@extends('operations.layout.mainlayout')

@section('content')
    <style>
        .wrapper {
            background-color: #f4f6f9;
        }

        .dashboard-wrapper {
            padding: 20px;
            background-color: #F4F6F9;
            min-height: calc(100vh - 100px);
        }

        .dashboard-header {
            margin-bottom: 25px;
            padding: 20px;
            border-radius: 12px;
        }

        .dashboard-title {
            margin: 0;
            font-weight: 700;
            letter-spacing: 0.5px;
            font-size: 36px;
            line-height: 140%;
            color: var(--blazma-primary);
            border: 1px solid #EEF1F4;
        }

        .dashboard-subtitle {
            opacity: 0.9;
            margin-top: 5px;
            font-weight: 400;
            font-size: 16px;
            line-height: 19px;
        }

        .filter-container {
            margin-bottom: 25px;
        }

        .filter-card {
            padding: 20px 30px;
            gap: 20px;
            background: #FFFFFF;
            box-shadow: 0px 2px 30px rgba(0, 0, 0, 0.06);
            border-radius: 30px;
            border: none;
        }

        .filter-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
        }

        .filter-item {
            flex: 1;
            min-width: 200px;
        }

        .filter-item label {
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            color: #4b5563;
            font-size: 13px;
        }

        .custom-datepicker {
            position: relative;
        }

        .custom-datepicker i {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--blazma-primary);
            z-index: 1;
        }

        .custom-datepicker::after {
            content: '\f078';
            font-family: 'Font Awesome 5 Free';
            font-weight: 900;
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            pointer-events: none;
            color: var(--blazma-primary);
            font-size: 12px;
        }

        .date-range-picker {
            width: 100%;
            padding: 10px 35px 10px 45px;
            border: 1px solid #E6E6E6;
            border-radius: 30px;
            font-size: 14px;
            color: #4a5568;
            background-color: white;
            transition: border-color 0.2s, box-shadow 0.2s;
            height: 46px;
        }

        .date-range-picker:focus {
            outline: none;
            border-color: var(--blazma-primary);
            box-shadow: 0 0 0 3px rgba(var(--blazma-primary-rgb), 0.15);
        }

        .custom-select-wrapper {
            position: relative;
        }

        .custom-select {
            width: 100%;
            padding: 10px 15px;
            border: 1px solid #E6E6E6;
            border-radius: 30px;
            font-size: 14px;
            color: #4a5568;
            background-color: white;
            background-image: none;
            appearance: none;
            -webkit-appearance: none;
            transition: border-color 0.2s, box-shadow 0.2s;
            height: 46px;
        }

        .custom-select:focus {
            outline: none;
            border-color: var(--blazma-primary);
            box-shadow: 0 0 0 3px rgba(var(--blazma-primary-rgb), 0.15);
        }

        .custom-select-wrapper::after {
            content: '\f078';
            font-family: 'Font Awesome 5 Free';
            font-weight: 900;
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            pointer-events: none;
            color: var(--blazma-primary);
            font-size: 12px;
        }

        .charts-container {
            position: relative;
        }

        .chart-card {
            background: white;
            border-radius: 30px;
            overflow: hidden;
            box-shadow: 0px 2px 30px rgba(0, 0, 0, 0.06);
            border: none;
            width: 100%;
            margin-bottom: 25px;
        }

        .chart-header {
            padding: 24px 30px 20px;
            background: #F9FAFB;
            border-bottom: 1px solid white;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .chart-title {
            font-weight: 600;
            font-size: 18px;
            font-family: 'Lato', sans-serif;
            color: #101828;
            margin: 0;
        }

        .chart-subtitle {
            font-size: 13px;
            color: #6b7280;
            margin-top: 2px;
        }

        .chart-actions {
            display: flex;
            gap: 10px;
        }

        .action-btn {
            padding: 6px 16px;
            border: 1px solid #757897;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 400;
            color: #757897;
            background-color: transparent;
            cursor: pointer;
            transition: all 0.2s;
            font-family: 'Lato', sans-serif;
        }

        .action-btn:hover {
            background-color: #F9FAFB;
        }

        .chart-body {
            padding: 15px;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
        }

        .chart-body > div {
            width: 100% !important;
        }

        .chart-loader {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: rgba(255, 255, 255, 0.8);
            z-index: 100;
            backdrop-filter: blur(3px);
            border-radius: 12px;
            display: none;
        }

        .loader-ring {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            border: 4px solid #f3f3f3;
            border-top: 4px solid var(--blazma-primary);
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .empty-state {
            background-color: #f9fafb;
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            color: #6b7280;
        }

        .empty-state p {
            margin: 10px 0 0;
            font-size: 14px;
        }

