botui/ui/suite/chat/chat.html

<link rel="stylesheet" href="chat/chat.css" />

<div class="chat-layout" id="chat-app">
    <main id="messages"></main>

    <footer>
        <div class="suggestions-container" id="suggestions"></div>
        <div class="mention-dropdown" id="mentionDropdown">
            <div class="mention-header">
                <span class="mention-title" data-i18n="chat-mention-title"
                    >Reference Entity</span
                >
            </div>
            <div class="mention-results" id="mentionResults"></div>
        </div>
        <form class="input-container" id="chatForm">
            <input
                name="content"
                id="messageInput"
                type="text"
                placeholder="Message... (type @ to mention)"
                data-i18n-placeholder="chat-placeholder"
                autofocus
                autocomplete="off"
            />
            <button
                type="button"
                id="voiceBtn"
                title="Voice"
                data-i18n-title="chat-voice"
            >
                🎤
            </button>
            <button
                type="submit"
                id="sendBtn"
                title="Send"
                data-i18n-title="chat-send"
            >
                ↑
            </button>
        </form>
    </footer>
    <button class="scroll-to-bottom" id="scrollToBottom">↓</button>
</div>

<div class="entity-card-tooltip" id="entityCardTooltip">
    <div class="entity-card-header">
        <span class="entity-card-type"></span>
        <span class="entity-card-status"></span>
    </div>
    <div class="entity-card-title"></div>
    <div class="entity-card-details"></div>
    <div class="entity-card-actions">
        <button
            class="entity-card-btn"
            data-action="view"
            data-i18n="action-view"
        >
            View
        </button>
    </div>
</div>

<script>
    (function () {
        "use strict";

        function notify(message, type) {
            type = type || "info";
            if (window.GBAlerts) {
                if (type === "success") {
                    window.GBAlerts.info("Chat", message);
                } else if (type === "error") {
                    window.GBAlerts.warning("Chat", message);
                } else {
                    window.GBAlerts.info("Chat", message);
                }
            }
        }

        var WS_BASE_URL =
            window.location.protocol === "https:" ? "wss://" : "ws://";
        var WS_URL = WS_BASE_URL + window.location.host;

        var MessageType = {
            EXTERNAL: 0,
            USER: 1,
            BOT_RESPONSE: 2,
            CONTINUE: 3,
            SUGGESTION: 4,
            CONTEXT_CHANGE: 5,
        };

        var EntityTypes = {
            lead: { icon: "👤", color: "#4CAF50", label: "Lead", route: "crm" },
            opportunity: {
                icon: "💰",
                color: "#FF9800",
                label: "Opportunity",
                route: "crm",
            },
            account: {
                icon: "🏢",
                color: "#2196F3",
                label: "Account",
                route: "crm",
            },
            contact: {
                icon: "📇",
                color: "#9C27B0",
                label: "Contact",
                route: "crm",
            },
            invoice: {
                icon: "📄",
                color: "#F44336",
                label: "Invoice",
                route: "billing",
            },
            quote: {
                icon: "📋",
                color: "#607D8B",
                label: "Quote",
                route: "billing",
            },
            case: {
                icon: "🎫",
                color: "#E91E63",
                label: "Case",
                route: "tickets",
            },
            product: {
                icon: "📦",
                color: "#795548",
                label: "Product",
                route: "products",
            },
            service: {
                icon: "⚙️",
                color: "#00BCD4",
                label: "Service",
                route: "products",
            },
        };

        var ws = null;
        var currentSessionId = null;
        var currentUserId = null;
        var currentBotId = "default";
        var isStreaming = false;
        var streamingMessageId = null;
        var currentStreamingContent = "";
        var reconnectAttempts = 0;
        var maxReconnectAttempts = 5;

        var mentionState = {
            active: false,
            query: "",
            startPos: -1,
            selectedIndex: 0,
            results: [],
        };

        function escapeHtml(text) {
            var div = document.createElement("div");
            div.textContent = text;
            return div.innerHTML;
        }

