package main

// This file contains the function that generates message widgets depending on message stanza

import (
	"context"
	"encoding/base64"
	"fmt"
	"github.com/diamondburned/gotk4/pkg/gtk/v4"
	"github.com/google/uuid"
	"github.com/jacoblockett/sanitizefilename"
	"github.com/jasonlovesdoggo/gopen"
	"gosrc.io/xmpp/stanza"
	"mellium.im/xmpp/jid"
	"os"
	"path/filepath"
	"runtime"
)

func generatePresenceWidget(p stanza.Packet) gtk.Widgetter {
	presence, ok := p.(stanza.Presence)
	if !ok {
		return gtk.NewLabel("Unsupported message.")
	}

	if presence.Type == stanza.PresenceTypeUnavailable {
		var mu MucUser
		ok := presence.Get(&mu)
		if ok {
			if mu.MucUserItem.Affiliation == "outcast" {
				return gtk.NewLabel(jid.MustParse(presence.From).Resourcepart() + " has been banned!")
			}
		}

		return gtk.NewLabel(jid.MustParse(presence.From).Resourcepart() + " left the room")
	} else {
		return gtk.NewLabel(jid.MustParse(presence.From).Resourcepart() + " joined the room")
	}
}

func generateMessageWidget(p stanza.Packet) gtk.Widgetter {
	m, ok := p.(stanza.Message)
	if !ok {
		return gtk.NewLabel("Unsupported message.")
	}
	fmt.Println(m.Body)

	readmarker := Marker{}
	ok = m.Get(&readmarker)
	if ok {
		return nil
	}


	sid := StanzaID{}
	m.Get(&sid)

	mainBox := gtk.NewBox(gtk.OrientationVertical, 0)
	gesture := gtk.NewGestureClick()
	gesture.SetButton(3) // Right click

	vis := false
	reactions := gtk.NewBox(gtk.OrientationHorizontal, 0)
	reactions.SetVisible(false)

	reaction := []string{"👍", "👎", "♥️", "🤣", "😭"}
	for _, v := range reaction {
		like := gtk.NewButton()
		like.SetLabel(v)
		like.SetHExpand(true)
		like.ConnectClicked(func() {
			fmt.Println("licked")
			client.SendRaw(fmt.Sprintf(`
		<message from='%s' to='%s' id='%s' type='%s'>
		<reactions id='%s' xmlns='urn:xmpp:reactions:0'>
		<reaction>%s</reaction>
		</reactions>
		</message>
		`, m.To, jid.MustParse(m.From).Bare().String(), uuid.New().String(), m.Type, sid.ID, v))
		})
		reactions.Append(like)
	}

	gesture.Connect("pressed", func(n_press, x, y int) {
		if !vis {
			vis = true
			reactions.SetVisible(true)
		} else {
			vis = false
			reactions.SetVisible(false)
		}
	})

	mainBox.AddController(gesture)

	reply := Reply{}
	ok = m.Get(&reply)
	if ok {
		replyBox := gtk.NewBox(gtk.OrientationHorizontal, 0)
		replyBox.Append(gtk.NewLabel("↱ " + jid.MustParse(reply.To).Resourcepart()))
		mainBox.Append(replyBox)
	}

	ocu := OccupantID{}

	m.Get(&ocu)

	authorBox := gtk.NewBox(gtk.OrientationHorizontal, 10)
	contentBox := gtk.NewBox(gtk.OrientationHorizontal, 0)
	// im := newImageFromPath("debug.png")

	// authorBox.Append(im)

	if m.Type == stanza.MessageTypeGroupchat {
		mo, _ := mucmembers.Load(jid.MustParse(m.From).Bare().String())
		mm := mo.(mucUnit)
		mmm := mm.Members
		mmmm, ok := mmm.Load(ocu.ID)
		if ok {
			pres := mmmm.(stanza.Presence)

			var vu VCardUpdate
			pres.Get(&vu)
			if vu.Photo != "" {
				im := getAvatar(m.From, vu.Photo)
				im.SetPixelSize(40)
				im.AddCSSClass("author_img")
				authorBox.Append(im)
			} else {
				im := newImageFromPath("debug.png")
				im.SetPixelSize(40)
				im.AddCSSClass("author_img")
				authorBox.Append(im)
			}
		} else {
			im := newImageFromPath("debug.png")
			im.SetPixelSize(40)
			im.AddCSSClass("author_img")
			authorBox.Append(im)
		}
	}

	al := gtk.NewLabel(jid.MustParse(m.From).Resourcepart())
	al.AddCSSClass("author")

	authorBox.Append(al)
	mlabel := gtk.NewLabel(m.Body)
	mlabel.SetWrap(true)
	mlabel.SetSelectable(true)
	mlabel.SetHAlign(gtk.AlignFill)

	contentBox.Append(mlabel)

	mainBox.Append(authorBox)
	mainBox.Append(contentBox)

	mainBox.Append(reactions)

	oob := stanza.OOB{}
	ok = m.Get(&oob)
	if ok {
		// media := newPictureFromWeb(oob.URL)
		// media.SetCanShrink(false)
		// mainBox.Append(media)
		// media.AddCSSClass("chat_image")
		mbtn := gtk.NewButtonWithLabel("🖼️")
		// mbtn.SetChild(newImageFromWeb(oob.URL))
		mbtn.ConnectClicked(func() {
			gopen.Open(oob.URL)
		})
		authorBox.Append(mbtn)
	}

	return mainBox
}

func getVAdjustment(scrolledWindow *gtk.ScrolledWindow) *gtk.Adjustment {
	val := scrolledWindow.ObjectProperty("vadjustment").(*gtk.Adjustment)
	return val
}

func getAvatar(j, hash string) *gtk.Image { // TODO: This function probably shouldn't be here, and should probably be in xmpp-helpers or somewhere similar.
	p, err := ensureCache()
	if err != nil {
		return newImageFromPath("debug.png")
	}

	if hash == "" {
		fmt.Println("Hash is nil!")
		return newImageFromPath("debug.png")
	}

	hash = filepath.Join(p, sanitizefilename.Sanitize(hash))

	_, err = os.ReadFile(hash)
	if err == nil {
		return newImageFromPath(hash)
	}

	iqResp, err := stanza.NewIQ(stanza.Attrs{
		Type: "get",
		From: clientroot.Session.BindJid,
		To:   j,
		Id:   "vc2",
		Lang: "en",
	})

	if err != nil {
		panic(err)
	}

	iqResp.Payload = &VCard{}

	ctx := context.TODO()
	mychan, err := client.SendIQ(ctx, iqResp)
	if err != nil {
		panic(err)
	}
	result := <-mychan
	card, ok := result.Payload.(*VCard)
	if !ok {
		return newImageFromPath("debug.png")
	}

	base64_data := card.Photo.Binval
	if card.Photo.Binval == "" || (card.Photo.Type == "image/svg+xml" && runtime.GOOS == "windows") {
		return newImageFromPath("debug.png")
	}

	data, err := base64.StdEncoding.DecodeString(base64_data)
	if err != nil {
		panic(err)
	}

	err = os.WriteFile(hash, data, 0644)
	if err != nil {
		panic(err)
	}

	return newImageFromPath(hash)
}