#!/usr/bin/env bash
#
# glab 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
      linux)
        kernel=Linux
        ;;
      Darwin)
        kernel=macOS
        ;;
    esac
    case "$(uname -m)" in
      x86_64)
        machine=x86_64
        ;;
      i686 | i386)
        machine=i386
        ;;
      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_gitlab_release () {
  local repo=$1
  local pattern=$2
  local version=${3:-latest}

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

  download_url=$(
    curl -fL  "https://gitlab.com/api/v4/projects/$repo/releases?order_by=released_at" \
      | sed 's/,/,\n/g' \
      | grep -w 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() {

    local bin=glab
    local archive=glab.tar.gz

    # Fetch archive
    if ! fs.file_exists $PKG_PATH/$archive; then

        local download_url= kernel= machine=
        eval "$(detect_platform)"
        download_url=$(get_gitlab_release 34675721 "${kernel}_${machine}.tar.gz" latest)
        curl -o "$PKG_PATH/$archive" -fL "$download_url"
    fi

    # Extract binary
    local binary=$(tar -tf "$PKG_PATH/glab.tar.gz"  | grep bin/glab)
    local components="${binary//[^\/]}"
    components=${#components}
    tar --extract \
      --file="$PKG_PATH/$archive" \
      --directory "$PKG_PATH" \
      --strip-components=$components \
      $binary
    chmod +x glab

}

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

pkg.link() {
  local bin=glab
  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
# }