@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: 600;
            letter-spacing: 0.5px;
            font-size: 36px;
            line-height: 140%;
            color: var(--blazma-primary);
        }

        .dashboard-subtitle {
            opacity: 0.9;
            margin-top: 5px;
            font-weight: 700;
            font-size: 16px;
            line-height: 120%;
            color: #757897;
        }

        .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: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            width: 100%;
        }

        .filter-item {
            flex: 1;
            min-width: 0;
            width: 100%;
        }

        .filter-item label {
            display: block;
            font-weight: 700;
            margin-bottom: 8px;
            color: #101828;
            font-size: 12px;
        }

        .custom-datepicker {
            position: relative;
            width: 100%;
        }

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

        .date-range-picker,
        .custom-select,
        .select2-container {
            width: 100% !important;
        }

        .custom-datepicker input {
            width: 100%;
            box-sizing: border-box;
        }

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

        .custom-select {
            width: 100%;
            padding: 10px 15px;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            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;
        }

        .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-text);
            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-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: 16px;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
        }

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

        #qcStatsChart {
            width: 100% !important;
            min-height: 380px;
        }

        .chart-loader {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            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); }
        }

        .stats-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin: 24px 0;
        }

        .stats-card {
            background: white;
            border-radius: 30px;
            padding: 24px;
            text-align: center;
            box-shadow: 0px 2px 30px rgba(0, 0, 0, 0.06);
            border: none;
            transition: transform 0.2s ease-out;
        }

        .stats-card:hover {
            transform: translateY(-4px);
        }

        .stats-card.total {
            background-color: #E5E8EB;
        }

        .stats-card.pass {
            background-color: #A2DC96;
            color: #1F242E;
        }

        .stats-card.fail {
            background-color: var(--blazma-pastel);
            color: #1F242E;
        }

        .stats-card h6 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .stats-card h3 {
            font-size: 57px;
            font-weight: 500;
            margin: 0;
            line-height: 1.1;
        }

        .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 #e2e8f0;
            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-selection__arrow b[role="presentation"] {
            display: none !important;
        }

        /* Remove the horizontal scroll since we're using grid now */
        .filter-row::-webkit-scrollbar {
            display: none;
        }
    </style>

    <div class="dashboard-wrapper">
        <div class="dashboard-header" style="display: flex; justify-content: space-between; align-items: center;">
            <div>
                <h2 class="dashboard-title">QC Results Statistics</h2>
                <p class="dashboard-subtitle">Monitor quality control results across labs and units</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="qcDateRange">Date Range</label>
                        <div class="custom-datepicker">
                            <i class="fas fa-calendar-alt"></i>
                            <input type="text" id="qcDateRange" class="date-range-picker">
                        </div>
                    </div>
                    <div class="filter-item">
                        <label for="qcLabFilter">Processing Lab</label>
                        <div class="custom-select-wrapper">
                            <select id="qcLabFilter" class="custom-select">
                                <option value="">All Labs</option>
                                @foreach($filters['processingLabs'] as $lab)
                                    <option value="{{ $lab->ID }}">{{ $lab->NAME_EN }}</option>
                                @endforeach
                            </select>
                        </div>
                    </div>
                    <div class="filter-item">
                        <label for="qcAnalyzerFilter">Analyzer</label>
                        <div class="custom-select-wrapper">
                            <select id="qcAnalyzerFilter" class="custom-select">
                                <option value="">All Analyzers</option>
                                @foreach($filters['analyzers'] as $analyzer)
                                    <option value="{{ $analyzer->ID }}">{{ $analyzer->NAME_EN }}</option>
                                @endforeach
                            </select>
                        </div>
                    </div>
                    <div class="filter-item">
                        <label for="qcCategoryFilter">Unit Category</label>
                        <div class="custom-select-wrapper">
                            <select id="qcCategoryFilter" class="custom-select">
                                <option value="">All Categories</option>
                                @foreach($filters['unitCategories'] as $category)
                                    <option value="{{ $category->ID }}">{{ $category->NAME_EN }}</option>
                                @endforeach
                            </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 class="stats-cards">
                <div class="stats-card total">
                    <h6>Total QC Results</h6>
                    <h3 id="totalQcCount">0</h3>
                </div>
                <div class="stats-card pass">
                    <h6>QC Results Pass</h6>
                    <h3 id="passQcCount">0</h3>
                </div>
                <div class="stats-card fail">
                    <h6>QC Results Failed</h6>
                    <h3 id="failQcCount">0</h3>
                </div>
            </div>
            
