{% extends "shared/frontend/base.html" %}

{% block title %}Indstillinger - BMC Hub{% endblock %}

{% block extra_css %}
<style>
    .settings-nav {
        position: sticky;
        top: 100px;
    }
    
    .settings-nav .nav-link {
        color: var(--text-secondary);
        padding: 0.75rem 1rem;
        border-radius: 8px;
        margin-bottom: 0.5rem;
        transition: all 0.2s;
        border-left: 3px solid transparent;
    }
    
    .settings-nav .nav-link:hover,
    .settings-nav .nav-link.active {
        background: var(--accent-light);
        color: var(--accent);
        border-left-color: var(--accent);
    }
    
    .setting-group {
        margin-bottom: 2rem;
    }
    
    .setting-item {
        padding: 1.25rem;
        border-bottom: 1px solid rgba(0,0,0,0.05);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .setting-item:last-child {
        border-bottom: none;
    }
    
    .setting-info h6 {
        margin-bottom: 0.25rem;
        font-weight: 600;
    }
    
    .setting-info small {
        color: var(--text-secondary);
    }
    
    .user-avatar {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--accent-light);
        color: var(--accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: bold;
    }
</style>
{% endblock %}

{% block content %}
<div class="d-flex justify-content-between align-items-center mb-5">
    <div>
        <h2 class="fw-bold mb-1">Indstillinger</h2>
        <p class="text-muted mb-0">System konfiguration og brugerstyring</p>
    </div>
</div>

<div class="row">
    <!-- Vertical Navigation -->
    <div class="col-lg-2">
        <div class="settings-nav">
            <nav class="nav flex-column">
                <a class="nav-link active" href="#company" data-tab="company">
                    <i class="bi bi-building me-2"></i>Firma
                </a>
                <a class="nav-link" href="#integrations" data-tab="integrations">
                    <i class="bi bi-plugin me-2"></i>Integrationer
                </a>
                <a class="nav-link" href="#notifications" data-tab="notifications">
                    <i class="bi bi-bell me-2"></i>Notifikationer
                </a>
                <a class="nav-link" href="#users" data-tab="users">
                    <i class="bi bi-people me-2"></i>Brugere
                </a>
                <a class="nav-link" href="#system" data-tab="system">
                    <i class="bi bi-gear me-2"></i>System
                </a>
            </nav>
        </div>
    </div>

    <!-- Content Area -->
    <div class="col-lg-10">
        <div class="tab-content">
            <!-- Company Settings -->
            <div class="tab-pane fade show active" id="company">
                <div class="card p-4">
                    <h5 class="mb-4 fw-bold">Firma Oplysninger</h5>
                    <div id="companySettings">
                        <div class="text-center py-5">
                            <div class="spinner-border text-primary" role="status"></div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Integrations -->
            <div class="tab-pane fade" id="integrations">
                <div class="card p-4 mb-4">
                    <h5 class="mb-4 fw-bold">vTiger CRM</h5>
                    <div id="vtigerSettings">
                        <div class="text-center py-5">
                            <div class="spinner-border text-primary" role="status"></div>
                        </div>
                    </div>
                </div>
                
                <div class="card p-4">
                    <h5 class="mb-4 fw-bold">e-conomic</h5>
                    <div id="economicSettings">
                        <div class="text-center py-5">
                            <div class="spinner-border text-primary" role="status"></div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Notifications -->
            <div class="tab-pane fade" id="notifications">
                <div class="card p-4">
                    <h5 class="mb-4 fw-bold">Notifikation Indstillinger</h5>
                    <div id="notificationSettings">
                        <div class="text-center py-5">
                            <div class="spinner-border text-primary" role="status"></div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Users -->
            <div class="tab-pane fade" id="users">
                <div class="card p-4">
                    <div class="d-flex justify-content-between align-items-center mb-4">
                        <h5 class="mb-0 fw-bold">Brugerstyring</h5>
                        <button class="btn btn-primary" onclick="showCreateUserModal()">
                            <i class="bi bi-plus-lg me-2"></i>Opret Bruger
                        </button>
                    </div>
                    <div class="table-responsive">
                        <table class="table table-hover align-middle">
                            <thead>
                                <tr>
                                    <th>Bruger</th>
                                    <th>Email</th>
                                    <th>Status</th>
                                    <th>Sidst Login</th>
                                    <th>Oprettet</th>
                                    <th class="text-end">Handlinger</th>
                                </tr>
                            </thead>
                            <tbody id="usersTableBody">
                                <tr>
                                    <td colspan="6" class="text-center py-5">
                                        <div class="spinner-border text-primary" role="status"></div>
                                    </td>
                                </tr>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>

