#!/usr/bin/env bash
# publish-release.sh — put a built release on both mirrors.
#
#   tools/publish-release.sh            # build, then publish
#   tools/publish-release.sh --dry-run  # say what would happen
#
# A Silent Mode release is not shipped until it exists in both places:
#
#   silentmode.st   over scp, served by nginx on the VPS
#   silentmode.bch  on Sia, reached through any BCNR resolver
#
# Publishing to only one is the recurring mistake this script exists to
# prevent. A release on silentmode.st alone is a release that disappears when
# the VPS does, which rather undercuts the argument the project is making.

set -euo pipefail

here="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$here"

SSH_HOST="${SIRIUS_SSH_HOST:-silentmode}"
WEB_ROOT="${SIRIUS_WEB_ROOT:-/opt/silent-mode/site/sirius-press}"
S3_ENDPOINT="${SIRIUS_S3_ENDPOINT:-https://s3.silentmode.st:8600}"
S3_PREFIX="${SIRIUS_S3_PREFIX:-s3://bns/silentmode/sirius-press}"
AWS_PROFILE_NAME="${SIRIUS_AWS_PROFILE:-sia-storage}"
DRY=0

for arg in "$@"; do
  case "$arg" in
    --dry-run) DRY=1 ;;
    *) echo "unknown option: $arg" >&2; exit 2 ;;
  esac
done

say()  { printf '\033[1m→\033[0m %s\n' "$*"; }
warn() { printf '\033[33mwarning:\033[0m %s\n' "$*" >&2; }
die()  { printf '\033[31merror:\033[0m %s\n' "$*" >&2; exit 1; }
run()  { if [ "$DRY" -eq 1 ]; then printf '   would run: %s\n' "$*"; else "$@"; fi; }

VERSION="$(grep -m1 "^ \* Version:" plugins/sirius-press-core/sirius-press-core.php | awk '{print $3}')"
[ -n "$VERSION" ] || die "could not read the version out of sirius-press-core.php"

ARCHIVE="dist/sirius-press-${VERSION}.zip"

# ------------------------------------------------------------------- build

if [ ! -f "$ARCHIVE" ]; then
  say "building $VERSION"
  [ "$DRY" -eq 1 ] && { echo "   would run: tools/build.sh --zip"; } || tools/build.sh --zip
fi
[ "$DRY" -eq 1 ] || [ -f "$ARCHIVE" ] || die "$ARCHIVE was not produced"

if [ -f "$ARCHIVE" ]; then
  SHA="$(cat "${ARCHIVE}.sha256" 2>/dev/null || sha256sum "$ARCHIVE" | cut -d' ' -f1)"
  say "$(basename "$ARCHIVE") — $(du -h "$ARCHIVE" | cut -f1), sha256 ${SHA}"
else
  SHA="(not built)"
fi

# ---------------------------------------------------------------- manifest

MANIFEST="dist/releases.json"
say "writing $(basename "$MANIFEST")"
if [ "$DRY" -eq 0 ]; then
  cat > "$MANIFEST" <<EOF
{
  "product": "sirius-press",
  "latest": "${VERSION}",
  "updated": "$(date -u +%Y-%m-%dT%H:%M:%SZ)",
  "releases": [
    {
      "version": "${VERSION}",
      "zip": "sirius-press-${VERSION}.zip",
      "sha256": "${SHA}",
      "wordpress": "$(grep -m1 '^WP_VERSION=' tools/wordpress.lock | cut -d= -f2)",
      "install": "https://silentmode.st/sirius-press/install.sh"
    }
  ]
}
EOF
fi

# --------------------------------------------------------- mirror 1: the VPS

say "publishing to silentmode.st"
command -v ssh >/dev/null || die "ssh is required"
run ssh "$SSH_HOST" "mkdir -p ${WEB_ROOT}"
run scp "$ARCHIVE" "${SSH_HOST}:${WEB_ROOT}/"
run scp "${ARCHIVE}.sha256" "${SSH_HOST}:${WEB_ROOT}/"
run scp "$MANIFEST" "${SSH_HOST}:${WEB_ROOT}/releases.json"
run scp install.sh "${SSH_HOST}:${WEB_ROOT}/install.sh"

# --------------------------------------------------------- mirror 2: Sia

say "publishing to silentmode.bch"
if ! command -v aws >/dev/null; then
  warn "the aws CLI is not installed, so the Sia mirror was skipped.
  This release is NOT shipped until it is on both. Install awscli and run:
    aws --profile ${AWS_PROFILE_NAME} --endpoint-url ${S3_ENDPOINT} s3 cp ${ARCHIVE} ${S3_PREFIX}/"
else
  run aws --profile "$AWS_PROFILE_NAME" --endpoint-url "$S3_ENDPOINT" \
    s3 cp "$ARCHIVE" "${S3_PREFIX}/" --only-show-errors
  run aws --profile "$AWS_PROFILE_NAME" --endpoint-url "$S3_ENDPOINT" \
    s3 cp "${ARCHIVE}.sha256" "${S3_PREFIX}/" --only-show-errors
  run aws --profile "$AWS_PROFILE_NAME" --endpoint-url "$S3_ENDPOINT" \
    s3 cp "$MANIFEST" "${S3_PREFIX}/releases.json" --only-show-errors
  run aws --profile "$AWS_PROFILE_NAME" --endpoint-url "$S3_ENDPOINT" \
    s3 cp install.sh "${S3_PREFIX}/install.sh" --only-show-errors
fi

# ------------------------------------------------------------------ verify

if [ "$DRY" -eq 0 ]; then
  say "checking both mirrors actually have it"
  st_code="$(curl -fsS -o /dev/null -w '%{http_code}' --max-time 20 \
    "https://silentmode.st/sirius-press/$(basename "$ARCHIVE")" 2>/dev/null || echo 000)"
  [ "$st_code" = "200" ] \
    && echo "   ok      silentmode.st" \
    || warn "silentmode.st returned ${st_code} for the archive"

  if command -v aws >/dev/null; then
    aws --profile "$AWS_PROFILE_NAME" --endpoint-url "$S3_ENDPOINT" \
      s3 ls "${S3_PREFIX}/$(basename "$ARCHIVE")" >/dev/null 2>&1 \
      && echo "   ok      silentmode.bch" \
      || warn "the archive is not listed on the Sia mirror"
  fi
fi

cat <<EOF

Sirius Press ${VERSION} published.

  https://silentmode.st/sirius-press/
  silentmode.bch/sirius-press/

Still to do by hand:
  - tag the forge repo:  git tag -a v${VERSION} -m "Sirius Press ${VERSION}"
  - attach $(basename "$ARCHIVE") to the release on
    https://code.silentmode.st/silentmode/sirius-press/releases

EOF