#!/bin/bash

INPUT_FILE="$1"

if [[ ! -f "$INPUT_FILE" ]]; then
    echo "Error: Input file does not exist."
    exit 1
fi

while IFS=':' read -r file_path line_err status desc data; do
    # Trim whitespace from variables
    file_path="$(echo "$file_path" | xargs)"
    line_err="$(echo "$line_err" | xargs)"
    status="$(echo "$status" | xargs)"
    desc="$(echo "$desc" | xargs)"
    data="$(echo "$data" | xargs | tr -d "'")"  # Remove quotes from data

    if [[ -f "$file_path" ]]; then
        if [[ "$desc" == "undefined label" ]]; then
            fixed_data="$(echo "$data" | tr '\\/_' '-')"
            sed -i "s@$data@$fixed_data@g" "$file_path"
        elif [[ "$desc" == *"toctree contains reference to nonexisting document"* ]]; then
            fixed_data="$(echo "$data" | tr '\\/_' '-')"
            sed -i "s@$data@$fixed_data@g" "$file_path"
        fi
    fi

done < "$INPUT_FILE"