{% extends 'base.html' %}
{% load static %}

{% block title %}Weather Reporter Agent - NetCop AI Hub{% endblock %}

{% block extra_css %}
<!-- Optimized Font Loading -->
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap" rel="stylesheet">

<!-- External Stylesheets -->
<link rel="stylesheet" href="{% static 'css/themes.css' %}">
<link rel="stylesheet" href="{% static 'css/agent-base.css' %}">

<!-- Weather Reporter Specific Utilities -->
<script>
// Weather Reporter - Self-contained utilities (no shared dependencies)
const WeatherUtils = {
    /**
     * Update wallet balance display - Weather Reporter specific
     */
    updateWalletBalance(newBalance) {
        // Update header balance (anchor tag with emoji)
        const headerBalance = document.querySelector('a[data-wallet-balance]');
        if (headerBalance) {
            headerBalance.textContent = `💰 ${newBalance.toFixed(2)} AED`;
        }
        
        // Update page balance (div without emoji)
        const pageBalance = document.querySelector('div[data-wallet-balance]');
        if (pageBalance) {
            pageBalance.textContent = `${newBalance.toFixed(2)} AED`;
        }
        
        window.currentWalletBalance = newBalance;
    },

    /**
     * Show toast notification with duplicate prevention
     */
    showToast(message, type = 'info') {
        // Prevent duplicate toasts
        const existingToast = document.querySelector('.weather-toast');
        if (existingToast) {
            existingToast.remove();
        }

        const toast = document.createElement('div');
        toast.className = 'weather-toast';
        toast.style.cssText = `
            position: fixed;
            top: 16px;
            right: 16px;
            padding: 8px 12px;
            border-radius: 4px;
            color: white;
            font-size: 13px;
            z-index: 1000;
            max-width: 300px;
            font-weight: 500;
            ${type === 'success' ? 'background: #10b981;' : 'background: #ef4444;'}
        `;
        toast.textContent = message;
        document.body.appendChild(toast);
        
        setTimeout(() => {
            if (toast.parentNode) {
                toast.remove();
            }
        }, 2000);
    },

    /**
     * Generate text for copy/download functionality
     */
    generateTextForExport(contentElementId) {
        const content = document.getElementById(contentElementId);
        if (content) {
            return content.innerText || content.textContent || '';
        }
        return 'No content available';
    },

    /**
     * Copy content to clipboard
     */
    copyToClipboard(text, successMessage = 'Content copied to clipboard!') {
        navigator.clipboard.writeText(text).then(() => {
            this.showToast(`📋 ${successMessage}`, 'success');
        }).catch(() => {
            this.showToast('Failed to copy content', 'error');
        });
    },

    /**
     * Download content as text file
     */
    downloadAsFile(text, filename, successMessage = 'File downloaded!') {
        const blob = new Blob([text], { type: 'text/plain' });
        const url = URL.createObjectURL(blob);
        const a = document.createElement('a');
        a.href = url;
        a.download = filename || `content-${Date.now()}.txt`;
        a.click();
        URL.revokeObjectURL(url);
        this.showToast(`💾 ${successMessage}`, 'success');
    }
};

// For backward compatibility, create AgentUtils alias
const AgentUtils = WeatherUtils;
</script>

<style>
    /* Custom styles for weather reporter radio grid */
    .radio-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .radio-option {
        display: flex;
        align-items: center;
        gap: var(--space-md);
        padding: var(--space-lg);
        border: 1px solid var(--agent-border);
        border-radius: var(--radius);
        cursor: pointer;
        background: white;
        transition: all var(--transition);
        min-height: 60px;
    }
    
    .radio-option.selected {
        border-color: var(--agent-primary);
        background: var(--agent-card-bg);
    }
    
    .radio-option:hover {
        border-color: var(--agent-primary);
        background: var(--hover-color);
    }
    
    .radio-option input[type="radio"] {
        width: 18px;
        height: 18px;
        margin: 0;
    }
    
    .form-help {
        font-size: var(--text-xs);
        color: var(--accent-color);
        margin-top: var(--space-xs);
        opacity: 0.7;
    }
</style>
{% endblock %}

