#!/usr/bin/env bash
#
# Create a directory and cd into it
# Usage: mkcd <dir>

set -euo pipefail

# Set verbosity with VERBOSE=1
VERBOSE="${VERBOSE:-0}"

# Function to print usage information
usage()
{
  echo "Usage: $0 <dir>"
  exit 1
}

# Function to print messages if VERBOSE is enabled
# $1 - message (string)
msg()
{
  [[ "$VERBOSE" -eq 1 ]] && echo "$1"
}

# Function to create a directory and cd into it
# $1 - directory to create and cd into (string)
mkcd()
{
  local dir=$1

  mkdir -p "$dir" && msg "Directory $dir created"

  cd "$dir" || {
    msg "Failed to cd into $dir"
    exit 1
  }
  msg "Changed directory to $dir"
}

# Main function
main()
{
  if [ "$#" -ne 1 ]; then
    usage
  fi

  mkcd "$1"
}

main "$@"