        .select2-container--default .select2-selection--single {
            box-sizing: border-box !important;
            display: flex !important;
            flex-direction: row;
            align-items: center;
            padding: 10px 15px 10px 20px;
            gap: 191px;
            height: 46px !important;
            border: 1px solid #E6E6E6 !important;
            border-radius: 30px !important;
        }

        .select2-container--default .select2-selection--single .select2-selection__rendered {
            padding: 0;
            color: #4a5568;
            line-height: normal;
        }

        .select2-container--default .select2-selection--single .select2-selection__arrow {
            height: 46px;
            right: 15px;
        }

        .select2-dropdown {
            border: 1px solid #E6E6E6;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }

        .select2-results__option {
            padding: 10px 15px;
            font-size: 14px;
        }

        .select2-container--default .select2-results__option--highlighted[aria-selected] {
            background-color: var(--blazma-primary);
        }

        .select2-container--open {
            z-index: 9999;
        }

        .select2-selection__arrow b[role="presentation"] {
            display: none !important;
        }
        .select2-selection__arrow {
            display: none !important;
        }
    </style>

    <div class="dashboard-wrapper">
        <div class="dashboard-header" style="display: flex; justify-content: space-between; align-items: center;">
            <div>
                <h2 class="dashboard-title">Best Performing Tests Statistics</h2>
                <p class="dashboard-subtitle">Analyze top performing tests by count and sales amount</p>
            </div>
            <button id="fullscreenToggle" class="btn" style="background: var(--blazma-primary); color: white; border-radius: 25px; padding: 10px 20px;">
                <i class="fas fa-expand"></i> Fullscreen
            </button>
        </div>

        <div class="filter-container">
            <div class="filter-card">
                <div class="filter-row">
                    <div class="filter-item">
                        <label for="bestTestDateRange">Date Range</label>
                        <div class="custom-datepicker">
                            <i class="fa fa-calendar-alt"></i>
                            <input type="text" id="bestTestDateRange" class="date-range-picker">
                        </div>
                    </div>
                    <div class="filter-item">
                        <label for="bestTestBranchFilter">Branch</label>
                        <div class="custom-select-wrapper">
                            <select id="bestTestBranchFilter" class="custom-select">
                                <option value="">All Branches</option>
                                @foreach($filters['allBranches'] as $branch)
                                    <option value="{{ $branch->ID }}">{{ $branch->NAME_EN }}</option>
                                @endforeach
                            </select>
                        </div>
                    </div>
                    <div class="filter-item">
                        <label for="viewMode">View By</label>
                        <div class="custom-select-wrapper">
                            <select id="viewMode" class="custom-select">
                                <option value="count">Test Count</option>
                                <option value="sales">Sales Amount</option>
                            </select>
                        </div>
                    </div>
                    <div class="filter-item">
                        <label for="autoRefresh">Auto Refresh</label>
                        <div class="custom-select-wrapper">
                            <select id="autoRefresh" class="custom-select">
                                <option value="0">Disabled</option>
                                <option value="1">1 Minute</option>
                                <option value="5" selected>5 Minutes</option>
                                <option value="10">10 Minutes</option>
                                <option value="15">15 Minutes</option>
                                <option value="30">30 Minutes</option>
                            </select>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="charts-container">
            <div class="chart-loader">
                <div class="loader-ring"></div>
            </div>
            <div id="bestTestsChartContainer" class="chart-card">
                <div class="chart-header">
                    <h3 class="chart-title">Best Performing Tests</h3>
                    <div class="chart-actions">
                        <button class="action-btn download-svg">Download SVG</button>
                        <button class="action-btn download-png">Download PNG</button>
                        <button class="action-btn download-csv">Download CSV</button>
                    </div>
                </div>
                <div class="chart-body">
                    <div id="bestTestsChart"></div>
                </div>
            </div>
        </div>
    </div>
@endsection

@section('warehouse_scripts')
    <link href="https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&display=swap" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap" rel="stylesheet">
    <script src="/js/moment.min.js"></script>
    <script src="/warehouse_components/js/apexcharts.min.js"></script>
    <link rel="stylesheet" type="text/css" href="/bower_components/admin-lte/plugins/daterangepicker/daterangepicker.css" />
    <script type="text/javascript" src="/bower_components/admin-lte/plugins/daterangepicker/daterangepicker.js"></script>
    <link rel="stylesheet" href="/bower_components/admin-lte/plugins/select2/css/select2.min.css">
    <script src="/bower_components/admin-lte/plugins/select2/js/select2.min.js"></script>
    <script>
        let bestTestsChart = null;
        let chartData = null;
        let lastFilters = null;
        let autoRefreshInterval = null;

        function showLoader() {
            $('.chart-loader').css('display', 'flex');
        }
        function hideLoader() {
            $('.chart-loader').css('display', 'none');
        }

        function getFilters() {
            const dateRange = $('#bestTestDateRange').data('daterangepicker');
            return {
                date_from: dateRange ? dateRange.startDate.format('YYYY-MM-DD') : null,
                date_to: dateRange ? dateRange.endDate.format('YYYY-MM-DD') : null,
                branch_id: $('#bestTestBranchFilter').val()
            };
        }

        function fetchAndRenderChart() {
            const filters = getFilters();

            if (lastFilters && JSON.stringify(lastFilters) === JSON.stringify(filters)) {
                return;
            }

            lastFilters = filters;
            showLoader();

