(function() {
    // ====== CONFIG ======
    const API_URL = "https://snugly.cloud/services/aiexpert/api/";
     //const AGENT_ID = "AGENT_ID_HERE"; // Replace or inject dynamically

    const currentScript = document.currentScript;

    // Read the custom attribute
    const AGENT_ID = currentScript.getAttribute('data-agent-id');
    // ====== SESSION HANDLING ======
    let sessionId = localStorage.getItem("myai_expert_session");
    if (!sessionId) {
        sessionId = (crypto.randomUUID && crypto.randomUUID()) || 'sess-' + Math.random().toString(36).substr(2, 9);
        localStorage.setItem("myai_expert_session", sessionId);
    }
    var currentcol = currentScript.getAttribute('data-color');
    var currentpos = currentScript.getAttribute('data-pos');
    if (!currentcol) currentcol="#4A90E2";
    if (!currentpos) currentpos="br";
    var poscode='';
    if (currentpos=='br') {
        poscode='bottom: 20px; right: 20px;';
    }
    if (currentpos=='bl') {
        poscode='bottom: 20px; left: 20px;';
    }
    if (currentpos=='bm') {
        poscode='bottom: 20px; left: 50%;';
    }
    // ====== STYLES ======
    const style = document.createElement("style");
    style.innerHTML = `
    .myai-messages {
        background-color: #eee!important; color: black!important;
    }
    #myai-chat-button {
        position: fixed;
        ${poscode};
        background: #${currentcol};
        color: white;
        width: 60px;
        height: 60px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        font-size: 28px;
        z-index: 999999;
    }
    #myai-chat-popup {
        position: fixed;
        bottom: 90px;
        right: 20px;
        width: 320px;
        height: 420px;
        background: white;
        border-radius: 10px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        display: none;
        flex-direction: column;
        z-index: 999999;
    }
    #myai-chat-header {
        background: #${currentcol};
        color: white;
        padding: 10px;
        border-top-left-radius: 10px;
        border-top-right-radius: 10px;
        font-weight: bold;
        font-size: 16px;
    }
    #myai-chat-description {
        font-size: 12px;
        padding: 6px 10px;
        border-bottom: 1px solid #eee;
        color: #555;
    }
    #myai-chat-messages {
        flex: 1;
        overflow-y: auto;
        padding: 10px;
        font-size: 14px;
        display: flex;
        flex-direction: column;
        position: relative;
    }
    .myai-msg {
        margin-bottom: 10px;
        padding: 8px;
        border-radius: 6px;
        max-width: 85%;
        word-break: break-word;
        color: black!important;
    }
    .myai-msg.user {
        background: #DCF8C6;
        align-self: flex-end;
    }
    .myai-msg.bot {
        background: #EEE;
        align-self: flex-start;
    }
    #myai-chat-input {
        display: flex;
        border-top: 1px solid #ddd;
    }
    #myai-chat-input input {
        flex: 1;
        border: none;
        padding: 8px;
        font-size: 14px;
    }
    #myai-chat-input button {
        background: #${currentcol};
        border: none;
        color: white;
        padding: 0 12px;
        cursor: pointer;
    }
    `;
    document.head.appendChild(style);

    // ====== HTML ELEMENTS ======
    const button = document.createElement("div");
    button.id = "myai-chat-button";
    button.innerHTML = '<svg viewBox="0 0 24 24" WIDTH=40 fill="none" xmlns="http://www.w3.org/2000/svg"><g id="SVGRepo_bgCarrier" stroke-width="0"></g><g id="SVGRepo_tracerCarrier" stroke-linecap="round" stroke-linejoin="round"></g><g id="SVGRepo_iconCarrier"> <path fill-rule="evenodd" clip-rule="evenodd" d="M12 22C17.5228 22 22 17.5228 22 12C22 6.47715 17.5228 2 12 2C6.47715 2 2 6.47715 2 12C2 13.5997 2.37562 15.1116 3.04346 16.4525C3.22094 16.8088 3.28001 17.2161 3.17712 17.6006L2.58151 19.8267C2.32295 20.793 3.20701 21.677 4.17335 21.4185L6.39939 20.8229C6.78393 20.72 7.19121 20.7791 7.54753 20.9565C8.88837 21.6244 10.4003 22 12 22ZM8 13.25C7.58579 13.25 7.25 13.5858 7.25 14C7.25 14.4142 7.58579 14.75 8 14.75H13.5C13.9142 14.75 14.25 14.4142 14.25 14C14.25 13.5858 13.9142 13.25 13.5 13.25H8ZM7.25 10.5C7.25 10.0858 7.58579 9.75 8 9.75H16C16.4142 9.75 16.75 10.0858 16.75 10.5C16.75 10.9142 16.4142 11.25 16 11.25H8C7.58579 11.25 7.25 10.9142 7.25 10.5Z" fill="#ffffff"></path> </g></svg>';//"💬";

