import { beforeEach, describe, expect, it } from "vitest";
import { createDefaultAppearance } from "./characterCatalog";
import { useShellStore } from "./shellStore";
import { installDungeonShellRuntime } from "./dungeonShellRuntime";
import { installManastormShellRuntime } from "./manastormShellRuntime";
import { DUNGEON_MANIFEST } from "../game/dungeonManifest";
import { useGameStore } from "../game/store";
import { useManastormStore } from "../game/manastormStore";
import { createEmptyManastormProgress, recordManastormCheckpoint } from "../game/manastormProgress";
import {
  manastormActiveSpellLoadoutModel,
} from "../game/manastormSpellLoadout";
import {
  mergeManastormUnlockedContent,
  setManastormLoadout,
} from "../game/manastormProgress";
import {
  DEFAULT_MANASTORM_ADMIN_CONFIG,
  UNIFIED_MANASTORM_BOSS_CATALOG,
  resolveBossAdminEntry,
} from "../game/manastormAdminConfig";
import { useManastormAdminStore } from "../game/manastormAdminStore";

installDungeonShellRuntime();
installManastormShellRuntime();

const character = {
  id: "character-1",
  ownerId: "offline-roster",
  name: "Remedy",
  raceId: "human" as const,
  classId: "priest" as const,
  gender: "female" as const,
  appearance: createDefaultAppearance(),
  level: 1,
  experience: 0,
  talentRanks: {},
  actionBindings: {},
  inventory: [],
  equipment: {},
  location: "Wailing Caverns Entrance",
  createdAt: 1,
  lastPlayedAt: 1,
};

function readyBossForMode(modeId: number) {
  return UNIFIED_MANASTORM_BOSS_CATALOG.find((entry) => (
    (entry.baseStage?.unlockLevel ?? 1) <= 1
    && (entry.baseStage?.minimumPartySize ?? 1) <= 1
    && (entry.baseStage?.maximumPartySize ?? 5) >= 5
    && (!entry.baseStage?.modeIds?.length || entry.baseStage.modeIds.includes(modeId))
    && resolveBossAdminEntry(entry, {
      ...DEFAULT_MANASTORM_ADMIN_CONFIG,
      bosses: { [entry.key]: { status: "ready" } },
    }).runnable
  ));
}
const readyLevelingBoss = readyBossForMode(0);
const readyEndgameBoss = readyBossForMode(2);
if (!readyLevelingBoss || !readyEndgameBoss) throw new Error("Shell tests require runnable Manastorm bosses for both modes.");
const readyTestConfig = {
  ...DEFAULT_MANASTORM_ADMIN_CONFIG,
  bosses: {
    [readyLevelingBoss.key]: { status: "ready" as const },
    [readyEndgameBoss.key]: { status: "ready" as const },
  },
};

function prepareSelectedCharacter(): void {
  useShellStore.setState({
    phase: "characters",
    session: { kind: "offline", ownerId: "offline-roster", displayName: "Offline" },
    characters: [character],
    selectedCharacterId: character.id,
    activeCharacter: null,
    notice: "",
  });
}

describe("shell store", () => {
  beforeEach(() => {
    useShellStore.setState({
      phase: "login",
      session: null,
      characters: [],
      selectedCharacterId: null,
      activeCharacter: null,
      activeDungeonRole: "healer",
      notice: "",
    });
    useGameStore.getState().resetAtEntrance();
    useManastormStore.getState().resetRun();
    useManastormAdminStore.setState({ config: readyTestConfig, draft: readyTestConfig, dirty: false });
  });

  it("does not open the character hub or a dungeon without a selected character", () => {
    expect(useShellStore.getState().openMainMenu()).toBe(false);
    expect(useShellStore.getState().enterDungeon(DUNGEON_MANIFEST.id)).toBe(false);
    expect(useShellStore.getState().phase).toBe("login");
    expect(useShellStore.getState().notice).toMatch(/select or create/i);
  });

  it("opens the main menu and dungeon list without resetting gameplay", () => {
    prepareSelectedCharacter();
    useGameStore.setState({ paused: true, mapOpen: true, companionOpen: true, distanceTravelled: 42 });

