package telegram

import (
	"testing"
	"time"

	"dev.narayana.im/narayana/telegabber/config"
	"dev.narayana.im/narayana/telegabber/persistence"

	"github.com/godcong/go-tdlib/client"
)

const testTimeFormat string = "15:04 02/01/2006"

func TestOnlineStatus(t *testing.T) {
	show, status := (&Client{}).userStatusToText(client.UserStatus(&client.UserStatusOnline{}))
	if show != "" || status != "Online" {
		t.Errorf("Wrong online status: %v, %v", show, status)
	}
}

func TestOnlineRecently(t *testing.T) {
	show, status := (&Client{}).userStatusToText(client.UserStatus(&client.UserStatusRecently{}))
	if show != "dnd" || status != "Last seen recently" {
		t.Errorf("Wrong recently status: %v, %v", show, status)
	}
}

func TestOnlineOfflineAway(t *testing.T) {
	location, _ := time.LoadLocation("Europe/Berlin")
	timestamp := time.Now().In(location).Unix() - 3599
	tm := time.Unix(timestamp, 0).In(location)
	c := &Client{
		Session: &persistence.Session{
			Timezone: "+01:00",
		},
	}
	show, status := c.userStatusToText(client.UserStatus(&client.UserStatusOffline{WasOnline: int32(timestamp)}))
	trueStatus := "Last seen at " + tm.Format(testTimeFormat)
	if show != "away" || status != trueStatus {
		t.Errorf("Wrong away status: %v, %v, should be %v", show, status, trueStatus)
	}
}

func TestOnlineOfflineXa(t *testing.T) {
	timestamp := time.Now().Unix() - 3601
	tm := time.Unix(timestamp, 0).UTC()
	c := &Client{
		Session: &persistence.Session{},
	}
	show, status := c.userStatusToText(client.UserStatus(&client.UserStatusOffline{WasOnline: int32(timestamp)}))
	trueStatus := "Last seen at " + tm.Format(testTimeFormat)
	if show != "xa" || status != trueStatus {
		t.Errorf("Wrong xa status: %v, %v, should be %v", show, status, trueStatus)
	}
}

func TestFormatMessageOneline(t *testing.T) {
	message := client.Message{
		Id: 42,
		Content: &client.MessageText{
			Text: &client.FormattedText{
				Text: "tist",
			},
		},
	}

	text := (&Client{}).formatMessage(0, 0, true, &message)
	if text != "42 |  | tist" {
		t.Errorf("Wrong oneline message formatting: %v", text)
	}
}

func TestFormatMessageMultiline(t *testing.T) {
	message := client.Message{
		Id: 42,
		Content: &client.MessageText{
			Text: &client.FormattedText{
				Text: "tist\nziz",
			},
		},
	}

	text := (&Client{}).formatMessage(0, 0, true, &message)
	if text != "42 |  | tist" {
		t.Errorf("Wrong multiline message formatting: %v", text)
	}
}

func TestFormatMessageOnelinePreview(t *testing.T) {
	message := client.Message{
		Id:   42,
		Date: 1200000000,
		Content: &client.MessageText{
			Text: &client.FormattedText{
				Text: "tist",
			},
		},
	}

	c := &Client{
		Session: &persistence.Session{},
	}
	text := c.formatMessage(0, 0, false, &message)
	if text != "42 |  | 10 Jan 2008 21:20:00 | tist" {
		t.Errorf("Wrong oneline preview message formatting: %v", text)
	}
}

func TestFormatMessageMultilinePreview(t *testing.T) {
	message := client.Message{
		Id:   42,
		Date: 1200000000,
		Content: &client.MessageText{
			Text: &client.FormattedText{
				Text: "tist\nziz",
			},
		},
	}

	c := &Client{
		Session: &persistence.Session{},
	}
	text := c.formatMessage(0, 0, false, &message)
	if text != "42 |  | 10 Jan 2008 21:20:00 | tist\nziz" {
		t.Errorf("Wrong multiline preview message formatting: %v", text)
	}
}

func TestFormatContent(t *testing.T) {
	file := client.File{
		Size: 23899,
		Remote: &client.RemoteFile{
			Id: "tist",
		},
	}
	c := Client{
		content: &config.TelegramContentConfig{
			Link: "localhvost",
		},
	}

	content := c.formatContent(&file, "a.jpg")
	if content != "a.jpg (23 kbytes) | localhvost/b0896d9e9f1de7d2af59b080c3f0947b838c5c6c64f71c68a4b690a15de2ccf8.jpg" {
		t.Errorf("Wrong file label: %v", content)
	}
}

func TestMessageToTextSticker(t *testing.T) {
	sticker := client.Message{
		Content: &client.MessageSticker{
			Sticker: &client.Sticker{
				Emoji: "💩",
			},
		},
	}
	text := (&Client{}).messageToText(&sticker)
	if text != "💩" {
		t.Errorf("Not poop")
	}
}

