import { Biome } from "#app/enums/biome";
import { MysteryEncounterType } from "#app/enums/mystery-encounter-type";
import { Species } from "#app/enums/species";
import GameManager from "#app/test/utils/gameManager";
import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
import * as EncounterPhaseUtils from "#app/data/mystery-encounters/utils/encounter-phase-utils";
import { runMysteryEncounterToEnd, runSelectMysteryEncounterOption, skipBattleRunMysteryEncounterRewardsPhase } from "#test/mystery-encounter/encounter-test-utils";
import BattleScene from "#app/battle-scene";
import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
import * as MysteryEncounters from "#app/data/mystery-encounters/mystery-encounters";
import { Moves } from "#enums/moves";
import { DancingLessonsEncounter } from "#app/data/mystery-encounters/encounters/dancing-lessons-encounter";
import { Mode } from "#app/ui/ui";
import ModifierSelectUiHandler from "#app/ui/modifier-select-ui-handler";
import { PokemonMove } from "#app/field/pokemon";
import { MysteryEncounterPhase } from "#app/phases/mystery-encounter-phases";
import { CommandPhase } from "#app/phases/command-phase";
import { MovePhase } from "#app/phases/move-phase";
import { SelectModifierPhase } from "#app/phases/select-modifier-phase";
import { LearnMovePhase } from "#app/phases/learn-move-phase";

const namespace = "mysteryEncounter:dancingLessons";
const defaultParty = [Species.LAPRAS, Species.GENGAR, Species.ABRA];
const defaultBiome = Biome.PLAINS;
const defaultWave = 45;

describe("Dancing Lessons - Mystery Encounter", () => {
  let phaserGame: Phaser.Game;
  let game: GameManager;
  let scene: BattleScene;

  beforeAll(() => {
    phaserGame = new Phaser.Game({ type: Phaser.HEADLESS });
  });

  beforeEach(async () => {
    game = new GameManager(phaserGame);
    scene = game.scene;
    game.override.mysteryEncounterChance(100);
    game.override.startingWave(defaultWave);
    game.override.startingBiome(defaultBiome);
    game.override.disableTrainerWaves();

    vi.spyOn(MysteryEncounters, "mysteryEncountersByBiome", "get").mockReturnValue(
      new Map<Biome, MysteryEncounterType[]>([
        [Biome.PLAINS, [MysteryEncounterType.DANCING_LESSONS]],
        [Biome.SPACE, [MysteryEncounterType.MYSTERIOUS_CHALLENGERS]],
      ])
    );
  });

  afterEach(() => {
    game.phaseInterceptor.restoreOg();
    vi.clearAllMocks();
    vi.resetAllMocks();
  });

  it("should have the correct properties", async () => {
    await game.runToMysteryEncounter(MysteryEncounterType.DANCING_LESSONS, defaultParty);

    expect(DancingLessonsEncounter.encounterType).toBe(MysteryEncounterType.DANCING_LESSONS);
    expect(DancingLessonsEncounter.encounterTier).toBe(MysteryEncounterTier.GREAT);
    expect(DancingLessonsEncounter.dialogue).toBeDefined();
    expect(DancingLessonsEncounter.dialogue.intro).toStrictEqual([{ text: `${namespace}.intro` }]);
    expect(DancingLessonsEncounter.dialogue.encounterOptionsDialogue?.title).toBe(`${namespace}.title`);
    expect(DancingLessonsEncounter.dialogue.encounterOptionsDialogue?.description).toBe(`${namespace}.description`);
    expect(DancingLessonsEncounter.dialogue.encounterOptionsDialogue?.query).toBe(`${namespace}.query`);
    expect(DancingLessonsEncounter.options.length).toBe(3);
  });

  it("should not spawn outside of proper biomes", async () => {
    game.override.mysteryEncounterTier(MysteryEncounterTier.GREAT);
    game.override.startingBiome(Biome.SPACE);
    await game.runToMysteryEncounter();

    expect(game.scene.currentBattle.mysteryEncounter?.encounterType).not.toBe(MysteryEncounterType.DANCING_LESSONS);
  });

