#!/usr/bin/env bash
set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
REMOTE_NAME="${1:-origin}"
QUIET_RELEASE="${QUIET_RELEASE:-1}"
RELEASE_LOG="${RELEASE_LOG:-$ROOT_DIR/build/release.log}"

if [[ -n "${SKIP_RELEASE:-}" ]]; then
  echo "release: skipped (SKIP_RELEASE=1)"
  exit 0
fi

should_release=false
release_local_ref=""
release_remote_ref=""
while read -r local_ref local_sha remote_ref remote_sha; do
  [[ -z "${local_ref:-}" ]] && continue
  if [[ "$local_ref" == "refs/heads/master" || "$remote_ref" == "refs/heads/master" ]]; then
    should_release=true
    release_local_ref="$local_ref"
    release_remote_ref="${remote_ref:-refs/heads/master}"
  fi
done

if [[ "$should_release" != true ]]; then
  current_branch="$(git -C "$ROOT_DIR" symbolic-ref --short -q HEAD || true)"
  if [[ "$current_branch" == "master" ]]; then
    should_release=true
    release_local_ref="refs/heads/master"
    release_remote_ref="refs/heads/master"
  fi
fi

if [[ "$should_release" != true ]]; then
  exit 0
fi

if [[ "$QUIET_RELEASE" == "1" ]]; then
  mkdir -p "$(dirname "$RELEASE_LOG")"
  : >"$RELEASE_LOG"
fi

run_logged() {
  if [[ "$QUIET_RELEASE" == "1" ]]; then
    "$@" >>"$RELEASE_LOG" 2>&1
  else
    "$@"
  fi
}

if [[ "$QUIET_RELEASE" == "1" ]]; then
  NEW_VERSION="$("$ROOT_DIR/scripts/bump_version.sh" 2>>"$RELEASE_LOG" | tee -a "$RELEASE_LOG")"
else
  NEW_VERSION="$("$ROOT_DIR/scripts/bump_version.sh")"
fi
run_logged "$ROOT_DIR/scripts/sync_version.sh"

git -C "$ROOT_DIR" add "$ROOT_DIR/version.json" "$ROOT_DIR/iKeyMon.xcodeproj/project.pbxproj"

echo "release: building v${NEW_VERSION}..."
if ! run_logged "$ROOT_DIR/scripts/build_release.sh"; then
  echo "release: failed (log: $RELEASE_LOG)"
  exit 1
fi

git -C "$ROOT_DIR" add "$ROOT_DIR/version.json" "$ROOT_DIR/iKeyMon.xcodeproj/project.pbxproj" "$ROOT_DIR/Sparkle/appcast.xml"

if git -C "$ROOT_DIR" diff --cached --quiet; then
  echo "release: no changes detected; skipping commit"
else
  run_logged git -C "$ROOT_DIR" commit -m "chore: release ${NEW_VERSION}" || {
    echo "release: commit failed (log: $RELEASE_LOG)"
    exit 1
  }
fi

if SKIP_RELEASE=1 git -C "$ROOT_DIR" push --quiet "$REMOTE_NAME" "${release_local_ref:-refs/heads/master}:${release_remote_ref:-refs/heads/master}"; then
  echo "release: success v${NEW_VERSION}"
  exit 1
else
  echo "release: push failed (log: $RELEASE_LOG)"
  exit 1
fi