{% extends "base.html" %}

{% block title %}Greeter - MeshCore Bot Data Viewer{% endblock %}

{% block content %}
<div class="row">
    <div class="col-12">
        <h1 class="mb-4">
            <i class="fas fa-hand-sparkles"></i> Greeter Management
        </h1>
    </div>
</div>

<!-- Rollout Status -->
<div class="row mb-4">
    <div class="col-12">
        <div class="card">
            <div class="card-header">
                <i class="fas fa-clock"></i> Onboarding Period Status
            </div>
            <div class="card-body">
                <div id="rollout-status">
                    <div class="loading">Loading rollout status...</div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Greeter Settings -->
<div class="row mb-4">
    <div class="col-md-6">
        <div class="card">
            <div class="card-header">
                <i class="fas fa-cog"></i> Current Settings
            </div>
            <div class="card-body">
                <div id="greeter-settings">
                    <div class="loading">Loading settings...</div>
                </div>
            </div>
        </div>
    </div>
    
    <div class="col-md-6">
        <div class="card">
            <div class="card-header">
                <i class="fas fa-comment"></i> Sample Greeting
            </div>
            <div class="card-body">
                <div id="sample-greeting">
                    <div class="loading">Loading sample greeting...</div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Greeted Users -->
<div class="row">
    <div class="col-12">
        <div class="card">
            <div class="card-header d-flex justify-content-between align-items-center">
                <span><i class="fas fa-users"></i> Greeted Users</span>
                <span class="badge bg-primary" id="total-greeted-badge">0</span>
            </div>
            <div class="card-body">
                <div class="mb-3">
                    <div class="input-group">
                        <span class="input-group-text">
                            <i class="fas fa-search"></i>
                        </span>
                        <input type="text" class="form-control" id="greeted-users-search" 
                               placeholder="Search by username, channel, date, or last seen...">
                        <button class="btn btn-outline-secondary" type="button" id="clear-search-btn">
                            <i class="fas fa-times"></i> Clear
                        </button>
                    </div>
                    <small class="text-muted" id="search-results-count"></small>
                </div>
                <div class="table-responsive">
                    <table class="table table-striped table-hover">
                        <thead class="table-dark">
                            <tr>
                                <th>Username</th>
                                <th>Channel</th>
                                <th>Greeted At</th>
                                <th>Last Seen</th>
                                <th>Rollout Marked</th>
                                <th>Actions</th>
                            </tr>
                        </thead>
                        <tbody id="greeted-users-table">
                            <tr>
                                <td colspan="5" class="text-center">
                                    <div class="loading">Loading greeted users...</div>
                                </td>
                            </tr>
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
class GreeterManager {
    constructor() {
        this.greeterData = null;
        this.allUsers = [];  // Store all users for filtering
        this.filteredUsers = [];  // Store filtered users
        this.initializeGreeter();
    }
    
    async initializeGreeter() {
        await this.loadGreeterData();
        this.setupEventHandlers();
        this.renderRolloutStatus();
        this.renderSettings();
        this.renderSampleGreeting();
        this.renderGreetedUsers();
        
        // Auto-refresh every 30 seconds
        setInterval(() => {
            const searchInput = document.getElementById('greeted-users-search');
            const currentSearch = searchInput ? searchInput.value : '';
            
            this.loadGreeterData().then(() => {
                this.renderRolloutStatus();
                this.renderSettings();
                this.renderSampleGreeting();
                this.renderGreetedUsers();
                // Reapply search filter if one was active
                if (currentSearch) {
                    this.filterUsers(currentSearch);
                }
            });
        }, 30000);
    }
    
    async loadGreeterData() {
        try {
            const response = await fetch('/api/greeter');
            const data = await response.json();
            
            if (data.error) {
                this.showError('Failed to load greeter data: ' + data.error);
                return;
            }
            
            this.greeterData = data;
            
        } catch (error) {
            console.error('Error loading greeter data:', error);
            this.showError('Failed to load greeter data: ' + error.message);
        }
    }
    
    setupEventHandlers() {
        // End rollout button handler will be set up in renderRolloutStatus
        
