import { ZONE_META } from "../../entities/zone/model/meta";
import { SPEED_MAX, VESSEL_TYPES } from "../../entities/vessel/model/meta";
import type { DerivedLegacyVessel } from "../../features/legacyDashboard/model/types";
import { haversineNm } from "../../shared/lib/geo/haversineNm";
import { OVERLAY_RGB, rgbToHex } from "../../shared/lib/map/palette";

type Props = {
  vessel: DerivedLegacyVessel;
  allVessels: DerivedLegacyVessel[];
  onClose: () => void;
  onSelectMmsi?: (mmsi: number) => void;
};

export function VesselInfoPanel({ vessel: v, allVessels, onClose, onSelectMmsi }: Props) {
  const t = VESSEL_TYPES[v.shipCode];
  const ownerLabel = v.ownerCn || v.ownerRoman || v.ownerKey || "-";
  const primary = t.speedProfile.filter((s) => s.primary);
  const inRange = v.sog !== null && primary.length ? primary.some((s) => v.sog! >= s.range[0] && v.sog! <= s.range[1]) : false;

  const pair = v.pairPermitNo ? allVessels.find((v2) => v2.permitNo === v.pairPermitNo) ?? null : null;
  const pairDist = pair ? haversineNm(v.lat, v.lon, pair.lat, pair.lon) : null;

  const month = new Date().getMonth();

  const zone = v.zoneId ? ZONE_META[v.zoneId] : null;
  const allowed = v.zoneId ? t.allowedZones.includes(v.zoneId) : null;

  return (
    <div className="map-info" role="dialog" aria-label="vessel info">
      <button className="close-btn" onClick={onClose} aria-label="close">
        ✕
      </button>

      <div style={{ display: "flex", alignItems: "center", gap: 8, marginBottom: 8 }}>
        <span style={{ fontSize: 20 }}>{t.icon}</span>
        <div style={{ minWidth: 0 }}>
          <div style={{ fontSize: 16, fontWeight: 900, color: t.color, whiteSpace: "nowrap", overflow: "hidden", textOverflow: "ellipsis" }}>
            {v.permitNo}
          </div>
          <div style={{ fontSize: 10, color: "var(--muted)", whiteSpace: "nowrap", overflow: "hidden", textOverflow: "ellipsis" }}>
            {v.shipCode} · {t.name} · {v.name}
          </div>
        </div>
      </div>

      <div className="ir">
        <span className="il">속도</span>
        <span className="iv" style={{ color: inRange ? "#22C55E" : "var(--muted)" }}>
          {v.sog !== null ? v.sog.toFixed(1) : "?"}kt {inRange ? "(조업범위)" : "(범위외)"}
        </span>
      </div>
      <div className="ir">
        <span className="il">상태</span>
        <span className="iv">{v.state.label}</span>
      </div>
      <div className="ir">
        <span className="il">수역</span>
        <span className="iv" style={{ color: zone?.color ?? "var(--text)" }}>
          {zone ? `${zone.label} ${allowed === null ? "" : allowed ? "✓허가" : "⚠이탈"}` : "-"}
        </span>
      </div>
      <div className="ir">
        <span className="il">위치</span>
        <span className="iv">
          {v.lat.toFixed(3)}°N {v.lon.toFixed(3)}°E
        </span>
      </div>
      <div className="ir">
        <span className="il">MMSI</span>
        <span className="iv">{v.mmsi}</span>
      </div>
      <div className="ir">
        <span className="il">CallSign</span>
        <span className="iv">{v.callsign || "-"}</span>
      </div>
      <div className="ir">
        <span className="il">Msg TS</span>
        <span className="iv">{v.messageTimestamp || "-"}</span>
      </div>
      <div className="ir">
        <span className="il">소유주</span>
        <span className="iv" style={{ maxWidth: 160, whiteSpace: "nowrap", overflow: "hidden", textOverflow: "ellipsis" }} title={ownerLabel}>
          {ownerLabel}
        </span>
      </div>

      {pair && pairDist !== null ? (
        <>
          <div className="ir">
            <span className="il">쌍 선박</span>
            <span className="iv" style={{ color: VESSEL_TYPES[pair.shipCode].color, cursor: onSelectMmsi ? "pointer" : undefined }} onClick={() => onSelectMmsi?.(pair.mmsi)}>
              {pair.permitNo} ({pair.shipCode})
            </span>
          </div>
          <div className="ir">
            <span className="il">쌍 이격</span>
            <span className="iv" style={{ color: pairDist > 3 ? rgbToHex(OVERLAY_RGB.pairWarn) : "#22C55E" }}>
              {pairDist.toFixed(2)}NM {pairDist > 3 ? "⚠" : "✓"}
            </span>
          </div>
        </>
      ) : null}

      <div style={{ marginTop: 8 }}>
        <div style={{ fontSize: 8, fontWeight: 700, color: "var(--muted)", marginBottom: 2 }}>속도 vs 조업범위</div>
        <div style={{ position: "relative", height: 14, background: "var(--bg)", borderRadius: 3, overflow: "visible" }}>
          {t.speedProfile.map((s) => {
            const left = (s.range[0] / SPEED_MAX) * 100;
            const width = ((s.range[1] - s.range[0]) / SPEED_MAX) * 100;
            return (
              <div
                key={`${s.label}-${s.range[0]}`}
                style={{
                  position: "absolute",
                  top: s.primary ? 0 : 2,
                  height: s.primary ? 14 : 8,
                  left: `${left}%`,
                  width: `${width}%`,
                  background: s.color,
                  borderRadius: 2,
                  opacity: s.primary ? 0.9 : 0.4,
                }}
              />
            );
          })}
          <div
            style={{
              position: "absolute",
              top: -2,
              left: `${Math.min(((v.sog ?? 0) / SPEED_MAX) * 100, 100)}%`,
              width: 2,
              height: 18,
              background: "#FFF",
              borderRadius: 1,
              boxShadow: "0 0 4px #FFF",
            }}
          />
        </div>
        <div style={{ display: "flex", justifyContent: "space-between", marginTop: 1 }}>
          {[0, 5, 10, 15].map((k) => (
            <span key={k} style={{ fontSize: 6, color: "rgba(255,255,255,.2)" }}>
              {k}
            </span>
          ))}
        </div>
      </div>

      <div style={{ marginTop: 6 }}>
        <div style={{ fontSize: 8, fontWeight: 700, color: "var(--muted)", marginBottom: 2 }}>월별 강도</div>
        <div className="month-row">
          {t.monthlyIntensity.map((val, i) => {
            const cur = i === month;
            const bg = val === 0 ? "#EF444433" : `${t.color}${Math.round(val * 200).toString(16).padStart(2, "0")}`;
            const border = cur ? "1.5px solid #FFF" : "none";
            const color = val === 0 ? "#EF4444" : cur ? "#FFF" : "transparent";
            const text = val === 0 ? "✗" : cur ? "◉" : "";
            return (
              <div key={i} className="month-cell" style={{ background: bg, border, color }}>
                {text}
              </div>
            );
          })}
        </div>
      </div>
    </div>
  );
}