#!/bin/bash

# Check if the target_path is provided
if [ -z "$1" ]; then
  echo "Error: target_path is not provided."
  exit 1
fi

# Check if the user requested help
if [ "$1" == "--help" ]; then
  echo "Usage: $0 -t target_path"
  echo "  -t target_path  The path to extract the .tar.gz files to."
  exit 0
fi

# Set the target path
target_path=$1

# Loop through all .tar.gz files in the current directory
for file in *.tar.gz; do
  # Check if the file name matches the first pattern
  if [[ $file =~ ^training_dataset_division_.*\.tar\.gz$ ]]; then
    # Extract the file to the target path
    echo "extract $file into $target_path"
    tar -xf "$file" -C "$target_path"
  # Check if the file name matches the second pattern
  elif [[ $file =~ ^training_dataset_([-a-zA-Z0-9.]+)_division_.*\.tar\.gz$ ]]; then
    # Extract the file to a subdirectory named after the first capture group
    target_discipline_path=$target_path/${BASH_REMATCH[1]}
    mkdir -p $target_discipline_path
    echo "extract $file into $target_discipline_path"
    tar -xf "$file" -C $target_discipline_path
  else
    # Handle files that don't match either pattern
    echo "Skipping file: $file"
  fi
done

# Print a message to indicate that the extraction is complete
echo "All .tar.gz files have been extracted."