export function makeMmsiPairHighlightExpr(aField: string, bField: string, hoveredMmsiList: number[]) {
  if (!Array.isArray(hoveredMmsiList) || hoveredMmsiList.length < 2) {
    return false;
  }
  const inA = ['in', ['to-number', ['get', aField]], ['literal', hoveredMmsiList]] as unknown[];
  const inB = ['in', ['to-number', ['get', bField]], ['literal', hoveredMmsiList]] as unknown[];
  return ['all', inA, inB] as unknown[];
}

export function makeMmsiAnyEndpointExpr(aField: string, bField: string, hoveredMmsiList: number[]) {
  if (!Array.isArray(hoveredMmsiList) || hoveredMmsiList.length === 0) {
    return false;
  }
  const literal = ['literal', hoveredMmsiList] as unknown[];
  return [
    'any',
    ['in', ['to-number', ['get', aField]], literal],
    ['in', ['to-number', ['get', bField]], literal],
  ] as unknown[];
}

export function makeFleetOwnerMatchExpr(hoveredOwnerKeys: string[]) {
  if (!Array.isArray(hoveredOwnerKeys) || hoveredOwnerKeys.length === 0) {
    return false;
  }
  const expr = ['match', ['to-string', ['coalesce', ['get', 'ownerKey'], '']]] as unknown[];
  for (const ownerKey of hoveredOwnerKeys) {
    expr.push(String(ownerKey), true);
  }
  expr.push(false);
  return expr;
}

export function makeFleetMemberMatchExpr(hoveredFleetMmsiList: number[]) {
  if (!Array.isArray(hoveredFleetMmsiList) || hoveredFleetMmsiList.length === 0) {
    return false;
  }
  const clauses = hoveredFleetMmsiList.map((mmsi) =>
    ['in', mmsi, ['coalesce', ['get', 'vesselMmsis'], ['literal', []]]] as unknown[],
  );
  return ['any', ...clauses] as unknown[];
}

export function makeGlobeCircleRadiusExpr() {
  const base3 = 4;
  const base7 = 6;
  const base10 = 8;
  const base14 = 12;
  const base18 = 32;

  return [
    'interpolate',
    ['linear'],
    ['zoom'],
    3,
    ['case', ['==', ['get', 'selected'], 1], 4.6, ['==', ['get', 'highlighted'], 1], 4.2, base3],
    7,
    ['case', ['==', ['get', 'selected'], 1], 6.8, ['==', ['get', 'highlighted'], 1], 6.2, base7],
    10,
    ['case', ['==', ['get', 'selected'], 1], 9.0, ['==', ['get', 'highlighted'], 1], 8.2, base10],
    14,
    ['case', ['==', ['get', 'selected'], 1], 13.5, ['==', ['get', 'highlighted'], 1], 12.6, base14],
    18,
    ['case', ['==', ['get', 'selected'], 1], 36, ['==', ['get', 'highlighted'], 1], 34, base18],
  ];
}

export const GLOBE_SHIP_CIRCLE_RADIUS_EXPR = makeGlobeCircleRadiusExpr() as never;