import * as Breakdown from '../components/Breakdown/index.js';
import NoData, { NoDataType } from '../components/NoData.js';
import PoweredBy, { PoweredByType } from '../components/PoweredBy.js';
import TitleBar from '../components/TitleBar.js';
import Wrapper from '../components/Wrapper.js';
import { BLITZ_SERVERS } from '../constants/servers.js';
import calculateWN8 from '../core/blitz/calculateWN8.js';
import getTankStats from '../core/blitz/getTankStats.js';
import getWargamingResponse from '../core/blitz/getWargamingResponse.js';
import resolveTankName from '../core/blitz/resolveTankName.js';
import sumStats from '../core/blitz/sumStats.js';
import { tankopedia } from '../core/blitz/tankopedia.js';
import getPeriodNow from '../core/blitzstars/getPeriodNow.js';
import getTankStatsDiffed from '../core/blitzstars/getTankStatsDiffed.js';
import getTimeDaysAgo from '../core/blitzstars/getTimeDaysAgo.js';
import { tankAverages } from '../core/blitzstars/tankAverages.js';
import { ResolvedPlayer } from '../core/discord/resolvePlayerFromCommand.js';
import { WARGAMING_APPLICATION_ID } from '../core/node/arguments.js';
import { AccountInfo, AllStats } from '../types/accountInfo.js';
import { PlayerClanData } from '../types/playerClanData.js';
import { PossiblyPromise } from '../types/possiblyPromise.js';

export default async function today({ server, id }: ResolvedPlayer) {
  const tankStatsOverTime = await getTankStatsDiffed(
    server,
    id,
    getTimeDaysAgo(0),
    getPeriodNow(),
  );
  const accountInfo = await getWargamingResponse<AccountInfo>(
    `https://api.wotblitz.${server}/wotb/account/info/?application_id=${WARGAMING_APPLICATION_ID}&account_id=${id}`,
  );
  const clanData = await getWargamingResponse<PlayerClanData>(
    `https://api.wotblitz.${server}/wotb/clans/accountinfo/?application_id=${WARGAMING_APPLICATION_ID}&account_id=${id}&extra=clan`,
  );
  const careerTankStatsRaw = await getTankStats(server, id);
  const careerStats: Record<number, AllStats> = {
    0: accountInfo[id].statistics.all,
  };
  const allStatsToAccumulate: AllStats[] = [];

  Object.entries(tankStatsOverTime).forEach(([, tankStats]) => {
    allStatsToAccumulate.push(tankStats);
  });
  Object.entries(careerTankStatsRaw).forEach(([, tankStats]) => {
    careerStats[tankStats.tank_id] = tankStats.all;
  });

  const accumulatedStats = sumStats(allStatsToAccumulate);

  if (Object.keys(tankStatsOverTime).length > 0) {
    tankStatsOverTime[0] = accumulatedStats;
  }

  const tankStatsOverTimeEntries = Object.entries(tankStatsOverTime);
  const todayWN8s = await tankStatsOverTimeEntries.reduce<
    PossiblyPromise<Record<number, number>>
  >(async (accumulator, [tankIdString, tankStats]) => {
    const tankId = Number(tankIdString);

    return tankId === 0 || (await tankAverages)[tankId] === undefined
      ? accumulator
      : {
          ...accumulator,
          [tankId]: calculateWN8((await tankAverages)[tankId].all, tankStats),
        };
  }, {});
  const careerWN8s = await careerTankStatsRaw.reduce<
    PossiblyPromise<Record<number, number>>
  >(async (accumulator, { tank_id }) => {
    return tank_id === 0 || (await tankAverages)[tank_id] === undefined
      ? accumulator
      : {
          ...accumulator,
          [tank_id]: calculateWN8(
            (await tankAverages)[tank_id].all,
            careerStats[tank_id],
          ),
        };
  }, {});
  const todayWN8sEntries = Object.entries(todayWN8s);
  const careerWN8sEntries = Object.entries(careerWN8s);

  todayWN8s[0] =
    todayWN8sEntries.reduce(
      (accumulator, [tankIdString, wn8]) =>
        accumulator + wn8 * tankStatsOverTime[Number(tankIdString)].battles,
      0,
    ) /
    todayWN8sEntries.reduce(
      (accumulator, [tankIdString]) =>
        accumulator + tankStatsOverTime[Number(tankIdString)].battles,
      0,
    );
  careerWN8s[0] =
    careerWN8sEntries.reduce(
      (accumulator, [tankIdString, WN8]) =>
        isNaN(WN8)
          ? accumulator
          : accumulator + WN8 * careerStats[Number(tankIdString)].battles,
      0,
    ) /
    careerWN8sEntries.reduce(
      (accumulator, [tankIdString, WN8]) =>
        isNaN(WN8)
          ? accumulator
          : accumulator + careerStats[Number(tankIdString)].battles,
      0,
    );

  const rows = await Promise.all(
    tankStatsOverTimeEntries.map(async ([tankIdString, tankStats]) => {
      const tankId = Number(tankIdString);
      const career = careerStats[tankId];

      return (
        <Breakdown.Row
          key={tankId}
          name={
            tankId === 0 ? 'Total' : await resolveTankName(Number(tankIdString))
          }
          winrate={tankStats.wins / tankStats.battles}
          careerWinrate={career.wins / career.battles}
          WN8={isNaN(todayWN8s[tankId]) ? undefined : todayWN8s[tankId]}
          careerWN8={isNaN(careerWN8s[tankId]) ? undefined : careerWN8s[tankId]}
          damage={tankStats.damage_dealt / tankStats.battles}
          careerDamage={career.damage_dealt / career.battles}
          survival={tankStats.survived_battles / tankStats.battles}
          careerSurvival={career.survived_battles / career.battles}
          battles={tankStats.battles}
          careerBattles={career.battles}
          icon={
            tankId === 0
              ? undefined
              : (await tankopedia)[tankIdString as unknown as number].images
                  .normal
          }
        />
      );
    }),
  );

  return (
    <Wrapper>
      <TitleBar
        name={accountInfo[id].nickname}
        nameDiscriminator={
          clanData[id]?.clan ? `[${clanData[id]?.clan?.tag}]` : undefined
        }
        image={
          clanData[id]?.clan
            ? `https://wotblitz-gc.gcdn.co/icons/clanEmblems1x/clan-icon-v2-${clanData[id]?.clan?.emblem_set_id}.png`
            : undefined
        }
        description={`Today's breakdown • ${new Date().toDateString()} • ${
          BLITZ_SERVERS[server]
        }`}
      />

      {rows.length === 0 && <NoData type={NoDataType.BattlesInPeriod} />}
      {rows.length > 0 && <Breakdown.Root>{rows}</Breakdown.Root>}

      <PoweredBy type={PoweredByType.BlitzStars} />
    </Wrapper>
  );
}