import { mkdirSync, writeFileSync } from "fs";
import { Chart, registerables } from 'chart.js';
import { Canvas } from 'skia-canvas';
// Register all Chart.js controllers
Chart.register(...registerables);
export function formatPowerShellSummary(summary, platformMetrics) {
    let platformDownloadTotal = 0;
    let totalVersions = 0;
    summary += `| Module | Total Downloads | Latest Version | Version Downloads | Versions | Last Updated |\n`;
    summary += `| --- | --- | --- | --- | --- | --- |\n`;
    for (const metric of platformMetrics) {
        const lastUpdated = metric.metrics?.lastUpdated ? new Date(metric.metrics.lastUpdated).toLocaleDateString() : 'N/A';
        const latestVersion = metric.metrics?.latestVersion || 'N/A';
        const latestVersionDownloads = metric.metrics?.latestVersionDownloads || 0;
        const versionCount = metric.metrics?.versionCount || 0;
        summary += `| ${metric.name} | ${metric.metrics?.downloadsTotal?.toLocaleString() || 0} | ${latestVersion} | ${latestVersionDownloads.toLocaleString()} | ${versionCount} | ${lastUpdated} |\n`;
        platformDownloadTotal += metric.metrics?.downloadsTotal || 0;
        totalVersions += versionCount;
    }
    summary += `| **Total** | **${platformDownloadTotal.toLocaleString()}** | | | **${totalVersions}** | |\n`;
    return summary;
}
export async function addPowerShellDetails(summary, platformMetrics) {
    summary += `#### PowerShell Module Details:\n\n`;
    for (const metric of platformMetrics) {
        summary += `**${metric.name}**:\n`;
        summary += `- Total Downloads: ${metric.metrics?.downloadsTotal?.toLocaleString() || 0}\n`;
        summary += `- Latest Version: ${metric.metrics?.latestVersion || 'N/A'}\n`;
        summary += `- Latest Version Downloads: ${metric.metrics?.latestVersionDownloads?.toLocaleString() || 0}\n`;
        summary += `- Version Count: ${metric.metrics?.versionCount || 0}\n`;
        summary += `- Last Updated: ${metric.metrics?.lastUpdated ? new Date(metric.metrics.lastUpdated).toLocaleDateString() : 'N/A'}\n`;
        summary += `- Package Size: ${metric.metrics?.packageSize ? `${Math.round(metric.metrics.packageSize / 1024)} KB` : 'N/A'}\n`;
        summary += `\n`;
    }
    summary += `\n\n`;
    const chartOutputPath = './charts/powershell';
    mkdirSync(chartOutputPath, { recursive: true });
    const svgOutputPathList = await createPowerShellCharts(platformMetrics, chartOutputPath);
    for (const svgOutputPath of svgOutputPathList) {
        summary += `![${svgOutputPath}](${svgOutputPath})\n`;
    }
    return summary;
}
export async function createPowerShellCharts(platformMetrics, outputPath) {
    const svgOutputPathList = [];
    // Only create charts if there's download data
    const metricsWithData = platformMetrics.filter(metric => metric.metrics?.downloadsRange && metric.metrics.downloadsRange.length > 0);
    if (metricsWithData.length > 0) {
        const svgOutputPath = await createCombinedDownloadsChart(metricsWithData, outputPath);
        svgOutputPathList.push(svgOutputPath);
        const svgOutputPathCumulative = await createCombinedCumulativeDownloadsChart(metricsWithData, outputPath);
        svgOutputPathList.push(svgOutputPathCumulative);
    }
    return svgOutputPathList;
}
// Color palette for different modules
const colors = [
    'rgba(54, 162, 235, 0.8)',
    'rgba(255, 99, 132, 0.8)',
    'rgba(75, 192, 192, 0.8)',
    'rgba(255, 205, 86, 0.8)',
    'rgba(153, 102, 255, 0.8)',
    'rgba(255, 159, 64, 0.8)',
    'rgba(199, 199, 199, 0.8)',
    'rgba(83, 102, 255, 0.8)',
    'rgba(255, 99, 132, 0.8)',
    'rgba(54, 162, 235, 0.8)'
];
const borderColors = [
    'rgba(54, 162, 235, 1)',
    'rgba(255, 99, 132, 1)',
    'rgba(75, 192, 192, 1)',
    'rgba(255, 205, 86, 1)',
    'rgba(153, 102, 255, 1)',
    'rgba(255, 159, 64, 1)',
    'rgba(199, 199, 199, 1)',
    'rgba(83, 102, 255, 1)',
    'rgba(255, 99, 132, 1)',
    'rgba(54, 162, 235, 1)'
];
export async function createCombinedDownloadsChart(metrics, outputPath) {
    const svgOutputPath = `${outputPath}/powershell-combined-downloads.svg`;
    // Get all unique dates across all modules for the x-axis
    const allDates = new Set();
    for (const metric of metrics) {
        const downloadsRange = metric.metrics?.downloadsRange || [];
        for (const download of downloadsRange) {
            allDates.add(download.day);
        }
    }
    // Sort all dates chronologically
    const sortedAllDates = Array.from(allDates).sort((a, b) => new Date(a).getTime() - new Date(b).getTime());
    // Create datasets for each module (one line per module)
    const data = [];
    for (const metric of metrics) {
