{% extends "layout.html" %}

{% block content %}
<div class="invitations-container">
    <!-- Header Section -->
    <div class="page-header">
        <div class="header-content">
            <div class="header-left">
                <h1 class="page-title">
                    <span class="page-icon">📨</span>
                    Invitations
                </h1>
                <p class="page-subtitle">Manage team invitations for {{ g.user.company.name }}</p>
            </div>
            <div class="header-actions">
                <a href="{{ url_for('invitations.send_invitation') }}" class="btn btn-primary">
                    <span class="icon">+</span>
                    Send New Invitation
                </a>
            </div>
        </div>
    </div>

    <!-- Statistics -->
    <div class="stats-section">
        <div class="stat-card">
            <div class="stat-value">{{ pending_invitations|length }}</div>
            <div class="stat-label">Pending</div>
        </div>
        <div class="stat-card">
            <div class="stat-value">{{ accepted_invitations|length }}</div>
            <div class="stat-label">Accepted</div>
        </div>
        <div class="stat-card">
            <div class="stat-value">{{ expired_invitations|length }}</div>
            <div class="stat-label">Expired</div>
        </div>
        <div class="stat-card">
            <div class="stat-value">{{ (pending_invitations|length + accepted_invitations|length + expired_invitations|length) }}</div>
            <div class="stat-label">Total Sent</div>
        </div>
    </div>

    <!-- Pending Invitations -->
    {% if pending_invitations %}
    <div class="section">
        <h2 class="section-title">
            <span class="icon">⏳</span>
            Pending Invitations
        </h2>
        <div class="invitations-list">
            {% for invitation in pending_invitations %}
            <div class="invitation-card pending">
                <div class="invitation-header">
                    <div class="invitation-info">
                        <h3 class="invitation-email">{{ invitation.email }}</h3>
                        <div class="invitation-meta">
                            <span class="meta-item">
                                <span class="icon">👤</span>
                                Role: {{ invitation.role }}
                            </span>
                            <span class="meta-item">
                                <span class="icon">📅</span>
                                Sent {{ invitation.created_at.strftime('%b %d, %Y') }}
                            </span>
                            <span class="meta-item">
                                <span class="icon">⏰</span>
                                Expires {{ invitation.expires_at.strftime('%b %d, %Y') }}
                            </span>
                        </div>
                    </div>
                    <div class="invitation-actions">
                        <form method="POST" action="{{ url_for('invitations.resend_invitation', invitation_id=invitation.id) }}" style="display: inline;">
                            <button type="submit" class="btn btn-sm btn-secondary">
                                <span class="icon">🔄</span>
                                Resend
                            </button>
                        </form>
                        <form method="POST" action="{{ url_for('invitations.revoke_invitation', invitation_id=invitation.id) }}" style="display: inline;">
                            <button type="submit" class="btn btn-sm btn-danger" onclick="return confirm('Are you sure you want to revoke this invitation?');">
                                <span class="icon">❌</span>
                                Revoke
                            </button>
                        </form>
                    </div>
                </div>
                <div class="invitation-footer">
                    <span class="footer-text">Invited by {{ invitation.invited_by.username }}</span>
                </div>
            </div>
            {% endfor %}
        </div>
    </div>
    {% endif %}

    <!-- Accepted Invitations -->
    {% if accepted_invitations %}
    <div class="section">
        <h2 class="section-title">
            <span class="icon">✅</span>
            Accepted Invitations
        </h2>
        <div class="invitations-list">
            {% for invitation in accepted_invitations %}
            <div class="invitation-card accepted">
                <div class="invitation-header">
                    <div class="invitation-info">
                        <h3 class="invitation-email">{{ invitation.email }}</h3>
                        <div class="invitation-meta">
                            <span class="meta-item">
                                <span class="icon">👤</span>
                                Joined as: {{ invitation.accepted_by.username }} ({{ invitation.role }})
                            </span>
                            <span class="meta-item">
                                <span class="icon">📅</span>
                                Accepted {{ invitation.accepted_at.strftime('%b %d, %Y') }}
                            </span>
                        </div>
                    </div>
                    <div class="invitation-actions">
                        <a href="{{ url_for('users.view_user', user_id=invitation.accepted_by.id) }}" class="btn btn-sm btn-secondary">
                            <span class="icon">👁️</span>
                            View User
                        </a>
                    </div>
                </div>
                <div class="invitation-footer">
                    <span class="footer-text">Invited by {{ invitation.invited_by.username }}</span>
                </div>
            </div>
            {% endfor %}
        </div>
    </div>
    {% endif %}

