param(
    [string]$compressedFile
)

# Generate file names
$uncompressedFile = $compressedFile -replace '\.sql\.gz$', '_uncompressed.sql'
$modifiedFile = $compressedFile -replace '\.sql\.gz$', '_modified.sql'
$recompressedFile = $compressedFile -replace '\.gz$', '_modified.sql.gz'

# Decompress .sql.gz file using 7-Zip
& "C:\Program Files\7-Zip\7z.exe" x -so $compressedFile | Set-Content -Path $uncompressedFile -Encoding UTF8

# Replace text using PowerShell
(Get-Content $uncompressedFile) -replace "utf8mb4_0900_ai_ci", "utf8mb4_general_ci" | Set-Content $modifiedFile -Encoding UTF8

# Compress .sql file back to .sql.gz using 7-Zip
& "C:\Program Files\7-Zip\7z.exe" a -tgzip $recompressedFile $modifiedFile

# Cleanup: Optionally, you can remove the uncompressed and modified files if you don't need them anymore
#Remove-Item $uncompressedFile
#Remove-Item $modifiedFile