#!/usr/bin/env bash
# Load project environment: .env, config, and secrets
# No hardcoded IPs or secrets - all from config and .env
#
# Usage: source "${SCRIPT_DIR}/lib/load-project-env.sh"
#
# Env precedence (first wins): 1) .env 2) config/ip-addresses.conf 3) smom-dbis-138/.env 4) dbis_core config
# Version: 2026-01-31

[[ -n "${PROJECT_ROOT:-}" ]] || PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
export PROJECT_ROOT

# err_exit: print message and exit (use when load-project-env is sourced)
err_exit() { echo "ERROR: $1" >&2; exit 1; }

# Path validation
[[ -d "$PROJECT_ROOT" ]] || err_exit "PROJECT_ROOT not a directory: $PROJECT_ROOT"
[[ -f "${PROJECT_ROOT}/config/ip-addresses.conf" ]] || echo "WARN: config/ip-addresses.conf not found; using defaults" >&2

# 1. Root .env (Cloudflare, Proxmox, etc.)
[[ -f "${PROJECT_ROOT}/.env" ]] && set -a && source "${PROJECT_ROOT}/.env" 2>/dev/null && set +a

# 2. IP/config from centralized config
[[ -f "${PROJECT_ROOT}/config/ip-addresses.conf" ]] && source "${PROJECT_ROOT}/config/ip-addresses.conf" 2>/dev/null || true

# 3. smom-dbis-138 .env (PRIVATE_KEY, bridge addrs, RPC)
[[ -f "${PROJECT_ROOT}/smom-dbis-138/.env" ]] && set -a && source "${PROJECT_ROOT}/smom-dbis-138/.env" 2>/dev/null && set +a

# 4. dbis_core config if present
[[ -f "${PROJECT_ROOT}/dbis_core/config/dbis-core-proxmox.conf" ]] && source "${PROJECT_ROOT}/dbis_core/config/dbis-core-proxmox.conf" 2>/dev/null || true

# Ensure hosts have fallbacks (from config or defaults)
PROXMOX_HOST_R630_01="${PROXMOX_HOST_R630_01:-${PROXMOX_R630_01:-192.168.11.11}}"
PROXMOX_HOST_R630_02="${PROXMOX_HOST_R630_02:-${PROXMOX_R630_02:-192.168.11.12}}"
PROXMOX_HOST_ML110="${PROXMOX_HOST_ML110:-${PROXMOX_ML110:-192.168.11.10}}"

# Derived vars (from config; fallbacks for missing config)
export RPC_CORE_1="${RPC_CORE_1:-192.168.11.211}"
export RPC_URL_138="${RPC_URL_138:-http://${RPC_CORE_1}:8545}"
export CHAIN138_RPC="${CHAIN138_RPC_URL:-$RPC_URL_138}"
export SMOM_DIR="${SMOM_DBIS_138_DIR:-${PROJECT_ROOT}/smom-dbis-138}"
export DBIS_CORE_DIR="${DBIS_CORE_DIR:-${PROJECT_ROOT}/dbis_core}"

# VMID -> Proxmox host (for pct/qm operations)
# Covers: DBIS (101xx), RPC (2101, 2201, 2301, etc.), Blockscout (5000), CCIP (5400-5476), NPMplus (10233, 10234)
get_host_for_vmid() {
    local vmid="$1"
    case "$vmid" in
        10130|10150|10151|106|107|108|10000|10001|10020|10100|10101|10120|10233|10235) echo "${PROXMOX_HOST_R630_01}";;
        2101) echo "${PROXMOX_HOST_R630_01}";;
        5000|7810|2201|2303|2401|6200|6201|10234|10237|5800) echo "${PROXMOX_HOST_R630_02}";;
        2301|2400|1504|2503|2504|2505) echo "${PROXMOX_HOST_ML110}";;
        5400|5401|5402|5403|5410|5411|5412|5413|5414|5415|5416|5417|5418|5419|5420|5421|5422|5423|5424|5425|5440|5441|5442|5443|5444|5445|5446|5447|5448|5449|5450|5451|5452|5453|5454|5455|5470|5471|5472|5473|5474|5475|5476) echo "${PROXMOX_HOST_R630_02}";;
        *) echo "${PROXMOX_HOST_R630_01:-${PROXMOX_R630_02}}";;
    esac
}