package artifacts

import "path/filepath"

// SessionPaths contains canonical local paths for one session work directory.
type SessionPaths struct {
	WorkspaceRoot            string
	Root                     string
	InputsDir                string
	AudioDir                 string
	TranscriptsDir           string
	TranscriptsRawDir        string
	TranscriptsNormalizedDir string
	ArtifactsDir             string
	ConfigDir                string
	LogsDir                  string
	ManifestPath             string
	LockPath                 string
}

// SessionWorkDir returns the work directory for one session.
func SessionWorkDir(rootDir, sessionID string) string {
	return filepath.Join(rootDir, "work", sessionID)
}

func buildSessionPaths(workspaceRoot, sessionID string) SessionPaths {
	root := SessionWorkDir(workspaceRoot, sessionID)
	transcripts := filepath.Join(root, "transcripts")
	return SessionPaths{
		WorkspaceRoot:            workspaceRoot,
		Root:                     root,
		InputsDir:                filepath.Join(root, "inputs"),
		AudioDir:                 filepath.Join(root, "audio"),
		TranscriptsDir:           transcripts,
		TranscriptsRawDir:        filepath.Join(transcripts, "raw"),
		TranscriptsNormalizedDir: filepath.Join(transcripts, "normalized"),
		ArtifactsDir:             filepath.Join(root, "artifacts"),
		ConfigDir:                filepath.Join(root, "config"),
		LogsDir:                  filepath.Join(root, "logs"),
		ManifestPath:             filepath.Join(root, "manifest.json"),
		LockPath:                 filepath.Join(root, ".lock"),
	}
}