# Daily Backup Script for niggers workspace
$ErrorActionPreference = "Continue"

$Workspace = "V:\smalldata\niggers"
$LogFile = "$Workspace\daily_backup.log"

Function Log-Message($msg) {
    $timestamp = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
    "$timestamp - $msg" | Out-File -FilePath $LogFile -Append -Encoding UTF8
    Write-Output "$timestamp - $msg"
}

Log-Message "=== Starting Daily Backup ==="

if (-not (Test-Path $Workspace)) {
    Log-Message "ERROR: Workspace directory $Workspace is not accessible."
    exit 1
}

Set-Location $Workspace

# 1. Regenerate structure manifest & tree summary
Log-Message "Updating folder structure manifest and tree summary..."
try {
    python "$Workspace\generate_manifest.py" 2>&1 | Out-File -FilePath $LogFile -Append -Encoding UTF8
} catch {
    Log-Message "WARNING: generate_manifest.py failed: $_"
}

# 2. Add safe directory
git config --global --add safe.directory * 2>$null

# 3. Stage changes
Log-Message "Staging modified/new files..."
$stagePy = @"
import os, subprocess, tempfile

root = r'V:\smalldata\niggers'
target_exts = {'.py', '.txt', '.json', '.md', '.sh', '.bat', '.ps1', '.csv', '.log'}
excluded_dirs = {'.git', '__pycache__', '.omo'}

all_target = []
for dirpath, dirnames, filenames in os.walk(root):
    dirnames[:] = [d for d in dirnames if d not in excluded_dirs]
    for f in filenames:
        if f == 'daily_backup.log':
            continue
        ext = os.path.splitext(f)[1].lower()
        if ext in target_exts:
            full = os.path.join(dirpath, f)
            rel = os.path.relpath(full, root).replace('\\', '/')
            all_target.append(rel)

with tempfile.NamedTemporaryFile('w', delete=False, encoding='utf-8') as tf:
    tf.write('\n'.join(all_target) + '\n')
    tmp_path = tf.name

try:
    subprocess.run(['git', 'add', f'--pathspec-from-file={tmp_path}'], cwd=root)
finally:
    if os.path.exists(tmp_path):
        os.remove(tmp_path)
"@

python -c $stagePy 2>&1 | Out-File -FilePath $LogFile -Append -Encoding UTF8

# 4. Check if there are changes staged
$status = (git status --porcelain=v1)
if (-not $status) {
    Log-Message "No changes to commit. Backup is up-to-date."
    Log-Message "=== Daily Backup Completed ==="
    exit 0
}

# 5. Commit changes
$commitDate = Get-Date -Format "yyyy-MM-dd HH:mm"
Log-Message "Committing changes..."
git commit -m "Automated daily backup: $commitDate" 2>&1 | Out-File -FilePath $LogFile -Append -Encoding UTF8

# 6. Push to Gitea
Log-Message "Pushing to Gitea..."
git push origin main 2>&1 | Out-File -FilePath $LogFile -Append -Encoding UTF8

if ($LASTEXITCODE -eq 0) {
    Log-Message "SUCCESS: Pushed daily backup to Gitea."
} else {
    Log-Message "ERROR: Failed to push to Gitea (Exit code: $LASTEXITCODE)."
}

Log-Message "=== Daily Backup Completed ==="