skillchain/chat.html at main · ASIF58/skillchain · GitHub

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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, viewport-fit=cover">
<meta name="theme-color" content="#0f172a">
<meta name="mobile-web-app-capable" content="yes">
<meta name="mobile-web-app-status-bar-style" content="black-translucent">
<title>Messages — SwapSkill</title>
<link rel="manifest" href="/manifest.json">
<script>
  if ('serviceWorker' in navigator) {
    navigator.serviceWorker.register('sw.js');
  }
</script>
<link rel="icon" type="image/png" href="logo.png">
<style>
:root {
  --primary: #3b82f6; --success: #22c55e; --danger: #ef4444; --warning: #f59e0b;
  --bg: #0f172a; --panel: #1e293b; --text: #f8fafc; --border: rgba(255, 255, 255, 0.1);
  --bubble-me: #2563eb; --bubble-them: #334155;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: system-ui, -apple-system, sans-serif; -webkit-tap-highlight-color: transparent; }

body {
  background: var(--bg); color: var(--text);
  height: 100dvh; /* Mobile browser friendly height */
  width: 100vw; display: flex; overflow: hidden;
  overscroll-behavior: none; /* Prevents pull-to-refresh on chat */
}

/* --- SIDEBAR (Chat List) --- */
.sidebar {
    width: 350px; background: var(--panel); border-right: 1px solid var(--border);
    display: flex; flex-direction: column; height: 100%; z-index: 20;
}
.sidebar-header {
    padding: 16px; background: rgba(0,0,0,0.2); border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    height: 60px;
}
.sidebar-header h2 { font-size: 18px; font-weight: 700; color: #fff; }
.home-btn {
    text-decoration: none; color: #94a3b8; font-size: 24px; padding: 10px;
    display: flex; align-items: center; justify-content: center;
}

.search-box { padding: 10px 16px; border-bottom: 1px solid var(--border); position: relative; }
.search-input {
    width: 100%; padding: 12px; border-radius: 12px; border: 1px solid var(--border);
    background: var(--bg); color: #fff; outline: none; font-size: 16px; /* Prevents auto-zoom */
}
.search-results {
    position: absolute; top: 100%; left: 0; width: 100%; background: var(--panel);
    border: 1px solid var(--border); max-height: 200px; overflow-y: auto; z-index: 50;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5); display: none;
}
.search-result-item {
    padding: 14px; border-bottom: 1px solid var(--border); cursor: pointer; display: flex; align-items: center; gap: 12px;
}
.search-result-item:active { background: var(--primary); }

.chat-list { flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch; }
.chat-item {
    padding: 14px 16px; display: flex; align-items: center; gap: 14px; cursor: pointer;
    border-bottom: 1px solid rgba(255,255,255,0.02); transition: 0.2s;
}
.chat-item:active { background: rgba(255,255,255,0.05); }
.chat-item.active { background: rgba(59,130,246,0.15); border-left: 4px solid var(--primary); }

.chat-avatar {
    width: 50px; height: 50px; border-radius: 50%; background: #475569;
    display: flex; align-items: center; justify-content: center;
    font-weight: bold; font-size: 20px; color: #fff; flex-shrink: 0; position: relative;
    overflow: hidden;
}
.chat-avatar img { width: 100%; height: 100%; object-fit: cover; }

.chat-info { flex: 1; min-width: 0; }
.chat-name { font-weight: 600; font-size: 16px; margin-bottom: 4px; color: #fff; display: flex; justify-content: space-between; }
.chat-time { font-size: 12px; color: #64748b; font-weight: 400; }
.chat-preview { font-size: 14px; color: #94a3b8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* --- MAIN AREA --- */
.main-area {
    flex: 1; display: flex; flex-direction: column; background: var(--bg); position: relative;
    background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 20px 20px;
}

.empty-state {
    flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #64748b;
    text-align: center; padding: 20px;
}
.empty-icon { font-size: 60px; margin-bottom: 20px; opacity: 0.5; }

/* Chat Header */
.chat-header {
    padding: 0 16px; background: var(--panel); border-bottom: 1px solid var(--border);
    display: none; align-items: center; justify-content: space-between;
    height: 60px; flex-shrink: 0;
}
.header-left { display: flex; align-items: center; gap: 12px; }
.back-btn {
    display: none; font-size: 24px; cursor: pointer; color: #fff;
    padding: 10px 10px 10px 0; /* Larger touch target */
}
.report-btn {
    background: rgba(239,68,68,0.1); color: #ef4444; border: 1px solid rgba(239,68,68,0.3);
    padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 600;
    transition: 0.2s; display: flex; align-items: center; gap: 6px;
}
.report-btn:active { background: #ef4444; color: white; }