            $.ajax({
                url: '/operations/command-center/best-tests-stats/data',
                type: 'GET',
                data: filters,
                headers: {
                    'api-key': '{{ $api_key }}',
                    'profile-id': '{{ $profile_id }}'
                },
                success: function(response) {
                    chartData = response;
                    renderBestTestsChart();
                    hideLoader();
                },
                error: function(error) {
                    if (xhr.status === 440) {
                        alert('Please login first');
                        window.location.href = '/operations/login';
                    }
                    console.error("Error fetching chart data:", error);
                    $('#bestTestsChart').html(`
                        <div class="empty-state">
                            <i class="fa fa-exclamation-circle fa-3x"></i>
                            <p>Could not load chart data.</p>
                        </div>
                    `);
                    hideLoader();
                }
            });
        }

        function renderBestTestsChart() {
            if (!chartData) return;

            const viewMode = $('#viewMode').val();
            const seriesData = viewMode === 'count' ? chartData.data : chartData.sales;
            const seriesName = viewMode === 'count' ? 'Test Count' : 'Sales Amount';
            const tooltipSuffix = viewMode === 'count' ? " tests" : " " + chartData.currency;

            const options = {
                series: [{
                    name: seriesName,
                    data: seriesData || []
                }],
                chart: {
                    type: 'bar',
                    height: 380,
                    toolbar: {
                        show: false,
                        tools: {
                            download: true,
                            selection: false,
                            zoom: false,
                            zoomin: false,
                            zoomout: false,
                            pan: false,
                            reset: false,
                            menu: false
                        }
                    }
                },
                colors: ['var(--blazma-primary)'],
                plotOptions: {
                    bar: {
                        horizontal: true,
                        distributed: false,
                        borderRadius: 6,
                        dataLabels: {
                            position: 'top',
                        },
                    },
                },
                dataLabels: {
                    enabled: true,
                    offsetX: -6,
                    style: {
                        fontSize: '12px',
                        colors: ['#fff']
                    },
                    formatter: function(val, opts) {
                        if (viewMode === 'sales') {
                            return val.toFixed(2);
                        }
                        return val;
                    }
                },
                stroke: {
                    show: true,
                    width: 2,
                    colors: ['transparent']
                },
                xaxis: {
                    categories: chartData.labels || [],
                    title: {
                        text: viewMode === 'count' ? 'Quantity' : 'Sales Amount'
                    },
                    labels: {
                        style: {
                            fontSize: '12px'
                        }
                    },
                    position: 'top'
                },
                yaxis: {
                    labels: {
                        style: {
                            fontSize: '12px'
                        }
                    }
                },
                tooltip: {
                    y: {
                        formatter: function (val) {
                            if (viewMode === 'sales') {
                                return val.toFixed(2) + " " + chartData.currency;
                            }
                            return val + tooltipSuffix;
                        }
                    }
                }
            };

            if (bestTestsChart) {
                bestTestsChart.updateOptions(options);
            } else {
                bestTestsChart = new ApexCharts(document.querySelector("#bestTestsChart"), options);
                bestTestsChart.render();
            }
        }

        function setAutoRefresh() {
            if (autoRefreshInterval) {
                clearInterval(autoRefreshInterval);
                autoRefreshInterval = null;
            }

            const minutes = parseInt($('#autoRefresh').val());
            if (minutes > 0) {
                const intervalMs = minutes * 60 * 1000;
                autoRefreshInterval = setInterval(fetchAndRenderChart, intervalMs);
            }
        }

        function setupDownloadButtons() {
            $('.download-svg').click(function() {
                if (bestTestsChart) {
                    bestTestsChart.exports.exportToSVG({
                        filename: 'best-performing-tests'
                    });
                }
            });

            $('.download-png').click(function() {
                if (bestTestsChart) {
                    bestTestsChart.exports.exportToPng({
                        filename: 'best-performing-tests'
                    });
                }
            });

