thebet365/apps/player/src/stores/betSlip.ts

import { defineStore } from 'pinia';
import { ref, computed } from 'vue';

export interface SlipItem {
  selectionId: string;
  oddsVersion: string;
  matchId: string;
  matchName: string;
  selectionName: string;
  odds: number;
  marketType: string;
}

export const useBetSlipStore = defineStore('betSlip', () => {
  const items = ref<SlipItem[]>([]);
  const stake = ref<number>(10);
  const mode = ref<'single' | 'parlay'>('single');

  const count = computed(() => items.value.length);
  const isParlay = computed(() => items.value.length >= 2);

  function addItem(item: SlipItem) {
    const existing = items.value.findIndex(
      (i) => i.selectionId === item.selectionId,
    );
    if (existing >= 0) {
      items.value.splice(existing, 1);
      return;
    }
    items.value.push(item);
    if (items.value.length >= 2) mode.value = 'parlay';
  }

  function removeItem(selectionId: string) {
    items.value = items.value.filter((i) => i.selectionId !== selectionId);
    if (items.value.length < 2) mode.value = 'single';
  }

  function clear() {
    items.value = [];
    mode.value = 'single';
  }

  const totalOdds = computed(() =>
    items.value.reduce((acc, i) => acc * i.odds, 1),
  );

  const potentialReturn = computed(() =>
    mode.value === 'parlay'
      ? stake.value * totalOdds.value
      : items.value.length === 1
        ? stake.value * items.value[0].odds
        : 0,
  );

  const hasSameMatch = computed(() => {
    const matchIds = items.value.map((i) => i.matchId);
    return new Set(matchIds).size !== matchIds.length;
  });

  return {
    items,
    stake,
    mode,
    count,
    isParlay,
    totalOdds,
    potentialReturn,
    hasSameMatch,
    addItem,
    removeItem,
    clear,
  };
});