#!/bin/bash

# Ask user for the JSON file location
echo "Enter the path to summaries.json:"
read JSON_FILE

# Check if file exists
if [ ! -f "$JSON_FILE" ]; then
    echo "File not found!"
    exit 1
fi

# Ask user for the output file location
echo "Enter the path where the output should be written:"
read OUTPUT_FILE

TMP_JSON="$JSON_FILE.tmp"
cp "$JSON_FILE" "$TMP_JSON"

# Process each report and update in TMP_JSON
jq --raw-output '.[] | select(.room? and .room.room_id) | .room.room_id' "$JSON_FILE" | while read -r room_id; do
    # Double hash the room_id
    HASHED_ID=$(echo -n "$room_id" | sha256sum -b | cut -d ' ' -f1 | xxd -r -p | sha256sum | cut -d ' ' -f1)
    
    # Update hashed id in TMP_JSON inside 'room'
    jq --arg room_id "$room_id" --arg hashed_id "$HASHED_ID" 'map(if .room? and .room.room_id == $room_id then .room += {"room_id_hash": $hashed_id} else . end)' "$TMP_JSON" > "$TMP_JSON.tmp" && mv "$TMP_JSON.tmp" "$TMP_JSON"
done

# For compact output
jq -c '.' "$TMP_JSON" > "$OUTPUT_FILE"

rm "$TMP_JSON"

echo "Processing complete. Modified JSON saved to $OUTPUT_FILE. The summaries.json file now has double hashes of the room_id in every report!"