package common

import (
	"io/ioutil"
	"os"
	"testing"

	"github.com/stretchr/testify/require"

	"github.com/status-im/status-go/eth-node/crypto"
	"github.com/status-im/status-go/eth-node/types"
	"github.com/status-im/status-go/protocol/protobuf"
)

const expectedJPEG = "data:image/jpeg;base64,/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k="
const expectedAAC = "data:audio/aac;base64,//FQgBw//NoATGF2YzUyLjcwLjAAQniptokphEFCg5qs1v9fn48+qz1rfWNhwvz+CqB5dipmq3T2PlT1Ld6sPj+19fUt1C3NKV0KowiqohZVCrdf19WMatvV3YbIvAuy/q2RafA8UiZPmZY7DdmHZtP9ri25kedWSiMKQRt79ttlod55LkuX7/f7/f7/f7/YGBgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYGBgYHNqo8g5qs1v9fn48+qz1rfWNhwvz+CqAAAAAAAAAAAAAAAAAAAAAAABw//FQgCNf/CFXbUZfDKFRgsYlKDegtXJH9eLkT54uRM1ckDYDcXRzZGF6Kz5Yps5fTeLY6w7gclwly+0PJL3udY3PyekTFI65bdniF3OjvHeafzZfWTs0qRMSkdll1sbb4SNT5e8vX98ytot6jEZ0NhJi2pBVP/tKV2JMyo36n9uxR2tKR+FoLCsP4SVi49kmvaSCWm5bQD96OmVQA9Q40bqnOa7rT8j9N0TlK991XdcenGTLbyS6eUnN2U1ckf14uRPni5EzVyQAAAAAAAAAAx6Q1flBp+KH2LhgH2Xx+14QB2/jcizm6ngck4vB9DoH9/Vcb7E8Dy+D/1ii1pSPwsUUUXCSsXHsk17SBfKwn2uHr6QAAAAAAAHA//FQgBt//CF3VO1KFCFWcd/r04m+O0758/tXHUlvaqEK9lvhUZXEZMXKMV/LQ6B3/mOl/Mrfs6jpD2b7f+n4yt+tm2x5ZmnpD++dZo/V9VgblI3OW/s1b8qt0h1RBiIRIIYIYQIBeCM8yy7etkwt1JAajRSoZGwwNZ07TTFTyMR1mTUVVUTW97vaDaHU5DV1snBf0mN4fraa+rf/vpdZ8FxqatGjNxPh35UuVfpNqc48W4nZ6rOO/16cTfHad8+f2rjqS3tVAAAAAAAAAAAAAAAAAAAAAAAAAAAO//FQgBm//CEXVPU+GiFsPr7x6+N6v+m+q511I4SgtYVyoyWjcMWMxkaxxDGSx1qVcarjDESt8zLQehx/lkil/GrHBy/NfJcHek0XtfanZJLHNXO2rUnFklPAlQSBS4l0pIoXIfORcXx0UYj1nTsSe1/0wXDkkFCfxWHtqRayOmWm3oS6JGdnZdtjesjByefiS8dLW1tVVVC58ijoxN3gmGFYj07+YJ6eth9fePXxvV/031XOupHCUAAAAAAAAAAAAAAAAAAAAAAAAAAA4P/xUIAcf/whN1T9NsMOEK5rxxxxXnid+f0/Ia195vi6oGH1ZVr6kjqScdSF9lt3qXH+Lxf0fo/Oe53r99IUPzybv/YWGZ7Vgk31MGw+DMp05+3y9fPERUTHlt1c9sUyoqCaD5bdXVz2wkG0hnpDmFy8r0fr3VBn/C7Rmg+L0/45EWfdocGq3HQ1uRro0GJK+vsvo837NR82s01l/n97rsWn7RYNBM3WRcDY3cJKosqMJhgdHtj9yflthd65rxxxxXnid+f0/Ia195vi6oAAAAAAAAAAAAAAAAAAAAAAAAAAAABw"

func TestPrepareContentImage(t *testing.T) {
	file, err := os.Open("../../_assets/tests/test.jpg")
	require.NoError(t, err)
	defer file.Close()

	payload, err := ioutil.ReadAll(file)
	require.NoError(t, err)

