log.bash

#!/usr/bin/env bash
# Copyright (c) 2024 Greg Rynkowski. All rights reserved.
# License: MIT License

# Path Initialization
if [ -n "${SHELL_GR_DIR:-}" ]; then
  _SHELL_GR_DIR="${SHELL_GR_DIR}"
elif [ -z "${_SHELL_GR_DIR:-}" ]; then
  _SCRIPT_PATH_1="${BASH_SOURCE[0]:-$0}"
  _SCRIPT_PATH="$([[ ! "${_SCRIPT_PATH_1}" =~ /bash$ ]] && readlink -f "${_SCRIPT_PATH_1}" || exit 1)"
  _SCRIPT_DIR="$(cd "$(dirname "${_SCRIPT_PATH}")" && pwd -P || exit 1)"
  _ROOT_DIR="$(cd "${_SCRIPT_DIR}/.." && pwd -P || exit 1)"
  _SHELL_GR_DIR="${_ROOT_DIR}"
fi
# Library Sourcing
source "${_SHELL_GR_DIR}/lib/color.bash" # NC, RED, YELLOW, is_color
source "${_SHELL_GR_DIR}/lib/debug.bash" # is_debug

# Expected env vars for log functions:
# COLOR - to enable/disable colors
# DEBUG - to enable/disable debug logs
# PREFIX - log prefix

__LOG_PREFIX="${LOG_PREFIX:-}"

# shellcheck disable=SC2059
log_error_f() {
  if is_color; then
    printf "${RED}${__LOG_PREFIX}${1}${NC}" "${@:2}"
  else
    printf "$@"
  fi
}

log_error() {
  log_error_f "%s\n" "$@"
}

# shellcheck disable=SC2059
log_warning_f() {
  if is_color; then
    printf "${YELLOW}${__LOG_PREFIX}${1}${NC}" "${@:2}"
  else
    printf "$@"
  fi
}

log_warning() {
  log_warning_f "%s\n" "$@"
}

log_info_f() {
  # shellcheck disable=SC2059
  printf "${__LOG_PREFIX}${1}" "${@:2}"
}

log_info() {
  log_info_f "${__LOG_PREFIX}%s\n" "$@"
}

log_debug_f() {
  if is_debug; then
    # shellcheck disable=SC2059
    printf "${__LOG_PREFIX}${1}" "${@:2}"
  fi
}

log_debug() {
  log_debug_f "%s\n" "$@"
}