/* Messages Area */
.messages-container {
    flex: 1; overflow-y: auto; padding: 16px; display: none; flex-direction: column; gap: 12px;
    -webkit-overflow-scrolling: touch;
}
.msg-bubble {
    max-width: 80%; padding: 10px 16px; border-radius: 16px; font-size: 15px; line-height: 1.4;
    position: relative; word-wrap: break-word; box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.msg-bubble.me { align-self: flex-end; background: var(--bubble-me); color: #fff; border-bottom-right-radius: 4px; }
.msg-bubble.them { align-self: flex-start; background: var(--bubble-them); color: #e2e8f0; border-bottom-left-radius: 4px; }
.msg-meta { font-size: 11px; opacity: 0.7; margin-top: 4px; text-align: right; display: block; }

/* Action Areas */
.action-area {
    padding: 12px 16px; background: var(--panel); border-top: 1px solid var(--border);
    display: none; align-items: center; justify-content: center; gap: 10px;
    min-height: 70px; flex-shrink: 0;
    padding-bottom: env(safe-area-inset-bottom);
}

.request-banner { flex-direction: column; text-align: center; gap: 15px; padding: 30px; }
.request-text { color: #94a3b8; font-size: 14px; margin-bottom: 10px; }
.btn-group { display: flex; gap: 15px; width: 100%; justify-content: center; }
.btn-accept { background: var(--success); color: white; border: none; padding: 12px 24px; border-radius: 10px; cursor: pointer; font-weight: 600; font-size: 14px; flex:1; max-width: 150px; }
.btn-block { background: var(--danger); color: white; border: none; padding: 12px 24px; border-radius: 10px; cursor: pointer; font-weight: 600; font-size: 14px; flex:1; max-width: 150px; }

.input-wrapper {
    flex: 1; background: rgba(0,0,0,0.3); border-radius: 24px; border: 1px solid var(--border);
    display: flex; align-items: center; padding: 4px 16px;
}
.chat-input { flex: 1; background: transparent; border: none; color: #fff; padding: 12px 0; outline: none; font-size: 16px; }
.send-btn {
    width: 44px; height: 44px; border-radius: 50%; background: var(--primary); border: none;
    color: #fff; font-size: 20px; cursor: pointer; margin-left: 8px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 10px rgba(59,130,246,0.3);
}
.send-btn:active { transform: scale(0.95); }

/* Modal */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.8); z-index: 100;
    display: none; align-items: center; justify-content: center;
    backdrop-filter: blur(5px);
}
.modal-box {
    background: #1e293b; border: 1px solid var(--border); width: 85%; max-width: 350px;
    padding: 24px; border-radius: 20px; box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.modal-title { color: white; font-size: 18px; margin-bottom: 15px; font-weight: bold; text-align: center; }
.modal-select {
    width: 100%; padding: 14px; background: rgba(0,0,0,0.3); border: 1px solid var(--border);
    color: white; border-radius: 12px; margin-bottom: 20px; font-size: 16px; outline: none;
}
.modal-actions { display: flex; gap: 12px; }
.btn-full { width: 100%; padding: 12px; border-radius: 10px; font-weight: 600; border: none; cursor: pointer; font-size: 14px; }

/* MOBILE RESPONSIVE LOGIC */
@media(max-width: 768px) {
    .sidebar { width: 100%; height: 100dvh; position: absolute; z-index: 10; }
    .main-area {
        width: 100%; height: 100dvh; position: absolute;
        transform: translateX(100%); transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        z-index: 30; background: var(--bg);
    }
    .main-area.active { transform: translateX(0); }
    .back-btn { display: block; }

    /* Fix for when keyboard opens */
    .messages-container { padding-bottom: 10px; }
}
</style>
</head>
<body>

<div class="sidebar">
    <div class="sidebar-header">
        <a href="dashboard.html" class="home-btn">←</a>
        <h2>Messages</h2>
        <div style="width:34px"></div> </div>

    <div class="search-box">
        <input type="text" id="userSearch" class="search-input" placeholder="Search users...">
        <div id="searchResults" class="search-results"></div>
    </div>

    <div class="chat-list" id="chatList">
        <div style="text-align:center; padding:30px; color:#64748b; font-size:14px;">Loading chats...</div>
    </div>
</div>

<div class="main-area" id="mainArea">

    <div class="chat-header" id="chatHeader">
        <div class="header-left">
            <span class="back-btn" id="mobileBackBtn">←</span>
            <div class="chat-avatar" id="headerAvatar"></div>
            <div>
                <div style="font-weight:700; font-size:16px; line-height: 1.2;" id="headerName">User</div>
                <div style="font-size:12px; color:#22c55e;" id="headerStatus"></div>
            </div>
        </div>
        <button class="report-btn" id="reportUserBtn">🚩</button>
    </div>

