#!/bin/bash

if ! type "include" >/dev/null 2>&1; then
  include() {
    . "$(cd "$(dirname "$1")" && pwd)/${2}"
  }
fi

include "${BASH_SOURCE[0]}" ./pragma_once.bash
if ! pragma_once ${BASH_SOURCE[0]}; then return 0; fi

include "${BASH_SOURCE[0]}" ./attach/export.bash
include "${BASH_SOURCE[0]}" ./patch/export.bash
include "${BASH_SOURCE[0]}" ./libc/export.bash
include "${BASH_SOURCE[0]}" ./base/export.bash

install_cmake() {
  local ver="$1"
  local install_dir="${_ae_root_}/opt/cmake"

  sudo mkdir -p "${install_dir}"

  if [[ -z "$ver" ]]; then
    ver=$(git ls-remote --tags https://github.com/Kitware/CMake.git |
      awk '{print $2}' |
      grep -v '{}' |
      sed 's#refs/tags/##' |
      grep -E '^v[0-9]+\.[0-9]+\.[0-9]+$' |
      sort -V |
      tail -n 1)
  fi

  if [[ -z "$ver" ]]; then
    echo "[cmake] failed to resolve stable version" >&2
    return 1
  fi

  local file="cmake-${ver#v}-linux-x86_64.sh"

  wget -q "https://github.com/Kitware/CMake/releases/download/${ver}/${file}" \
    -O "/tmp/${file}"

  if [[ $? -ne 0 ]]; then
    echo "[cmake] download failed ${ver}" >&2
    return 1
  fi

  chmod +x "/tmp/${file}"
  "/tmp/${file}" --skip-license --prefix="${install_dir}"

  export PATH="${install_dir}/bin:$PATH"

  echo "[cmake installed] version=${ver}"
}

check_cmake() {
  if ! command -v cmake >/dev/null 2>&1; then
    echo "[cmake] not installed"
    return 1
  fi

  cmake --version | head -n1
}

get_cmake_version() {
  if ! command -v cmake >/dev/null 2>&1; then
    echo "none"
    return
  fi

  cmake --version | head -n1 | awk '{print $3}'
}

cmake_require() {
  local required="$1"
  local cur

  cur=$(get_cmake_version)

  if [[ "$cur" == "none" ]]; then
    return 1
  fi

  dpkg --compare-versions "$cur" ge "$required"
}