        function renderMentionInMessage(content) {
            return content.replace(
                /@(\w+):([^\s]+)/g,
                function (match, type, name) {
                    var entityType = EntityTypes[type.toLowerCase()];
                    if (entityType) {
                        return (
                            '<span class="mention-tag" data-type="' +
                            type +
                            '" data-name="' +
                            escapeHtml(name) +
                            '">' +
                            '<span class="mention-icon">' +
                            entityType.icon +
                            "</span>" +
                            '<span class="mention-text">@' +
                            type +
                            ":" +
                            escapeHtml(name) +
                            "</span>" +
                            "</span>"
                        );
                    }
                    return match;
                },
            );
        }

        function addMessage(sender, content, msgId) {
            var messages = document.getElementById("messages");
            if (!messages) return;

            var div = document.createElement("div");
            div.className = "message " + sender;
            if (msgId) div.id = msgId;

            if (sender === "user") {
                var processedContent = renderMentionInMessage(
                    escapeHtml(content),
                );
                div.innerHTML =
                    '<div class="message-content user-message">' +
                    processedContent +
                    "</div>";
            } else {
                var parsed =
                    typeof marked !== "undefined" && marked.parse
                        ? marked.parse(content)
                        : escapeHtml(content);
                parsed = renderMentionInMessage(parsed);
                div.innerHTML =
                    '<div class="message-content bot-message">' +
                    parsed +
                    "</div>";
            }

            messages.appendChild(div);
            messages.scrollTop = messages.scrollHeight;

            setupMentionClickHandlers(div);
        }

        function setupMentionClickHandlers(container) {
            var mentions = container.querySelectorAll(".mention-tag");
            mentions.forEach(function (mention) {
                mention.addEventListener("click", function (e) {
                    e.preventDefault();
                    var type = this.getAttribute("data-type");
                    var name = this.getAttribute("data-name");
                    navigateToEntity(type, name);
                });

                mention.addEventListener("mouseenter", function (e) {
                    var type = this.getAttribute("data-type");
                    var name = this.getAttribute("data-name");
                    showEntityCard(type, name, e.target);
                });

                mention.addEventListener("mouseleave", function () {
                    hideEntityCard();
                });
            });
        }

        function navigateToEntity(type, name) {
            var entityType = EntityTypes[type.toLowerCase()];
            if (entityType) {
                var route = entityType.route;
                window.location.hash = "#" + route;

                var htmxLink = document.querySelector(
                    'a[data-section="' + route + '"]',
                );
                if (htmxLink) {
                    htmx.trigger(htmxLink, "click");
                }
            }
        }

        function showEntityCard(type, name, targetEl) {
            var card = document.getElementById("entityCardTooltip");
            var entityType = EntityTypes[type.toLowerCase()];
            if (!card || !entityType) return;

            card.querySelector(".entity-card-type").textContent =
                entityType.label;
            card.querySelector(".entity-card-type").style.background =
                entityType.color;
            card.querySelector(".entity-card-title").textContent =
                entityType.icon + " " + name;
            card.querySelector(".entity-card-status").textContent = "";
            card.querySelector(".entity-card-details").textContent =
                "Loading...";

            var rect = targetEl.getBoundingClientRect();
            card.style.left = rect.left + "px";
            card.style.top = rect.top - card.offsetHeight - 8 + "px";
            card.classList.add("visible");

            fetchEntityDetails(type, name).then(function (details) {
                if (card.classList.contains("visible")) {
                    card.querySelector(".entity-card-details").innerHTML =
                        details;
                }
            });
        }

        function hideEntityCard() {
            var card = document.getElementById("entityCardTooltip");
            if (card) {
                card.classList.remove("visible");
            }
        }

        function fetchEntityDetails(type, name) {
            return fetch(
                "/api/search/entity?type=" +
                    encodeURIComponent(type) +
                    "&name=" +
                    encodeURIComponent(name),
            )
                .then(function (r) {
                    return r.json();
                })
                .then(function (data) {
                    if (data && data.details) {
                        return data.details;
                    }
                    return "No additional details available";
                })
                .catch(function () {
                    return "Unable to load details";
                });
        }

        function showMentionDropdown() {
            var dropdown = document.getElementById("mentionDropdown");
            if (dropdown) {
                dropdown.classList.add("visible");
            }
        }

        function hideMentionDropdown() {
            var dropdown = document.getElementById("mentionDropdown");
            if (dropdown) {
                dropdown.classList.remove("visible");
            }
            mentionState.active = false;
            mentionState.query = "";
            mentionState.startPos = -1;
            mentionState.selectedIndex = 0;
            mentionState.results = [];
        }

