#!/usr/bin/env bash
#
# direnv ellipsis package


ELLIPSIS_SHELL_BIN="$HOME/.local/bin"
ELLIPSIS_SHELL_HOME="$HOME/.local/shell"

detect_platform() {

    local kernel= machine=
  
    kernel=$(uname -s | tr "[:upper:]" "[:lower:]")
    case "${kernel}" in
      Darwin)
        kernel=macOS
        ;;
    esac
    case "$(uname -m)" in
      x86_64)
        machine=amd64
        ;;
      i686 | i386)
        machine=386
        ;;
      aarch64 | arm64)
        machine=arm64
        ;;
      *)
        >&2 echo "Machine $(uname -m) not supported by the installer.\n" \
          "Go to https://direnv for alternate installation methods."
        return 1
        ;;
    esac
  
    echo "machine='$machine'; kernel='$kernel';"
}

get_github_release () {
  local repo=$1
  local pattern=$2
  local version=${3-}

  if [[ -n "${version:-}" ]] && [[ "$version" != 'latest' ]]; then
    gh_url_suffix="tags/${version}"
  else
    gh_url_suffix="latest"
  fi

  download_url=$(
    curl -fL "https://api.github.com/repos/$repo/releases/$gh_url_suffix" \
    | grep browser_download_url \
    | cut -d '"' -f 4 \
    | grep "$pattern"
  )

  if [[ "$version" == 'latest' ]]; then
    echo "$download_url" | head -n 1
  else
    echo "$download_url" | grep "$version" | head -n 1
  fi
}


# The following hooks can be defined to customize behavior of your package:
pkg.install() {
set -x

    local bin=direnv

    # Fetch archive
    if ! fs.file_exists $PKG_PATH/$bin; then
        local download_url= kernel= machine=
        eval "$(detect_platform)"
        download_url=$(get_github_release direnv/direnv "direnv.$kernel-$machine" latest)
        curl -o "$PKG_PATH/$bin" -fL "$download_url"
    fi
    chmod +x "$bin"

    set +x
}

pkg.uninstall() {
  local bin=direnv
  if fs.file_exists $PKG_PATH/$bin; then
    rm $PKG_PATH/$bin
  fi
}

pkg.link() {
  local bin=direnv
  if ! fs.file_exists $PKG_PATH/$bin; then
    pkg.install
  fi
  fs.link_rfile $bin $ELLIPSIS_SHELL_BIN/$bin
}

# pkg.push() {
#     git.push
# }

# pkg.pull() {
#     git.pull
# }

# pkg.installed() {
#     git.status
# }
#
# pkg.status() {
#     git.diffstat
# }