export default function getLineChartOption({
    xAxisData = [],
    seriesData = [],
    // legendData = [],
    isDarkMode = false,
}) {

    // const defaultColors = isDarkMode
    //     ? ['#D32029', '#31B47B', '#D89614'] : ['#F5222D', '#31B47B', '#FAAD14'];

    const defaultColors = isDarkMode
        ? ['#31B47B', '#D89614', '#D32029'] : ['#31B47B', '#FAAD14', '#F5222D'];

    const styledSeries = seriesData.map((item, index) => {
        const color = item.color || defaultColors[index % defaultColors.length];
        return {
            ...item,    
            showSymbol: true,       // Show symbol at each data point
            itemStyle: {
                color,
            },
        };
    });

    return {
        grid: {
            left: '3%',
            right: '5%',
            top: '25%',
            bottom: '0%',
            containLabel: true,
        },
        legend: {
            // data: legendData,
            icon: 'circle',
            top: '0%',
            right: '5%',
            orient: 'horizontal',
            textStyle: {
                color: isDarkMode ? 'white' : '#676A7B',
            },
        },
        xAxis: {
            type: 'category',
            boundaryGap: false,
            splitLine: {
                show: false,
            },
            data: xAxisData,
            axisLine: {
                lineStyle: {
                    color: isDarkMode ? '#AAAAAA' : '#333333',
                },
            },
            axisLabel: {
                color: isDarkMode ? '#676A7B' : '#676A7B',
            },
        },
        yAxis: {
            type: 'value',
            position: 'left',
            axisLine: {
                lineStyle: {
                    color: isDarkMode ? '#AAAAAA' : '#333333',
                },
            },
            axisLabel: {
                color: isDarkMode ? '#676A7B' : '#676A7B',
            },
            splitLine: {
                lineStyle: {
                    type: 'dashed', // Options: 'solid', 'dashed', 'dotted'
                    color: isDarkMode ? '#444444' : '#EEEEEE',
                },
            },
        },
        series: styledSeries,
    };
}