chart bar color fix

lib/presentation/Screens/charts/widgets/chart_widget.dart

@@ -3190,6 +3190,7 @@ class ChartWidget extends StatelessWidget {
         }
         print('RT1 - $parsedChartBarColors');
         bool hasBarColors = parsedChartBarColors.isNotEmpty;
+        print('RT1hasBarColors - $hasBarColors ');
 
         return Column(
           children: [
@@ -4833,6 +4834,100 @@ class ChartWidget extends StatelessWidget {
     Set<String> groupByValues,
   ) {
     String groupByKeyValueData;
+    String cropKey = chartData['chart_type_json']['y_sub_group'];
+
+    if (chartData['chart_type_json']['chart_type'] == 'bar_chart_horizontal' ||
+        chartData['chart_type_json']['chart_type'] == 'horizontal_rotate') {
+      groupByKeyValueData = chartData['chart_type_json']['y_group'] ?? '';
+    } else {
+      groupByKeyValueData = chartData['chart_type_json']['x_group'] ?? '';
+    }
+
+    List<dynamic> responseData = chartData['response'];
+    List<BarChartGroupData> barGroups = [];
+
+    print('hormulti_bar1.1');
+
+    // First, extract all unique crop types across all groups to create a consistent color map
+    Set<String> uniqueCropTypes = {};
+    for (var entry in responseData) {
+      String crop = entry['ObsKey'][cropKey];
+      uniqueCropTypes.add(crop);
+    }
+
+    // Create a color map for crops
+    Map<String, Color> cropColorMap = {};
+    List<String> cropList = uniqueCropTypes.toList();
+    for (int i = 0; i < cropList.length; i++) {
+      final colorList;
+      if (chartData['dataset'] == 'general_education' ||
+          chartData['dataset'] == 'higher_education' ||
+          chartData['dataset'] == 'air_transport' ||
+          chartData['dataset'] == 'labour_force' ||
+          chartData['dataset'] == 'gdp' ||
+          chartData['dataset'] == 'hotels' ||
+          chartData['dataset'] == 'hotel_guests' ||
+          chartData['dataset'] == 'health_services' ||
+          chartData['dataset'] == 'clinics') {
+        colorList = uniqueColorsForTwo;
+      } else if (chartData['dataset'] == 'cropsk') {
+        colorList = uniqueColorsForThree;
+      } else if (chartData['dataset'] == 'oil_and_gas') {
+        colorList = uniqueColorsForFour;
+      } else {
+        colorList = uniqueColors;
+      }
+      cropColorMap[cropList[i]] = colorList[i % colorList.length];
+    }
+
+    // Iterate through groupByValues and populate BarChartGroupData
+    for (int i = 0; i < groupByValues.length; i++) {
+      String groupValue = groupByValues.elementAt(i);
+
+      // Filter data for the current group (grouping by CROP_TYPE)
+      List<dynamic> groupData = responseData.where((entry) {
+        return entry['ObsKey'][groupByKeyValueData] == groupValue;
+      }).toList();
+
+      // Create BarChartRodData for each bar in the group
+      List<BarChartRodData> barRods = groupData.map((data) {
+        // Ensure to retrieve and parse 'ObsValue' value (which should be a double)
+        double value =
+            double.tryParse(data['ObsValue']['Value'].toString()) ?? 0.0;
+        double minBarHeight = 0.1;
+
+        // Get the crop name to determine the color
+        String crop = data['ObsKey'][cropKey];
+        Color barColor = cropColorMap[crop] ?? Colors.grey;
+
+        return BarChartRodData(
+          toY: value == 0 ? minBarHeight : value, // Use the parsed value
+          color: barColor, // Use consistent color based on crop type
+          width: 20,
+        );
+      }).toList();
+
+      // Add BarChartGroupData for the group
+      barGroups.add(
+        BarChartGroupData(
+          x: i,
+          barRods: barRods,
+          showingTooltipIndicators: List.generate(
+            barRods.length,
+            (index) => index,
+          ),
+        ),
+      );
+    }
+
+    return barGroups;
+  }
+
+  List<BarChartGroupData> _buildHorizontalRotateBarGroups1(
+    dynamic chartData,
+    Set<String> groupByValues,
+  ) {
+    String groupByKeyValueData;
 
     if (chartData['chart_type_json']['chart_type'] == 'bar_chart_horizontal' ||
         chartData['chart_type_json']['chart_type'] == 'horizontal_rotate') {
@@ -5190,11 +5285,15 @@ Widget _buildChartLegend(
       int index = uniqueCropTypes.toList().indexOf(
             cropType,
           ); // Get index for cycling colors
+
+      print('HorizontalLegendsindex -$index');
       Color cropColor = parsedChartBarColors.isNotEmpty &&
               parsedChartBarColors.containsKey(cropType)
           ? parsedChartBarColors[cropType]!
           : uniqueColors[index % uniqueColors.length];
 
+      print('HorizontalLegendscropColor -$cropColor');
+
       return Row(
         mainAxisSize: MainAxisSize.min,
         children: [