{% extends "base.html" %}

{% block title %}Analytics - Claude Code Project Tracker{% endblock %}

{% block content %}
<div class="row">
    <div class="col-12">
        <div class="d-flex justify-content-between align-items-center mb-4">
            <h1>
                <i class="fas fa-chart-line me-2"></i>
                Development Analytics
            </h1>
            <div class="btn-group" role="group">
                <button type="button" class="btn btn-outline-primary active" onclick="setTimePeriod(30)">
                    30 Days
                </button>
                <button type="button" class="btn btn-outline-primary" onclick="setTimePeriod(7)">
                    7 Days
                </button>
                <button type="button" class="btn btn-outline-primary" onclick="setTimePeriod(90)">
                    90 Days
                </button>
            </div>
        </div>
    </div>
</div>

<!-- Productivity Metrics -->
<div class="row mb-4">
    <div class="col-md-4">
        <div class="card">
            <div class="card-header">
                <h6 class="mb-0">
                    <i class="fas fa-brain me-2"></i>
                    Engagement Analysis
                </h6>
            </div>
            <div class="card-body text-center">
                <div class="display-6 text-primary mb-2" id="engagement-metric">-</div>
                <p class="text-muted">Engagement Score</p>
                <canvas id="engagementChart" height="150"></canvas>
            </div>
        </div>
    </div>
    
    <div class="col-md-4">
        <div class="card">
            <div class="card-header">
                <h6 class="mb-0">
                    <i class="fas fa-clock me-2"></i>
                    Time Analysis
                </h6>
            </div>
            <div class="card-body">
                <div class="mb-3">
                    <div class="d-flex justify-content-between">
                        <span>Average Session</span>
                        <strong id="avg-session">-</strong>
                    </div>
                </div>
                <div class="mb-3">
                    <div class="d-flex justify-content-between">
                        <span>Think Time</span>
                        <strong id="think-time-metric">-</strong>
                    </div>
                </div>
                <div class="mb-3">
                    <div class="d-flex justify-content-between">
                        <span>Files per Session</span>
                        <strong id="files-per-session">-</strong>
                    </div>
                </div>
            </div>
        </div>
    </div>
    
    <div class="col-md-4">
        <div class="card">
            <div class="card-header">
                <h6 class="mb-0">
                    <i class="fas fa-graduation-cap me-2"></i>
                    Learning Insights
                </h6>
            </div>
            <div class="card-body" id="learning-insights">
                <div class="text-center py-3">
                    <div class="spinner-border spinner-border-sm text-primary"></div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Development Patterns -->
<div class="row mb-4">
    <div class="col-md-8">
        <div class="card">
            <div class="card-header">
                <h6 class="mb-0">
                    <i class="fas fa-chart-area me-2"></i>
                    Development Patterns
                </h6>
            </div>
            <div class="card-body">
                <canvas id="patternsChart" height="100"></canvas>
            </div>
        </div>
    </div>
    
    <div class="col-md-4">
        <div class="card">
            <div class="card-header">
                <h6 class="mb-0">
                    <i class="fas fa-user-clock me-2"></i>
                    Working Hours
                </h6>
            </div>
            <div class="card-body">
                <canvas id="hoursChart" height="150"></canvas>
            </div>
        </div>
    </div>
</div>

<!-- Tool Usage & Git Activity -->
<div class="row mb-4">
    <div class="col-md-6">
        <div class="card">
            <div class="card-header">
                <h6 class="mb-0">
                    <i class="fas fa-tools me-2"></i>
                    Tool Usage Statistics
                </h6>
            </div>
            <div class="card-body">
                <div id="tool-stats">
                    <div class="text-center py-3">
                        <div class="spinner-border spinner-border-sm text-primary"></div>
                    </div>
                </div>
            </div>
        </div>
    </div>
    
    <div class="col-md-6">
        <div class="card">
            <div class="card-header">
                <h6 class="mb-0">
                    <i class="fab fa-git-alt me-2"></i>
                    Git Activity
                </h6>
            </div>
            <div class="card-body">
                <div id="git-stats">
                    <div class="text-center py-3">
                        <div class="spinner-border spinner-border-sm text-primary"></div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
let currentTimePeriod = 30;
let engagementChart = null;
let patternsChart = null;
let hoursChart = null;

document.addEventListener('DOMContentLoaded', function() {
    loadAnalyticsData();
});

function setTimePeriod(days) {
    currentTimePeriod = days;
    
    // Update active button
    document.querySelectorAll('.btn-group .btn').forEach(btn => {
        btn.classList.remove('active');
    });
    event.target.classList.add('active');
    
    loadAnalyticsData();
}

async function loadAnalyticsData() {
    try {
        const [
            productivityMetrics,
            developmentPatterns,
            learningInsights,
            toolUsageStats,
            gitStats
        ] = await Promise.all([
            apiClient.getProductivityMetrics(null, currentTimePeriod),
            apiClient.getDevelopmentPatterns(null, currentTimePeriod),
            apiClient.getLearningInsights(null, currentTimePeriod),
            apiClient.getToolUsageStats(null, null, currentTimePeriod),
            apiClient.getGitActivityStats(null, currentTimePeriod)
        ]);
        
        updateProductivityMetrics(productivityMetrics);
        updateDevelopmentPatterns(developmentPatterns);
        updateLearningInsights(learningInsights);
        updateToolStats(toolUsageStats);
        updateGitStats(gitStats);
        
