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

log_info() {
  printf '[hy2xs-build] %s\n' "$*"
}

log_step() {
  printf '\n[hy2xs-build] ==> %s\n' "$*"
}

fail() {
  printf '[hy2xs-build] ERROR: %s\n' "$*" >&2
  exit 1
}

require_tool() {
  local tool="$1"
  command -v "$tool" >/dev/null 2>&1 || fail "required tool not found: $tool"
}

version_ge() {
  [ "$(printf '%s\n%s\n' "$2" "$1" | sort -V | head -n 1)" = "$2" ]
}

copy_dir_contents() {
  local src="$1"
  local dst="$2"

  mkdir -p "$dst"
  if [ -d "$src" ]; then
    cp -a "$src"/. "$dst"/
  else
    fail "directory not found: $src"
  fi
}

download_file() {
  local url="$1"
  local dst="$2"

  if command -v curl >/dev/null 2>&1; then
    curl -fsSL "$url" -o "$dst"
  elif command -v wget >/dev/null 2>&1; then
    wget -qO "$dst" "$url"
  else
    fail "curl or wget is required to download $url"
  fi
}