#!/bin/bash

OUTPUT_FILE="../src/final/references.bib"
echo "Generating $OUTPUT_FILE..."

# Clear the file if it exists
> "$OUTPUT_FILE"

for file in ../papers/*.pdf; do
    # Extract the arXiv ID (e.g., 2401.05566)
    id=$(basename "$file" | grep -oE '[0-9]{4}\.[0-9]{4,5}')

    if [ -n "$id" ]; then
        echo "Fetching BibTeX for ID: $id"

        # Fetch the BibTeX entry from arXiv's export service
        # -L follows redirects
        # -s is silent
        curl -L -s "https://arxiv.org/bibtex/$id" >> "$OUTPUT_FILE"

        # Add a newline between entries
        echo -e "\n" >> "$OUTPUT_FILE"
    else
        echo "Skipping non-arXiv file: $(basename "$file")"
    fi
done

echo "Done! Created $OUTPUT_FILE with $(grep -c "@article" "$OUTPUT_FILE") entries."