    const popup = document.createElement("div");
    popup.id = "myai-chat-popup";
    popup.innerHTML = `
        <div id="myai-chat-header">MyAI Expert</div>
        <div id="myai-chat-description"></div>
        <div id="myai-chat-messages"></div>
        <div id="myai-chat-input">
            <input type="text" placeholder="Type your message...">
            <button>Send</button>
        </div>
        <div style="position: absolute; left: 5px; bottom: 35px;  display:none;" id='loadingicon'><img src='https://snugly.cloud/services/aiexpert/share/loading.gif' width=24></div>
    `;

    document.body.appendChild(button);
    document.body.appendChild(popup);

    const headerEl = popup.querySelector("#myai-chat-header");
    const descEl = popup.querySelector("#myai-chat-description");
    const messagesEl = popup.querySelector("#myai-chat-messages");
    const inputEl = popup.querySelector("input");
    const sendBtn = popup.querySelector("button");
    const loadingicon = popup.querySelector("#loadingicon");

    let infoLoaded = false;

    // ====== EVENTS ======
    button.addEventListener("click", () => {
        if (!infoLoaded) {
            loadAgentInfo();
        }
        popup.style.display = popup.style.display === "flex" ? "none" : "flex";
    });

    sendBtn.addEventListener("click", sendMessage);
    inputEl.addEventListener("keypress", e => {
        if (e.key === "Enter") sendMessage();
    });

    function addMessage(text, sender,iserror='no') {
        const msg = document.createElement("div");
        msg.className = `myai-msg ${sender}`;
        if (iserror=='rederror') {
            msg.style.color='darkred';
        }
        msg.textContent = text;
        messagesEl.appendChild(msg);
        messagesEl.scrollTop = messagesEl.scrollHeight;
    }

    async function loadAgentInfo() {
        try {
            
            let options = {
                method: "POST",
                headers: {
                    "Content-Type": "application/json",
                    "Authorization": "Bearer " + AGENT_ID
                },
                body: JSON.stringify({
                    action: "getinfo",
                    sessionid: sessionId
                })
            };

            options.headers['Authorization'] = 'Bearer ' + AGENT_ID;
            console.log(options);
            const res = await fetch(API_URL, options);
            const data = await res.json();
            
            if (data.agent_name) headerEl.textContent = data.agent_name;
            if (data.agent_description) descEl.textContent = data.agent_description;
            
            messagesEl.innerHTML = "";
            
            if (data.chat_history && data.chat_history.length > 0) {
                data.chat_history.forEach(m => {
                    addMessage(m.text, m.sender); // m.sender should be "user" or "bot"
                });
            } else if (data.welcome_message) {
                addMessage(data.welcome_message, "bot");
            }

            infoLoaded = true;
        } catch (err) {
            console.error("Error loading agent info:", err);
            addMessage("[Error loading agent info]", "bot");
        }
    }

    async function sendMessage() {
        const text = inputEl.value.trim();
        if (!text) return;
        addMessage(text, "user");
        loadingicon.style.display='block';
        inputEl.value = "";

      let options = {
                method: "POST",
                headers: { "Content-Type": "application/json" },
                body: JSON.stringify({
                    sessionid: sessionId,
                    message: text
                })
            };

         options.headers['Authorization'] = 'Bearer ' + AGENT_ID;
        try {
            const res = await fetch(API_URL, options);
            const data = await res.json();
             if (data.reply_error=='yes') {
                addMessage(data.reply || "[No reply]", "bot","rederror");
            } else {
                addMessage(data.reply || "[No reply]", "bot");
            }
            loadingicon.style.display='none';
        } catch (err) {
            addMessage("[Error contacting server]", "bot");
        }
    }
})();