{% block content %}
<div class="agent-page theme-professional">
    <div class="agent-container">
        <!-- Messages -->
        {% if messages %}
            {% for message in messages %}
                <div class="{% if message.tags == 'error' %}error-message{% else %}success-message{% endif %}" style="grid-column: 1 / -1;">
                    {{ message }}
                </div>
            {% endfor %}
        {% endif %}
        
        <!-- Main Content -->
        <div>
            <div class="card">
                <h3 class="section-title">🌤️ Weather Reporter</h3>
                
                <form method="POST" id="weatherForm">
                    {% csrf_token %}
                    
                    <!-- Location Input -->
                    <div class="form-group">
                        <label for="location" class="form-label">📍 Enter Location *</label>
                        <input type="text" name="location" id="location" class="form-input" placeholder="Enter city name, address, or coordinates..." required>
                        <div class="form-help">Examples: "New York", "London, UK", "Tokyo, Japan", "37.7749,-122.4194"</div>
                    </div>
                    
                    <!-- Report Type Selection -->
                    <div>
                        <label class="form-label">📊 Report Type *</label>
                        <div class="radio-grid">
                            <label class="radio-option selected" onclick="selectReportType('current')">
                                <input type="radio" name="report_type" value="current" checked>
                                <div style="font-size: 20px;">🌡️</div>
                                <div>
                                    <div style="font-weight: 600; margin-bottom: 4px; font-size: 16px;">Current Weather</div>
                                    <div style="font-size: 14px; color: var(--text-secondary);">Real-time conditions</div>
                                </div>
                            </label>
                            
                            <label class="radio-option" onclick="selectReportType('forecast')">
                                <input type="radio" name="report_type" value="forecast">
                                <div style="font-size: 20px;">📅</div>
                                <div>
                                    <div style="font-weight: 600; margin-bottom: 4px; font-size: 16px;">5-Day Forecast</div>
                                    <div style="font-size: 14px; color: var(--text-secondary);">Extended weather outlook</div>
                                </div>
                            </label>
                            
                            <label class="radio-option" onclick="selectReportType('detailed')">
                                <input type="radio" name="report_type" value="detailed">
                                <div style="font-size: 20px;">📋</div>
                                <div>
                                    <div style="font-weight: 600; margin-bottom: 4px; font-size: 16px;">Detailed Report</div>
                                    <div style="font-size: 14px; color: var(--text-secondary);">Current + forecast combined</div>
                                </div>
                            </label>
                        </div>
                    </div>
                </form>
            </div>
            
            <!-- Processing Status -->
            <div id="processingStatus" class="processing-status">
                <div class="status-icon">⏳</div>
                <div style="font-weight: 600; color: var(--primary-dark);">Getting Weather Data...</div>
                <div style="font-size: 14px; color: var(--primary-blue); margin-top: 8px;" id="statusText">Fetching latest weather information for your location</div>
            </div>
            
            <!-- Results -->
            <div id="weatherResults" class="results-card">
                <div class="results-header">
                    <div style="font-size: 24px;">✅</div>
                    <h3 style="font-size: 20px; font-weight: 600; color: var(--text-primary); margin: 0;">Weather Report</h3>
                    <div style="background: var(--primary-blue); color: white; padding: 6px 12px; border-radius: 6px; font-size: 14px; font-weight: 600; margin-left: auto;">✅ Complete</div>
                </div>
                
                <div class="results-content" id="weatherContent">
                    <!-- Weather data will be displayed here -->
                </div>
                
                <div class="action-buttons">
                    <button onclick="copyWeatherReport()" class="btn btn-primary">📋 Copy Report</button>
                    <button onclick="downloadWeatherReport()" class="btn btn-secondary">💾 Download Report</button>
                    <button onclick="resetForm()" class="btn" style="background: var(--primary-blue); color: white;">🔄 Get Another</button>
                </div>
            </div>
        </div>
        
        <!-- Wallet Sidebar -->
        <div class="wallet-section">
            <div class="card">
                <h3 class="section-title">💳 Your Wallet</h3>
                
                <div class="wallet-balance" data-wallet-balance>
                    {% if user.is_authenticated %}
                        {{ user.wallet_balance|floatformat:2 }} AED
                    {% else %}
                        0.00 AED
                    {% endif %}
                </div>
                <div class="balance-label">Available Balance</div>
                
