import Initialize from "./initialize.js";
import Chat from "./chat.js";
import RenderSymbols from "./renderSymbols.js";
class UIManager{
    constructor(){
        this.initializer = new Initialize(this);
        this.chat = new Chat(this);
        this.renderSymbols = new RenderSymbols();
        this.menu = document.getElementById('menu');
        this.hamburger = document.getElementById('hamburger');
        this.messagesDiv = document.getElementById('messages');
        this.container = document.getElementById('container')
        this.prevChatsCont = document.getElementById('prevChatsCont'); 
        this.textBox = document.getElementById('textBox');
        this.sendBtn = document.getElementById('sendBtn');
        this.newChat = document.getElementById('newChat');
        this.models = document.getElementById('models');
        this.initialized = false;
        this.webSearchBtn = document.getElementById('webSearch');
        this.webSearch = false;
        this.aiDiv;
        this.userDiv;
        this.aiP;
        this.userP;
        this.imageMode = false;
        this.dialog = null;
    }
    async run(){
        await this.initializer.initialize();
        this.handleTextBoxHeight();
        this.events();
    }
    events(){
        this.sendBtn.addEventListener('click',()=>{
            this.send();
        })
        window.addEventListener('keydown',(e)=>{
            if (e.key === '/' && document.activeElement === this.textBox) {
                e.preventDefault();
                this.showDialog();
            }

            if(e.key=='Enter' && !this.sendBtn.disabled){
                this.send();
            }
        })
        this.newChat.addEventListener('click', async ()=>{
            await this.initializer.initialize();
        })
        this.webSearchBtn.addEventListener('click', ()=>{
            if(this.webSearch){
                this.webSearchBtn.style.color = 'white';
            } else{
                this.webSearchBtn.style.color = 'rgba(30,30,250,0.8)';
            }
            this.webSearch = !this.webSearch;
            
        })
        document.getElementById('closeAlert').onclick = ()=>{
            document.getElementById('alert').style.display = 'none'
        }
    }

    showDialog() {
        if (this.dialog) {
            this.dialog.remove();
            this.dialog = null;
            return;
        }
        this.dialog = document.createElement('div');
        this.dialog.style.position = 'absolute';
        this.dialog.style.top = `${this.textBox.offsetTop - 100}px`;
        this.dialog.style.left = `${this.textBox.offsetLeft}px`;
        this.dialog.style.backgroundColor = 'white';
        this.dialog.style.border = '1px solid black';
        this.dialog.style.padding = '10px';
        this.dialog.style.zIndex = '1000';
        this.dialog.innerHTML = `
            <button id="dialogImage">Image</button>
            <button id="dialogSearch">Search</button>
        `;
        document.body.appendChild(this.dialog);

        document.getElementById('dialogImage').addEventListener('click', () => {
            this.imageMode = true;
            this.textBox.value = "/image ";
            this.dialog.remove();
            this.dialog = null;

        });

        document.getElementById('dialogSearch').addEventListener('click', () => {
            this.webSearch = true;
            this.webSearchBtn.style.color = 'rgba(30,30,250,0.8)';
            this.textBox.value = "/search ";
            this.dialog.remove();
            this.dialog = null;
        });
    }



    async send(){
        let promptText = this.textBox.value;
        let imageBase64 = null;

        if (this.imageMode) {
            const file = await this.getImageFile();
            if (file) {
                imageBase64 = await this.getBase64(file);
            }
            promptText = promptText.replace(/^\/image\s*/, '');
            this.imageMode = false;
        }

        this.appendUserMsg(promptText, imageBase64);
        this.appendAiMsg();


        await this.chat.chat();
    }


    async getImageFile() {
        return new Promise(resolve => {
            const input = document.createElement('input');
            input.type = 'file';
            input.accept = 'image/*';
            input.onchange = e => {
                const file = e.target.files[0];
                resolve(file);
            };
            input.click();
        });
    }

    async getBase64(file) {
        return new Promise((resolve, reject) => {
            const reader = new FileReader();
            reader.readAsDataURL(file);
            reader.onload = () => resolve(reader.result);
            reader.onerror = error => reject(error);
        });
    }


    appendUserMsg(msg=false, imageBase64 = null){
        this.userDiv = document.createElement('div');
        this.userDiv.className = 'user';
        this.userP = document.createElement('p');
        if(msg){
            this.userP.innerText = msg;
        } else{
            this.userP.innerText = this.textBox.value;
        }

        if (imageBase64) {
            const img = document.createElement('img');
            img.src = imageBase64;
            img.style.maxWidth = '100%';
            img.style.height = 'auto';
            this.userDiv.appendChild(img);
        }

        this.userDiv.appendChild(this.userP);
        this.messagesDiv.appendChild(this.userDiv);
    }
    appendAiMsg(msg=false){
        this.aiDiv = document.createElement('div');
        this.aiDiv.className = 'ai';
        this.aiP = document.createElement('p');
        if(msg){
            this.aiP.innerText=msg;
        }
        this.aiDiv.appendChild(this.aiP);
        this.messagesDiv.appendChild(this.aiDiv);
    }
    handleTextBoxHeight() {
        this.textBox.oninput = () => {
            this.textBox.style.height = 'auto';
            if (this.textBox.scrollHeight <= 150) {
                if(this.textBox.scrollHeight>60){
                    this.textBox.style.height = `${this.textBox.scrollHeight}px`;
                }
            } else {
                this.textBox.style.height = '150px';
            }
        };
    }
    addChat(){
        const prevChat = document.createElement('div');
        prevChat.innerText = this.initializer.convTitle;
        prevChat.className = 'prevChat';
        prevChat.id = this.initializer.convId;
        this.prevChatsCont.prepend(prevChat);
        prevChat.style.backgroundColor = 'rgb(53, 53, 53)';
        prevChat.addEventListener('click', ()=>{
            this.initializer.reInitialize(prevChat.id);
        })
    }
}
export default UIManager