package main

import (
	"encoding/json"
	"testing"
	"time"

	"tera-clone/services/tera-api/internal/domain"
	"tera-clone/services/tera-api/internal/logstorage"
	"tera-clone/services/tera-api/internal/serial"
)

type captureJournal struct {
	class     string
	timestamp time.Time
	payload   json.RawMessage
}

func (j *captureJournal) Append(class string, timestamp time.Time, value any) error {
	payload, err := json.Marshal(value)
	if err != nil {
		return err
	}
	j.class, j.timestamp, j.payload = class, timestamp, payload
	return nil
}

func (*captureJournal) Read(string) ([]json.RawMessage, error)    { return nil, nil }
func (*captureJournal) ApplyRetention(logstorage.Retention) error { return nil }
func (*captureJournal) Snapshot() (logstorage.Snapshot, error)    { return logstorage.Snapshot{}, nil }

func TestRecordPayloadAppendsBoundedPortEvent(t *testing.T) {
	now := time.Date(2026, 7, 31, 1, 2, 3, 0, time.UTC)
	payload := []byte{0x00, 0xff, 'A'}
	journal := &captureJournal{}
	if err := recordPayload(journal, serial.StreamEvent{
		Timestamp: now, Channel: "CH01", LeaseID: "lease-1", ClientID: "session-1",
		Direction: "rx", Bytes: uint64(len(payload)), Payload: payload,
	}); err != nil {
		t.Fatal(err)
	}
	if journal.class != logstorage.ClassPort || !journal.timestamp.Equal(now) {
		t.Fatalf("journal routing = %q %s", journal.class, journal.timestamp)
	}
	var event domain.PortLogEvent
	if err := json.Unmarshal(journal.payload, &event); err != nil {
		t.Fatal(err)
	}
	if event.Channel != "CH01" || event.Direction != "RX" || event.Actor != "session-1" || event.PayloadBytes != len(payload) || event.PayloadEncoding != "base64" || string(event.Payload) != string(payload) {
		t.Fatalf("port event = %#v", event)
	}
}