// Financial Data Analysis
const financialData = {
    months: ['jan/25', 'fev/25', 'mar/25', 'abr/25', 'mai/25', 'jun/25', 'jul/25', 'ago/25', 'set/25', 'out/25', 'nov/25', 'dez/25'],
    
    revenues: {
        total: [32757, 36279, 37684, 34902, 34148, 42104, 33888, 44910, 46361, 49334, 51009, 47416],
        traffic: [22815, 23843, 25170, 19145, 23370, 32961, 27074, 34795, 30949, 39539, 37828, 38857],
        services: [0, 497, 497, 0, 1216, 547, 829, 714, 5490, 1547, 2627, 2394],
        webDesign: [7476, 11217, 11324, 14952, 9151, 8596, 5985, 8236, 8135, 7985, 9165, 6165],
        hosting: [0, 250, 250, 0, 0, 0, 0, 0, 0, 0, 222, 0]
    },
    
    expenses: {
        total: [38408, 38022, 41353, 38789, 38435, 46177, 43866, 44193, 50352, 51320, 52617, 50153],
        taxes: [2754, 2177, 3447, 2763, 2227, 3029, 3047, 3290, 3981, 4146, 4813, 4282],
        sales: [2690, 6214, 6514, 6253, 7581, 10308, 7792, 8205, 9666, 9813, 6577, 6657],
        salaries: [7811, 2305, 7513, 6909, 5909, 6909, 7465, 7669, 10146, 9690, 11294, 11486],
        administrative: [1777, 3991, 3777, 2195, 2310, 3551, 2403, 2220, 2656, 2548, 5827, 2785],
        commercial: [191, 470, 402, 966, 709, 331, 1462, 1210, 1685, 1818, 893, 1310],
        plr: [19396, 19396, 19396, 19396, 19396, 21396, 21396, 21396, 20964, 22964, 22964, 22964]
    },
    
    results: {
        contributionMargin: [24847, 27416, 27279, 25081, 23929, 28766, 23048, 32250, 30927, 35112, 38451, 36478],
        operationalProfit: [14289, 20353, 15290, 14714, 14704, 17381, 11422, 20951, 15252, 20792, 20249, 20231],
        cashGeneration: [-5651, -1743, -3668, -3887, -4286, -4073, -9978, 717, -3991, -1985, -1608, -2737],
        finalCash: [52114, 50371, 46703, 42816, 42529, 44457, 36478, 25195, 27204, 27102, 27611, 14874]
    }
};

// Initialize Charts
document.addEventListener('DOMContentLoaded', function() {
    initializeCharts();
    setupEventListeners();
});

function initializeCharts() {
    // Revenue Composition Chart
    const revenueCtx = document.getElementById('revenueChart').getContext('2d');
    new Chart(revenueCtx, {
        type: 'doughnut',
        data: {
            labels: ['Receita de Tráfego', 'Web Design', 'Serviços', 'Hospedagem'],
            datasets: [{
                data: [37828, 9165, 2627, 222],
                backgroundColor: [
                    '#10B981',
                    '#3B82F6',
                    '#8B5CF6',
                    '#F59E0B'
                ],
                borderWidth: 2,
                borderColor: '#ffffff'
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            plugins: {
                legend: {
                    position: 'bottom',
                    labels: {
                        padding: 20,
                        usePointStyle: true
                    }
                }
            }
        }
    });

    // Expense Composition Chart
    const expenseCtx = document.getElementById('expenseChart').getContext('2d');
    new Chart(expenseCtx, {
        type: 'bar',
        data: {
            labels: ['Impostos', 'Vendas', 'Salários', 'Administrativas', 'Comerciais', 'PLR'],
            datasets: [{
                label: 'Valores em R$',
                data: [4813, 6577, 11294, 5827, 893, 22964],
            backgroundColor: [
                '#EF4444',
                '#F59E0B',
                '#3B82F6',
                '#8B5CF6',
                '#10B981',
                '#EC4899'
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            plugins: {
                legend: {
                    display: false
                }
            },
            scales: {
                y: {
                    beginAtZero: true,
                    grid: {
                        drawBorder: false
                    }
                },
                x: {
                    grid: {
                        display: false
                    }
                }
            }
        }
    });

    // Cash Flow Projection Chart
    const cashFlowCtx = document.getElementById('cashFlowChart').getContext('2d');
    new Chart(cashFlowCtx, {
        type: 'line',
        data: {
            labels: financialData.months,
            datasets: [{
                label: 'Saldo Final de Caixa',
                data: financialData.results.finalCash,
                borderColor: '#10B981',
                backgroundColor: 'rgba(16, 185, 129, 0.1)',
                tension: 0.4,
                fill: true
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            plugins: {
                legend: {
                    display: true,
                    position: 'top'
                }
            },
            scales: {
                y: {
                    beginAtZero: false,
                    grid: {
                        drawBorder: false
                    }
                },
                x: {
                    grid: {
                        display: false
                    }
                }
            }
        }
    });
}

function setupEventListeners() {
    // Add smooth scrolling for anchor links
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
        anchor.addEventListener('click', function (e) {
            e.preventDefault();
            const target = document.querySelector(this.getAttribute('href'));
            if (target) {
                target.scrollIntoView({
                    behavior: 'smooth',
                    block: 'start'
                });
            }
        });
    });

    // Add loading animation for charts
    const charts = document.querySelectorAll('canvas');
    charts.forEach(chart => {
        chart.classList.add('fade-in');
    });
}

// Utility function to format currency
function formatCurrency(value) {
    return new Intl.NumberFormat('pt-BR', {
        style: 'currency',
        currency: 'BRL'
    }).format(value);
}

// Export data for potential download
function exportFinancialData() {
    const dataStr = JSON.stringify(financialData, null, 2);
    const dataBlob = new Blob([dataStr], { type: 'application/json' });
    const url = URL.createObjectURL(dataBlob);
    const link = document.createElement('a');
    link.href = url;
    link.download = 'analise-financeira-novembro.json';
    link.click();
    URL.revokeObjectURL(url);
}