import {
  Bar,
  BarChart,
  LabelList,
  Legend,
  ResponsiveContainer,
  Tooltip,
  XAxis,
  YAxis,
} from 'recharts';
import { useState } from 'react';
import type { HydrogenMonthlyPoint } from '../../types';
import {
  buildMonthDrillPayload,
  formatYuan as fmtYuan,
  type OverviewDrillPayload,
  type OverviewDrillRequest,
  type OverviewScope,
} from '../model';
import { OverviewDrillDialog } from './OverviewDrillDialog';

type MonthlyChartPoint = HydrogenMonthlyPoint & { monthLabel: string };

interface MonthlyChartsProps {
  activeYear: number;
  monthly: HydrogenMonthlyPoint[];
  monthlyDual: MonthlyChartPoint[];
  scope?: OverviewScope;
  scopeLabel?: string | null;
  onDrillRequest?: (request: OverviewDrillRequest) => void;
}

export function MonthlyCharts({ activeYear, monthly, monthlyDual, scope = 'global', scopeLabel, onDrillRequest }: MonthlyChartsProps) {
  const [drill, setDrill] = useState<OverviewDrillPayload | null>(null);
  const openMonthPoint = (point: MonthlyChartPoint | undefined) => {
    if (!point) return;
    if (onDrillRequest) onDrillRequest({ kind: 'month', key: point.month, label: `${point.month} 月度经营明细` });
    else setDrill(buildMonthDrillPayload(point));
  };
  const openMonthFromChart = (state: unknown) => {
    openMonthPoint((state as { activePayload?: { payload?: MonthlyChartPoint }[] } | undefined)?.activePayload?.[0]?.payload);
  };
  const openMonthFromBar = (entry: unknown) => {
    openMonthPoint((entry as { payload?: MonthlyChartPoint } | undefined)?.payload);
  };
  const scopeText = scope === 'station' && scopeLabel ? ` · ${scopeLabel}` : '';
  return (
    <>
      {monthly.length > 0 && (
        <div className="ehb-chart-box">
          <div className="ehb-chart-box-head">
            <div className="ehb-chart-box-title">{activeYear} 年月度加氢量{scopeText}</div>
            <div className="ehb-chart-box-meta">单位：Kg</div>
          </div>
          <div className="ehb-chart-box-body">
          <ResponsiveContainer width="100%" height="100%" minWidth={0} initialDimension={{ width: 1, height: 200 }}>
            <BarChart data={monthlyDual} margin={{ top: 8, right: 4, bottom: 0, left: 0 }} onClick={openMonthFromChart} className="cursor-pointer">
              <XAxis
                dataKey="monthLabel"
                tick={{ fontSize: 10, fill: '#94a3b8' }}
                tickLine={false}
                axisLine={false}
                interval={0}
              />
              <YAxis hide />
              <Tooltip
                formatter={(v) => [`${Number(v ?? 0).toLocaleString('zh-CN', { maximumFractionDigits: 0 })} Kg`, '加氢量']}
                labelFormatter={(d) => `${d}`}
                contentStyle={{ borderRadius: 12, fontSize: 12 }}
                cursor={{ fill: 'rgba(34, 211, 238, 0.06)' }}
              />
              <Legend verticalAlign="top" height={24} iconSize={8} wrapperStyle={{ fontSize: 11, paddingBottom: 4 }} />
              <Bar dataKey="lingniuKg" name="羚牛车辆" stackId="kg" fill="#4ba3df" radius={[0, 0, 0, 0]} onClick={openMonthFromBar} />
              <Bar dataKey="externalKg" name="外部车辆" stackId="kg" fill="#f4bb45" radius={[4, 4, 0, 0]} onClick={openMonthFromBar}>
                <LabelList dataKey="kg" position="top" formatter={value => {
                  const total = Number(value ?? 0);
                  return total >= 1000 ? `${(total / 1000).toFixed(1)}k` : total.toFixed(0);
                }} fill="#475569" fontSize={10} fontWeight={700} />
              </Bar>
            </BarChart>
          </ResponsiveContainer>
          </div>
        </div>
      )}

      {monthly.length > 0 && (
        <div className="ehb-chart-box">
          <div className="ehb-chart-box-head">
            <div className="ehb-chart-box-title">{activeYear} 年月度收支对比{scopeText}</div>
            <div className="ehb-chart-box-meta">单位：元</div>
          </div>
          <div className="ehb-chart-box-body">
          <ResponsiveContainer width="100%" height="100%" minWidth={0} initialDimension={{ width: 1, height: 200 }}>
            <BarChart data={monthlyDual} margin={{ top: 8, right: 4, bottom: 0, left: 0 }} onClick={openMonthFromChart} className="cursor-pointer">
              <XAxis
                dataKey="monthLabel"
                tick={{ fontSize: 10, fill: '#94a3b8' }}
                tickLine={false}
                axisLine={false}
                interval={0}
              />
              <YAxis hide />
              <Legend
                verticalAlign="top"
                height={20}
                iconSize={8}
                wrapperStyle={{ fontSize: 11, paddingBottom: 4 }}
              />
              <Tooltip
                formatter={(v, name) => {
                  const f = fmtYuan(Number(v ?? 0));
                  return [`¥${f.value} ${f.unit}`, name];
                }}
                contentStyle={{ borderRadius: 12, fontSize: 12 }}
                cursor={{ fill: 'rgba(148, 163, 184, 0.06)' }}
              />
              <Bar dataKey="fee" name="成本支出" fill="#f59e0b" radius={[3, 3, 0, 0]} onClick={openMonthFromBar} />
              <Bar dataKey="revenue" name="客户收入" fill="#10b981" radius={[3, 3, 0, 0]} onClick={openMonthFromBar} />
            </BarChart>
          </ResponsiveContainer>
          </div>
        </div>
      )}
      <OverviewDrillDialog payload={drill} onClose={() => setDrill(null)} />
    </>
  );
}