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

SRC_DIR="shine-UI"
REMOTE_HOST="${REMOTE_HOST:-player@93.170.12.154}"
REMOTE_UI_DIR="${REMOTE_UI_DIR:-/home/player/SHiNE/shine-ui}"
EXPECTED_CADDY_UI_ROOT="${EXPECTED_CADDY_UI_ROOT:-/home/player/SHiNE/shine-ui}"
ALLOW_CADDY_MISMATCH="${ALLOW_CADDY_MISMATCH:-0}"
BUILD_VERSION="$(date -u +%Y%m%d%H%M%S)"
VERSION_FILE="VERSION.properties"
export BUILD_VERSION
TMP_DIR="$(mktemp -d)"

if [[ ! -f "$VERSION_FILE" ]]; then
  echo "ERROR: version file not found: $VERSION_FILE" >&2
  exit 1
fi

CLIENT_VERSION="$(sed -n "s/^client\\.version[[:space:]]*=[[:space:]]*//p" "$VERSION_FILE" | head -n 1 | tr -d '\r' | xargs)"
if [[ -z "$CLIENT_VERSION" ]]; then
  echo "ERROR: client.version is empty in $VERSION_FILE" >&2
  exit 1
fi
export CLIENT_VERSION

TARGET_URL="https://shineup.me"
REMOTE_DIR="${REMOTE_UI_DIR}"

cleanup() {
  rm -rf "$TMP_DIR"
}
trap cleanup EXIT

if [[ ! -d "$SRC_DIR" ]]; then
  echo "ERROR: source directory not found: $SRC_DIR" >&2
  exit 1
fi

echo "==> Preparing staged UI copy with build version: $BUILD_VERSION"
echo "==> Client version from $VERSION_FILE: $CLIENT_VERSION"
echo "==> Deploy target: $TARGET_URL ($REMOTE_DIR)"
rsync -a "$SRC_DIR"/ "$TMP_DIR"/

INDEX_FILE="$TMP_DIR/index.html"
if [[ ! -f "$INDEX_FILE" ]]; then
  echo "ERROR: index.html not found in staged UI: $INDEX_FILE" >&2
  exit 1
fi

perl -0pi -e 's/window\.__SHINE_BUILD_HASH__\s*=\s*'\''[^'\'']*'\'';/window.__SHINE_BUILD_HASH__ = '\''$ENV{BUILD_VERSION}'\'';/' "$INDEX_FILE"
perl -0pi -e 's/window\.__SHINE_CLIENT_VERSION__\s*=\s*'\''[^'\'']*'\'';/window.__SHINE_CLIENT_VERSION__ = '\''$ENV{CLIENT_VERSION}'\'';/' "$INDEX_FILE"

echo "==> Checking SSH connectivity to $REMOTE_HOST"
ssh -o BatchMode=yes -o ConnectTimeout=10 "$REMOTE_HOST" "echo SSH OK" >/dev/null

echo "==> Validating Caddy UI root"
CADDY_ROOT_LINE="$(ssh "$REMOTE_HOST" "sudo grep -n 'root \\* ' /etc/caddy/Caddyfile | head -n 1 || true")"
if [[ -n "$CADDY_ROOT_LINE" && "$CADDY_ROOT_LINE" != *"$EXPECTED_CADDY_UI_ROOT"* ]]; then
  echo "ERROR: Caddy root mismatch. Found: $CADDY_ROOT_LINE" >&2
  echo "Expected path fragment: $EXPECTED_CADDY_UI_ROOT" >&2
  if [[ "$ALLOW_CADDY_MISMATCH" != "1" ]]; then
    echo "Set ALLOW_CADDY_MISMATCH=1 to bypass this check." >&2
    exit 1
  fi
  echo "WARN: proceeding due to ALLOW_CADDY_MISMATCH=1"
fi

echo "==> Preparing remote directory: $REMOTE_DIR"
ssh "$REMOTE_HOST" "sudo mkdir -p '$REMOTE_DIR'"

echo "==> Syncing staged files to $REMOTE_DIR"
rsync -rlvz --delete --omit-dir-times --no-perms --no-owner --no-group \
  --rsync-path="sudo rsync" \
  "$TMP_DIR"/ "$REMOTE_HOST":"$REMOTE_DIR"/

echo "Всё хорошо: $TARGET_URL"