#!/usr/bin/env bash
# 프로젝트 루트 .env에서 KEY=VALUE 줄만 export (섹션 헤더 [..]·주석 무시)
load_project_env() {
  local env_file="$1"
  if [[ ! -f "$env_file" ]]; then
    echo "load_project_env: .env not found: $env_file" >&2
    return 1
  fi
  while IFS= read -r line || [[ -n "$line" ]]; do
    line="${line#"${line%%[![:space:]]*}"}"
    [[ -z "$line" || "$line" == \#* ]] && continue
    [[ "$line" == \[* ]] && continue
    if [[ "$line" =~ ^([A-Za-z_][A-Za-z0-9_]*)=(.*)$ ]]; then
      local key="${BASH_REMATCH[1]}"
      local val="${BASH_REMATCH[2]}"
      if [[ "$val" =~ ^\"(.*)\"$ ]]; then
        val="${BASH_REMATCH[1]}"
      elif [[ "$val" =~ ^\'(.*)\'$ ]]; then
        val="${BASH_REMATCH[1]}"
      fi
      export "$key=$val"
    fi
  done < "$env_file"
}