    expect(useShellStore.getState().openMainMenu()).toBe(true);
    expect(useShellStore.getState()).toMatchObject({ phase: "main-menu", activeCharacter: null });
    expect(useGameStore.getState()).toMatchObject({
      paused: true,
      mapOpen: true,
      companionOpen: true,
      distanceTravelled: 42,
    });

    expect(useShellStore.getState().openDungeons()).toBe(true);
    expect(useShellStore.getState().phase).toBe("dungeons");
    expect(useGameStore.getState().distanceTravelled).toBe(42);
  });

  it("mounts the game and resets it only after choosing the available dungeon", () => {
    prepareSelectedCharacter();
    useShellStore.getState().openMainMenu();
    useShellStore.getState().openDungeons();
    useGameStore.setState({ paused: true, mapOpen: true, companionOpen: true, distanceTravelled: 42 });

    expect(useShellStore.getState().enterDungeon(DUNGEON_MANIFEST.id, "damage")).toBe(true);
    expect(useShellStore.getState()).toMatchObject({
      phase: "game",
      activeCharacter: character,
      activeDungeonRole: "damage",
    });
    expect(useGameStore.getState()).toMatchObject({
      paused: false,
      mapOpen: false,
      companionOpen: false,
      distanceTravelled: 0,
    });
  });

  it("rejects a role the selected character's class cannot fill", () => {
    prepareSelectedCharacter();
    expect(useShellStore.getState().enterDungeon(DUNGEON_MANIFEST.id, "tank")).toBe(false);
    expect(useShellStore.getState().phase).toBe("characters");
    expect(useShellStore.getState().notice).toMatch(/cannot enter as tank/i);
  });

  it("rejects an unknown dungeon without resetting or leaving the list", () => {
    prepareSelectedCharacter();
    useShellStore.getState().openMainMenu();
    useShellStore.getState().openDungeons();
    useGameStore.setState({ distanceTravelled: 42 });

    expect(useShellStore.getState().enterDungeon("missing-dungeon")).toBe(false);
    expect(useShellStore.getState().phase).toBe("dungeons");
    expect(useShellStore.getState().notice).toMatch(/not available/i);
    expect(useGameStore.getState().distanceTravelled).toBe(42);
  });

  it("returns from gameplay to the main menu with the same character selected", () => {
    prepareSelectedCharacter();
    expect(useShellStore.getState().enterDungeon(DUNGEON_MANIFEST.id)).toBe(true);

    useShellStore.getState().returnToMainMenu();

    expect(useShellStore.getState()).toMatchObject({
      phase: "main-menu",
      selectedCharacterId: character.id,
      activeCharacter: null,
      notice: "",
    });
  });

  it("keeps the original single-dungeon entry point as a compatibility alias", () => {
    prepareSelectedCharacter();
    expect(useShellStore.getState().enterWorld()).toBe(true);
    expect(useShellStore.getState().phase).toBe("game");
  });

  it("returns cleanly from the creator without touching game state", () => {
    useShellStore.getState().openCreator();
    expect(useShellStore.getState().phase).toBe("create-character");
    useShellStore.getState().cancelCreator();
    expect(useShellStore.getState().phase).toBe("characters");
  });

  it("normalizes creator gender to the models shipped for an extended race", () => {
    useShellStore.getState().openCreator();
    useShellStore.getState().updateDraft({ raceId: "vrykul" });
    expect(useShellStore.getState().draft).toMatchObject({ raceId: "vrykul", gender: "male" });

    useShellStore.getState().updateDraft({ gender: "female" });
    expect(useShellStore.getState().draft.gender).toBe("male");
  });

