import { GameState, PerkId } from "./types";
import {
  catchRateBest,
  catchRateGood,
  levelTimeBest,
  levelTimeGood,
  missesBest,
  missesGood,
  wallBouncedBest,
  wallBouncedGood,
} from "./pure_functions";
import { t } from "./i18n/i18n";
import { icons, upgrades } from "./loadGameData";
import { asyncAlert } from "./asyncAlert";
import {
  escapeAttribute,
  getPossibleUpgrades,
  levelsListHTMl,
  max_levels,
  upgradeLevelAndMaxDisplay,
} from "./game_utils";
import { getNearestUnlockHTML } from "./openScorePanel";

export async function openUpgradesPicker(gameState: GameState) {
  const catchRate =
    gameState.levelCoughtCoins / (gameState.levelSpawnedCoins || 1);

  let choices = 3;
  let livesWon = 1;
  let missedOpportunities = [];
  const good = ""; // '<strong>'+t('level_up.missed.good')+'</strong>: '
  const best = ""; //'<strong>'+t('level_up.missed.best')+'</strong>: '

  if (gameState.levelWallBounces < wallBouncedGood) {
    choices++;
    livesWon++;
  } else {
    missedOpportunities.push(
      good +
        t("level_up.missed.levelWallBounces.good", {
          target: wallBouncedGood,
        }),
    );
  }
  if (gameState.levelWallBounces < wallBouncedBest) {
    choices++;
  } else {
    missedOpportunities.push(
      best +
        t("level_up.missed.levelWallBounces.best", {
          target: wallBouncedBest,
        }),
    );
  }

  if (gameState.levelTime < levelTimeGood * 1000) {
    choices++;
    livesWon++;
  } else {
    missedOpportunities.push(
      good +
        t("level_up.missed.levelTime.good", {
          target: levelTimeGood,
        }),
    );
  }
  if (gameState.levelTime < levelTimeBest * 1000) {
    choices++;
  } else {
    missedOpportunities.push(
      best +
        t("level_up.missed.levelTime.best", {
          target: levelTimeBest,
        }),
    );
  }

  if (catchRate > catchRateGood / 100) {
    choices++;
    livesWon++;
  } else {
    missedOpportunities.push(
      good +
        t("level_up.missed.catchRate.good", {
          target: catchRateGood,
        }),
    );
  }
  if (catchRate > catchRateBest / 100) {
    choices++;
  } else {
    missedOpportunities.push(
      best +
        t("level_up.missed.catchRate.best", {
          target: catchRateBest,
        }),
    );
  }

  if (gameState.levelMisses < missesGood) {
    choices++;
    livesWon++;
  } else {
    missedOpportunities.push(
      good +
        t("level_up.missed.levelMisses.good", {
          target: missesGood,
        }),
    );
  }
  if (gameState.levelMisses < missesBest) {
    choices++;
  } else {
    missedOpportunities.push(
      best +
        t("level_up.missed.levelMisses.best", {
          target: missesBest,
        }),
    );
  }

  gameState.extra_lives += livesWon;

  let offered: PerkId[] = getPossibleUpgrades(gameState)
    .map((u) => ({
      ...u,
      score: Math.random() + (gameState.lastOffered[u.id] || 0),
    }))
    .sort((a, b) => a.score - b.score)
    .filter((u) => gameState.perks[u.id] < u.max + gameState.perks.limitless)
    .map((u) => u.id);

  const fromStart = upgrades
    .map((u) => u.id)
    .filter((id) => gameState.perks[id]);

  while (true) {
    const updatedChoices = gameState.perks.one_more_choice + choices;
    let list = upgrades.filter(
      (u) =>
        offered.slice(0, updatedChoices).includes(u.id) ||
        gameState.perks[u.id],
    );

    list = list
      .filter((u) => fromStart.includes(u.id))
      .concat(list.filter((u) => !fromStart.includes(u.id)));

    list.forEach((u) => {
      dontOfferTooSoon(gameState, u.id);
    });

    const upgradeId = await asyncAlert<PerkId | null>({
      title: t("level_up.title", {
        level: gameState.currentLevel,
        max: max_levels(gameState),
      }),
      content: [
        {
          text: t("level_up.go", { name: gameState.level.name }),
          icon: icons[gameState.level.name],
          value: null,
        },

        gameState.extra_lives
          ? `<p>${t("level_up.instructions", {
              count: gameState.extra_lives,
              gain: livesWon,
            })}</p>`
          : `<p>${t("level_up.no_points")}</p>`,
        ...list.map((u) => {
          const max = u.max + gameState.perks.limitless;
          const lvl = gameState.perks[u.id];

          const button =
            !gameState.extra_lives || gameState.perks[u.id] >= max
              ? ""
              : ` <button data-resolve-to="${u.id}">${
                  lvl ? t("level_up.upgrade") : t("level_up.pick")
                }</button>`;

          const lvlInfo = lvl ? upgradeLevelAndMaxDisplay(u, gameState) : "";
          return `<div  class="upgrade choice ${
            (!lvl && gameState.extra_lives && "free") ||
            (lvl && "used") ||
            "greyed-out"
          }" >
                        ${icons["icon:" + u.id]}
                        <p data-tooltip="${escapeAttribute(u.fullHelp(Math.max(1, lvl)))}">
                        <strong>${u.name}</strong> ${lvlInfo}
                        ${u.help(Math.max(1, lvl))}
                        </p>
                       ${button}
                    </div>`;
        }),
        ...missedOpportunities.map(
          (reason) =>
            `<div  class="upgrade choice greyed-out" >
                        ${icons["icon:locked"]}
                        <p> 
                        ${reason}
                        </p>
                    </div>`,
        ),
        levelsListHTMl(gameState, gameState.currentLevel),
        getNearestUnlockHTML(gameState),
        `<div id="level-recording-container"></div>`,
      ],
    });

    if (upgradeId) {
      gameState.perks[upgradeId]++;
      gameState.runStatistics.upgrades_picked++;
      gameState.extra_lives--;
    } else {
      return;
    }
  }
}

export function dontOfferTooSoon(gameState: GameState, id: PerkId) {
  gameState.lastOffered[id] = Math.round(Date.now() / 1000);
}