import { RankingTrackProps } from '../model/rankingTrack';
import { allAvatars } from '../model/user';

const randomTeamsNames = [
  'Rogue',
  'MAD Lions',
  'G2',
  'Fanatic',
  'SK Gaming',
  'FC Schalke 04',
  'Excel',
  'Team Vitality',
  'Misfits',
  'Astralis',
];

const generateRandomRanking = (): RankingTrackProps => {
  // From 1 to 10
  const totalTeamsInTrack = 1 + Math.floor(Math.random() * 10);
  const totalStages = 1 + Math.floor(Math.random() * 5);
  // Random sort
  randomTeamsNames.sort(() => Math.random() * 2 - 1);
  let teams = new Array(totalTeamsInTrack).fill({}).map((_, i) => ({
    id: i,
    name: randomTeamsNames[i],
    position: i,
    points: new Array<number>(totalStages).fill(0),
    mainAvatar: allAvatars[Math.floor(Math.random() * allAvatars.length)],
  }));
  teams.forEach((team) => {
    let accumulatedPoints = 0;
    for (let i = 0; i < totalStages; i++) {
      accumulatedPoints += Math.floor(5 * Math.random());
      // eslint-disable-next-line no-param-reassign
      team.points[i] = accumulatedPoints;
    }
  });
  teams.sort((a, b) => b.points[totalStages - 1] - a.points[totalStages - 1]);
  teams = teams.map((x, i) => ({
    ...x,
    position: i,
  }));
  for (let i = 1; i < teams.length; i++) {
    const team = teams[i];
    const lastTeam = teams[i-1];
    if(lastTeam.points[totalStages - 1] === team.points[totalStages- 1]) {
      team.position = lastTeam.position;
    }
  }
  teams.sort((a, b) => a.id - b.id);  
  return {
    teams,
    maxPoints: Math.max(10, ...teams.map((x) => x.points[totalStages-1])),
    xOffset: 0,
    yOffset: 0,
    totalStages,
  };
};

export default generateRandomRanking;