                {% if user.is_authenticated %}
                    {% if user.wallet_balance >= 2.00 %}
                        <button type="submit" form="weatherForm" class="btn btn-primary process-btn" id="processButton">
                            🌤️ Get Weather Report (2.00 AED)
                        </button>
                    {% else %}
                        <div class="insufficient-balance">
                            Insufficient balance! You need 2.00 AED.
                        </div>
                        <a href="{% url 'core:wallet' %}" class="btn btn-primary process-btn" style="text-decoration: none;">
                            💰 Top Up Wallet
                        </a>
                    {% endif %}
                {% else %}
                    <a href="{% url 'authentication:login' %}" class="btn btn-primary process-btn" style="text-decoration: none;">
                        🔑 Login to Continue
                    </a>
                {% endif %}
            </div>
            
            <div class="usage-info">
                <h4>💡 How it works</h4>
                <ul>
                    <li>Enter any city name worldwide</li>
                    <li>Choose your preferred report type</li>
                    <li>Get real-time weather data</li>
                    <li>Copy or download detailed reports</li>
                </ul>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
    // Report type selection
    function selectReportType(type) {
        document.querySelectorAll('.radio-option').forEach(option => {
            option.classList.remove('selected');
        });
        
        event.currentTarget.classList.add('selected');
        document.querySelector(`input[value="${type}"]`).checked = true;
    }
    
    // Form validation
    function isFormValid() {
        const location = document.getElementById('location').value.trim();
        const reportType = document.querySelector('input[name="report_type"]:checked');
        
        return location && reportType;
    }
    
    // Copy weather report to clipboard
    function copyWeatherReport() {
        const reportText = AgentUtils.generateTextForExport('weatherContent');
        AgentUtils.copyToClipboard(reportText, 'Weather report copied to clipboard!');
    }
    
    // Download weather report as text file
    function downloadWeatherReport() {
        const reportText = AgentUtils.generateTextForExport('weatherContent');
        AgentUtils.downloadAsFile(reportText, `weather-report-${Date.now()}.txt`, 'Weather report downloaded!');
    }

    // Track processing state to prevent duplicates
    let isProcessing = false;

    // Reset form for creating another report
    function resetForm() {
        // Reset processing state
        isProcessing = false;
        
        // Reset form and UI
        document.getElementById('weatherForm').reset();
        document.getElementById('weatherResults').style.display = 'none';
        document.getElementById('processingStatus').style.display = 'none';
        document.getElementById('processButton').disabled = false;
        document.getElementById('processButton').innerHTML = '🌤️ Get Weather Report (2.00 AED)';
        
        // Reset to default selection
        document.querySelectorAll('.radio-option').forEach(option => {
            option.classList.remove('selected');
        });
        document.querySelector('.radio-option').classList.add('selected');
        document.querySelector('input[value="current"]').checked = true;
        
        AgentUtils.showToast('Form reset! Ready for another weather report.', 'success');
    }
    
    // Simple toast notification


    // Display weather results with clean weather data formatting
    function displayResults(result) {
        const resultsContainer = document.getElementById('weatherResults');
        const contentElement = document.getElementById('weatherContent');
        
        if (!resultsContainer || !contentElement) {
            console.error('Weather results elements not found');
            return;
        }
        
        // Update wallet balance if provided
        if (result.wallet_balance !== undefined) {
            AgentUtils.updateWalletBalance(result.wallet_balance);
        }
        
        // Handle errors
        if (result.error) {
            AgentUtils.showToast(`❌ ${result.error}`, 'error');
            return;
        }
        
        // Handle failed status
        if (result.status === 'failed') {
            AgentUtils.showToast('❌ Failed to generate weather report - no charge applied', 'error');
            return;
        }
        
        // Extract weather content with priority order
        let content = '';
        
        if (result.weather_data && typeof result.weather_data === 'string') {
            content = result.weather_data;
        } else if (result.formatted_report && typeof result.formatted_report === 'string') {
            content = result.formatted_report;
        } else if (result.content && typeof result.content === 'string') {
            content = result.content;
        } else if (result.output_text && typeof result.output_text === 'string') {
            content = result.output_text;
        } else {
            content = 'Weather report generated successfully!';
        }
        