        // Search box handler
        const searchInput = document.getElementById('greeted-users-search');
        const clearBtn = document.getElementById('clear-search-btn');
        
        if (searchInput) {
            searchInput.addEventListener('input', (e) => {
                this.filterUsers(e.target.value);
            });
        }
        
        if (clearBtn) {
            clearBtn.addEventListener('click', () => {
                searchInput.value = '';
                this.filterUsers('');
            });
        }
    }
    
    renderRolloutStatus() {
        const statusDiv = document.getElementById('rollout-status');
        
        if (!this.greeterData) {
            statusDiv.innerHTML = '<div class="loading">Loading...</div>';
            return;
        }
        
        if (!this.greeterData.enabled) {
            statusDiv.innerHTML = `
                <div class="alert alert-warning">
                    <i class="fas fa-exclamation-triangle"></i> Greeter is currently disabled.
                </div>
            `;
            return;
        }
        
        if (this.greeterData.rollout_active) {
            const timeRemaining = this.greeterData.time_remaining;
            const timeStr = this.formatTimeRemaining(timeRemaining);
            const endDate = new Date(this.greeterData.rollout_data.end_date);
            
            statusDiv.innerHTML = `
                <div class="alert alert-info">
                    <h5><i class="fas fa-hourglass-half"></i> Onboarding Period Active</h5>
                    <p class="mb-2"><strong>Time Remaining:</strong> <span class="badge bg-primary" style="font-size: 1.1em;">${timeStr}</span></p>
                    <p class="mb-2"><strong>Started:</strong> ${new Date(this.greeterData.rollout_data.started_at).toLocaleString()}</p>
                    <p class="mb-2"><strong>Ends:</strong> ${endDate.toLocaleString()}</p>
                    <p class="mb-0"><strong>Duration:</strong> ${this.greeterData.rollout_data.days} days</p>
                </div>
                <div class="mt-3">
                    <button class="btn btn-danger" id="end-rollout-btn">
                        <i class="fas fa-stop-circle"></i> End Onboarding Period
                    </button>
                </div>
            `;
            
            // Setup end rollout button
            document.getElementById('end-rollout-btn').addEventListener('click', () => {
                this.endRollout();
            });
        } else {
            statusDiv.innerHTML = `
                <div class="alert alert-success">
                    <i class="fas fa-check-circle"></i> No active onboarding period. New users will be greeted immediately.
                </div>
            `;
        }
    }
    
    renderSettings() {
        const settingsDiv = document.getElementById('greeter-settings');
        
        if (!this.greeterData) {
            settingsDiv.innerHTML = '<div class="loading">Loading...</div>';
            return;
        }
        
        const settings = this.greeterData.settings;
        settingsDiv.innerHTML = `
            <ul class="list-unstyled">
                <li><strong>Enabled:</strong> <span class="badge bg-${settings.enabled ? 'success' : 'secondary'}">${settings.enabled ? 'Yes' : 'No'}</span></li>
                <li><strong>Rollout Days:</strong> ${settings.rollout_days}</li>
                <li><strong>Per-Channel Greetings:</strong> <span class="badge bg-${settings.per_channel_greetings ? 'info' : 'secondary'}">${settings.per_channel_greetings ? 'Yes' : 'No'}</span></li>
                <li><strong>Include Mesh Info:</strong> <span class="badge bg-${settings.include_mesh_info ? 'info' : 'secondary'}">${settings.include_mesh_info ? 'Yes' : 'No'}</span></li>
            </ul>
        `;
    }
    
    renderSampleGreeting() {
        const greetingDiv = document.getElementById('sample-greeting');
        
        if (!this.greeterData) {
            greetingDiv.innerHTML = '<div class="loading">Loading...</div>';
            return;
        }
        
        greetingDiv.innerHTML = `
            <div class="alert alert-light" style="white-space: pre-wrap; font-family: monospace;">
${this.escapeHtml(this.greeterData.sample_greeting)}
            </div>
        `;
    }
    
    renderGreetedUsers(usersToRender = null) {
        const tableBody = document.getElementById('greeted-users-table');
        const badge = document.getElementById('total-greeted-badge');
        
        if (!this.greeterData) {
            tableBody.innerHTML = '<tr><td colspan="6" class="text-center"><div class="loading">Loading...</div></td></tr>';
            return;
        }
        
        // Store all users for filtering
        this.allUsers = this.greeterData.greeted_users || [];
        
