package runtime

import (
	"log/slog"
	"os"
	"path/filepath"
)

type Environment struct {
	Version  string
	Codename string
	Hostname string
	Port     string
	WorkDir  string
}

func safeGrab(key, fallback string) string {
	if v, ok := os.LookupEnv(key); ok {
		return v
	}
	return fallback
}

func GrabEnvironment() Environment {
	return Environment{
		Version:  safeGrab("VERSION", "0.0.1"),
		Codename: safeGrab("CODENAME", "Magical Anomaly"),
		Hostname: safeGrab("HOSTNAME", "0.0.0.0"),
		Port:     safeGrab("PORT", "8080"),
		WorkDir:  safeGrab("OPERATIONDIR", "."),
	}
}

func EnsureOperation(workDir string) error {
	slog.Info("starting audit on: " + workDir)

	nDirs := []string{
		workDir,
		filepath.Join(workDir, "content"),
		filepath.Join(workDir, "content", "fresh"),
		filepath.Join(workDir, "content", "archive"),
		filepath.Join(workDir, "web"),
	}

	for _, p := range nDirs {
		if err := os.MkdirAll(p, 0755); err != nil {
			return err
		}
	}

	return nil
}