        // Format weather content with clean data presentation
        const formattedContent = formatWeatherContent(content);
        
        // Update content
        contentElement.innerHTML = formattedContent;
        
        // Show results
        resultsContainer.style.display = 'block';
        resultsContainer.scrollIntoView({ behavior: 'smooth' });
        
        // Show success message
        const successMessage = result.success ? '✅ Weather report completed and payment processed!' : '✅ Weather report generated!';
        AgentUtils.showToast(successMessage, 'success');
    }
    
    // Clean weather data formatter
    function formatWeatherContent(content) {
        if (!content || typeof content !== 'string') {
            return '<p>No weather data available.</p>';
        }
        
        let html = content;
        
        // Enhanced header formatting for weather sections
        html = html.replace(/^# (.*$)/gm, '<h1 style="font-size: 22px; font-weight: 700; color: var(--primary-blue); margin: 20px 0 14px 0; border-bottom: 3px solid var(--primary-blue); padding-bottom: 10px; text-align: center;">$1</h1>');
        html = html.replace(/^## (.*$)/gm, '<h2 style="font-size: 18px; font-weight: 600; color: var(--primary-dark); margin: 16px 0 10px 0; padding: 8px 12px; background: rgba(59, 130, 246, 0.1); border-radius: 8px; border-left: 4px solid var(--primary-blue);">$1</h2>');
        html = html.replace(/^### (.*$)/gm, '<h3 style="font-size: 16px; font-weight: 600; color: var(--text-primary); margin: 14px 0 8px 0; padding-bottom: 4px;">$1</h3>');
        
        // Temperature and weather metric highlighting
        html = html.replace(/\*\*(.*?)\*\*/g, '<strong style="font-weight: 600; color: var(--primary-dark); background: rgba(59, 130, 246, 0.1); padding: 2px 6px; border-radius: 4px;">$1</strong>');
        
        // Weather condition formatting with clean presentation
        const lines = html.split('\n');
        let inList = false;
        let processedLines = [];
        
        for (let i = 0; i < lines.length; i++) {
            const line = lines[i].trim();
            
            if (line.startsWith('- ') || line.startsWith('• ')) {
                if (!inList) {
                    processedLines.push('<ul style="margin: 12px 0; padding-left: 20px; list-style: none;">');
                    inList = true;
                }
                const listContent = line.substring(2).trim();
                processedLines.push(`<li style="margin: 6px 0; line-height: 1.5; color: var(--text-primary); position: relative; padding-left: 20px;"><span style="position: absolute; left: 0; color: var(--primary-blue); font-weight: bold;">•</span>${listContent}</li>`);
            } else {
                if (inList) {
                    processedLines.push('</ul>');
                    inList = false;
                }
                processedLines.push(line);
            }
        }
        
        if (inList) {
            processedLines.push('</ul>');
        }
        
        html = processedLines.join('\n');
        
        // Convert line breaks to clean paragraphs
        const paragraphs = html.split(/\n\s*\n/);
        html = paragraphs
            .filter(p => p.trim() !== '')
            .map(p => {
                const trimmed = p.trim();
                // Don't wrap headers or lists in paragraphs
                if (trimmed.startsWith('<h') || trimmed.startsWith('<ul') || trimmed.startsWith('</ul>') || trimmed.includes('<li')) {
                    return trimmed;
                }
                return `<p style="margin: 12px 0; line-height: 1.6; color: var(--text-primary); font-size: 15px;">${trimmed}</p>`;
            })
            .join('');
        
        // Add clean wrapper for weather data
        html = `<div style="font-family: 'Inter', sans-serif; max-width: 100%; overflow-wrap: break-word; background: var(--background-subtle); border-radius: 8px; padding: 16px; border: 1px solid var(--border-light);">${html}</div>`;
        
        return html;
    }

    // Poll for results
    function pollForResults(requestId) {
        let pollCount = 0;
        const maxPolls = 30; // 30 seconds maximum
        
        const pollInterval = setInterval(() => {
            pollCount++;
            
            fetch(`/agents/weather-reporter/status/${requestId}/`)
                .then(response => response.json())
                .then(result => {
                    if (result.status === 'completed' || result.status === 'failed') {
                        clearInterval(pollInterval);
                        document.getElementById('processingStatus').style.display = 'none';
                        document.getElementById('processButton').disabled = false;
                        document.getElementById('processButton').innerHTML = '🌤️ Get Weather Report (2.00 AED)';
                        