        function searchEntities(query) {
            if (!query || query.length < 1) {
                var defaultResults = Object.keys(EntityTypes).map(
                    function (type) {
                        return {
                            type: type,
                            name: EntityTypes[type].label,
                            icon: EntityTypes[type].icon,
                            isTypeHint: true,
                        };
                    },
                );
                renderMentionResults(defaultResults);
                return;
            }

            var colonIndex = query.indexOf(":");
            if (colonIndex > 0) {
                var entityType = query.substring(0, colonIndex).toLowerCase();
                var searchTerm = query.substring(colonIndex + 1);

                if (EntityTypes[entityType]) {
                    fetchEntitiesOfType(entityType, searchTerm);
                    return;
                }
            }

            var filteredTypes = Object.keys(EntityTypes)
                .filter(function (type) {
                    return (
                        type.toLowerCase().indexOf(query.toLowerCase()) === 0 ||
                        EntityTypes[type].label
                            .toLowerCase()
                            .indexOf(query.toLowerCase()) === 0
                    );
                })
                .map(function (type) {
                    return {
                        type: type,
                        name: EntityTypes[type].label,
                        icon: EntityTypes[type].icon,
                        isTypeHint: true,
                    };
                });

            renderMentionResults(filteredTypes);
        }

        function fetchEntitiesOfType(type, searchTerm) {
            fetch(
                "/api/search/entities?type=" +
                    encodeURIComponent(type) +
                    "&q=" +
                    encodeURIComponent(searchTerm || ""),
            )
                .then(function (r) {
                    return r.json();
                })
                .then(function (data) {
                    var results = (data.results || []).map(function (item) {
                        return {
                            type: type,
                            name: item.name || item.title || item.number,
                            id: item.id,
                            icon: EntityTypes[type].icon,
                            subtitle: item.subtitle || item.status || "",
                            isTypeHint: false,
                        };
                    });

                    if (results.length === 0) {
                        results = [
                            {
                                type: type,
                                name: "No results for '" + searchTerm + "'",
                                icon: "❌",
                                isTypeHint: false,
                                disabled: true,
                            },
                        ];
                    }

                    renderMentionResults(results);
                })
                .catch(function () {
                    renderMentionResults([
                        {
                            type: type,
                            name: "Search unavailable",
                            icon: "⚠️",
                            isTypeHint: false,
                            disabled: true,
                        },
                    ]);
                });
        }

        function renderMentionResults(results) {
            var container = document.getElementById("mentionResults");
            if (!container) return;

            mentionState.results = results;
            mentionState.selectedIndex = 0;

            container.innerHTML = results
                .map(function (item, index) {
                    var classes = "mention-item";
                    if (index === mentionState.selectedIndex)
                        classes += " selected";
                    if (item.disabled) classes += " disabled";

                    var subtitle = item.subtitle
                        ? '<span class="mention-item-subtitle">' +
                          escapeHtml(item.subtitle) +
                          "</span>"
                        : "";
                    var hint = item.isTypeHint
                        ? '<span class="mention-item-hint">Type : to search</span>'
                        : "";

                    return (
                        '<div class="' +
                        classes +
                        '" data-index="' +
                        index +
                        '" data-type="' +
                        item.type +
                        '" data-name="' +
                        escapeHtml(item.name) +
                        '" data-is-type="' +
                        item.isTypeHint +
                        '">' +
                        '<span class="mention-item-icon">' +
                        item.icon +
                        "</span>" +
                        '<span class="mention-item-content">' +
                        '<span class="mention-item-name">' +
                        escapeHtml(item.name) +
                        "</span>" +
                        subtitle +
                        hint +
                        "</span>" +
                        "</div>"
                    );
                })
                .join("");

            container
                .querySelectorAll(".mention-item:not(.disabled)")
                .forEach(function (item) {
                    item.addEventListener("click", function () {
                        selectMentionItem(
                            parseInt(this.getAttribute("data-index")),
                        );
                    });
                });
        }

        function selectMentionItem(index) {
            var item = mentionState.results[index];
            if (!item || item.disabled) return;

            var input = document.getElementById("messageInput");
            if (!input) return;

            var value = input.value;
            var beforeMention = value.substring(0, mentionState.startPos);
            var afterMention = value.substring(input.selectionStart);