    <!-- Expired Invitations -->
    {% if expired_invitations %}
    <div class="section">
        <h2 class="section-title">
            <span class="icon">⏱️</span>
            Expired Invitations
        </h2>
        <div class="invitations-list">
            {% for invitation in expired_invitations %}
            <div class="invitation-card expired">
                <div class="invitation-header">
                    <div class="invitation-info">
                        <h3 class="invitation-email">{{ invitation.email }}</h3>
                        <div class="invitation-meta">
                            <span class="meta-item">
                                <span class="icon">👤</span>
                                Role: {{ invitation.role }}
                            </span>
                            <span class="meta-item">
                                <span class="icon">📅</span>
                                Expired {{ invitation.expires_at.strftime('%b %d, %Y') }}
                            </span>
                        </div>
                    </div>
                    <div class="invitation-actions">
                        <form method="POST" action="{{ url_for('invitations.resend_invitation', invitation_id=invitation.id) }}" style="display: inline;">
                            <button type="submit" class="btn btn-sm btn-primary">
                                <span class="icon">📤</span>
                                Send New Invitation
                            </button>
                        </form>
                    </div>
                </div>
                <div class="invitation-footer">
                    <span class="footer-text">Originally invited by {{ invitation.invited_by.username }}</span>
                </div>
            </div>
            {% endfor %}
        </div>
    </div>
    {% endif %}

    <!-- Empty State -->
    {% if not pending_invitations and not accepted_invitations and not expired_invitations %}
    <div class="empty-state">
        <div class="empty-icon">📨</div>
        <h3>No invitations yet</h3>
        <p>Start building your team by sending invitations</p>
        <a href="{{ url_for('invitations.send_invitation') }}" class="btn btn-primary">
            <span class="icon">+</span>
            Send First Invitation
        </a>
    </div>
    {% endif %}
</div>

<style>
.invitations-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header styles - reuse from other pages */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 2rem;
    color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-icon {
    font-size: 2.5rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.page-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0.5rem 0 0 0;
}

/* Stats section */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #e5e7eb;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #667eea;
}

.stat-label {
    font-size: 0.9rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* Sections */
.section {
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Invitation cards */
.invitations-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.invitation-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid #e5e7eb;
    overflow: hidden;
    transition: all 0.3s ease;
}

.invitation-card.pending {
    border-left: 4px solid #f59e0b;
}

.invitation-card.accepted {
    border-left: 4px solid #10b981;
}

.invitation-card.expired {
    border-left: 4px solid #ef4444;
}

.invitation-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.invitation-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.invitation-email {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin: 0 0 0.5rem 0;
}

.invitation-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: #6b7280;
}

.invitation-actions {
    display: flex;
    gap: 0.5rem;
}

.invitation-footer {
    background: #f8f9fa;
    padding: 0.75rem 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.footer-text {
    font-size: 0.875rem;
    color: #6b7280;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: white;
    color: #4b5563;
    border: 2px solid #e5e7eb;
}

.btn-secondary:hover {
    background: #f3f4f6;
}

.btn-danger {
    background: #ef4444;
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: #6b7280;
    margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .invitations-container {
        padding: 1rem;
    }
    
    .invitation-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .invitation-actions {
        width: 100%;
        justify-content: flex-start;
    }
    
    .meta-item {
        font-size: 0.8rem;
    }
}
</style>
{% endblock %}