  describe("Option 1 - Fight the Oricorio", () => {
    it("should have the correct properties", () => {
      const option1 = DancingLessonsEncounter.options[0];
      expect(option1.optionMode).toBe(MysteryEncounterOptionMode.DEFAULT);
      expect(option1.dialogue).toBeDefined();
      expect(option1.dialogue).toStrictEqual({
        buttonLabel: `${namespace}.option.1.label`,
        buttonTooltip: `${namespace}.option.1.tooltip`,
        selected: [
          {
            text: `${namespace}.option.1.selected`,
          },
        ],
      });
    });

    it("should start battle against Oricorio", async () => {
      const phaseSpy = vi.spyOn(scene, "pushPhase");

      await game.runToMysteryEncounter(MysteryEncounterType.DANCING_LESSONS, defaultParty);
      // Make party lead's level arbitrarily high to not get KOed by move
      const partyLead = scene.getParty()[0];
      partyLead.level = 1000;
      partyLead.calculateStats();
      await runMysteryEncounterToEnd(game, 1, undefined, true);

      const enemyField = scene.getEnemyField();
      expect(scene.getCurrentPhase()?.constructor.name).toBe(CommandPhase.name);
      expect(enemyField.length).toBe(1);
      expect(enemyField[0].species.speciesId).toBe(Species.ORICORIO);
      expect(enemyField[0].summonData.statStages).toEqual([1, 1, 1, 1, 0, 0, 0]);
      const moveset = enemyField[0].moveset.map(m => m?.moveId);
      expect(moveset.some(m => m === Moves.REVELATION_DANCE)).toBeTruthy();

      const movePhases = phaseSpy.mock.calls.filter(p => p[0] instanceof MovePhase).map(p => p[0]);
      expect(movePhases.length).toBe(1);
      expect(movePhases.filter(p => (p as MovePhase).move.moveId === Moves.REVELATION_DANCE).length).toBe(1); // Revelation Dance used before battle
    });

    it("should have a Baton in the rewards after battle", async () => {
      await game.runToMysteryEncounter(MysteryEncounterType.DANCING_LESSONS, defaultParty);
      // Make party lead's level arbitrarily high to not get KOed by move
      const partyLead = scene.getParty()[0];
      partyLead.level = 1000;
      partyLead.calculateStats();
      await runMysteryEncounterToEnd(game, 1, undefined, true);
      // For some reason updateModifiers breaks in this test and does not resolve promise
      vi.spyOn(game.scene, "updateModifiers").mockImplementation(() => new Promise(resolve => resolve()));
      await skipBattleRunMysteryEncounterRewardsPhase(game);
      await game.phaseInterceptor.to(SelectModifierPhase, false);
      expect(scene.getCurrentPhase()?.constructor.name).toBe(SelectModifierPhase.name);
      await game.phaseInterceptor.run(SelectModifierPhase);

      expect(scene.ui.getMode()).to.equal(Mode.MODIFIER_SELECT);
      const modifierSelectHandler = scene.ui.handlers.find(h => h instanceof ModifierSelectUiHandler) as ModifierSelectUiHandler;
      expect(modifierSelectHandler.options.length).toEqual(3); // Should fill remaining
      expect(modifierSelectHandler.options[0].modifierTypeOption.type.id).toContain("BATON");
    });
  });

  describe("Option 2 - Learn its Dance", () => {
    it("should have the correct properties", () => {
      const option = DancingLessonsEncounter.options[1];
      expect(option.optionMode).toBe(MysteryEncounterOptionMode.DEFAULT);
      expect(option.dialogue).toBeDefined();
      expect(option.dialogue).toStrictEqual({
        buttonLabel: `${namespace}.option.2.label`,
        buttonTooltip: `${namespace}.option.2.tooltip`,
        selected: [
          {
            text: `${namespace}.option.2.selected`,
          },
        ],
      });
    });

    it("Should select a pokemon to learn Revelation Dance", async () => {
      const phaseSpy = vi.spyOn(scene, "unshiftPhase");

      await game.runToMysteryEncounter(MysteryEncounterType.DANCING_LESSONS, defaultParty);
      scene.getParty()[0].moveset = [];
      await runMysteryEncounterToEnd(game, 2, { pokemonNo: 1 });

      const movePhases = phaseSpy.mock.calls.filter(p => p[0] instanceof LearnMovePhase).map(p => p[0]);
      expect(movePhases.length).toBe(1);
      expect(movePhases.filter(p => (p as LearnMovePhase)["moveId"] === Moves.REVELATION_DANCE).length).toBe(1); // Revelation Dance taught to pokemon
    });