    <div class="empty-state" id="emptyState">
        <div class="empty-icon">💬</div>
        <h3>SwapSkill Chat</h3>
        <p style="padding: 0 40px; line-height: 1.5;">Select a conversation to start messaging.</p>
    </div>

    <div class="messages-container" id="messagesList"></div>

    <div class="action-area request-banner" id="pendingSender" style="display:none;">
        <div class="empty-icon">⏳</div>
        <div class="request-text">Request sent. Waiting for acceptance.</div>
    </div>

    <div class="action-area request-banner" id="pendingReceiver" style="display:none;">
        <div class="empty-icon">👋</div>
        <div style="font-weight:bold; font-size:16px; margin-bottom:5px;">New Chat Request</div>
        <div class="request-text">Do you want to chat with this user?</div>
        <div class="btn-group">
            <button class="btn-block" id="blockBtn">Block</button>
            <button class="btn-accept" id="acceptBtn">Accept</button>
        </div>
    </div>

    <div class="action-area" id="inputArea" style="display:none;">
        <div class="input-wrapper">
            <input type="text" class="chat-input" id="msgInput" placeholder="Message..." autocomplete="off">
        </div>
        <button class="send-btn" id="sendBtn">➤</button>
    </div>
</div>

<div class="modal-overlay" id="reportModal">
    <div class="modal-box">
        <div class="modal-title">Report User</div>
        <p style="color:#94a3b8; font-size:13px; margin-bottom:10px; text-align:center;">Select a reason for reporting:</p>
        <select id="reportReason" class="modal-select">
            <option value="Abusive Language">Abusive Language / Profanity</option>
            <option value="Spam">Spam or Scam</option>
            <option value="Harassment">Harassment</option>
            <option value="Inappropriate Content">Inappropriate Content</option>
            <option value="Other">Other</option>
        </select>
        <div class="modal-actions">
            <button class="btn-full" style="background:transparent; border:1px solid #64748b; color:#cbd5e1" onclick="document.getElementById('reportModal').style.display='none'">Cancel</button>
            <button class="btn-full" style="background:#ef4444; color:white;" id="submitReportBtn">Report</button>
        </div>
    </div>
</div>

<script type="module">
import { initializeApp } from "https://www.gstatic.com/firebasejs/12.3.0/firebase-app.js";
import { getAuth, onAuthStateChanged } from "https://www.gstatic.com/firebasejs/12.3.0/firebase-auth.js";
import { getFirestore, collection, query, where, getDocs, getDoc, onSnapshot, addDoc, doc, updateDoc, serverTimestamp, orderBy, limit } from "https://www.gstatic.com/firebasejs/12.3.0/firebase-firestore.js";

const app = initializeApp({
  apiKey: "AIzaSyDwrZVBhR0VSbkbiktvkOsW3iSYJ6PFJ9A",
  authDomain: "swapskill.web.app",
  projectId: "swapskill-6e456",
  storageBucket: "swapskill-6e456.firebasestorage.app",
  messagingSenderId: "692315602994",
  appId: "1:692315602994:web:65cd15b1eafe9d7d133c2b"
});

const auth = getAuth(app);
const db = getFirestore(app);

// --- 🚫 BAD WORDS LIST ---
const BAD_WORDS = [
    "abuse", "idiot", "stupid", "kill", "hate", "die", "scam",
    "ugly", "dumb", "trash", "fraud", "racist", "sex", "nude", "bitch", "fuck", "shit"
];

// VARS
let currentUser = null;
let currentChatId = null;
let currentChatData = null;
let otherUserId = null;
let unsubscribeMsg = null;

// DOM ELEMENTS
const chatList = document.getElementById('chatList');
const userSearch = document.getElementById('userSearch');
const searchResults = document.getElementById('searchResults');
const mainArea = document.getElementById('mainArea');
const emptyState = document.getElementById('emptyState');
const chatHeader = document.getElementById('chatHeader');
const messagesList = document.getElementById('messagesList');
const inputArea = document.getElementById('inputArea');
const pendingSender = document.getElementById('pendingSender');
const pendingReceiver = document.getElementById('pendingReceiver');
const msgInput = document.getElementById('msgInput');
const reportModal = document.getElementById('reportModal');

