#!/bin/bash
#
# Deployment Configuration
# Centralized configuration for The Order deployment automation
#

set -euo pipefail

# Colors for output
readonly RED='\033[0;31m'
readonly GREEN='\033[0;32m'
readonly YELLOW='\033[1;33m'
readonly BLUE='\033[0;34m'
readonly MAGENTA='\033[0;35m'
readonly CYAN='\033[0;36m'
readonly NC='\033[0m' # No Color

# Project configuration
readonly PROJECT_NAME="the-order"
readonly PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
readonly SCRIPTS_DIR="${PROJECT_ROOT}/scripts"
readonly INFRA_DIR="${PROJECT_ROOT}/infra"
readonly TERRAFORM_DIR="${INFRA_DIR}/terraform"
readonly K8S_DIR="${INFRA_DIR}/k8s"
readonly PROXMOX_WORKSPACE_ROOT="$(cd "${PROJECT_ROOT}/.." && pwd)"

# Load shared Sankofa / Proxmox network inventory when available.
if [ -f "${PROXMOX_WORKSPACE_ROOT}/config/ip-addresses.conf" ]; then
  # shellcheck source=/dev/null
  source "${PROXMOX_WORKSPACE_ROOT}/config/ip-addresses.conf"
fi

# Environment abbreviation mapping
get_env_abbrev() {
  case "${ENVIRONMENT:-dev}" in
    dev) echo "dev" ;;
    stage) echo "stg" ;;
    prod) echo "prd" ;;
    mgmt) echo "mgmt" ;;
    *) echo "dev" ;;
  esac
}

readonly ENV_SHORT=$(get_env_abbrev)
readonly NAME_PREFIX="sankofa-${ENV_SHORT}"

# Environment configuration
readonly ENVIRONMENT="${ENVIRONMENT:-dev}"
readonly NAMESPACE="the-order-${ENVIRONMENT}"

# Local image / artifact configuration
readonly IMAGE_REGISTRY="${IMAGE_REGISTRY:-theorder}"
readonly IMAGE_TAG="${IMAGE_TAG:-latest}"

# Services
readonly SERVICES=("identity" "intake" "finance" "dataroom")
readonly APPS=("portal-public" "portal-internal")

# Service ports
declare -A SERVICE_PORTS=(
  ["identity"]="4002"
  ["intake"]="4001"
  ["finance"]="4003"
  ["dataroom"]="4004"
  ["portal-public"]="3000"
  ["portal-internal"]="3001"
)

# Logging
readonly LOG_DIR="${PROJECT_ROOT}/logs"
readonly LOG_FILE="${LOG_DIR}/deployment-$(date +%Y%m%d-%H%M%S).log"

# Deployment state
readonly STATE_DIR="${PROJECT_ROOT}/.deployment"
readonly STATE_FILE="${STATE_DIR}/${ENVIRONMENT}.state"
readonly ARTIFACTS_DIR="${STATE_DIR}/artifacts"

# Sankofa Phoenix / Proxmox deployment topology
readonly PROXMOX_HOST="${PROXMOX_HOST:-${PROXMOX_HOST_R630_01:-192.168.11.11}}"
readonly PROXMOX_SSH_USER="${PROXMOX_SSH_USER:-root}"
readonly SSH_OPTS="${SSH_OPTS:--o BatchMode=yes -o ConnectTimeout=15 -o StrictHostKeyChecking=accept-new}"

resolve_host_for_vmid() {
  local vmid="$1"
  local host
  local candidates=(
    "${PROXMOX_HOST_R630_01:-192.168.11.11}"
    "${PROXMOX_HOST_R630_02:-192.168.11.12}"
    "${PROXMOX_HOST_R630_03:-192.168.11.13}"
    "${PROXMOX_HOST_R630_04:-192.168.11.14}"
  )

  if command -v ssh >/dev/null 2>&1; then
    for host in "${candidates[@]}"; do
      if ssh -o BatchMode=yes -o ConnectTimeout=5 -o StrictHostKeyChecking=accept-new \
        "${PROXMOX_SSH_USER}@${host}" "pct status ${vmid}" >/dev/null 2>&1; then
        echo "${host}"
        return 0
      fi
    done
  fi

  case "${vmid}" in
    10090|10091|10092|10210) echo "${PROXMOX_HOST_R630_04:-192.168.11.14}" ;;
    *) echo "${PROXMOX_HOST}" ;;
  esac
}