            $('.download-csv').click(function() {
                if (bestTestsChart) {
                    const series = bestTestsChart.w.config.series[0].data;
                    const categories = bestTestsChart.w.config.xaxis.categories;

                    let csvContent = "Test,Value\n";
                    categories.forEach((category, index) => {
                        csvContent += `"${category}",${series[index]}\n`;
                    });

                    const blob = new Blob([csvContent], { type: 'text/csv;charset=utf-8;' });
                    const link = document.createElement("a");
                    if (link.download !== undefined) {
                        const url = URL.createObjectURL(blob);
                        link.setAttribute("href", url);
                        link.setAttribute("download", 'best-performing-tests.csv');
                        link.style.visibility = 'hidden';
                        document.body.appendChild(link);
                        link.click();
                        document.body.removeChild(link);
                    }
                }
            });
        }

        $(document).ready(function() {
            $('#bestTestDateRange').daterangepicker({
                opens: 'left',
                autoApply: true,
                locale: { format: 'YYYY-MM-DD' },
                startDate: moment().subtract(3, 'months').startOf('month'),
                endDate: moment(),
                ranges: {
                   'Today': [moment().startOf('day'), moment().endOf('day')],
                   'Yesterday': [moment().subtract(1, 'days').startOf('day'), moment().subtract(1, 'days').endOf('day')],
                   'Last 7 Days': [moment().subtract(6, 'days').startOf('day'), moment().endOf('day')],
                   'Last 30 Days': [moment().subtract(29, 'days').startOf('day'), moment().endOf('day')],
                   'This Month': [moment().startOf('month'), moment().endOf('month')],
                   'Last Month': [moment().subtract(1, 'month').startOf('month'), moment().subtract(1, 'month').endOf('month')],
                   'Last 3 Months': [moment().subtract(3, 'months').startOf('day'), moment().endOf('day')],
                   'Last 6 Months': [moment().subtract(6, 'months').startOf('day'), moment().endOf('day')],
                   'Last Year': [moment().subtract(1, 'year').startOf('day'), moment().endOf('day')]
                }
            });

            $('#bestTestBranchFilter, #viewMode').select2({
                width: '100%',
                minimumResultsForSearch: 5,
                dropdownCssClass: 'select2-dropdown-modern'
            });

            $('.custom-select').on('select2:opening', function() {
                $('.custom-select').not(this).each(function() {
                    if ($(this).data('select2')) {
                        $(this).select2('close');
                    }
                });
            });

            fetchAndRenderChart();
            $('#bestTestDateRange').on('apply.daterangepicker', fetchAndRenderChart);
            $('#bestTestBranchFilter').on('change', fetchAndRenderChart);
            $('#viewMode').on('change', renderBestTestsChart);
            $('#autoRefresh').on('change', setAutoRefresh);
            setAutoRefresh();
            setupDownloadButtons();

            // Fullscreen functionality
            const fullscreenBtn = document.getElementById('fullscreenToggle');
            const wrapper = document.querySelector('.wrapper');

            function toggleFullscreen() {
                if (!document.fullscreenElement && !document.webkitFullscreenElement &&
                    !document.mozFullScreenElement && !document.msFullscreenElement) {
                    if (wrapper.requestFullscreen) {
                        wrapper.requestFullscreen();
                    } else if (wrapper.webkitRequestFullscreen) {
                        wrapper.webkitRequestFullscreen();
                    } else if (wrapper.mozRequestFullScreen) {
                        wrapper.mozRequestFullScreen();
                    } else if (wrapper.msRequestFullscreen) {
                        wrapper.msRequestFullscreen();
                    }
                } else {
                    if (document.exitFullscreen) {
                        document.exitFullscreen();
                    } else if (document.webkitExitFullscreen) {
                        document.webkitExitFullscreen();
                    } else if (document.mozCancelFullScreen) {
                        document.mozCancelFullScreen();
                    } else if (document.msExitFullscreen) {
                        document.msExitFullscreen();
                    }
                }
            }

            function handleFullscreenChange() {
                const navbar = document.querySelector('.main-header');
                const isFullscreen = document.fullscreenElement || document.webkitFullscreenElement ||
                                    document.mozFullScreenElement || document.msFullscreenElement;

                if (isFullscreen) {
                    if (navbar) navbar.style.display = 'none';
                    fullscreenBtn.innerHTML = '<i class="fas fa-compress"></i> Exit Fullscreen';
                } else {
                    if (navbar) navbar.style.display = '';
                    fullscreenBtn.innerHTML = '<i class="fas fa-expand"></i> Fullscreen';
                }
            }

            fullscreenBtn.addEventListener('click', toggleFullscreen);
            document.addEventListener('fullscreenchange', handleFullscreenChange);
            document.addEventListener('webkitfullscreenchange', handleFullscreenChange);
            document.addEventListener('mozfullscreenchange', handleFullscreenChange);
            document.addEventListener('MSFullscreenChange', handleFullscreenChange);
        });
    </script>
@endsection