#!/bin/bash

# Read JSON input from stdin
file_contents=$(cat LEAFheaders.json)

echo $file_contents
# Extract headers from JSON input
headers=$(echo $file_contents | jq -c '.headerTemplates[]')

# Loop over headers and build insert statement
insert_stmt="INSERT INTO LEAFHeaders (Header, HeaderRegex, ValueRegex, Nullable) VALUES "
while read -r header; do
  header_name=$(echo "$header" | jq -r '.Header')
  header_regex=$(echo "$header" | jq -r '.HeaderRegex')
  value_regex=$(echo "$header" | jq -r '.ValueRegex')
  nullable=$(echo "$header" | jq -r '.Nullable')

  # Escape single quotes in header name and regex strings
  header_name=${header_name//\'/\'\'}
  header_regex=${header_regex//\'/\'\'}
  value_regex=${value_regex//\'/\'\'}

  # Build insert statement for header
  insert_stmt+="('$header_name', '$header_regex', '$value_regex', $nullable),"
done <<< "$headers"

# Remove trailing comma and print insert statement as CSV
echo "${insert_stmt%,};" | tr -d '\n'