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

# Load .env.local if it exists
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
ENV_FILE="$SCRIPT_DIR/.env.local"

if [[ -f "$ENV_FILE" ]]; then
  # Export only the vars we care about, ignoring comments and blank lines
  set -o allexport
  # shellcheck source=/dev/null
  source <(grep -E '^(DEPLOY_USER|DEPLOY_HOST|DEPLOY_SSH_KEY)=' "$ENV_FILE")
  set +o allexport
fi

# Prompt for any missing values
if [[ -z "${DEPLOY_USER:-}" ]]; then
  read -rp "SSH username: " DEPLOY_USER
fi

if [[ -z "${DEPLOY_HOST:-}" ]]; then
  read -rp "Server IP/hostname: " DEPLOY_HOST
fi

if [[ -z "${DEPLOY_SSH_KEY:-}" ]]; then
  read -rp "SSH key path [~/.ssh/id_ed25519]: " DEPLOY_SSH_KEY
  DEPLOY_SSH_KEY="${DEPLOY_SSH_KEY:-~/.ssh/id_ed25519}"
fi

SSH_OPTS="-i $DEPLOY_SSH_KEY"

echo "→ Deploying to $DEPLOY_USER@$DEPLOY_HOST using key $DEPLOY_SSH_KEY"

# 1. Build frontend (uses indexLocal.html — no Crisp; see vite --mode nocrisp)
(
  cd "$SCRIPT_DIR"
  npm run build:local
)

# Fail if the bundle still embeds Crisp (wrong vite mode or stale build/)
INDEX_HTML="$SCRIPT_DIR/build/index.html"
if [[ ! -f "$INDEX_HTML" ]]; then
  echo "error: missing $INDEX_HTML after build:local" >&2
  exit 1
fi
if grep -qiE 'crisp\.chat|\$crisp|CRISP_WEBSITE_ID|CRISP_RUNTIME_CONFIG' "$INDEX_HTML"; then
  echo "error: build/index.html still references Crisp; expected nocrisp build (indexLocal.html)" >&2
  exit 1
fi

# 2. Build container image
docker build -t webui:local -f Dockerfile .

# 3. Transfer image
docker save webui:local | ssh $SSH_OPTS "$DEPLOY_USER@$DEPLOY_HOST" docker load

# 4. SCP compose file
scp $SSH_OPTS docker-compose.local.yml "$DEPLOY_USER@$DEPLOY_HOST:~/"

# 5. Deploy — then force service recreate. Swarm often keeps the old task when the tag stays
#    webui:local after docker load, so without --force you still see the previous HTML/JS.
STACK_NAME="${LOCAL_DOCKER_STACK_NAME:-webui}"
SERVICE_NAME="${STACK_NAME}_webui"
ssh $SSH_OPTS "$DEPLOY_USER@$DEPLOY_HOST" \
  "docker stack deploy -c docker-compose.local.yml $STACK_NAME && docker service update --force $SERVICE_NAME"