package interactions_test

import (
	"crypto/ed25519"
	"encoding/hex"
	"encoding/json"
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestVerify(t *testing.T) {
	i, _, key := makeInteractions(t)

	// TODO: make this into a real interaction
	body, _ := json.Marshal(map[string]string{
		"test": "test",
	})

	sig, ts := sign(t, key, body)

	assert.NoError(t, i.Verify(sig, ts, body), "verification errored")
}

func TestVerifyFailures(t *testing.T) {
	i, _, key := makeInteractions(t)
	badPub, _, _ := ed25519.GenerateKey(nil)

	// TODO: make this into a real interaction
	body, _ := json.Marshal(map[string]string{
		"test": "test",
	})

	sig, ts := sign(t, key, body)

	assert.Error(t, i.Verify(sig, "", body), "erroneously allowed no timestamp")
	assert.Error(t, i.Verify("", ts, body), "erroneously allowed no signature")
	assert.Error(t, i.Verify(hex.EncodeToString(badPub), ts, body), "signature passed erroneously")
	assert.Error(t, i.Verify(string(badPub), ts, body), "accepted an incorrectly encoded key")
	assert.Error(t, i.Verify(sig+"aaaa", ts, body), "length of signature was not checked")

	body, _ = json.Marshal(map[string]string{
		"test": "test2",
	})
	assert.Error(t, i.Verify(sig, ts, body), "verified against different data")
}