.Count) target files to update:" -ForegroundColor Yellow
    foreach ($t in $targets) { Write-Host "  - $($t.FullName)" -ForegroundColor Gray }
    Write-Host "" 

    $updated = 0
    $failed = 0
    foreach ($t in $targets) {
        $targetDir = $t.Directory.FullName
        try {
            Copy-Item -Path $spec.Source -Destination $t.FullName -Force
            Write-Host "✓ Updated: $($t.FullName)" -ForegroundColor Green
            $updated++

            if (-not $touchedDirs.ContainsKey($targetDir)) {
                foreach ($asset in $sharedAssets) {
                    try {
                        Copy-Item -Path $asset.Source -Destination (Join-Path -Path $targetDir -ChildPath $asset.Name) -Force
                    }
                    catch {
                        Write-Host "✗ Failed to copy $($asset.Name) to $targetDir" -ForegroundColor Red
                        Write-Host "  Error: $($_.Exception.Message)" -ForegroundColor Red
                    }
                }
                $touchedDirs[$targetDir] = $true
            }
        }
        catch {
            Write-Host "✗ Failed to update: $($t.FullName)" -ForegroundColor Red
            Write-Host "  Error: $($_.Exception.Message)" -ForegroundColor Red
            $failed++
        }
    }

    Write-Host "" 
    Write-Host "=== $($spec.Name) SUMMARY ===" -ForegroundColor Magenta
    Write-Host "Successfully updated: $updated" -ForegroundColor Green
    Write-Host "Failed updates: $failed" -ForegroundColor Red
    Write-Host "Total targets: $($targets.Count)" -ForegroundColor White
    Write-Host "" 

    $grandTotal += $targets.Count
    $grandUpdated += $updated
    $grandFailed += $failed
}

Write-Host "=== OVERALL SUMMARY ===" -ForegroundColor Magenta
Write-Host "Total targets across all files: $grandTotal" -ForegroundColor White
Write-Host "Total successfully updated: $grandUpdated" -ForegroundColor Green
Write-Host "Total failed: $grandFailed" -ForegroundColor Red
if ($grandFailed -eq 0) {
    Write-Host "`n🎉 All files updated successfully!" -ForegroundColor Green
} else {
    Write-Host "`n⚠️  Some updates failed. See errors above." -ForegroundColor Yellow
}