func TestMessageToTextGroup(t *testing.T) {
	group := client.Message{
		Content: &client.MessageBasicGroupChatCreate{},
	}
	text := (&Client{}).messageToText(&group)
	if text != "has created chat" {
		t.Errorf("Who created the group?")
	}
}

func TestMessageToTextSupergroup(t *testing.T) {
	supergroup := client.Message{
		Content: &client.MessageSupergroupChatCreate{},
	}
	text := (&Client{}).messageToText(&supergroup)
	if text != "has created chat" {
		t.Errorf("Who created the supergroup?")
	}
}

func TestMessageChatJoin(t *testing.T) {
	join := client.Message{
		Content: &client.MessageChatJoinByLink{},
	}
	text := (&Client{}).messageToText(&join)
	if text != "joined chat via invite link" {
		t.Errorf("Non-joined")
	}
}

func TestMessageChatAddNoMembers(t *testing.T) {
	add := client.Message{
		Content: &client.MessageChatAddMembers{},
	}
	text := (&Client{}).messageToText(&add)
	if text != "invited " {
		t.Errorf("Invited someone anyway")
	}
}

func TestMessageChatChangeTitle(t *testing.T) {
	title := client.Message{
		Content: &client.MessageChatChangeTitle{
			Title: "Anime",
		},
	}
	text := (&Client{}).messageToText(&title)
	if text != "chat title set to: Anime" {
		t.Errorf("How to patch KDE2 for FreeBSD?")
	}
}

func TestMessageLocation(t *testing.T) {
	location := client.Message{
		Content: &client.MessageLocation{
			Location: &client.Location{
				Latitude:  50.8,
				Longitude: 42.0167,
			},
		},
	}
	text := (&Client{}).messageToText(&location)
	if text != "coordinates: 50.8,42.0167 | https://www.google.com/maps/search/50.8,42.0167/" {
		t.Errorf("Excuse me, I'm lost")
	}
}

func TestMessagePhoto(t *testing.T) {
	photo := client.Message{
		Content: &client.MessagePhoto{
			Caption: &client.FormattedText{
				Text: "tist",
			},
		},
	}
	text := (&Client{}).messageToText(&photo)
	if text != "tist" {
		t.Errorf("Wrong photo label")
	}
}

func TestMessageAudio(t *testing.T) {
	audio := client.Message{
		Content: &client.MessageAudio{
			Caption: &client.FormattedText{
				Text: "tist",
			},
		},
	}
	text := (&Client{}).messageToText(&audio)
	if text != "tist" {
		t.Errorf("Wrong audio label")
	}
}

func TestMessageVideo(t *testing.T) {
	video := client.Message{
		Content: &client.MessageVideo{
			Caption: &client.FormattedText{
				Text: "tist",
			},
		},
	}
	text := (&Client{}).messageToText(&video)
	if text != "tist" {
		t.Errorf("Wrong video label")
	}
}

func TestMessageDocument(t *testing.T) {
	document := client.Message{
		Content: &client.MessageDocument{
			Caption: &client.FormattedText{
				Text: "tist",
			},
		},
	}
	text := (&Client{}).messageToText(&document)
	if text != "tist" {
		t.Errorf("Wrong document label")
	}
}

func TestMessageText(t *testing.T) {
	textMessage := client.Message{
		Content: &client.MessageText{
			Text: &client.FormattedText{
				Text: "tist",
			},
		},
	}
	text := (&Client{}).messageToText(&textMessage)
	if text != "tist" {
		t.Errorf("Wrong text message")
	}
}

func TestMessageVoice(t *testing.T) {
	voice := client.Message{
		Content: &client.MessageVoiceNote{
			Caption: &client.FormattedText{
				Text: "tist",
			},
		},
	}
	text := (&Client{}).messageToText(&voice)
	if text != "tist" {
		t.Errorf("Wrong voice label")
	}
}

func TestMessageVideoNote(t *testing.T) {
	videoNote := client.Message{
		Content: &client.MessageVideoNote{},
	}
	text := (&Client{}).messageToText(&videoNote)
	if text != "" {
		t.Errorf("Wrong video note label")
	}
}

func TestMessageAnimation(t *testing.T) {
	animation := client.Message{
		Content: &client.MessageAnimation{
			Caption: &client.FormattedText{
				Text: "tist",
			},
		},
	}
	text := (&Client{}).messageToText(&animation)
	if text != "tist" {
		t.Errorf("Wrong animation label")
	}
}

func TestMessageUnknown(t *testing.T) {
	unknown := client.Message{
		Content: &client.MessageExpiredPhoto{},
	}
	text := (&Client{}).messageToText(&unknown)
	if text != "unknown message (messageExpiredPhoto)" {
		t.Errorf("Wrong label for unknown message")
	}
}

func TestContentToFilenameSticker(t *testing.T) {
	sticker := client.MessageSticker{
		Sticker: &client.Sticker{},
	}
	_, filename := (&Client{}).contentToFilename(&sticker)
	if filename != "sticker.webp" {
		t.Errorf("Wrong sticker filename")
	}
}

