@using CarCareTracker.Helper
@inject IConfigHelper config
@inject ITranslationHelper translator
@model List<CostForVehicleByMonth>
@{
    var userConfig = config.GetUserConfig(User);
    var userLanguage = userConfig.UserLanguage;
    var barGraphColors = StaticHelper.GetBarChartColors();
    var sortedByMPG = Model.OrderBy(x => x.Cost).ToList();
}
@if (Model.Any(x=>x.Cost > 0) || Model.Any(x=>x.DistanceTraveled > 0))
{
    <canvas id="bar-chart"></canvas>
    <script>
        renderChart();
        function renderChart() {
            var barGraphLabels = [];
            var barGraphData = [];
            var lineChartData = [];
            //color gradient from high to low
            var barGraphColors = [];
            var useDarkMode = getGlobalConfig().useDarkMode;
        @foreach (CostForVehicleByMonth gasCost in Model)
        {
            @:barGraphLabels.push(decodeHTMLEntities("@gasCost.MonthName"));
            @:barGraphData.push(globalParseFloat('@gasCost.Cost'));
            @:lineChartData.push(globalParseFloat('@gasCost.DistanceTraveled'));
            var index = sortedByMPG.FindIndex(x => x.MonthName == gasCost.MonthName);
            @:barGraphColors.push('@barGraphColors[index]');
        }
                new Chart($("#bar-chart"), {
                    type: 'bar',
                    data: {
                        labels: barGraphLabels,
                        datasets: [
                            {
                                label: decodeHTMLEntities('@translator.Translate(userLanguage, "Expenses by Month")'),
                                backgroundColor: barGraphColors,
                                data: barGraphData,
                                order: 1,
                                yAxisID: 'y',
                            },
                            {
                                label: decodeHTMLEntities('@translator.Translate(userLanguage, "Distance Traveled by Month")'),
                                data: lineChartData,
                                borderColor: useDarkMode ? "#fff" : "#000",
                                backgroundColor: useDarkMode ? "#000" : "#fff",
                                type: 'line',
                                order: 0,
                                yAxisID: 'y1',
                            }
                        ]
                    },
                    options: {
                        onClick: (e, a, c) => {
                            showBarChartTable(a);
                        },
                        onHover: (e, a, c) => {
                            a.length > 0 ? c.canvas.style.cursor = 'pointer' : c.canvas.style.cursor = 'default';
                        },
                        plugins: {
                            title: {
                                display: true,
                                color: useDarkMode ? "#fff" : "#000",
                                text: decodeHTMLEntities('@translator.Translate(userLanguage, "Expenses and Distance Traveled by Month")')
                            },
                            legend: {
                                display: false,
                                labels: {
                                    color: useDarkMode ? "#fff" : "#000"
                                }
                            }
                        },
                        scales: {
                            y: {
                                beginAtZero: true,
                                ticks: {
                                    color: useDarkMode ? "#fff" : "#000"
                                }
                            },
                            y1: {
                                beginAtZero: true,
                                position: 'right',
                                ticks: {
                                    color: useDarkMode ? "#fff" : "#000"
                                }
                            },
                            x: {
                                ticks: {
                                    color: useDarkMode ? "#fff" : "#000"
                                }
                            }
                        }
                    }
                });
        }
    </script>
} else
{
    <div class="text-center">
        <h4>@translator.Translate(userLanguage,"No data found, insert/select some data to see visualizations here.")</h4>
    </div>
}