'use client';

  import { ChartData } from '@/types/chart';
import {
  Cell,
  Legend,
  Pie,
  PieChart,
  ResponsiveContainer,
  Tooltip,
} from 'recharts';

  type ChartPieProps = {
    loading: boolean
    data: ChartData[]
  }

  export function ChartPie({ loading, data }: ChartPieProps) {
    const items = 5;

    // Calculate percentages
    const dataWithPercentages = data ? (() => {
      const total = data.reduce((sum, item) => sum + item.value, 0);
      return data.map(item => ({
        ...item,
        percentage: total > 0 ? Number(((item.value / total) * 100).toFixed(1)) : 0
      }));
    })() : [];

    const total = dataWithPercentages.reduce((sum, item) => sum + item.value, 0);

    if (loading) {
      return (
        <div className="w-full flex items-center justify-center gap-10 animate-pulse">
          <div className="relative">
            <div className="w-48 h-48 bg-gray-200 rounded-full" />
            <div className="absolute inset-6 bg-white rounded-full" />
          </div>
          <div className="flex flex-col gap-4">
            {Array.from({ length: items }).map((_, index) => (
              <div key={index} className="flex items-center gap-3">
                <div className="w-4 h-4 bg-gray-200 rounded-sm" />
                <div className="h-4 bg-gray-200 rounded w-32" />
              </div>
            ))}
          </div>
        </div>
      );
    }

    if (!data || data.length === 0) {
      return (
        <div className="w-full h-60 flex flex-col items-center justify-center text-gray-400">
          <div className="w-40 h-40 border-4 border-dashed border-gray-200 rounded-full mb-4" />
          <p className="text-sm">No data available</p>
        </div>
      );
    }

    return (
      <div className="space-y-4">
        {/* Total Count */}
        <div className="text-center">
          <p className="text-sm text-gray-600">Total</p>
          <p className="text-2xl font-bold text-gray-800">{total}</p>
        </div>

        <ResponsiveContainer width="100%" 
        height={Math.max(250, dataWithPercentages.length * 40)}
        // height={300}
        >
          <PieChart>
            <Pie
              data={dataWithPercentages}
              dataKey="value"
              label={({ percentage }) => `${percentage}%`}
            >
              {dataWithPercentages.map((entry, index) => (
                <Cell key={`cell-${index}`} fill={entry.color} />
              ))}
            </Pie>
            <Tooltip
              formatter={(value: number, name: string, props: any) => [
                `${value} (${props.payload.percentage}%)`,
                name
              ]}
            />
            <Legend
              formatter={(value: string, entry: any) =>
                `${value}: ${entry.payload.value} (${entry.payload.percentage}%)`
              }
            />
          </PieChart>
        </ResponsiveContainer>
      </div>
    );
  }