import { globalScene } from "#app/global-scene";
import type { BattlerIndex } from "#app/battle";
import { applyAbAttrs, applyPriorityBasedAbAttrs, CommanderAbAttr, PostSummonAbAttr } from "#app/data/ability";
import { ArenaTrapTag } from "#app/data/arena-tag";
import { StatusEffect } from "#app/enums/status-effect";
import { PokemonPhase } from "./pokemon-phase";
import { MysteryEncounterPostSummonTag } from "#app/data/battler-tags";
import { BattlerTagType } from "#enums/battler-tag-type";
import { Stat } from "#enums/stat";
import { PriorityAbilityActivationPhase } from "#app/phases/priority-ability-activation-phase";

export class PostSummonPhase extends PokemonPhase {
  /** Represents whether or not this phase has already been placed in the correct (speed) order */
  private ordered: boolean;

  constructor(battlerIndex?: BattlerIndex, ordered = false) {
    super(battlerIndex);

    this.ordered = ordered;
  }

  start() {
    super.start();

    const pokemon = this.getPokemon();

    if (
      !this.ordered &&
      globalScene.findPhase(phase => phase instanceof PostSummonPhase && phase.getPokemon() !== pokemon)
    ) {
      globalScene.pushPhase(new PostSummonPhase(pokemon.getBattlerIndex(), true));
      globalScene.phaseQueue.sort(
        (phaseA: PostSummonPhase, phaseB: PostSummonPhase) =>
          phaseB.getPokemon().getEffectiveStat(Stat.SPD) - phaseA.getPokemon().getEffectiveStat(Stat.SPD),
      );
      globalScene.phaseQueue.forEach((phase: PostSummonPhase) => {
        phase.ordered = true;
        const phasePokemon = phase.getPokemon();

        if (phasePokemon.hasPriorityAbility()) {
          globalScene.unshiftPhase(new PriorityAbilityActivationPhase(this.getPokemon().getBattlerIndex()));
        }
      });
      this.end();
      return;
    }

    if (pokemon.status?.effect === StatusEffect.TOXIC) {
      pokemon.status.toxicTurnCount = 0;
    }
    globalScene.arena.applyTags(ArenaTrapTag, false, pokemon);

    // If this is mystery encounter and has post summon phase tag, apply post summon effects
    if (
      globalScene.currentBattle.isBattleMysteryEncounter() &&
      pokemon.findTags(t => t instanceof MysteryEncounterPostSummonTag).length > 0
    ) {
      pokemon.lapseTag(BattlerTagType.MYSTERY_ENCOUNTER_POST_SUMMON);
    }

    applyPriorityBasedAbAttrs(pokemon, false);
    const field = pokemon.isPlayer() ? globalScene.getPlayerField() : globalScene.getEnemyField();
    for (const p of field) {
      applyAbAttrs(CommanderAbAttr, p, null, false);
    }

    this.end();
  }
}