#!/bin/sh
# Echofiles+ for Linux, in one command:
#
#   curl -fsSL https://echofiles.app/install.sh | sh
#
# Downloads the right file for this computer, checks it, adds GTK 4 and
# libadwaita if they are missing (that step asks for your password), installs
# Echofiles+ for you in ~/.local, and opens it.
set -e

# all in one function, so the whole script has arrived before any of it runs
main() {
  VERSION=1.0.3
  BASE=${EFP_DOWNLOADS:-https://echofiles.app/downloads}

  case $(uname -m) in
    x86_64|amd64) ARCH=x86_64 ;;
    aarch64|arm64) ARCH=aarch64 ;;
    *) echo "Echofiles+ for Linux runs on 64-bit PCs and 64-bit ARM computers, not $(uname -m)." >&2; exit 1 ;;
  esac

  NAME=echofilesplus-$VERSION-$ARCH
  TMP=$(mktemp -d)
  trap 'rm -rf "$TMP"' EXIT

  fetch() {
    if command -v curl >/dev/null 2>&1; then curl -fsSL "$1" -o "$2"
    else wget -qO "$2" "$1"
    fi
  }

  echo "Downloading Echofiles+ $VERSION ($ARCH)..."
  fetch "$BASE/$NAME.tar.gz" "$TMP/$NAME.tar.gz"
  fetch "$BASE/$NAME.tar.gz.sha256" "$TMP/$NAME.tar.gz.sha256"
  (cd "$TMP" && sha256sum -c "$NAME.tar.gz.sha256" >/dev/null) || { echo "The download is damaged. Please try again." >&2; exit 1; }
  tar xzf "$TMP/$NAME.tar.gz" -C "$TMP"
  # stdin is this script when piped from curl, so keep it away from the installer;
  # sudo asks for the password on the terminal itself
  "$TMP/$NAME/install.sh" </dev/null
}

main "$@"