import {MatButtonToggleGroup} from '@angular/material';
import {War} from '../models/model-interfaces';
import {Fraction} from './fraction.enum';

export const CSSHelpers = {
  getBackgroundCSS: (imageUrl) => {
    return 'background-image: url(' + imageUrl + ');' +
      'background-size: cover;' +
      'background-attachment: fixed;' +
      'background-position: center;' +
      'background-repeat: no-repeat;';
  }
};

export const FractionHelpers = {
  getFractionColor: (fraction, war?: War, style?) => {
    let switchInput;
    if (war) {
      switchInput = (fraction === 'BLUFOR' ? war.fractionMappingBlufor : war.fractionMappingOpfor);
    } else {
      switchInput = fraction;
    }

    switch (switchInput) {
      case Fraction.ARF:
        switch (style) {
          case 'LIGHT':
            return Fraction.COLOR_ARF_LIGHT;
          case 'DARK':
            return Fraction.COLOR_ARF_DARK;
          case 'GREY':
            return Fraction.COLOR_ARF_GREY;
          default:
            return Fraction.COLOR_ARF;
        }
      case 'BLUFOR':
        switch (style) {
          case 'LIGHT':
            return Fraction.COLOR_BLUFOR_LIGHT;
          case 'DARK':
            return Fraction.COLOR_BLUFOR_DARK;
          case 'GREY':
            return Fraction.COLOR_BLUFOR_GREY;
          default:
            return Fraction.COLOR_BLUFOR;
        }
      case 'OPFOR':
        switch (style) {
          case 'LIGHT':
            return Fraction.COLOR_OPFOR_LIGHT;
          case 'DARK':
            return Fraction.COLOR_OPFOR_DARK;
          case 'GREY':
            return Fraction.COLOR_OPFOR_GREY;
          default:
            return Fraction.COLOR_OPFOR;
        }
      case Fraction.SWORD:
        switch (style) {
          case 'LIGHT':
            return Fraction.COLOR_SWORD_LIGHT;
          case 'DARK':
            return Fraction.COLOR_SWORD_DARK;
          case 'GREY':
            return Fraction.COLOR_SWORD_GREY;
          default:
            return Fraction.COLOR_SWORD;
        }
    }
  },

  getFractionColors: (war: War, fraction) => {
    switch (fraction === 'BLUFOR' ? war.fractionMappingBlufor : war.fractionMappingOpfor) {
      case Fraction.ARF:
        return Fraction.COLOR_ARF;
      case 'BLUFOR':
        return Fraction.COLOR_BLUFOR;
      case 'OPFOR':
        return Fraction.COLOR_OPFOR;
      case Fraction.SWORD:
        return Fraction.COLOR_SWORD;
    }
  },

  getFractionName: (war: War, fraction) => {
    switch (fraction === 'BLUFOR' ? war.fractionMappingBlufor : war.fractionMappingOpfor) {
      case Fraction.ARF:
        return Fraction.ARF;
      case 'BLUFOR':
        return Fraction.BLUFOR;
      case 'OPFOR':
        return Fraction.OPFOR;
      case Fraction.SWORD:
        return Fraction.SWORD;
    }
  }
};

export const UIHelpers = {
  toggleReleaseButton: (currentVal, group?: MatButtonToggleGroup) => {
    if (group) {
      if (currentVal === group.value) {
        group.value = '';
        return '';
      }
      return group.value;
    }
    return currentVal;
  },
};