    } catch (error) {
        console.error('Failed to load analytics data:', error);
    }
}

function updateProductivityMetrics(metrics) {
    document.getElementById('engagement-metric').textContent = 
        metrics.engagement_score?.toFixed(0) || '-';
    
    document.getElementById('avg-session').textContent = 
        ApiUtils.formatDuration(metrics.average_session_length || 0);
    
    document.getElementById('think-time-metric').textContent = 
        `${(metrics.think_time_average || 0).toFixed(1)}s`;
    
    document.getElementById('files-per-session').textContent = 
        (metrics.files_per_session || 0).toFixed(1);
}

function updateDevelopmentPatterns(patterns) {
    if (patterns.working_hours) {
        updateWorkingHoursChart(patterns.working_hours);
    }
    
    if (patterns.productivity_trends) {
        updatePatternsChart(patterns);
    }
}

function updateWorkingHoursChart(workingHours) {
    const ctx = document.getElementById('hoursChart').getContext('2d');
    
    if (hoursChart) {
        hoursChart.destroy();
    }
    
    const hours = Array.from({length: 24}, (_, i) => i);
    const data = hours.map(hour => workingHours.distribution[hour] || 0);
    
    hoursChart = new Chart(ctx, {
        type: 'bar',
        data: {
            labels: hours.map(h => `${h}:00`),
            datasets: [{
                data: data,
                backgroundColor: '#007bff',
                borderRadius: 4
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            plugins: {
                legend: { display: false }
            },
            scales: {
                x: {
                    ticks: { maxTicksLimit: 8 }
                },
                y: {
                    beginAtZero: true
                }
            }
        }
    });
}

function updateLearningInsights(insights) {
    const container = document.getElementById('learning-insights');
    
    if (insights.message) {
        container.innerHTML = `
            <div class="text-center text-muted">
                <i class="fas fa-info-circle mb-2"></i>
                <p class="small">${insights.message}</p>
            </div>
        `;
        return;
    }
    
    const topTopics = Object.entries(insights.learning_topics?.frequency || {})
        .sort(([,a], [,b]) => b - a)
        .slice(0, 3);
    
    const insightsHtml = `
        <div class="mb-3">
            <small class="text-muted">Most Discussed Topics</small>
            ${topTopics.map(([topic, count]) => `
                <div class="d-flex justify-content-between align-items-center mt-1">
                    <span class="small">${topic}</span>
                    <span class="badge bg-primary">${count}</span>
                </div>
            `).join('')}
        </div>
        <div class="text-center">
            <div class="fw-bold text-success">${insights.insights?.diverse_learning || 0}</div>
            <small class="text-muted">Topics Explored</small>
        </div>
    `;
    
    container.innerHTML = insightsHtml;
}

function updateToolStats(toolStats) {
    const container = document.getElementById('tool-stats');
    
    if (!toolStats.length) {
        container.innerHTML = `
            <div class="text-center text-muted py-3">
                <i class="fas fa-tools mb-2"></i>
                <p class="small">No tool usage data</p>
            </div>
        `;
        return;
    }
    
    const topTools = toolStats.slice(0, 5);
    const maxUsage = Math.max(...topTools.map(t => t.usage_count));
    
    const toolsHtml = topTools.map(tool => {
        const percentage = (tool.usage_count / maxUsage) * 100;
        return `
            <div class="mb-3">
                <div class="d-flex justify-content-between align-items-center mb-1">
                    <span class="small">
                        <i class="${ApiUtils.getToolIcon(tool.tool_name)} me-1"></i>
                        ${tool.tool_name}
                    </span>
                    <span class="badge bg-${ApiUtils.getToolColor(tool.tool_name)}">${tool.usage_count}</span>
                </div>
                <div class="progress" style="height: 6px;">
                    <div class="progress-bar bg-${ApiUtils.getToolColor(tool.tool_name)}" 
                         style="width: ${percentage}%"></div>
                </div>
            </div>
        `;
    }).join('');
    
    container.innerHTML = toolsHtml;
}

function updateGitStats(gitStats) {
    const container = document.getElementById('git-stats');
    
    if (!gitStats.total_operations) {
        container.innerHTML = `
            <div class="text-center text-muted py-3">
                <i class="fab fa-git-alt mb-2"></i>
                <p class="small">No git activity data</p>
            </div>
        `;
        return;
    }
    
    const statsHtml = `
        <div class="row g-3 text-center">
            <div class="col-6">
                <div class="fw-bold text-primary">${gitStats.total_operations}</div>
                <small class="text-muted">Operations</small>
            </div>
            <div class="col-6">
                <div class="fw-bold text-success">${gitStats.success_rate || 0}%</div>
                <small class="text-muted">Success Rate</small>
            </div>
        </div>
        <hr>
        <div class="mb-2">
            <small class="text-muted">Operation Types</small>
        </div>
        ${Object.entries(gitStats.operations_by_type || {}).map(([type, count]) => `
            <div class="d-flex justify-content-between align-items-center mb-1">
                <span class="small">${type}</span>
                <span class="badge bg-secondary">${count}</span>
            </div>
        `).join('')}
    `;
    
    container.innerHTML = statsHtml;
}
</script>
{% endblock %}