package artifacts

import (
	"os"
	"path/filepath"
	"testing"
)

func TestResolveSessionLocalPathForRead(t *testing.T) {
	workspace := t.TempDir()
	paths := buildSessionPaths(workspace, "s-1")
	if err := os.MkdirAll(paths.TranscriptsRawDir, 0o755); err != nil {
		t.Fatalf("MkdirAll() error = %v", err)
	}
	target := filepath.Join(paths.TranscriptsRawDir, "alice.json")
	if err := os.WriteFile(target, []byte(`{"segments":[]}`), 0o644); err != nil {
		t.Fatalf("WriteFile() error = %v", err)
	}

	abs := target
	got := ResolveSessionLocalPathForRead(paths, abs)
	if got != abs {
		t.Fatalf("absolute path resolution = %q, want %q", got, abs)
	}

	sessionRelative := filepath.Join("transcripts", "raw", "alice.json")
	got = ResolveSessionLocalPathForRead(paths, sessionRelative)
	if got != target {
		t.Fatalf("session-relative resolution = %q, want %q", got, target)
	}
}

func TestResolveSessionLocalPathForReadRelativeWorkspaceRootQualifiedPath(t *testing.T) {
	cwd, err := os.Getwd()
	if err != nil {
		t.Fatalf("Getwd() error = %v", err)
	}
	workspaceAbs := t.TempDir()
	workspaceRel, err := filepath.Rel(cwd, workspaceAbs)
	if err != nil {
		t.Fatalf("Rel() error = %v", err)
	}

	paths := buildSessionPaths(workspaceRel, "s-1")
	target := filepath.Join(paths.TranscriptsRawDir, "alice.json")
	if err := os.MkdirAll(filepath.Dir(target), 0o755); err != nil {
		t.Fatalf("MkdirAll() error = %v", err)
	}
	if err := os.WriteFile(target, []byte(`{"segments":[]}`), 0o644); err != nil {
		t.Fatalf("WriteFile() error = %v", err)
	}

	manifestPath := filepath.Join(workspaceRel, "work", "s-1", "transcripts", "raw", "alice.json")
	got := ResolveSessionLocalPathForRead(paths, manifestPath)
	if got != filepath.Clean(manifestPath) {
		t.Fatalf("resolution = %q, want %q", got, filepath.Clean(manifestPath))
	}
}