#!/usr/bin/env bash
set -euo pipefail

if [[ -t 2 ]]; then
  _C_RESET='\033[0m'
  _C_RED='\033[0;31m'
  _C_GREEN='\033[0;32m'
  _C_YELLOW='\033[0;33m'
  _C_BLUE='\033[0;34m'
else
  _C_RESET='' _C_RED='' _C_GREEN='' _C_YELLOW='' _C_BLUE=''
fi

log_info() {
  printf '%b[INFO]%b %s\n' "$_C_BLUE" "$_C_RESET" "$*" >&2
}

log_warn() {
  printf '%b[WARN]%b %s\n' "$_C_YELLOW" "$_C_RESET" "$*" >&2
}

log_error() {
  printf '%b[ERROR]%b %s\n' "$_C_RED" "$_C_RESET" "$*" >&2
}

log_success() {
  printf '%b[OK]%b %s\n' "$_C_GREEN" "$_C_RESET" "$*" >&2
}

require_cmd() {
  local cmd
  for cmd in "$@"; do
    if ! command -v "$cmd" >/dev/null 2>&1; then
      log_error "Required command not found: $cmd"
      return 1
    fi
  done
}

confirm_action() {
  local prompt="${1:-Continue?}"
  local auto_yes="${2:-false}"

  if [[ "$auto_yes" == "true" ]]; then
    return 0
  fi

  printf '%s [y/N] ' "$prompt"
  read -r reply
  [[ "$reply" =~ ^[Yy]$ ]]
}