            <div class="chart-card">
                <div class="chart-header">
                    <h3 class="chart-title">QC Results Distribution</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="qcStatsChart"></div>
                </div>
            </div>
        </div>
    </div>
@endsection

@section('warehouse_scripts')
    <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 qcStatsChart = null;
        const allUnits = @json($filters['units']);
        const allAnalyzers = @json($filters['analyzers']);
        let autoRefreshInterval = null;

        function showLoader() {
            $('.chart-loader').css('display', 'flex');
        }

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

        function setupDownloadButtons() {
            $('.download-svg').click(function() {
                if (qcStatsChart) {
                    const fileName = 'qc-results-distribution';
                    qcStatsChart.exports.exportToSVG({
                        filename: fileName
                    });
                }
            });

            $('.download-png').click(function() {
                if (qcStatsChart) {
                    const fileName = 'qc-results-distribution';
                    qcStatsChart.exports.exportToPng({
                        filename: fileName
                    });
                }
            });

            $('.download-csv').click(function() {
                if (qcStatsChart) {
                    const fileName = 'qc-results-distribution';
                    const series = qcStatsChart.w.config.series[0].data;
                    const categories = qcStatsChart.w.config.xaxis.categories;
                    
                    let csvContent = "Category,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", `${fileName}.csv`);
                        link.style.visibility = 'hidden';
                        document.body.appendChild(link);
                        link.click();
                        document.body.removeChild(link);
                    }
                }
            });
        }

        function getCssVar(cssVarNameWithVarSyntax) {
            if (cssVarNameWithVarSyntax && cssVarNameWithVarSyntax.startsWith('var(--') && cssVarNameWithVarSyntax.endsWith(')')) {
                const varName = cssVarNameWithVarSyntax.substring(4, cssVarNameWithVarSyntax.length - 1);
                let value = getComputedStyle(document.documentElement).getPropertyValue(varName).trim();
                if (value.startsWith('var(--')) {
                    return getCssVar(value);
                }
                return value || cssVarNameWithVarSyntax;
            }
            return cssVarNameWithVarSyntax;
        }

        function fetchAndRenderCharts() {
            showLoader();
            const dateRange = $('#qcDateRange').data('daterangepicker');
            const labId = $('#qcLabFilter').val();
            const analyzerId = $('#qcAnalyzerFilter').val();
            const unitCategoryId = $('#qcCategoryFilter').val();

            const filters = {
                date_from: dateRange ? dateRange.startDate.format('YYYY-MM-DD') : null,
                date_to: dateRange ? dateRange.endDate.format('YYYY-MM-DD') : null,
                processing_lab_id: labId,
                analyzer_id: analyzerId,
                unit_category_id: unitCategoryId
            };

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

        function updateSummaryCards(data) {
            let totalCount = 0;
            let passCount = 0;
            let failCount = 0;
            
            if (data.totals) {
                totalCount = data.totals.total;
                passCount = data.totals.pass;
                failCount = data.totals.fail;
            } else if (data.data) {
                totalCount = data.data[0] || 0;
                passCount = data.data[1] || 0;
                failCount = data.data[2] || 0;
            }
            
            $('#totalQcCount').text(totalCount.toLocaleString());
            $('#passQcCount').text(passCount.toLocaleString());
            $('#failQcCount').text(failCount.toLocaleString());
        }

        function renderQcStatsChart(data) {
            const baseChartColors = {
                blue: '#649DEC',
                green: '#B6C2FC',
                red: '#FFCBAE',
                grey: 'rgba(0, 0, 0, 0.7)',
                lightGrey: 'rgba(0, 0, 26, 0.15)',
                fontFamily: 'Inter, sans-serif'
            };

            const resolvedChartColors = {
                blue: getCssVar(baseChartColors.blue),
                green: getCssVar(baseChartColors.green),
                red: getCssVar(baseChartColors.red),
                grey: getCssVar(baseChartColors.grey),
                lightGrey: getCssVar(baseChartColors.lightGrey),
                fontFamily: getCssVar(baseChartColors.fontFamily)
            };

