#!/bin/bash
# This script recursively creates a README.md file in every directory under the current folder.
# Each README.md lists:
#   - A header with the directory name.
#   - A list of immediate subdirectories (as links).
#   - A list of immediate files (excluding the README.md itself) as links.
#
# Note: This script uses find with the -print0 option to handle directories or filenames with spaces.

# Start from the current directory (or modify this if your school folder is elsewhere)
base_dir="."

# Find every directory recursively.
find "$base_dir" -type d -print0 | while IFS= read -r -d '' dir; do
    # Define the path for the README file.
    readme="$dir/README.md"

    # Write the header into README.md
    echo "# Index for $(basename "$dir")" > "$readme"
    echo "" >> "$readme"

    # List immediate subdirectories.
    # -maxdepth 1 ensures we only list directories directly inside $dir.
    subdirs=$(find "$dir" -mindepth 1 -maxdepth 1 -type d -print0)
    if [ -n "$subdirs" ]; then
        echo "## Subdirectories" >> "$readme"
        # Process each subdirectory.
        find "$dir" -mindepth 1 -maxdepth 1 -type d -print0 | while IFS= read -r -d '' sub; do
            sub_name=$(basename "$sub")
            # Create an Obsidian link for the subdirectory.
            echo "- [[$sub_name]]" >> "$readme"
        done
        echo "" >> "$readme"
    fi

    # List immediate files (exclude the README.md we are creating).
    files=$(find "$dir" -mindepth 1 -maxdepth 1 -type f ! -iname "README.md" -print0)
    if [ -n "$files" ]; then
        echo "## Files" >> "$readme"
        find "$dir" -mindepth 1 -maxdepth 1 -type f ! -iname "README.md" -print0 | while IFS= read -r -d '' file; do
            file_name=$(basename "$file")
            # Create an Obsidian link for the file.
            echo "- [[$file_name]]" >> "$readme"
        done
        echo "" >> "$readme"
    fi
done