#!/usr/bin/env bash

set -Eeuo pipefail

SOURCE_CONTAINER="${SOURCE_CONTAINER:-konturai-parser-app}"
DEPLOY_DIR="${DEPLOY_DIR:-/home/gitlab-runner/deploy/marketing-parser}"

ENV_KEYS=(
  SPRING_DATASOURCE_URL
  POSTGRES_USER
  POSTGRES_PASSWORD
  SPRING_JPA_HIBERNATE_DDL_AUTO
  CORS_ALLOWED_ORIGIN
  FACEBOOK_LEADS_PAGE_ID
  FACEBOOK_LEADS_ACCESS_TOKEN
  FACEBOOK_LEADS_CRON
  FACEBOOK_LEADS_GRAPH_API_VERSION
  FACEBOOK_LEADS_CALL_CENTER_BASE_URL
)

if [[ "${EUID}" -ne 0 ]]; then
  echo "Run this script as root so it can write the deploy directory for gitlab-runner." >&2
  exit 1
fi

if ! command -v docker >/dev/null 2>&1; then
  echo "Docker is required." >&2
  exit 1
fi

if ! id gitlab-runner >/dev/null 2>&1; then
  echo "gitlab-runner user does not exist." >&2
  exit 1
fi

if ! docker inspect "$SOURCE_CONTAINER" >/dev/null 2>&1; then
  echo "Source container not found: $SOURCE_CONTAINER" >&2
  exit 1
fi

install -d -o gitlab-runner -g gitlab-runner "$DEPLOY_DIR"

TMP_ENV="$(mktemp)"
trap 'rm -f "$TMP_ENV"' EXIT

PATTERN="$(printf '%s|' "${ENV_KEYS[@]}")"
PATTERN="^(${PATTERN%|})="

docker inspect "$SOURCE_CONTAINER" --format '{{range .Config.Env}}{{println .}}{{end}}' \
  | grep -E "$PATTERN" > "$TMP_ENV"

if [[ ! -s "$TMP_ENV" ]]; then
  echo "Failed to extract deployment environment from $SOURCE_CONTAINER" >&2
  exit 1
fi

install -m 600 -o gitlab-runner -g gitlab-runner "$TMP_ENV" "$DEPLOY_DIR/.env.production"

echo "Bootstrap complete: wrote $DEPLOY_DIR/.env.production from $SOURCE_CONTAINER"