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

REMOTE="${REMOTE:-root@drivers.smartsoltech.kr}"
REMOTE_DIR="${REMOTE_DIR:-/opt/drivers_bot}"
BASE_URL="${BASE_URL:-http://127.0.0.1:8000}"
COMPOSE="${COMPOSE:-docker compose}"
RUN_LOCAL_CHECKS="${RUN_LOCAL_CHECKS:-true}"
BACKUP_BEFORE_DEPLOY="${BACKUP_BEFORE_DEPLOY:-true}"
BRANCH="$(git rev-parse --abbrev-ref HEAD 2>/dev/null || echo unknown)"
REVISION="$(git rev-parse --short HEAD 2>/dev/null || echo unknown)"

EXCLUDES=(
  "--exclude=.git/"
  "--exclude=.env"
  "--exclude=.env.*"
  "--exclude=.venv/"
  "--exclude=venv/"
  "--exclude=__pycache__/"
  "--exclude=.pytest_cache/"
  "--exclude=.ruff_cache/"
  "--exclude=.history/"
  "--exclude=backups/"
  "--exclude=*.sqlite"
  "--exclude=*.sqlite3"
  "--exclude=*.db"
)

send_remote_report() {
  local text="$1"
  ssh "$REMOTE" "cd '$REMOTE_DIR' && export CARPASS_REPORT_TEXT=\$(cat); if $COMPOSE exec -T api test -f scripts/send_telegram_report.py >/dev/null 2>&1; then $COMPOSE exec -T -e CARPASS_REPORT_TEXT api python scripts/send_telegram_report.py; else $COMPOSE run --rm --no-deps -e CARPASS_REPORT_TEXT api python scripts/send_telegram_report.py; fi" <<<"$text" || true
}

fail_report() {
  local line="${1:-unknown}"
  send_remote_report "❌ CarPass rsync deploy failed
Branch: $BRANCH
Revision: $REVISION
Step line: $line
Target: $REMOTE"
}

trap 'fail_report "$LINENO"' ERR

if [[ "$RUN_LOCAL_CHECKS" == "true" ]]; then
  echo "Running local checks..."
  .venv/bin/ruff check app bot tests
  .venv/bin/pytest -q
fi

send_remote_report "🚀 CarPass rsync deploy started
Branch: $BRANCH
Revision: $REVISION
Target: $REMOTE
Checks: local=${RUN_LOCAL_CHECKS}"

echo "Checking remote..."
ssh "$REMOTE" "test -d '$REMOTE_DIR' && test -f '$REMOTE_DIR/docker-compose.yml'"

if [[ "$BACKUP_BEFORE_DEPLOY" == "true" ]]; then
  echo "Creating remote code backup..."
  ssh "$REMOTE" "cd '$(dirname "$REMOTE_DIR")' && mkdir -p '$REMOTE_DIR/backups' && tar --exclude='$(basename "$REMOTE_DIR")/backups' --exclude='$(basename "$REMOTE_DIR")/.git' --exclude='$(basename "$REMOTE_DIR")/.env' --exclude='$(basename "$REMOTE_DIR")/.venv' -czf '$REMOTE_DIR/backups/code_pre_rsync_$(date +%Y%m%d%H%M%S).tgz' '$(basename "$REMOTE_DIR")'"
fi

echo "Syncing code with rsync..."
rsync -az --delete "${EXCLUDES[@]}" ./ "$REMOTE:$REMOTE_DIR/"

echo "Building remote images..."
ssh "$REMOTE" "cd '$REMOTE_DIR' && $COMPOSE build"
send_remote_report "🧱 CarPass rsync deploy progress
Branch: $BRANCH
Step: docker build completed"

echo "Applying migrations..."
ssh "$REMOTE" "cd '$REMOTE_DIR' && $COMPOSE run --rm api alembic upgrade head"
send_remote_report "🗄️ CarPass rsync deploy progress
Branch: $BRANCH
Step: migrations applied"

echo "Starting services..."
ssh "$REMOTE" "cd '$REMOTE_DIR' && $COMPOSE up -d"

echo "Waiting for API readiness..."
ssh "$REMOTE" "cd '$REMOTE_DIR' && for i in \$(seq 1 30); do status=\$(docker inspect -f '{{.State.Health.Status}}' drivers_bot-api-1 2>/dev/null || echo missing); echo \"api_health=\$status\"; [ \"\$status\" = healthy ] && exit 0; sleep 2; done; $COMPOSE logs --tail=120 api; exit 1"

echo "Running remote smoke tests..."
ssh "$REMOTE" "cd '$REMOTE_DIR' && BASE_URL='$BASE_URL' ./scripts/smoke_test.sh && curl -fsSI '$BASE_URL/admin.html' | head -5 && $COMPOSE ps"

send_remote_report "✅ CarPass rsync deploy completed
Branch: $BRANCH
Revision: $REVISION
Migration: $(ssh "$REMOTE" "cd '$REMOTE_DIR' && curl -fsS '$BASE_URL/ready'" | tr '\n' ' ')
Checks: /health ok, /ready ok, /metrics ok, /admin.html 200
Services: api healthy, bot restarted"

echo "Deploy completed."