// AUTH LISTENER
onAuthStateChanged(auth, async user => {
    if(!user) return location.href = 'login.html';

    try {
        const userDoc = await getDoc(doc(db, "users", user.uid));
        if(userDoc.exists() && userDoc.data().isBanned) {
            window.location.href = "dashboard.html";
            return;
        }
    } catch (e) { console.error("Ban check failed", e); }

    currentUser = user;
    loadChatList();

    const urlParams = new URLSearchParams(window.location.search);
    const chatWith = urlParams.get('chatWith');
    const name = urlParams.get('name');
    if(chatWith && name) initChat(chatWith, decodeURIComponent(name));
});

// SEARCH
userSearch.addEventListener('input', async (e) => {
    const val = e.target.value.toLowerCase().trim();
    searchResults.style.display = 'none'; searchResults.innerHTML = '';
    if(val.length < 3) return;

    const q = query(collection(db, 'users'), where('username', '>=', val), where('username', '<=', val + '\uf8ff'), limit(5));
    const snap = await getDocs(q);
    if(!snap.empty) searchResults.style.display = 'block';
snap.forEach(d => {
    const u = d.data();
    // SKIP if I blocked them OR they blocked me
    if (myData.blockedUsers && myData.blockedUsers.includes(d.id)) return;
});
    snap.forEach(d => {
        if(d.id === currentUser.uid) return;
        const u = d.data();
        const div = document.createElement('div');
        div.className = 'search-result-item';
        div.innerHTML = `<div><b>${u.name}</b><br><span style="font-size:12px;color:#94a3b8">@${u.username}</span></div>`;
        div.onclick = () => {
            initChat(d.id, u.name, u.avatarUrl);
            userSearch.value = ''; searchResults.style.display = 'none';
        };
        searchResults.appendChild(div);
    });
});

// INIT CHAT
async function initChat(oId, oName, oAvatar) {
    const q = query(collection(db, 'chats'), where('users', 'array-contains', currentUser.uid));
    const snap = await getDocs(q);
    let foundId = null;
    snap.forEach(d => { if(d.data().users.includes(oId)) foundId = d.id; });

    if(foundId) {
        openChat(foundId, oName, oAvatar, oId);
    } else {
        const docRef = await addDoc(collection(db, 'chats'), {
            users: [currentUser.uid, oId],
            names: [currentUser.displayName || "User", oName],
            avatars: [currentUser.photoURL || "", oAvatar || ""],
            status: 'pending', requestedBy: currentUser.uid, createdAt: serverTimestamp(), lastMessage: "Chat request sent"
        });
        openChat(docRef.id, oName, oAvatar, oId);
    }
}

// LOAD LIST
function loadChatList() {
    const q = query(collection(db, 'chats'), where('users', 'array-contains', currentUser.uid), orderBy('updatedAt', 'desc'));
    onSnapshot(q, snap => {
        chatList.innerHTML = '';
        if(snap.empty) { chatList.innerHTML = `<div style="text-align:center;padding:30px;color:#64748b;font-size:14px;">No chats yet.</div>`; return; }

        snap.forEach(d => {
            const data = d.data();
            const myIdx = data.users.indexOf(currentUser.uid);
            const otherIdx = myIdx === 0 ? 1 : 0;
            const otherName = data.names[otherIdx];
            const otherAvatar = data.avatars[otherIdx];
            const otherId = data.users[otherIdx];

            const div = document.createElement('div');
            div.className = `chat-item ${currentChatId === d.id ? 'active' : ''}`;
            const avatarHtml = otherAvatar ? `<img src="${otherAvatar}">` : otherName.charAt(0);

            div.innerHTML = `<div class="chat-avatar">${avatarHtml}</div><div class="chat-info"><div class="chat-name">${otherName}</div><div class="chat-preview">${data.lastMessage || ""}</div></div>`;
            div.onclick = () => openChat(d.id, otherName, otherAvatar, otherId);
            chatList.appendChild(div);
        });
    });
}

// OPEN CHAT
function openChat(chatId, chatName, chatAvatar, chatUserId) {
    currentChatId = chatId;
    otherUserId = chatUserId;

    emptyState.style.display = 'none';
    chatHeader.style.display = 'flex';
    messagesList.style.display = 'flex';
    mainArea.classList.add('active');

    document.getElementById('headerName').textContent = chatName;
    document.getElementById('headerAvatar').innerHTML = chatAvatar ? `<img src="${chatAvatar}">` : chatName.charAt(0);

    const chatRef = doc(db, 'chats', chatId);
    onSnapshot(chatRef, (docSnap) => {
        if(!docSnap.exists()) return;
        currentChatData = docSnap.data();
        updateChatUIState();
    });

