#!/bin/bash

# Usage: ./copy_images.sh source.jsonl /path/to/destination/folder

# Check for required arguments
if [ "$#" -ne 2 ]; then
    echo "Usage: $0 source.jsonl /path/to/destination/folder"
    exit 1
fi

# Input JSONL file and destination folder
INPUT_JSONL=$1
DEST_FOLDER=$2

# Check if jq is installed
if ! command -v jq &> /dev/null; then
    echo "jq is not installed. Please install jq to proceed."
    exit 1
fi

# Ensure the destination folder exists
mkdir -p "$DEST_FOLDER"

# Process the JSONL file and copy each image using scp
while IFS= read -r line; do
    # Extract the image path using jq for each line
    image_path=$(echo "$line" | jq -r '.image // empty')

    # Check if image_path is not empty
    if [ -n "$image_path" ]; then
        # Extract the filename from the image path
        filename=$(basename "$image_path")
        
        # Perform the scp command (use `cp` for local copy, replace with `scp` for remote)
        scp "$image_path" "$DEST_FOLDER/$filename"
    else
        echo "No image path found in: $line"
    fi
done < "$INPUT_JSONL"

echo "All images have been copied to $DEST_FOLDER."