        const downloadsRange = metric.metrics?.downloadsRange || [];
        for (const date of sortedAllDates) {
            const downloads = downloadsRange.filter(d => d.day === date).reduce((sum, d) => sum + d.downloads, 0);
            data.push(downloads);
        }
    }
    const labels = sortedAllDates.map(date => new Date(date).toLocaleDateString('en-US', {
        month: 'short',
        year: '2-digit',
        day: 'numeric'
    }));
    const canvas = new Canvas(1200, 800);
    const chart = new Chart(canvas, {
        type: 'line',
        data: {
            labels: labels,
            datasets: [{
                    data,
                    backgroundColor: 'rgba(54, 162, 235, 0.2)',
                    borderColor: 'rgba(54, 162, 235, 1)',
                    borderWidth: 3,
                    fill: true,
                    tension: 0.1
                }]
        },
        options: {
            responsive: true,
            plugins: {
                title: {
                    display: true,
                    text: 'PowerShell Modules - Downloads Over Time',
                    font: {
                        size: 16
                    }
                },
                legend: {
                    display: true
                }
            },
            scales: {
                x: {
                    title: {
                        display: true,
                        text: 'Release Date'
                    }
                },
                y: {
                    type: 'linear',
                    title: {
                        display: true,
                        text: 'Downloads'
                    },
                    beginAtZero: true,
                    ticks: {
                        stepSize: 1000
                    }
                }
            }
        }
    });
    const svgBuffer = await canvas.toBuffer('svg', { matte: 'white' });
    writeFileSync(svgOutputPath, svgBuffer);
    chart.destroy();
    return svgOutputPath;
}
export async function createCombinedCumulativeDownloadsChart(metrics, outputPath) {
    const svgOutputPath = `${outputPath}/powershell-cumulative-downloads.svg`;
    // Get all unique dates across all modules for the x-axis
    const allDates = new Set();
    for (const metric of metrics) {
        const downloadsRange = metric.metrics?.downloadsRange || [];
        for (const download of downloadsRange) {
            allDates.add(download.day);
        }
    }
    // Sort all dates chronologically
    const sortedAllDates = Array.from(allDates).sort((a, b) => new Date(a).getTime() - new Date(b).getTime());
    const labels = sortedAllDates.map(date => new Date(date).toLocaleDateString('en-US', {
        month: 'short',
        year: '2-digit',
        day: 'numeric'
    }));
    const data = [];
    let runningTotal = 0;
    for (const date of sortedAllDates) {
        const downloads = metrics.reduce((sum, metric) => sum + (metric.metrics?.downloadsRange?.find(d => d.day === date)?.downloads || 0), 0);
        runningTotal += downloads;
        data.push(runningTotal);
    }
    const canvas = new Canvas(1200, 800);
    const chart = new Chart(canvas, {
        type: 'line',
        data: {
            labels: labels,
            datasets: [{
                    label: 'Cumulative Downloads',
                    data,
                    backgroundColor: 'rgba(54, 162, 235, 0.2)',
                    borderColor: 'rgba(54, 162, 235, 1)',
                    borderWidth: 3,
                    fill: true,
                    tension: 0.1
                }]
        },
        options: {
            responsive: true,
            plugins: {
                title: {
                    display: true,
                    text: 'PowerShell Modules - Cumulative Downloads',
                    font: {
                        size: 16
                    }
                },
                legend: {
                    display: true
                }
            },
            scales: {
                x: {
                    title: {
                        display: true,
                        text: 'Release Date'
                    }
                },
                y: {
                    title: {
                        display: true,
                        text: 'Cumulative Downloads'
                    },
                    beginAtZero: true,
                    ticks: {
                        stepSize: 5000
                    }
                }
            }
        }
    });
    const svgBuffer = await canvas.toBuffer('svg', { matte: 'white' });
    writeFileSync(svgOutputPath, svgBuffer);
    chart.destroy();
    return svgOutputPath;
}