            <!-- System Settings -->
            <div class="tab-pane fade" id="system">
                <div class="card p-4">
                    <h5 class="mb-4 fw-bold">System Indstillinger</h5>
                    <div id="systemSettings">
                        <div class="text-center py-5">
                            <div class="spinner-border text-primary" role="status"></div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Create User Modal -->
<div class="modal fade" id="createUserModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Opret Ny Bruger</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <form id="createUserForm">
                    <div class="mb-3">
                        <label class="form-label">Brugernavn *</label>
                        <input type="text" class="form-control" id="newUsername" required>
                    </div>
                    <div class="mb-3">
                        <label class="form-label">Email *</label>
                        <input type="email" class="form-control" id="newEmail" required>
                    </div>
                    <div class="mb-3">
                        <label class="form-label">Fulde Navn</label>
                        <input type="text" class="form-control" id="newFullName">
                    </div>
                    <div class="mb-3">
                        <label class="form-label">Adgangskode *</label>
                        <input type="password" class="form-control" id="newPassword" required>
                    </div>
                </form>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Annuller</button>
                <button type="button" class="btn btn-primary" onclick="createUser()">Opret Bruger</button>
            </div>
        </div>
    </div>
</div>

{% endblock %}

{% block extra_js %}
<script>
let allSettings = [];

async function loadSettings() {
    try {
        const response = await fetch('/api/v1/settings');
        allSettings = await response.json();
        displaySettingsByCategory();
    } catch (error) {
        console.error('Error loading settings:', error);
    }
}

function displaySettingsByCategory() {
    const categories = {
        company: ['company_name', 'company_cvr', 'company_email', 'company_phone', 'company_address'],
        integrations: ['vtiger_enabled', 'vtiger_url', 'vtiger_username', 'economic_enabled', 'economic_app_secret', 'economic_agreement_token'],
        notifications: ['email_notifications'],
        system: ['system_timezone']
    };
    
    // Company settings
    displaySettings('companySettings', categories.company);
    
    // vTiger settings
    displaySettings('vtigerSettings', ['vtiger_enabled', 'vtiger_url', 'vtiger_username']);
    
    // Economic settings
    displaySettings('economicSettings', ['economic_enabled', 'economic_app_secret', 'economic_agreement_token']);
    
    // Notification settings
    displaySettings('notificationSettings', categories.notifications);
    
    // System settings
    displaySettings('systemSettings', categories.system);
}

function displaySettings(containerId, keys) {
    const container = document.getElementById(containerId);
    const settings = allSettings.filter(s => keys.includes(s.key));
    
    if (settings.length === 0) {
        container.innerHTML = '<p class="text-muted">Ingen indstillinger tilgængelige</p>';
        return;
    }
    
    container.innerHTML = settings.map(setting => {
        const inputId = `setting_${setting.key}`;
        let inputHtml = '';
        
        if (setting.value_type === 'boolean') {
            inputHtml = `
                <div class="form-check form-switch">
                    <input class="form-check-input" type="checkbox" id="${inputId}" 
                        ${setting.value === 'true' ? 'checked' : ''}
                        onchange="updateSetting('${setting.key}', this.checked ? 'true' : 'false')">
                </div>
            `;
        } else if (setting.key.includes('password') || setting.key.includes('secret') || setting.key.includes('token')) {
            inputHtml = `
                <input type="password" class="form-control" id="${inputId}" 
                    value="${setting.value || ''}" 
                    onblur="updateSetting('${setting.key}', this.value)"
                    style="max-width: 300px;">
            `;
        } else {
            inputHtml = `
                <input type="text" class="form-control" id="${inputId}" 
                    value="${setting.value || ''}" 
                    onblur="updateSetting('${setting.key}', this.value)"
                    style="max-width: 300px;">
            `;
        }
        
        return `
            <div class="setting-item">
                <div class="setting-info">
                    <h6>${setting.description || setting.key}</h6>
                    <small><code>${setting.key}</code></small>
                </div>
                <div>${inputHtml}</div>
            </div>
        `;
    }).join('');
}

async function updateSetting(key, value) {
    try {
        const response = await fetch(`/api/v1/settings/${key}`, {
            method: 'PUT',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ value })
        });
        
        if (response.ok) {
            // Show success toast
            console.log(`✅ Updated ${key}`);
        }
    } catch (error) {
        console.error('Error updating setting:', error);
        alert('Kunne ikke opdatere indstilling');
    }
}

async function loadUsers() {
    try {
        const response = await fetch('/api/v1/users');
        const users = await response.json();
        displayUsers(users);
    } catch (error) {
        console.error('Error loading users:', error);
    }
}

