{% extends 'base.html' %}

{% block title %}AI Assistant - FinBot Vendor Portal{% endblock %}

{% block meta_description %}Chat with FinBot's AI Assistant. Ask questions about your vendor account, invoices, payments, and more.{% endblock %}

{% block nav_assistant %}active{% endblock %}

{% block page_title %}AI Assistant{% endblock %}
{% block page_subtitle %}Ask questions or request actions for your vendor account{% endblock %}

{% block header_actions %}
<button id="clear-chat-btn" class="vendor-btn quantum-secondary">
    <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/>
    </svg>
    Clear Chat
</button>
{% endblock %}

{% block content %}
<div class="chat-container">
    <div class="chat-messages" id="chat-messages">
        <div id="chat-welcome" class="chat-welcome">
            <div class="welcome-icon">
                <img src="{{ url_for('static', path='images/common/finbot.png') }}" alt="FinBot" class="w-16 h-16 rounded-full">
            </div>
            <h3 class="text-xl font-bold text-text-bright mt-4">Hi, I'm FinBot</h3>
            <p class="text-text-secondary mt-2 max-w-md mx-auto">
                I can help you check your vendor status, look up invoices, review payments, and more. What would you like to know?
            </p>
            <div class="flex flex-wrap justify-center gap-2 mt-6">
                <button class="suggestion-chip" data-message="What's my vendor status?">What's my vendor status?</button>
                <button class="suggestion-chip" data-message="Show me my recent invoices">Show me my recent invoices</button>
                <button class="suggestion-chip" data-message="What's my payment summary?">What's my payment summary?</button>
                <button class="suggestion-chip" data-message="Request a profile re-review">Request a profile re-review</button>
            </div>
        </div>
    </div>

    <div class="chat-input-area">
        <div id="chat-attach-chips" class="chat-attach-chips hidden"></div>
        <div class="chat-input-wrapper">
            <button id="chat-attach-btn" class="chat-attach-btn" title="Attach FinDrive file">
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15.172 7l-6.586 6.586a2 2 0 102.828 2.828l6.414-6.586a4 4 0 00-5.656-5.656l-6.415 6.585a6 6 0 108.486 8.486L20.5 13"/>
                </svg>
            </button>
            <textarea
                id="chat-input"
                placeholder="Ask FinBot anything..."
                rows="1"
                class="chat-input"
            ></textarea>
            <button id="chat-send" class="chat-send-btn" disabled>
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 19l9 2-9-18-9 18 9-2zm0 0v-8"/>
                </svg>
            </button>
        </div>
        <p class="text-xs text-text-secondary/50 mt-2 text-center">FinBot may produce inaccurate information. Verify important details.</p>
    </div>

    <!-- FinDrive Picker for Chat -->
    <div id="chat-picker-modal" class="fixed inset-0 bg-black/60 backdrop-blur-sm z-50 hidden flex items-center justify-center p-4">
        <div class="bg-portal-bg-secondary border border-vendor-primary/30 rounded-2xl shadow-2xl max-w-xl w-full max-h-[60vh] overflow-hidden">
            <div class="p-4 border-b border-vendor-primary/20 flex items-center justify-between">
                <h3 class="text-lg font-bold text-text-bright">Attach from FinDrive</h3>
                <button id="chat-picker-close" class="text-text-secondary hover:text-text-bright transition-colors">
                    <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
                    </svg>
                </button>
            </div>
            <div id="chat-picker-grid" class="p-4 overflow-y-auto max-h-[calc(60vh-110px)] grid grid-cols-3 sm:grid-cols-4 gap-3">
                <p class="col-span-full text-center text-text-secondary py-8">Loading files...</p>
            </div>
            <div class="p-3 border-t border-vendor-primary/20 flex justify-end">
                <button id="chat-picker-done" class="vendor-btn quantum-accent text-sm px-4 py-2">Attach</button>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_css %}
<style>
.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 180px);
    min-height: 400px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px 0;
    scroll-behavior: smooth;
}

.chat-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    min-height: 300px;
}

.welcome-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--vendor-primary), var(--vendor-secondary));
    padding: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.welcome-icon img {
    border-radius: 50%;
    background: var(--portal-bg-primary);
}

.suggestion-chip {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--vendor-primary);
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.2);
    cursor: pointer;
    transition: all 0.2s;
}

.suggestion-chip:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: rgba(0, 212, 255, 0.4);
    transform: translateY(-1px);
}

/* Message bubbles */
.msg-bubble {
    display: flex;
    gap: 12px;
    padding: 8px 0;
    max-width: 800px;
    margin: 0 auto;
    animation: msgFadeIn 0.3s ease-out;
}

@keyframes msgFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.msg-bubble.user {
    flex-direction: row-reverse;
}