readonly ORDER_PORTAL_PUBLIC_VMID="${ORDER_PORTAL_PUBLIC_VMID:-10090}"
readonly ORDER_PORTAL_PUBLIC_HOST="${ORDER_PORTAL_PUBLIC_HOST:-$(resolve_host_for_vmid "${ORDER_PORTAL_PUBLIC_VMID}")}"
readonly ORDER_PORTAL_PUBLIC_IP="${ORDER_PORTAL_PUBLIC_IP:-192.168.11.36}"
readonly ORDER_PORTAL_PUBLIC_PORT="${ORDER_PORTAL_PUBLIC_PORT:-3000}"
readonly ORDER_PORTAL_PUBLIC_APP_DIR="${ORDER_PORTAL_PUBLIC_APP_DIR:-/opt/the-order/portal-public}"
readonly ORDER_PORTAL_PUBLIC_SERVICE="${ORDER_PORTAL_PUBLIC_SERVICE:-the-order-portal-public}"

readonly ORDER_HAPROXY_VMID="${ORDER_HAPROXY_VMID:-10210}"
readonly ORDER_HAPROXY_HOST="${ORDER_HAPROXY_HOST:-$(resolve_host_for_vmid "${ORDER_HAPROXY_VMID}")}"
readonly ORDER_HAPROXY_IP="${ORDER_HAPROXY_IP:-${IP_ORDER_HAPROXY:-192.168.11.39}}"
readonly ORDER_HAPROXY_BACKEND_HOST="${ORDER_HAPROXY_BACKEND_HOST:-${ORDER_PORTAL_PUBLIC_IP}}"
readonly ORDER_HAPROXY_BACKEND_PORT="${ORDER_HAPROXY_BACKEND_PORT:-${ORDER_PORTAL_PUBLIC_PORT}}"

readonly THE_ORDER_PUBLIC_URL="${THE_ORDER_PUBLIC_URL:-https://the-order.sankofa.nexus}"
readonly THE_ORDER_WWW_URL="${THE_ORDER_WWW_URL:-https://www.the-order.sankofa.nexus}"
readonly SANKOFA_PHOENIX_URL="${SANKOFA_PHOENIX_URL:-https://phoenix.sankofa.nexus}"
readonly SANKOFA_PORTAL_URL="${SANKOFA_PORTAL_URL:-https://portal.sankofa.nexus}"

# Create necessary directories
mkdir -p "${LOG_DIR}"
mkdir -p "${STATE_DIR}"
mkdir -p "${ARTIFACTS_DIR}"

# Logging functions
log_info() {
  echo -e "${BLUE}[INFO]${NC} $*" | tee -a "${LOG_FILE}"
}

log_success() {
  echo -e "${GREEN}[SUCCESS]${NC} $*" | tee -a "${LOG_FILE}"
}

log_warning() {
  echo -e "${YELLOW}[WARNING]${NC} $*" | tee -a "${LOG_FILE}"
}

log_error() {
  echo -e "${RED}[ERROR]${NC} $*" | tee -a "${LOG_FILE}"
}

log_step() {
  echo -e "${CYAN}[STEP]${NC} $*" | tee -a "${LOG_FILE}"
}

# Error handling
error_exit() {
  log_error "$1"
  exit "${2:-1}"
}

# Validation functions
check_command() {
  if ! command -v "$1" &> /dev/null; then
    error_exit "$1 is not installed. Please install it first."
  fi
}

check_prerequisites() {
  log_info "Checking prerequisites..."
  check_command "node"
  check_command "pnpm"
  check_command "docker"
  check_command "git"
  check_command "jq"
  check_command "ssh"
  check_command "scp"
  check_command "tar"
  log_success "All prerequisites met"
}

check_proxmox_access() {
  local hosts=("${PROXMOX_HOST}" "${ORDER_PORTAL_PUBLIC_HOST}" "${ORDER_HAPROXY_HOST}")
  local unique_hosts=()
  local host

  for host in "${hosts[@]}"; do
    [[ -z "${host}" ]] && continue
    if [[ " ${unique_hosts[*]} " != *" ${host} "* ]]; then
      unique_hosts+=("${host}")
    fi
  done

  for host in "${unique_hosts[@]}"; do
    log_info "Checking Proxmox access at ${PROXMOX_SSH_USER}@${host}..."
    ssh ${SSH_OPTS} "${PROXMOX_SSH_USER}@${host}" "echo ok" >/dev/null \
      || error_exit "Failed to reach Proxmox host ${host} over SSH"
  done

  log_success "Proxmox SSH access verified"
}

# State management
save_state() {
  local phase="$1"
  local step="$2"
  echo "{\"phase\":\"${phase}\",\"step\":\"${step}\",\"timestamp\":\"$(date -Iseconds)\"}" > "${STATE_FILE}"
}

load_state() {
  if [ -f "${STATE_FILE}" ]; then
    cat "${STATE_FILE}"
  else
    echo "{\"phase\":\"none\",\"step\":\"none\"}"
  fi
}

# Export functions
export -f log_info log_success log_warning log_error log_step error_exit
export -f check_command check_prerequisites check_proxmox_access
export -f save_state load_state