	message := &Message{}
	message.ContentType = protobuf.ChatMessage_IMAGE
	image := protobuf.ImageMessage{
		Payload: payload,
		Type:    protobuf.ImageMessage_JPEG,
	}
	message.Payload = &protobuf.ChatMessage_Image{Image: &image}

	require.NoError(t, message.PrepareContent())
	require.Equal(t, expectedJPEG, message.Base64Image)
}

func TestGetImageMessageMIME(t *testing.T) {
	jpeg := &protobuf.ImageMessage{Type: protobuf.ImageMessage_JPEG}
	mime, err := getImageMessageMIME(jpeg)
	require.NoError(t, err)
	require.Equal(t, "jpeg", mime)

	png := &protobuf.ImageMessage{Type: protobuf.ImageMessage_PNG}
	mime, err = getImageMessageMIME(png)
	require.NoError(t, err)
	require.Equal(t, "png", mime)

	webp := &protobuf.ImageMessage{Type: protobuf.ImageMessage_WEBP}
	mime, err = getImageMessageMIME(webp)
	require.NoError(t, err)
	require.Equal(t, "webp", mime)

	gif := &protobuf.ImageMessage{Type: protobuf.ImageMessage_GIF}
	mime, err = getImageMessageMIME(gif)
	require.NoError(t, err)
	require.Equal(t, "gif", mime)

	unknown := &protobuf.ImageMessage{Type: protobuf.ImageMessage_UNKNOWN_IMAGE_TYPE}
	_, err = getImageMessageMIME(unknown)
	require.Error(t, err)
}

func TestPrepareContentAudio(t *testing.T) {
	file, err := os.Open("../../_assets/tests/test.aac")
	require.NoError(t, err)
	defer file.Close()

	payload, err := ioutil.ReadAll(file)
	require.NoError(t, err)

	message := &Message{}
	message.ContentType = protobuf.ChatMessage_AUDIO
	audio := protobuf.AudioMessage{
		Payload: payload,
		Type:    protobuf.AudioMessage_AAC,
	}
	message.Payload = &protobuf.ChatMessage_Audio{Audio: &audio}

	require.NoError(t, message.PrepareContent())
	require.Equal(t, expectedAAC, message.Base64Audio)
}

func TestGetAudioMessageMIME(t *testing.T) {
	aac := &protobuf.AudioMessage{Type: protobuf.AudioMessage_AAC}
	mime, err := getAudioMessageMIME(aac)
	require.NoError(t, err)
	require.Equal(t, "aac", mime)

	amr := &protobuf.AudioMessage{Type: protobuf.AudioMessage_AMR}
	mime, err = getAudioMessageMIME(amr)
	require.NoError(t, err)
	require.Equal(t, "amr", mime)

	unknown := &protobuf.ImageMessage{Type: protobuf.ImageMessage_UNKNOWN_IMAGE_TYPE}
	_, err = getImageMessageMIME(unknown)
	require.Error(t, err)
}

func TestPrepareContentMentions(t *testing.T) {
	message := &Message{}
	pk1, err := crypto.GenerateKey()
	require.NoError(t, err)
	pk1String := types.EncodeHex(crypto.FromECDSAPub(&pk1.PublicKey))

	pk2, err := crypto.GenerateKey()
	require.NoError(t, err)
	pk2String := types.EncodeHex(crypto.FromECDSAPub(&pk2.PublicKey))

	message.Text = "hey @" + pk1String + " @" + pk2String

	require.NoError(t, message.PrepareContent())
	require.Len(t, message.Mentions, 2)
	require.Equal(t, message.Mentions[0], pk1String)
	require.Equal(t, message.Mentions[1], pk2String)
}

func TestPrepareContentLinks(t *testing.T) {
	message := &Message{}

	link1 := "https://github.com/status-im/status-react"
	link2 := "https://www.youtube.com/watch?v=6RYO8KCY6YE"

	message.Text = "Just look at that repo " + link1 + " . And watch this video - " + link2

	require.NoError(t, message.PrepareContent())
	require.Len(t, message.Links, 2)
	require.Equal(t, message.Links[0], link1)
	require.Equal(t, message.Links[1], link2)
}