.msg-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 4px;
}

.msg-avatar.assistant {
    background: linear-gradient(135deg, var(--vendor-primary), var(--vendor-secondary));
    padding: 2px;
    overflow: hidden;
}

.msg-avatar.assistant img {
    background: var(--portal-bg-primary);
}

.msg-avatar.user {
    background: linear-gradient(135deg, var(--vendor-accent), var(--vendor-primary));
    color: var(--portal-bg-primary);
}

.msg-content {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 600px;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.msg-bubble.assistant .msg-content {
    background: var(--portal-bg-secondary);
    color: var(--text-primary);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-top-left-radius: 4px;
}

.msg-bubble.user .msg-content {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(124, 58, 237, 0.15));
    color: var(--text-bright);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-top-right-radius: 4px;
}

.msg-bubble.system .msg-content {
    background: rgba(255, 184, 0, 0.08);
    color: var(--vendor-warning);
    border: 1px solid rgba(255, 184, 0, 0.15);
    font-size: 0.8rem;
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

/* Streaming cursor */
.streaming-cursor::after {
    content: '▋';
    animation: blink 0.8s infinite;
    color: var(--vendor-primary);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Thinking indicator — compact so the bubble stays slim */
.msg-content:has(.thinking-indicator) {
    padding: 6px 14px;
    line-height: 1.2;
}

.thinking-indicator {
    display: inline-flex;
    align-items: baseline;
    color: rgba(0, 212, 255, 0.55);
    font-size: 0.8rem;
}

.thinking-text {
    margin-right: 1px;
}

.thinking-dots span {
    animation: dot-bounce 1.4s infinite ease-in-out;
    display: inline-block;
}

.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dot-bounce {
    0%, 60%, 100% { opacity: 0.2; transform: translateY(0); }
    30% { opacity: 1; transform: translateY(-2px); }
}

/* Input area */
.chat-input-area {
    padding: 16px 0 8px;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    flex-shrink: 0;
}

.chat-input-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: 800px;
    margin: 0 auto;
    background: var(--portal-bg-secondary);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 24px;
    padding: 6px 6px 6px 20px;
    transition: border-color 0.2s;
    min-height: 48px;
}

.chat-input-wrapper:focus-within {
    border-color: var(--vendor-primary);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.chat-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-bright);
    font-size: 0.9rem;
    line-height: 1.5;
    resize: none;
    max-height: 120px;
    font-family: inherit;
    padding: 4px 0;
}

.chat-input::placeholder {
    color: var(--text-secondary);
}

.chat-send-btn {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--vendor-primary), var(--vendor-secondary));
    color: var(--portal-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    flex-shrink: 0;
}

.chat-send-btn:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.chat-send-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Attachment tags inside message bubbles */
.msg-attachments {
    display: flex; flex-wrap: wrap; gap: 4px;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.msg-attach-tag {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 2px 8px; border-radius: 4px;
    background: rgba(255,255,255,0.06);
    font-size: 11px; color: #cbd5e1;
}

/* Attach button */
.chat-attach-btn {
    width: 32px; height: 32px; border-radius: 8px;
    background: none; border: none;
    color: var(--text-secondary); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.15s; flex-shrink: 0;
}
.chat-attach-btn:hover { color: var(--vendor-primary); background: rgba(0,212,255,0.08); }

/* Attachment chips above input */
.chat-attach-chips {
    display: flex; flex-wrap: wrap; gap: 6px;
    max-width: 800px; margin: 0 auto 8px;
    padding: 0 20px;
}
.chat-chip {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 8px 3px 6px; border-radius: 6px;
    background: rgba(0,212,255,0.08); border: 1px solid rgba(0,212,255,0.2);
    font-size: 11px; color: #e2e8f0;
}
.chat-chip-x {
    background: none; border: none; color: #94a3b8; cursor: pointer;
    padding: 0; line-height: 1; font-size: 13px;
}
.chat-chip-x:hover { color: #f87171; }

/* Picker card (reused from invoice) */
.cpicker-card {
    display: flex; flex-direction: column; align-items: center;
    padding: 14px 8px 10px; border-radius: 8px;
    border: 2px solid transparent; cursor: pointer;
    transition: all 0.15s; user-select: none; text-align: center;
}
.cpicker-card:hover { background: rgba(0,212,255,0.04); border-color: rgba(0,212,255,0.1); }
.cpicker-card.selected { background: rgba(0,212,255,0.1); border-color: rgba(0,212,255,0.4); }
.cpicker-card-name {
    font-size: 11px; color: #e2e8f0; margin-top: 6px;
    word-break: break-word; line-height: 1.3;
    max-height: 2.6em; overflow: hidden;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}

/* Scrollbar */
.chat-messages::-webkit-scrollbar { width: 6px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
.chat-messages::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }
</style>
{% endblock %}

{% block extra_js %}
<script src="{{ url_for('static', path='js/vendor/assistant.js') }}"></script>
{% endblock %}