#!/usr/bin/env bash
set -e

REPO_ROOT=$(git rev-parse --show-toplevel 2>/dev/null || echo "$PWD")
RELEASE=$(cat "$REPO_ROOT/tests/support/heartwood-release")
HTTPD_RELEASE=$(cat "$REPO_ROOT/tests/support/radicle-httpd-release")
ARTIFACT_RELEASE=$(cat "$REPO_ROOT/tests/support/radicle-artifact-release")
BINARY_PATH=$REPO_ROOT/tests/tmp/bin
OS=$(uname)

install() {
  local BINARY=""

  if test -d "$BINARY_PATH/$1/$2"; then
    echo ✅ "Folder $BINARY_PATH/$1/$2 exists already skipping download."
  else
    mkdir -p "$BINARY_PATH/$1/$2"
    case "$OS" in
    Darwin)
      ARCH="aarch64-apple-darwin"
      ;;
    Linux)
      ARCH="x86_64-unknown-linux-musl"
      ;;
    *)
      echo "There are no precompiled binaries for your OS: $OS, compile $1 manually and make sure it's in PATH." && exit 1
      ;;
    esac
    case "$1" in
    heartwood)
      FETCH_URL="https://files.radicle.dev/releases/$2/radicle-$ARCH.tar.xz"
      FILENAME="radicle-$2-$ARCH"
      ;;
    httpd)
      FETCH_URL="https://files.radicle.dev/releases/radicle-httpd/$2/radicle-httpd-$ARCH.tar.xz"
      FILENAME="radicle-httpd-$2-$ARCH"
      ;;
    artifact)
      # radicle-artifact publishes bare executables instead of archives.
      FETCH_URL="https://files.radicle.dev/releases/radicle-artifact/$2/rad-artifact_$2_$ARCH"
      BINARY="rad-artifact"
      ;;
    *)
      echo "No precompiled binary found with the name $1." && exit 1
      ;;
    esac

    echo Downloading "$1" v"$2" from "$FETCH_URL into /tests/tmp/bin/$1/$2"
    if test -n "$BINARY"; then
      curl --fail --silent --location --output "$BINARY_PATH/$1/$2/$BINARY" "$FETCH_URL" || (echo "Download failed" && exit 1)
      chmod +x "$BINARY_PATH/$1/$2/$BINARY"
    else
      curl --fail --silent --location "$FETCH_URL" | tar -xJ --strip-components=2 -C "$BINARY_PATH/$1/$2" "$FILENAME/bin/" || (echo "Download failed" && exit 1)
    fi
  fi
}

show_usage() {
  echo
  echo "Installs binaries required for running e2e test suite."
  echo
  echo "USAGE:"
  echo "  install-binaries [-h]"
  echo
  echo "OPTIONS:"
  echo "  -h --help              Print this Help."
  echo
}

while [ $# -ne 0 ]; do
  case "$1" in
  --help | -h)
    show_usage
    exit
    ;;
  esac
done

install "heartwood" "$RELEASE"
install "httpd" "$HTTPD_RELEASE"
install "artifact" "$ARTIFACT_RELEASE"

echo