'use client';

import 'uplot/dist/uPlot.min.css';
import uPlot from 'uplot';
import { useApp } from '@/lib/context';
import { resolveName } from '@/lib/localization';
import { CardShell } from './CardShell';
import { makeYScale, makeAnnotationHooks, makeSignalsSeries, makeSignalsAxes, CURSOR_NO_DRAG } from './plotHelpers';
import { buildSeriesData } from './seriesData';
import { usePlot } from './usePlot';
import type { AlertConfig, ChartConfig, SessionBoundary, SignalRow } from '@/lib/types';
import type { TimeMode } from '@/lib/types';

interface Props {
  config:   ChartConfig;
  rows:     SignalRow[];
  sessions: SessionBoundary[];
  alerts:   AlertConfig[];
  timeMode: TimeMode;
  onEdit:   () => void;
  onDelete: () => void;
}

export default function SignalsChart({ config, rows, sessions, alerts, timeMode, onEdit, onDelete }: Props) {
  const { localeMap } = useApp();

  const { containerRef, legendRef } = usePlot(
    (el, w, h, lRef) => {
      const data = buildSeriesData(rows, config.signal_type, timeMode);
      if (!data) return null;

      const { keys, allXs, data: seriesData } = data;
      const sessionXs       = sessions.map(s => timeMode === 'tick' ? s.game_tick : new Date(s.real_time).getTime() / 1000);
      const alertThresholds = alerts
        .filter(a => config.signal_type === 'both' || config.signal_type === a.signal_type)
        .map(a => a.threshold);

      return new uPlot({
        width:  w,
        height: h,
        cursor: CURSOR_NO_DRAG,
        legend: {
          mount: (_u, legendEl) => {
            if (lRef.current) lRef.current.appendChild(legendEl);
          },
        },
        series: makeSignalsSeries(keys, timeMode, key => resolveName(key, localeMap)),
        axes:   makeSignalsAxes(timeMode),
        scales: {
          x: { time: false },
          y: makeYScale(config.y_min ?? null, config.y_max ?? null, config.y_scale),
        },
        hooks: makeAnnotationHooks(sessionXs, alertThresholds),
      }, [allXs, ...seriesData], el);
    },
    [rows, sessions, alerts, config, timeMode, localeMap],
  );

  return (
    <CardShell title={config.title} onEdit={onEdit} onDelete={onDelete} empty={rows.length === 0} legendContainerRef={legendRef}>
      <div ref={containerRef as React.RefObject<HTMLDivElement>} className="w-full h-full" />
    </CardShell>
  );
}