#!/usr/bin/env bash

set -euo pipefail

if [ -f "./.env" ]; then
  set -a
  source .env
  set +a
else
  echo "No .env file found."
  exit 1
fi

if [ "$#" -gt 0 ]; then
  cmd=$1
  shift
else
  cmd="help"
fi

ssh_run_cmd() {
  ssh -i "$SSH_KEY" -t "$SSH_HOST" "$@"
}

copy_and_run() {
  file=$1
  scp -i "$SSH_KEY" "$file" "$SSH_HOST":"$SSH_DEST_DIR"
  ssh_run_cmd "${SSH_DEST_DIR:-.}/sojourn"
}

{
  set -euo pipefail
  case "$cmd" in
    "clean") cargo clean;;
    "build") cargo build --target arm-unknown-linux-gnueabihf;;
    "release") cargo build --release --target arm-unknown-linux-gnueabihf;;
    "debug") ./cmd build && copy_and_run ./target/arm-unknown-linux-gnueabihf/debug/sojourn;;
    "run") ./cmd release && copy_and_run ./target/arm-unknown-linux-gnueabihf/release/sojourn;;
    "remote-clean")
      ssh_run_cmd killall sojourn
      ssh_run_cmd rm -f "${SSH_DEST_DIR:-.}/sojourn"
      ;;
    "help")
      echo "Usage: ./cmd [task]"
      echo "Tasks: clean, build, release, debug, run, remote-clean, help"
      ;;
    *)
      echo "Unrecognized task '$cmd'."
      exit 1
      ;;
  esac
} || {
  code=$?
  echo "An error occurred while executing the command ($code)."
  exit $code
}