package main

import (
	"os"
	"path/filepath"
)

// ensureBuildDir creates dir if missing
func ensureBuildDir(dir string) (string, error) {
    if _, err := os.Stat(dir); os.IsNotExist(err) {
        if err := os.MkdirAll(dir, 0755); err != nil {
            return "", err
        }
    }
    return filepath.Clean(dir), nil
}

func getBuildDir() (string, error) {
    if os.Getenv("RUNNING_IN_DOCKER") == "true" {
        // In Docker: workdir is usually /app/controller, so .. points to /app (repo root)
        return ensureBuildDir(filepath.Join("..", "builds"))
    }

    // Local dev: still want builds in repo root relative to controller/
    return ensureBuildDir(filepath.Join("..", "builds"))
}