                        displayResults(result);
                    } else if (pollCount >= maxPolls) {
                        clearInterval(pollInterval);
                        document.getElementById('processingStatus').style.display = 'none';
                        document.getElementById('processButton').disabled = false;
                        document.getElementById('processButton').innerHTML = '🌤️ Get Weather Report (2.00 AED)';
                        AgentUtils.showToast('❌ Processing timeout - please try again', 'error');
                    }
                })
                .catch(error => {
                    console.error('Error polling results:', error);
                    if (pollCount >= maxPolls) {
                        clearInterval(pollInterval);
                        document.getElementById('processingStatus').style.display = 'none';
                        document.getElementById('processButton').disabled = false;
                        document.getElementById('processButton').innerHTML = '🌤️ Get Weather Report (2.00 AED)';
                        AgentUtils.showToast('❌ Network error - please try again', 'error');
                    }
                });
        }, 1000);
    }
    
    // Handle form submission
    document.getElementById('weatherForm').addEventListener('submit', function(e) {
        e.preventDefault();
        
        if (!isFormValid()) {
            AgentUtils.showToast('Please fill in all required fields', 'error');
            return;
        }
        
        // Prevent duplicate submissions
        if (isProcessing) {
            return;
        }
        
        // Check user authentication
        {% if not user.is_authenticated %}
            window.location.href = "{% url 'authentication:login' %}";
            return;
        {% endif %}
        
        // Check wallet balance
        const balance = {{ user.wallet_balance|default:0 }};
        if (balance < 2.00) {
            AgentUtils.showToast('Insufficient balance! You need 2.00 AED.', 'error');
            setTimeout(() => {
                window.location.href = "{% url 'core:wallet' %}";
            }, 2000);
            return;
        }

        // Set processing state
        isProcessing = true;

        // Show processing status with steps
        document.getElementById('processingStatus').style.display = 'block';
        document.getElementById('processButton').disabled = true;
        document.getElementById('processButton').innerHTML = '⏳ Processing...';
        document.getElementById('weatherResults').style.display = 'none';
        
        const steps = [
            'Connecting to weather service...',
            'Fetching location data...',
            'Getting current conditions...',
            'Processing weather information...',
            'Generating report...'
        ];
        
        let currentStep = 0;
        const stepInterval = setInterval(() => {
            if (currentStep < steps.length) {
                document.getElementById('statusText').textContent = steps[currentStep];
                currentStep++;
            } else {
                clearInterval(stepInterval);
            }
        }, 800);

        // Submit form via AJAX
        const formData = new FormData(this);
        
        fetch('/agents/weather-reporter/process/', {
            method: 'POST',
            body: formData,
            headers: {
                'X-Requested-With': 'XMLHttpRequest'
            }
        })
        .then(response => response.json())
        .then(result => {
            clearInterval(stepInterval);
            
            // Reset processing state
            isProcessing = false;
            
            // Handle immediate response (API-based agent)
            document.getElementById('processingStatus').style.display = 'none';
            document.getElementById('processButton').disabled = false;
            document.getElementById('processButton').innerHTML = '🌤️ Get Weather Report (2.00 AED)';
            
            if (result.error) {
                AgentUtils.showToast(`❌ ${result.error}`, 'error');
            } else if (result.success) {
                displayResults(result);
            } else {
                AgentUtils.showToast('❌ Failed to generate weather report', 'error');
            }
        })
        .catch(error => {
            clearInterval(stepInterval);
            console.error('Error:', error);
            
            // Reset processing state
            isProcessing = false;
            
            document.getElementById('processingStatus').style.display = 'none';
            document.getElementById('processButton').disabled = false;
            document.getElementById('processButton').innerHTML = '🌤️ Get Weather Report (2.00 AED)';
            AgentUtils.showToast('❌ Network error - please try again', 'error');
        });
    });
</script>
{% endblock %}