    if(unsubscribeMsg) unsubscribeMsg();
    const q = query(collection(db, 'chats', chatId, 'messages'), orderBy('createdAt', 'asc'));
    unsubscribeMsg = onSnapshot(q, snap => {
        messagesList.innerHTML = '';
        snap.forEach(d => {
            const m = d.data();
            const div = document.createElement('div');
            div.className = `msg-bubble ${m.senderId === currentUser.uid ? 'me' : 'them'}`;
            div.textContent = m.text;
            messagesList.appendChild(div);
        });
        messagesList.scrollTop = messagesList.scrollHeight;
    });
}

function updateChatUIState() {
    if(!currentChatData) return;
    inputArea.style.display = 'none';
    pendingSender.style.display = 'none';
    pendingReceiver.style.display = 'none';

    if (currentChatData.status === 'active') inputArea.style.display = 'flex';
    else if (currentChatData.status === 'pending') {
        if (currentChatData.requestedBy === currentUser.uid) pendingSender.style.display = 'flex';
        else pendingReceiver.style.display = 'flex';
    }
}

document.getElementById('acceptBtn').onclick = async () => {
    await updateDoc(doc(db, 'chats', currentChatId), { status: 'active' });
};

document.getElementById('blockBtn').onclick = async () => {
    if(confirm("Block user?")) await updateDoc(doc(db, 'chats', currentChatId), { status: 'blocked' });
};

document.getElementById('sendBtn').onclick = sendMessage;
msgInput.onkeypress = (e) => { if(e.key === 'Enter') sendMessage(); }

// --- SEND MESSAGE (WITH AUTO-BAN) ---
async function sendMessage() {
    const text = msgInput.value.trim();
    if(!text || !currentChatId) return;

    // Check Bad Words
    let isViolation = false;
    const lowerText = text.toLowerCase();
    for (const word of BAD_WORDS) {
        const reg = new RegExp(`\\b${word}\\b`, 'i');
        if (reg.test(lowerText)) { isViolation = true; break; }
    }

    if (isViolation) {
        await addDoc(collection(db, 'moderation_logs'), {
            userId: currentUser.uid,
            userName: currentUser.displayName || "Unknown",
            originalText: text,
            violationType: "Profanity/Hate Speech",
            chatId: currentChatId,
            timestamp: serverTimestamp()
        });
        await updateDoc(doc(db, 'users', currentUser.uid), {
            isBanned: true,
            banReason: "Automated Ban: Profanity detected in chat."
        });
        window.location.href = "dashboard.html";
        return;
    }

    // Send
    await addDoc(collection(db, 'chats', currentChatId, 'messages'), {
        text: text, senderId: currentUser.uid, createdAt: serverTimestamp()
    });
    await updateDoc(doc(db, 'chats', currentChatId), {
        lastMessage: text, updatedAt: serverTimestamp()
    });
    msgInput.value = '';
}

// --- REPORT ---
document.getElementById('reportUserBtn').onclick = () => {
    if(!otherUserId) return alert("Open a chat first.");
    reportModal.style.display = 'flex';
};

document.getElementById('submitReportBtn').onclick = async () => {
    const reason = document.getElementById('reportReason').value;
    await addDoc(collection(db, "userreport"), {
        senderId: currentUser.uid,
        email: currentUser.email,
        reportedUserId: otherUserId,
        category: reason,
        subject: "Chat Report",
        message: `User reported in Chat ID: ${currentChatId}`,
        createdAt: serverTimestamp()
    });
    alert("Report Submitted.");
    reportModal.style.display = 'none';
};

document.getElementById('mobileBackBtn').onclick = () => {
    mainArea.classList.remove('active');
    currentChatId = null;
    setTimeout(() => {
        emptyState.style.display = 'flex';
        chatHeader.style.display = 'none';
        messagesList.style.display = 'none';
        inputArea.style.display = 'none';
    }, 300); // Wait for transition
};
// Add this to your chat.html script
async function blockUser() {
    if (!currentChatId || !otherUserId) return;

    if (confirm("Are you sure you want to block this user? They won't be able to message you.")) {
        try {
            // 1. Add to MY blocked list
            await updateDoc(doc(db, 'users', currentUser.uid), {
                blockedUsers: arrayUnion(otherUserId)
            });

            // 2. Mark chat as blocked
            await updateDoc(doc(db, 'chats', currentChatId), {
                status: 'blocked',
                blockedBy: currentUser.uid
            });

            alert("User blocked.");
            location.reload(); // Refresh to hide them
        } catch (error) {
            console.error("Block error:", error);
            alert("Error blocking user.");
        }
    }
}

// Bind this to your block button
document.getElementById('blockBtn').onclick = blockUser;
</script>
</body>
</html>