    it("should leave encounter without battle", async () => {
      const leaveEncounterWithoutBattleSpy = vi.spyOn(EncounterPhaseUtils, "leaveEncounterWithoutBattle");

      await game.runToMysteryEncounter(MysteryEncounterType.DANCING_LESSONS, defaultParty);
      scene.getParty()[0].moveset = [];
      await runMysteryEncounterToEnd(game, 2, { pokemonNo: 1 });

      expect(leaveEncounterWithoutBattleSpy).toBeCalled();
    });
  });

  describe("Option 3 - Teach it a Dance", () => {
    it("should have the correct properties", () => {
      const option = DancingLessonsEncounter.options[2];
      expect(option.optionMode).toBe(MysteryEncounterOptionMode.DISABLED_OR_SPECIAL);
      expect(option.dialogue).toBeDefined();
      expect(option.dialogue).toStrictEqual({
        buttonLabel: `${namespace}.option.3.label`,
        buttonTooltip: `${namespace}.option.3.tooltip`,
        disabledButtonTooltip: `${namespace}.option.3.disabled_tooltip`,
        secondOptionPrompt: `${namespace}.option.3.select_prompt`,
        selected: [
          {
            text: `${namespace}.option.3.selected`,
          },
        ],
      });
    });

    it("should add Oricorio to the party", async () => {
      await game.runToMysteryEncounter(MysteryEncounterType.DANCING_LESSONS, defaultParty);
      const partyCountBefore = scene.getParty().length;
      scene.getParty()[0].moveset = [new PokemonMove(Moves.DRAGON_DANCE)];
      await runMysteryEncounterToEnd(game, 3, {pokemonNo: 1, optionNo: 1});
      const partyCountAfter = scene.getParty().length;

      expect(partyCountBefore + 1).toBe(partyCountAfter);
      const oricorio = scene.getParty()[scene.getParty().length - 1];
      expect(oricorio.species.speciesId).toBe(Species.ORICORIO);
      const moveset = oricorio.moveset.map(m => m?.moveId);
      expect(moveset?.some(m => m === Moves.REVELATION_DANCE)).toBeTruthy();
      expect(moveset?.some(m => m === Moves.DRAGON_DANCE)).toBeTruthy();
    });

    it("should NOT be selectable if the player doesn't have a Dance type move", async () => {
      await game.runToMysteryEncounter(MysteryEncounterType.DANCING_LESSONS, defaultParty);
      const partyCountBefore = scene.getParty().length;
      scene.getParty().forEach(p => p.moveset = []);
      await game.phaseInterceptor.to(MysteryEncounterPhase, false);

      const encounterPhase = scene.getCurrentPhase();
      expect(encounterPhase?.constructor.name).toBe(MysteryEncounterPhase.name);
      const mysteryEncounterPhase = encounterPhase as MysteryEncounterPhase;
      vi.spyOn(mysteryEncounterPhase, "continueEncounter");
      vi.spyOn(mysteryEncounterPhase, "handleOptionSelect");
      vi.spyOn(scene.ui, "playError");

      await runSelectMysteryEncounterOption(game, 3);
      const partyCountAfter = scene.getParty().length;

      expect(scene.getCurrentPhase()?.constructor.name).toBe(MysteryEncounterPhase.name);
      expect(scene.ui.playError).not.toHaveBeenCalled(); // No error sfx, option is disabled
      expect(mysteryEncounterPhase.handleOptionSelect).not.toHaveBeenCalled();
      expect(mysteryEncounterPhase.continueEncounter).not.toHaveBeenCalled();
      expect(partyCountBefore).toBe(partyCountAfter);
    });

    it("should leave encounter without battle", async () => {
      const leaveEncounterWithoutBattleSpy = vi.spyOn(EncounterPhaseUtils, "leaveEncounterWithoutBattle");

      await game.runToMysteryEncounter(MysteryEncounterType.DANCING_LESSONS, defaultParty);
      scene.getParty()[0].moveset = [new PokemonMove(Moves.DRAGON_DANCE)];
      await runMysteryEncounterToEnd(game, 3, {pokemonNo: 1, optionNo: 1});

      expect(leaveEncounterWithoutBattleSpy).toBeCalled();
    });
  });
});