            var insertText;
            if (item.isTypeHint) {
                insertText = "@" + item.type + ":";
                mentionState.query = item.type + ":";
                mentionState.startPos = beforeMention.length;
                input.value = beforeMention + insertText + afterMention;
                input.setSelectionRange(
                    beforeMention.length + insertText.length,
                    beforeMention.length + insertText.length,
                );
                searchEntities(mentionState.query);
                return;
            } else {
                insertText = "@" + item.type + ":" + item.name + " ";
                input.value = beforeMention + insertText + afterMention;
                input.setSelectionRange(
                    beforeMention.length + insertText.length,
                    beforeMention.length + insertText.length,
                );
                hideMentionDropdown();
            }

            input.focus();
        }

        function updateMentionSelection(direction) {
            var enabledResults = mentionState.results.filter(function (r) {
                return !r.disabled;
            });
            if (enabledResults.length === 0) return;

            var currentEnabled = 0;
            for (var i = 0; i < mentionState.selectedIndex; i++) {
                if (!mentionState.results[i].disabled) currentEnabled++;
            }

            currentEnabled += direction;
            if (currentEnabled < 0) currentEnabled = enabledResults.length - 1;
            if (currentEnabled >= enabledResults.length) currentEnabled = 0;

            var newIndex = 0;
            var count = 0;
            for (var j = 0; j < mentionState.results.length; j++) {
                if (!mentionState.results[j].disabled) {
                    if (count === currentEnabled) {
                        newIndex = j;
                        break;
                    }
                    count++;
                }
            }

            mentionState.selectedIndex = newIndex;

            var items = document.querySelectorAll(
                "#mentionResults .mention-item",
            );
            items.forEach(function (item, idx) {
                item.classList.toggle("selected", idx === newIndex);
            });

            var selectedItem = document.querySelector(
                "#mentionResults .mention-item.selected",
            );
            if (selectedItem) {
                selectedItem.scrollIntoView({ block: "nearest" });
            }
        }

        function handleMentionInput(e) {
            var input = e.target;
            var value = input.value;
            var cursorPos = input.selectionStart;

            var textBeforeCursor = value.substring(0, cursorPos);
            var atIndex = textBeforeCursor.lastIndexOf("@");

            if (atIndex >= 0) {
                var charBeforeAt =
                    atIndex > 0 ? textBeforeCursor[atIndex - 1] : " ";
                if (charBeforeAt === " " || atIndex === 0) {
                    var query = textBeforeCursor.substring(atIndex + 1);

                    if (!query.includes(" ")) {
                        mentionState.active = true;
                        mentionState.startPos = atIndex;
                        mentionState.query = query;
                        showMentionDropdown();
                        searchEntities(query);
                        return;
                    }
                }
            }

            if (mentionState.active) {
                hideMentionDropdown();
            }
        }

        function handleMentionKeydown(e) {
            if (!mentionState.active) return false;

            if (e.key === "ArrowDown") {
                e.preventDefault();
                updateMentionSelection(1);
                return true;
            }
            if (e.key === "ArrowUp") {
                e.preventDefault();
                updateMentionSelection(-1);
                return true;
            }
            if (e.key === "Enter" || e.key === "Tab") {
                e.preventDefault();
                selectMentionItem(mentionState.selectedIndex);
                return true;
            }
            if (e.key === "Escape") {
                e.preventDefault();
                hideMentionDropdown();
                return true;
            }

            return false;
        }

        function updateStreaming(content) {
            var el = document.getElementById(streamingMessageId);
            if (el) {
                var parsed =
                    typeof marked !== "undefined" && marked.parse
                        ? marked.parse(content)
                        : escapeHtml(content);
                parsed = renderMentionInMessage(parsed);
                el.querySelector(".message-content").innerHTML = parsed;
            }
        }

        function finalizeStreaming() {
            var el = document.getElementById(streamingMessageId);
            if (el) {
                var parsed =
                    typeof marked !== "undefined" && marked.parse
                        ? marked.parse(currentStreamingContent)
                        : escapeHtml(currentStreamingContent);
                parsed = renderMentionInMessage(parsed);
                el.querySelector(".message-content").innerHTML = parsed;
                el.removeAttribute("id");
                setupMentionClickHandlers(el);
            }
            streamingMessageId = null;
            currentStreamingContent = "";
        }

