#!/usr/bin/env bash
# Load deployment .env and require common vars.
# Usage: source "$SCRIPT_DIR/lib/deployment/dotenv.sh"
# Optional: load_deployment_env [--repo-root <path>]
#
# Correct dotenv file (in order):
#   1. ENV_FILE if set and the file exists (e.g. export ENV_FILE=/path/to/.env)
#   2. PROJECT_ROOT/.env (repo root; PROJECT_ROOT = scripts/lib/deployment/../.. when unset)
# So: use repo-root .env by default; set ENV_FILE to use a different file.

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

# Preferred .env: ENV_FILE if set and readable; else PROJECT_ROOT/.env (repo root).
load_deployment_env() {
  local root="${PROJECT_ROOT}"
  while [[ $# -gt 0 ]]; do
    case "$1" in
      --repo-root) root="$2"; shift 2 ;;
      *) shift ;;
    esac
  done
  export PROJECT_ROOT="$root"
  local dotenv="${root}/.env"
  [[ -n "${ENV_FILE:-}" && -f "${ENV_FILE}" ]] && dotenv="${ENV_FILE}"
  if [[ -f "$dotenv" ]]; then
    set -a
    # shellcheck disable=SC1090
    source "$dotenv"
    set +a
  fi
}

# Require vars for mainnet LP funding (G4). Fails with message if missing.
require_fund_lp_env() {
  load_deployment_env
  : "${LIQUIDITY_POOL_ETH_MAINNET:=${LIQUIDITY_POOL:-}}"
  if [[ -z "${LIQUIDITY_POOL_ETH_MAINNET:-}" ]]; then
    echo "Set LIQUIDITY_POOL_ETH_MAINNET (or LIQUIDITY_POOL) in .env" >&2
    return 1
  fi
  if [[ -z "${ETHEREUM_MAINNET_RPC:-}" ]]; then
    echo "Set ETHEREUM_MAINNET_RPC in .env" >&2
    return 1
  fi
  if [[ -z "${PRIVATE_KEY:-}" ]]; then
    echo "Set PRIVATE_KEY in .env" >&2
    return 1
  fi
  return 0
}