            const options = {
                series: data.series || [{
                    name: 'Value',
                    data: data.data || []
                }],
                    chart: {
                        type: 'bar',
                        height: 380,
                    fontFamily: resolvedChartColors.fontFamily,
                    foreColor: resolvedChartColors.grey,
                    toolbar: {
                        show: false,
                        tools: {
                            download: true,
                            selection: false,
                            zoom: false,
                            zoomin: false,
                            zoomout: false,
                            pan: false,
                            reset: false,
                            menu: false
                        }
                    }
                },
                colors: data.colors || [resolvedChartColors.blue, resolvedChartColors.green, resolvedChartColors.red],
                    plotOptions: {
                        bar: {
                            horizontal: false,
                            columnWidth: '55%',
                        borderRadius: 5,
                        distributed: !data.series
                    }
                    },
                    dataLabels: {
                    enabled: true,
                    formatter: function(val) {
                        return val.toLocaleString();
                    },
                    style: {
                        fontSize: '12px',
                        fontWeight: 500,
                        colors: ['#fff']
                    }
                },
                    stroke: {
                        show: true,
                        width: 2,
                        colors: ['transparent']
                    },
                    xaxis: {
                        categories: data.labels || [],
                    labels: {
                        style: {
                            colors: resolvedChartColors.grey,
                            fontSize: '12px',
                            fontWeight: 500
                        },
                        rotate: -45,
                        trim: true
                    }
                    },
                    yaxis: {
                        title: {
                        text: 'Count',
                        style: {
                            color: resolvedChartColors.grey,
                            fontSize: '13px',
                            fontWeight: 500
                        }
                    },
                    labels: {
                        formatter: function(val) {
                            return val.toLocaleString();
                        }
                        }
                    },
                    fill: {
                    opacity: 0.95
                    },
                    tooltip: {
                        y: {
                        formatter: function(val) {
                            return val.toLocaleString();
                        }
                    }
                },
                legend: {
                    show: !!data.series,
                    position: 'top',
                    horizontalAlign: 'right',
                    fontSize: '13px',
                    fontWeight: 500,
                    markers: {
                        radius: 5
                    }
                },
                grid: {
                    borderColor: resolvedChartColors.lightGrey,
                    strokeDashArray: 2
                }
            };

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

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

        $(document).ready(function() {
            $('#qcDateRange').daterangepicker({
                opens: 'left',
                autoApply: true,
                locale: {
                    format: 'YYYY-MM-DD'
                },
                startDate: moment().subtract(6, 'days'),
                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('year'), moment().subtract(1, 'year').endOf('year')]
                }
            });

            $('.custom-select').each(function() {
                $(this).select2({
                    width: '100%',
                    minimumResultsForSearch: 5,
                    dropdownCssClass: 'select2-dropdown-modern',
                    dropdownParent: $(this).closest('.custom-select-wrapper')
                });
            });

            function filterAnalyzersByLab(labId) {
                if (!labId) {
                    $('#qcAnalyzerFilter').prop('disabled', true).val('').trigger('change');
                    return;
                }
                
                $('#qcAnalyzerFilter').empty().append('<option value="">All Analyzers</option>');
                
                allAnalyzers.forEach(function(analyzer) {
                    if (analyzer.HOSPITAL_ID == labId) {
                        $('#qcAnalyzerFilter').append(`<option value="${analyzer.ID}">${analyzer.NAME_EN}</option>`);
                    }
                });
                
                $('#qcAnalyzerFilter').prop('disabled', false);
            }

            $('#qcLabFilter').on('change', function() {
                filterAnalyzersByLab($(this).val());
            });

            $('#qcCategoryFilter').on('change', function() {
                if ($(this).val()) {
                    $('#qcLabFilter').val('').trigger('change');
                }
            });

            fetchAndRenderCharts();

            $('#qcDateRange').on('apply.daterangepicker', fetchAndRenderCharts);
            $('#qcLabFilter, #qcAnalyzerFilter, #qcCategoryFilter').on('change', fetchAndRenderCharts);

            $('#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