        function processMessage(data) {
            if (data.is_complete) {
                if (isStreaming) {
                    finalizeStreaming();
                } else {
                    addMessage("bot", data.content);
                }
                isStreaming = false;
            } else {
                if (!isStreaming) {
                    isStreaming = true;
                    streamingMessageId = "streaming-" + Date.now();
                    currentStreamingContent = data.content || "";
                    addMessage(
                        "bot",
                        currentStreamingContent,
                        streamingMessageId,
                    );
                } else {
                    currentStreamingContent += data.content || "";
                    updateStreaming(currentStreamingContent);
                }
            }
        }

        function sendMessage() {
            var input = document.getElementById("messageInput");
            if (!input) {
                console.error("Chat input not found");
                return;
            }

            var content = input.value.trim();
            if (!content) {
                return;
            }

            hideMentionDropdown();
            addMessage("user", content);
            input.value = "";
            input.focus();

            if (ws && ws.readyState === WebSocket.OPEN) {
                ws.send(
                    JSON.stringify({
                        bot_id: currentBotId,
                        user_id: currentUserId,
                        session_id: currentSessionId,
                        channel: "web",
                        content: content,
                        message_type: MessageType.USER,
                        timestamp: new Date().toISOString(),
                    }),
                );
            } else {
                notify("Not connected to server. Message not sent.", "warning");
            }
        }

        window.sendMessage = sendMessage;

        function connectWebSocket() {
            if (ws) {
                ws.close();
            }

            var url =
                WS_URL +
                "/ws?session_id=" +
                currentSessionId +
                "&user_id=" +
                currentUserId;
            ws = new WebSocket(url);

            ws.onopen = function () {
                console.log("WebSocket connected");
                reconnectAttempts = 0;
            };

            ws.onmessage = function (event) {
                try {
                    var data = JSON.parse(event.data);
                    if (data.type === "connected") return;
                    if (data.message_type === MessageType.BOT_RESPONSE) {
                        processMessage(data);
                    }
                } catch (e) {
                    console.error("WS message error:", e);
                }
            };

            ws.onclose = function () {
                notify("Disconnected from chat server", "error");
                if (reconnectAttempts < maxReconnectAttempts) {
                    reconnectAttempts++;
                    setTimeout(connectWebSocket, 1000 * reconnectAttempts);
                }
            };

            ws.onerror = function (e) {
                console.error("WebSocket error:", e);
            };
        }

        function initChat() {
            var botName = "default";
            fetch("/api/auth?bot_name=" + encodeURIComponent(botName))
                .then(function (response) {
                    return response.json();
                })
                .then(function (auth) {
                    currentUserId = auth.user_id;
                    currentSessionId = auth.session_id;
                    currentBotId = auth.bot_id || "default";
                    console.log("Auth:", {
                        currentUserId: currentUserId,
                        currentSessionId: currentSessionId,
                        currentBotId: currentBotId,
                    });
                    connectWebSocket();
                })
                .catch(function (e) {
                    console.error("Auth failed:", e);
                    notify("Failed to connect to chat server", "error");
                    setTimeout(initChat, 3000);
                });
        }

        function setupEventHandlers() {
            var form = document.getElementById("chatForm");
            var input = document.getElementById("messageInput");
            var sendBtn = document.getElementById("sendBtn");

            if (form) {
                form.onsubmit = function (e) {
                    e.preventDefault();
                    sendMessage();
                    return false;
                };
            }

            if (input) {
                input.addEventListener("input", handleMentionInput);

                input.onkeydown = function (e) {
                    if (handleMentionKeydown(e)) {
                        return;
                    }
                    if (e.key === "Enter" && !e.shiftKey) {
                        e.preventDefault();
                        sendMessage();
                    }
                };
            }

            if (sendBtn) {
                sendBtn.onclick = function (e) {
                    e.preventDefault();
                    sendMessage();
                };
            }

            document.addEventListener("click", function (e) {
                if (
                    !e.target.closest("#mentionDropdown") &&
                    !e.target.closest("#messageInput")
                ) {
                    hideMentionDropdown();
                }
            });
        }

        setupEventHandlers();
        initChat();

        console.log("Chat module initialized with @ mentions support");
    })();
</script>