        // Use provided users or all users
        const users = usersToRender || this.allUsers;
        
        if (badge) {
            badge.textContent = this.allUsers.length || 0;
        }
        
        if (users.length === 0) {
            const searchInput = document.getElementById('greeted-users-search');
            const hasSearch = searchInput && searchInput.value.trim();
            tableBody.innerHTML = `<tr><td colspan="6" class="text-center text-muted">${hasSearch ? 'No users match your search.' : 'No users have been greeted yet.'}</td></tr>`;
            return;
        }
        
        tableBody.innerHTML = users.map(user => {
            // greeted_at is a SQLite timestamp string (ISO format like "2025-12-03 02:52:38")
            // SQLite stores timestamps in UTC, but without timezone indicator
            // JavaScript Date will interpret it as local time, so we need to be explicit
            let greetedDate;
            if (user.greeted_at && user.greeted_at.includes('T')) {
                // Already has ISO format with T separator
                greetedDate = new Date(user.greeted_at);
            } else if (user.greeted_at) {
                // SQLite format: "YYYY-MM-DD HH:MM:SS" - treat as UTC and add Z
                greetedDate = new Date(user.greeted_at + 'Z');
            } else {
                greetedDate = new Date();
            }
            
            // last_seen is a Unix timestamp (seconds since epoch) from message_stats
            // Convert to milliseconds for JavaScript Date constructor
            // Unix timestamps are always UTC
            let lastSeenDate = null;
            if (user.last_seen) {
                const timestamp = user.last_seen;
                // message_stats stores timestamps as INTEGER (seconds since epoch)
                // Convert to milliseconds
                lastSeenDate = new Date(timestamp * 1000);
            }
            const lastSeenStr = lastSeenDate ? lastSeenDate.toLocaleString() : '<span class="text-muted">Never</span>';
            const rolloutBadge = user.rollout_marked 
                ? '<span class="badge bg-warning">Rollout</span>' 
                : '<span class="badge bg-success">Manual</span>';
            
            return `
                <tr>
                    <td><code>${this.escapeHtml(user.sender_id)}</code></td>
                    <td>${this.escapeHtml(user.channel)}</td>
                    <td>${greetedDate.toLocaleString()}</td>
                    <td>${lastSeenStr}</td>
                    <td>${rolloutBadge}</td>
                    <td>
                        <button class="btn btn-sm btn-danger" onclick="greeterManager.ungreetUser('${this.escapeHtml(user.sender_id)}', '${this.escapeHtml(user.channel)}')">
                            <i class="fas fa-undo"></i> Mark Ungreeted
                        </button>
                    </td>
                </tr>
            `;
        }).join('');
    }
    
    filterUsers(searchTerm) {
        if (!this.allUsers || this.allUsers.length === 0) {
            return;
        }
        
        const term = searchTerm.toLowerCase().trim();
        
        if (!term) {
            this.filteredUsers = this.allUsers;
            this.renderGreetedUsers(this.allUsers);
            this.updateSearchResultsCount(this.allUsers.length, this.allUsers.length);
            return;
        }
        
        // Filter by username, channel, date, or last seen
        this.filteredUsers = this.allUsers.filter(user => {
            const senderId = (user.sender_id || '').toLowerCase();
            const channel = (user.channel || '').toLowerCase();
            const greetedAt = new Date(user.greeted_at).toLocaleString().toLowerCase();
            const lastSeen = user.last_seen ? new Date(user.last_seen * 1000).toLocaleString().toLowerCase() : 'never';
            
            return senderId.includes(term) || 
                   channel.includes(term) || 
                   greetedAt.includes(term) ||
                   lastSeen.includes(term);
        });
        
        this.renderGreetedUsers(this.filteredUsers);
        this.updateSearchResultsCount(this.filteredUsers.length, this.allUsers.length);
    }
    
    updateSearchResultsCount(filtered, total) {
        const countElement = document.getElementById('search-results-count');
        if (countElement) {
            if (filtered === total) {
                countElement.textContent = '';
            } else {
                countElement.textContent = `Showing ${filtered} of ${total} users`;
            }
        }
    }
    
    formatTimeRemaining(timeRemaining) {
        if (!timeRemaining) return 'N/A';
        