func TestContentToFilenameVoice(t *testing.T) {
	voice := client.MessageVoiceNote{
		VoiceNote: &client.VoiceNote{
			Duration: 56,
		},
	}
	_, filename := (&Client{}).contentToFilename(&voice)
	if filename != "voice note (56 s.).oga" {
		t.Errorf("Wrong voice note filename")
	}
}

func TestContentToFilenameVideoNote(t *testing.T) {
	video := client.MessageVideoNote{
		VideoNote: &client.VideoNote{
			Duration: 56,
		},
	}
	_, filename := (&Client{}).contentToFilename(&video)
	if filename != "video note (56 s.).mp4" {
		t.Errorf("Wrong video note filename")
	}
}

func TestContentToFilenameAnimation(t *testing.T) {
	animation := client.MessageAnimation{
		Animation: &client.Animation{},
	}
	_, filename := (&Client{}).contentToFilename(&animation)
	if filename != "animation.mp4" {
		t.Errorf("Wrong animation filename")
	}
}

func TestContentToFilenamePhoto(t *testing.T) {
	photo := client.MessagePhoto{
		Photo: &client.Photo{
			Sizes: []*client.PhotoSize{
				&client.PhotoSize{
					Photo: &client.File{},
				},
				&client.PhotoSize{
					Photo: &client.File{
						Id: 56,
					},
				},
			},
		},
	}
	_, filename := (&Client{}).contentToFilename(&photo)
	if filename != "56.jpg" {
		t.Errorf("Wrong photo filename")
	}
}

func TestContentToFilenamePhotoNoSizes(t *testing.T) {
	photo := client.MessagePhoto{
		Photo: &client.Photo{
			Sizes: []*client.PhotoSize{},
		},
	}
	_, filename := (&Client{}).contentToFilename(&photo)
	if filename != "" {
		t.Errorf("Wrong filename of sizeless photo")
	}
}

func TestContentToFilenameAudio(t *testing.T) {
	audio := client.MessageAudio{
		Audio: &client.Audio{
			FileName: "swine.mp3",
		},
	}
	_, filename := (&Client{}).contentToFilename(&audio)
	if filename != "swine.mp3" {
		t.Errorf("Not oinking, shame on you!")
	}
}

func TestContentToFilenameVideo(t *testing.T) {
	video := client.MessageVideo{
		Video: &client.Video{
			FileName: "swine.3gp",
		},
	}
	_, filename := (&Client{}).contentToFilename(&video)
	if filename != "swine.3gp" {
		t.Errorf("Not pigdancing, shame on you!")
	}
}

func TestContentToFilenameDocument(t *testing.T) {
	document := client.MessageDocument{
		Document: &client.Document{
			FileName: "swine.doc",
		},
	}
	_, filename := (&Client{}).contentToFilename(&document)
	if filename != "swine.doc" {
		t.Errorf("Not hoofstomping, shame on you!")
	}
}

func TestContentToFilenameUnknown(t *testing.T) {
	unknown := client.MessageExpiredPhoto{}
	_, filename := (&Client{}).contentToFilename(&unknown)
	if filename != "" {
		t.Errorf("Wrong filename of unknown content")
	}
}

func TestMessageToPrefix1(t *testing.T) {
	message := client.Message{
		Id:         42,
		IsOutgoing: true,
		ForwardInfo: &client.MessageForwardInfo{
			Origin: &client.MessageForwardOriginHiddenUser{
				SenderName: "ziz",
			},
		},
	}
	prefix := (&Client{}).messageToPrefix(&message, "")
	if prefix != "➡ 42 | fwd: anonymous (ziz)" {
		t.Errorf("Wrong prefix: %v", prefix)
	}
}

func TestMessageToPrefix2(t *testing.T) {
	message := client.Message{
		Id: 56,
		ForwardInfo: &client.MessageForwardInfo{
			Origin: &client.MessageForwardOriginChannel{
				AuthorSignature: "zaz",
			},
		},
	}
	prefix := (&Client{}).messageToPrefix(&message, "")
	if prefix != "⬅ 56 | fwd:  (zaz)" {
		t.Errorf("Wrong prefix: %v", prefix)
	}
}

func TestMessageToPrefix3(t *testing.T) {
	message := client.Message{
		Id: 56,
		ForwardInfo: &client.MessageForwardInfo{
			Origin: &client.MessageForwardOriginChannel{},
		},
	}
	prefix := (&Client{}).messageToPrefix(&message, "a.jpg")
	if prefix != "⬅ 56 | fwd:  | file: a.jpg" {
		t.Errorf("Wrong prefix: %v", prefix)
	}
}

func TestMessageToPrefix4(t *testing.T) {
	message := client.Message{
		Id:         23,
		IsOutgoing: true,
	}
	prefix := (&Client{}).messageToPrefix(&message, "")
	if prefix != "➡ 23" {
		t.Errorf("Wrong prefix: %v", prefix)
	}
}