function displayUsers(users) {
    const tbody = document.getElementById('usersTableBody');
    
    if (users.length === 0) {
        tbody.innerHTML = '<tr><td colspan="6" class="text-center text-muted py-5">Ingen brugere fundet</td></tr>';
        return;
    }
    
    tbody.innerHTML = users.map(user => `
        <tr>
            <td>
                <div class="d-flex align-items-center gap-3">
                    <div class="user-avatar">${getInitials(user.username)}</div>
                    <div>
                        <div class="fw-semibold">${escapeHtml(user.username)}</div>
                        ${user.full_name ? `<small class="text-muted">${escapeHtml(user.full_name)}</small>` : ''}
                    </div>
                </div>
            </td>
            <td>${user.email ? escapeHtml(user.email) : '<span class="text-muted">-</span>'}</td>
            <td>
                <span class="badge ${user.is_active ? 'bg-success' : 'bg-secondary'}">
                    ${user.is_active ? 'Aktiv' : 'Inaktiv'}
                </span>
            </td>
            <td>${user.last_login ? formatDate(user.last_login) : '<span class="text-muted">Aldrig</span>'}</td>
            <td>${formatDate(user.created_at)}</td>
            <td class="text-end">
                <div class="btn-group btn-group-sm">
                    <button class="btn btn-light" onclick="resetPassword(${user.id})" title="Nulstil adgangskode">
                        <i class="bi bi-key"></i>
                    </button>
                    <button class="btn btn-light" onclick="toggleUserActive(${user.id}, ${!user.is_active})" 
                        title="${user.is_active ? 'Deaktiver' : 'Aktiver'}">
                        <i class="bi bi-${user.is_active ? 'pause' : 'play'}-circle"></i>
                    </button>
                </div>
            </td>
        </tr>
    `).join('');
}

function showCreateUserModal() {
    const modal = new bootstrap.Modal(document.getElementById('createUserModal'));
    modal.show();
}

async function createUser() {
    const user = {
        username: document.getElementById('newUsername').value,
        email: document.getElementById('newEmail').value,
        full_name: document.getElementById('newFullName').value || null,
        password: document.getElementById('newPassword').value
    };
    
    try {
        const response = await fetch('/api/v1/users', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify(user)
        });
        
        if (response.ok) {
            bootstrap.Modal.getInstance(document.getElementById('createUserModal')).hide();
            document.getElementById('createUserForm').reset();
            loadUsers();
        } else {
            const error = await response.json();
            alert(error.detail || 'Kunne ikke oprette bruger');
        }
    } catch (error) {
        console.error('Error creating user:', error);
        alert('Kunne ikke oprette bruger');
    }
}

async function toggleUserActive(userId, isActive) {
    try {
        const response = await fetch(`/api/v1/users/${userId}`, {
            method: 'PUT',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ is_active: isActive })
        });
        
        if (response.ok) {
            loadUsers();
        }
    } catch (error) {
        console.error('Error toggling user:', error);
    }
}

async function resetPassword(userId) {
    const newPassword = prompt('Indtast ny adgangskode:');
    if (!newPassword) return;
    
    try {
        const response = await fetch(`/api/v1/users/${userId}/reset-password?new_password=${newPassword}`, {
            method: 'POST'
        });
        
        if (response.ok) {
            alert('Adgangskode nulstillet!');
        }
    } catch (error) {
        console.error('Error resetting password:', error);
        alert('Kunne ikke nulstille adgangskode');
    }
}

function getInitials(name) {
    return name.split(' ').map(word => word[0]).join('').substring(0, 2).toUpperCase();
}

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

function formatDate(dateString) {
    const date = new Date(dateString);
    return date.toLocaleDateString('da-DK', { 
        year: 'numeric', 
        month: 'short', 
        day: 'numeric',
        hour: '2-digit',
        minute: '2-digit'
    });
}

// Tab navigation
document.querySelectorAll('.settings-nav .nav-link').forEach(link => {
    link.addEventListener('click', (e) => {
        e.preventDefault();
        const tab = link.dataset.tab;
        
        // Update nav
        document.querySelectorAll('.settings-nav .nav-link').forEach(l => l.classList.remove('active'));
        link.classList.add('active');
        
        // Update content
        document.querySelectorAll('.tab-pane').forEach(pane => {
            pane.classList.remove('show', 'active');
        });
        document.getElementById(tab).classList.add('show', 'active');
        
        // Load data for tab
        if (tab === 'users') {
            loadUsers();
        }
    });
});

// Load on page ready
document.addEventListener('DOMContentLoaded', () => {
    loadSettings();
    loadUsers();
});
</script>
{% endblock %}