        const parts = [];
        if (timeRemaining.days > 0) parts.push(`${timeRemaining.days}d`);
        if (timeRemaining.hours > 0) parts.push(`${timeRemaining.hours}h`);
        if (timeRemaining.minutes > 0) parts.push(`${timeRemaining.minutes}m`);
        if (timeRemaining.seconds > 0 && parts.length === 0) parts.push(`${timeRemaining.seconds}s`);
        
        return parts.join(' ') || 'Less than 1 minute';
    }
    
    async endRollout() {
        if (!confirm('Are you sure you want to end the onboarding period? This will allow new users to be greeted immediately.')) {
            return;
        }
        
        try {
            const response = await fetch('/api/greeter/end-rollout', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                    'X-Requested-With': 'XMLHttpRequest'
                }
            });
            
            const data = await response.json();
            
            if (data.success) {
                this.showSuccess(data.message || 'Onboarding period ended successfully');
                // Reload data
                await this.loadGreeterData();
                this.renderRolloutStatus();
            } else {
                this.showError(data.error || 'Failed to end onboarding period');
            }
        } catch (error) {
            console.error('Error ending rollout:', error);
            this.showError('Failed to end onboarding period: ' + error.message);
        }
    }
    
    async ungreetUser(senderId, channel) {
        const channelText = channel === '(global)' ? 'globally' : `on channel ${channel}`;
        if (!confirm(`Are you sure you want to mark ${senderId} as ungreeted ${channelText}? They will be greeted again on their next message.`)) {
            return;
        }
        
        try {
            const response = await fetch('/api/greeter/ungreet', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                    'X-Requested-With': 'XMLHttpRequest'
                },
                body: JSON.stringify({
                    sender_id: senderId,
                    channel: channel === '(global)' ? null : channel
                })
            });
            
            const data = await response.json();
            
            if (data.success) {
                this.showSuccess(data.message || 'User marked as ungreeted');
                // Reload data
                const searchInput = document.getElementById('greeted-users-search');
                const currentSearch = searchInput ? searchInput.value : '';
                
                await this.loadGreeterData();
                this.renderGreetedUsers();
                // Reapply search filter if one was active
                if (currentSearch) {
                    this.filterUsers(currentSearch);
                }
            } else {
                this.showError(data.error || 'Failed to mark user as ungreeted');
            }
        } catch (error) {
            console.error('Error ungreeting user:', error);
            this.showError('Failed to mark user as ungreeted: ' + error.message);
        }
    }
    
    escapeHtml(text) {
        const div = document.createElement('div');
        div.textContent = text;
        return div.innerHTML;
    }
    
    showError(message) {
        if (window.connectionManager) {
            window.connectionManager.showNotification(message, 'danger');
        } else {
            alert('Error: ' + message);
        }
    }
    
    showSuccess(message) {
        if (window.connectionManager) {
            window.connectionManager.showNotification(message, 'success');
        } else {
            alert('Success: ' + message);
        }
    }
}

// Initialize greeter manager when page loads
document.addEventListener('DOMContentLoaded', () => {
    window.greeterManager = new GreeterManager();
});
</script>

<style>
/* Dark mode table styling with better contrast - matching contacts page */
[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > td {
    background-color: #3a3a3a; /* Slightly lighter than even rows, but not too light */
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(even) > td {
    background-color: #2d2d2d; /* Darker gray (card-bg) */
}

[data-theme="dark"] .table-hover > tbody > tr:hover > td {
    background-color: #404040 !important; /* Slightly lighter for hover, but maintains good contrast */
}

[data-theme="dark"] .table-dark {
    background-color: var(--bg-tertiary);
    color: var(--text-color);
}

[data-theme="dark"] .table-dark th {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .table td {
    border-color: var(--border-color);
    color: var(--text-color);
}

/* Ensure all text in table cells is light in dark mode */
[data-theme="dark"] .table td,
[data-theme="dark"] .table td * {
    color: var(--text-color) !important;
}

/* Ensure small text is also light */
[data-theme="dark"] .table td small {
    color: var(--text-muted) !important;
}

/* Code elements in tables should also be light */
[data-theme="dark"] .table td code {
    color: var(--text-color) !important;
    background-color: var(--bg-tertiary) !important;
}
</style>
{% endblock %}