CalculationMethod.ts

import CalculationParameters from './CalculationParameters';
import { Rounding } from './Rounding';

const CalculationMethod = {
  // Muslim World League
  MuslimWorldLeague() {
    const params = new CalculationParameters('MuslimWorldLeague', 18, 17);
    params.methodAdjustments.dhuhr = 1;
    return params;
  },

  // Egyptian General Authority of Survey
  Egyptian() {
    const params = new CalculationParameters('Egyptian', 19.5, 17.5);
    params.methodAdjustments.dhuhr = 1;
    return params;
  },

  // University of Islamic Sciences, Karachi
  Karachi() {
    const params = new CalculationParameters('Karachi', 18, 18);
    params.methodAdjustments.dhuhr = 1;
    return params;
  },

  // Umm al-Qura University, Makkah
  UmmAlQura() {
    return new CalculationParameters('UmmAlQura', 18.5, 0, 90);
  },

  // Dubai
  Dubai() {
    const params = new CalculationParameters('Dubai', 18.2, 18.2);
    params.methodAdjustments = {
      ...params.methodAdjustments,
      sunrise: -3,
      dhuhr: 3,
      asr: 3,
      maghrib: 3,
    };
    return params;
  },

  // Moonsighting Committee
  MoonsightingCommittee() {
    const params = new CalculationParameters('MoonsightingCommittee', 18, 18);
    params.methodAdjustments = {
      ...params.methodAdjustments,
      dhuhr: 5,
      maghrib: 3,
    };

    return params;
  },

  // ISNA
  NorthAmerica() {
    const params = new CalculationParameters('NorthAmerica', 15, 15);
    params.methodAdjustments.dhuhr = 1;
    return params;
  },

  // Kuwait
  Kuwait() {
    return new CalculationParameters('Kuwait', 18, 17.5);
  },

  // Qatar
  Qatar() {
    return new CalculationParameters('Qatar', 18, 0, 90);
  },

  // Singapore
  Singapore() {
    const params = new CalculationParameters('Singapore', 20, 18);
    params.methodAdjustments.dhuhr = 1;
    params.rounding = Rounding.Up;
    return params;
  },

  // Institute of Geophysics, University of Tehran
  Tehran() {
    const params = new CalculationParameters('Tehran', 17.7, 14, 0, 4.5);
    return params;
  },

  // Dianet
  Turkey() {
    const params = new CalculationParameters('Turkey', 18, 17);
    params.methodAdjustments = {
      ...params.methodAdjustments,
      sunrise: -7,
      dhuhr: 5,
      asr: 4,
      maghrib: 7,
    };
    return params;
  },

  // Other
  Other() {
    return new CalculationParameters('Other', 0, 0);
  },
} as const;

export default CalculationMethod;