import 'package:eatvio_app/core/app_export.dart';
import 'package:eatvio_app/features/profile/models/profile_model.dart';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:syncfusion_flutter_charts/charts.dart';

class WeightChartWidget extends StatelessWidget {
  final List<ChartPointModel> chartPoints;

  const WeightChartWidget({
    super.key,
    required this.chartPoints,
  });

  @override
  Widget build(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Padding(
          padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
          child: Row(
            children: [
              Text(
                '${chartPoints.last.weight.toStringAsFixed(2)} кг',
                style: TextStyle(
                  color: Colors.black,
                  fontSize: 48,
                  fontWeight: FontWeight.w500,
                ),
              ),
              chartPoints.last.weight > chartPoints[chartPoints.length - 2].weight
                  ? Icon(
                      Icons.arrow_drop_up,
                      size: 48,
                      color: Colors.grey.withOpacity(0.4),
                    )
                  : Icon(
                      Icons.arrow_drop_down,
                      size: 48,
                      color: Colors.grey.withOpacity(0.4),
                    ),
            ],
          ),
        ),
        SfCartesianChart(
          margin: EdgeInsets.symmetric(horizontal: 8),
          enableAxisAnimation: true,
          plotAreaBorderWidth: 0,
          trackballBehavior: TrackballBehavior(
            enable: true,
            activationMode: ActivationMode.singleTap,
            tooltipDisplayMode: TrackballDisplayMode.groupAllPoints,
            tooltipSettings: InteractiveTooltip(),
            lineType: TrackballLineType.vertical,
          ),
          primaryXAxis: DateTimeCategoryAxis(
            initialVisibleMinimum: chartPoints.first.createdAt,
            initialVisibleMaximum: chartPoints.last.createdAt,
            tickPosition: TickPosition.inside,
            majorTickLines: MajorTickLines(
              size: 0,
            ),
            edgeLabelPlacement: EdgeLabelPlacement.shift,
            dateFormat: DateFormat.MMMd('ru'),
            labelStyle: TextStyle(
              color: Colors.grey,
            ),
            majorGridLines: MajorGridLines(dashArray: [1], color: Colors.grey.withOpacity(0.3)),
            axisLine: AxisLine(
              color: Colors.grey.withOpacity(0.3),
              width: 0.4,
            ),
          ),
          primaryYAxis: NumericAxis(
            isVisible: false,
            labelFormat: '{value} кг',
            majorGridLines: MajorGridLines(dashArray: [1], color: Colors.grey),
            axisLine: AxisLine(
              width: 1,
            ),
            majorTickLines: MajorTickLines(size: 0),
          ),
          series: _getSplineSeries(),
          tooltipBehavior: TooltipBehavior(enable: true),
        ),
      ],
    );
  }

  List<CartesianSeries<ChartPointModel, DateTime>> _getSplineSeries() {
    return <CartesianSeries<ChartPointModel, DateTime>>[
      SplineAreaSeries<ChartPointModel, DateTime>(
        markerSettings: MarkerSettings(
          isVisible: true,
          color: appTheme.blueA400,
          height: 8,
          width: 8,
        ),
        dataLabelSettings: DataLabelSettings(
          labelAlignment: ChartDataLabelAlignment.top,
          isVisible: true,
        ),
        dataSource: chartPoints,
        borderColor: appTheme.blueA400,
        gradient: LinearGradient(
          colors: [
            appTheme.blueA400.withOpacity(0.14),
            Colors.transparent,
          ],
          begin: Alignment.topCenter,
          end: Alignment(0, 0.6),
        ),
        name: 'Вес',
        xValueMapper: (ChartPointModel value, int index) => value.createdAt,
        yValueMapper: (ChartPointModel value, int index) => value.weight,
      ),
    ];
  }
}