package session_test

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

	"github.com/mathiasbq/hyperguild/ingestion/internal/session"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestAppendAndRead(t *testing.T) {
	dir := t.TempDir()
	sid := "test-session"

	e1 := session.Entry{
		SessionID:   sid,
		Timestamp:   time.Now().UTC().Truncate(time.Second),
		Skill:       "tdd",
		Phase:       "red",
		FinalStatus: "ok",
	}
	e2 := session.Entry{
		SessionID:   sid,
		Timestamp:   time.Now().UTC().Truncate(time.Second),
		Skill:       "tdd",
		Phase:       "green",
		FinalStatus: "ok",
	}

	require.NoError(t, session.Append(dir, sid, e1))
	require.NoError(t, session.Append(dir, sid, e2))

	got, err := session.Read(dir, sid)
	require.NoError(t, err)
	require.Len(t, got, 2)
	assert.Equal(t, "red", got[0].Phase)
	assert.Equal(t, "green", got[1].Phase)

	_, statErr := os.Stat(filepath.Join(dir, sid+".jsonl"))
	require.NoError(t, statErr, "session file should exist on disk")
}

func TestReadMissingReturnsEmpty(t *testing.T) {
	got, err := session.Read(t.TempDir(), "nope")
	require.NoError(t, err)
	assert.Empty(t, got)
}