# Sriphat Data Platform - Daily Backup Script (Windows)
# ตั้งเวลารันใน Task Scheduler ทุกวันเวลา 02:00

$ProjectPath = "E:\git3\sriphat-dataplatform"
$BackupPath = "E:\backups\sriphat-data"
$Date = Get-Date -Format "yyyyMMdd-HHmmss"
$BackupFolder = "$BackupPath\$Date"

Write-Host "=== Sriphat Data Platform Backup Started ===" -ForegroundColor Green
Write-Host "Date: $Date"
Write-Host "Backup Location: $BackupFolder"
Write-Host ""

# สร้างโฟลเดอร์ backup
New-Item -ItemType Directory -Path $BackupFolder -Force | Out-Null

# Backup PostgreSQL
Write-Host "[1/5] Backing up PostgreSQL database..." -ForegroundColor Yellow
docker exec postgres pg_dumpall -U postgres | Out-File "$BackupFolder\postgres.sql" -Encoding UTF8
if ($LASTEXITCODE -eq 0) {
    Write-Host "✓ PostgreSQL backup completed" -ForegroundColor Green
} else {
    Write-Host "✗ PostgreSQL backup failed" -ForegroundColor Red
}

# Backup 01-infra data
Write-Host "[2/5] Backing up Infrastructure data..." -ForegroundColor Yellow
robocopy "$ProjectPath\01-infra\data" "$BackupFolder\01-infra-data" /MIR /R:3 /W:5 /NFL /NDL /NJH /NJS | Out-Null
robocopy "$ProjectPath\01-infra\letsencrypt" "$BackupFolder\01-infra-letsencrypt" /MIR /R:3 /W:5 /NFL /NDL /NJH /NJS | Out-Null
Write-Host "✓ Infrastructure backup completed" -ForegroundColor Green

# Backup 04-ingestion data
Write-Host "[3/5] Backing up Airbyte data..." -ForegroundColor Yellow
robocopy "$ProjectPath\04-ingestion\data" "$BackupFolder\04-ingestion-data" /MIR /R:3 /W:5 /NFL /NDL /NJH /NJS | Out-Null
Write-Host "✓ Airbyte backup completed" -ForegroundColor Green

# Backup 06-analytics data
Write-Host "[4/5] Backing up Superset data..." -ForegroundColor Yellow
robocopy "$ProjectPath\06-analytics\data" "$BackupFolder\06-analytics-data" /MIR /R:3 /W:5 /NFL /NDL /NJH /NJS | Out-Null
Write-Host "✓ Superset backup completed" -ForegroundColor Green

# Backup config files
Write-Host "[5/5] Backing up configuration files..." -ForegroundColor Yellow
Copy-Item "$ProjectPath\.env.global" "$BackupFolder\.env.global" -Force
Copy-Item "$ProjectPath\06-analytics\superset_config.py" "$BackupFolder\superset_config.py" -Force
Write-Host "✓ Configuration backup completed" -ForegroundColor Green

# Compress backup
Write-Host ""
Write-Host "Compressing backup..." -ForegroundColor Yellow
Compress-Archive -Path $BackupFolder -DestinationPath "$BackupPath\backup-$Date.zip" -Force
$BackupSize = (Get-Item "$BackupPath\backup-$Date.zip").Length / 1MB
Write-Host "✓ Backup compressed: backup-$Date.zip ($([math]::Round($BackupSize, 2)) MB)" -ForegroundColor Green

# ลบโฟลเดอร์ที่ยังไม่ compress
Remove-Item -Path $BackupFolder -Recurse -Force

# ลบ backup เก่า (เก็บไว้ 30 วัน)
Write-Host ""
Write-Host "Cleaning old backups (keeping last 30 days)..." -ForegroundColor Yellow
$OldBackups = Get-ChildItem $BackupPath -Filter "backup-*.zip" | Where-Object {$_.LastWriteTime -lt (Get-Date).AddDays(-30)}
if ($OldBackups) {
    $OldBackups | ForEach-Object {
        Write-Host "  Removing: $($_.Name)" -ForegroundColor Gray
        Remove-Item $_.FullName -Force
    }
    Write-Host "✓ Removed $($OldBackups.Count) old backup(s)" -ForegroundColor Green
} else {
    Write-Host "✓ No old backups to remove" -ForegroundColor Green
}

# Summary
Write-Host ""
Write-Host "=== Backup Completed Successfully ===" -ForegroundColor Green
Write-Host "Backup file: backup-$Date.zip"
Write-Host "Size: $([math]::Round($BackupSize, 2)) MB"
Write-Host "Location: $BackupPath"
Write-Host ""

# Log to file
$LogFile = "$BackupPath\backup.log"
"$Date - Backup completed successfully - Size: $([math]::Round($BackupSize, 2)) MB" | Out-File $LogFile -Append