  it("resets the creator to a valid draft when switching among WoW, RoM, and CoA", () => {
    useShellStore.getState().openCreator();
    useShellStore.getState().updateDraft({ name: "Category Keeper", categoryId: "rom" });
    expect(useShellStore.getState().draft).toMatchObject({
      name: "Categorykeep",
      categoryId: "rom",
      raceId: "rom-human",
      classId: "rom-priest",
      gender: "female",
    });
    useShellStore.getState().updateDraft({ raceId: "rom-dwarf", gender: "female", classId: "rom-champion" });
    expect(useShellStore.getState().draft).toMatchObject({
      raceId: "rom-dwarf",
      classId: "rom-champion",
      gender: "male",
    });
    useShellStore.getState().updateDraft({ categoryId: "coa" });
    expect(useShellStore.getState().draft).toMatchObject({
      name: "Categorykeep",
      categoryId: "coa",
      raceId: "human",
      classId: "barbarian",
      gender: "female",
    });
    useShellStore.getState().updateDraft({ classId: "priest" });
    expect(useShellStore.getState().draft.classId).toBe("barbarian");
    useShellStore.getState().updateDraft({ categoryId: "wow" });
    expect(useShellStore.getState().draft).toMatchObject({
      name: "Categorykeep",
      categoryId: "wow",
      raceId: "human",
      classId: "priest",
      gender: "female",
    });
  });

  it("opens Manastorms, validates the role, and starts a fresh level-one run", () => {
    prepareSelectedCharacter();
    expect(useShellStore.getState().openManastorms()).toBe(true);
    expect(useShellStore.getState().phase).toBe("manastorms");
    expect(useShellStore.getState().enterManastorm("tank")).toBe(false);
    expect(useShellStore.getState().notice).toMatch(/cannot enter as tank/i);

    expect(useShellStore.getState().enterManastorm("healer")).toBe(true);
    expect(useShellStore.getState()).toMatchObject({
      phase: "game",
      activeDungeonRole: "healer",
    });
    expect(useGameStore.getState()).toMatchObject({ gameMode: "manastorm" });
    expect(useManastormStore.getState()).toMatchObject({
      status: "entering",
      phase: "enter",
      level: 1,
      completed: 0,
    });
    expect(useGameStore.getState().playerPosition).toEqual(
      useManastormStore.getState().currentEncounter?.playerSpawn.footPosition,
    );
  });

  it("starts each party size from only its own unlocked checkpoint", () => {
    const progress = recordManastormCheckpoint(createEmptyManastormProgress(), 3, 5, 6);
    useShellStore.setState({
      phase: "manastorms",
      session: { kind: "offline", ownerId: "checkpoint-owner", displayName: "Offline" },
      characters: [{
        ...character,
        id: "checkpoint-character",
        ownerId: "checkpoint-owner",
        manastormProgress: progress,
      }],
      selectedCharacterId: "checkpoint-character",
      activeCharacter: null,
      notice: "",
    });

    expect(useShellStore.getState().enterManastorm("healer", 3, 6)).toBe(true);
    expect(useManastormStore.getState()).toMatchObject({
      partySize: 3,
      level: 6,
      checkpointLevel: 6,
    });
  });

  it("selects end-game mode at the character cap and hands off an eligible checkpoint", () => {
    const progress = recordManastormCheckpoint(
      createEmptyManastormProgress(),
      3,
      105,
      106,
    );
    useShellStore.setState({
      phase: "manastorms",
      session: { kind: "offline", ownerId: "endgame-owner", displayName: "Offline" },
      characters: [{
        ...character,
        id: "endgame-character",
        ownerId: "endgame-owner",
        level: 60,
        manastormProgress: progress,
      }],
      selectedCharacterId: "endgame-character",
      activeCharacter: null,
      notice: "",
    });

    expect(useShellStore.getState().enterManastorm("healer", 3, 106)).toBe(true);
    expect(useManastormStore.getState()).toMatchObject({
      partySize: 3,
      modeId: 2,
      level: 106,
      checkpointLevel: 106,
    });
  });

  it("passes a persisted client-grounded spell selection into the run runtime", () => {
    const model = manastormActiveSpellLoadoutModel(character.classId, character.level);
    const selectedIds = model.options.slice(0, 2).map((option) => option.id);
    const unlocked = mergeManastormUnlockedContent(
      createEmptyManastormProgress(),
      model.options.map((option) => option.id),
    );
    const progress = setManastormLoadout(unlocked, selectedIds, model.maxSelections).progress;
    useShellStore.setState({
      phase: "manastorms",
      session: { kind: "offline", ownerId: character.ownerId, displayName: "Offline" },
      characters: [{ ...character, manastormProgress: progress }],
      selectedCharacterId: character.id,
      activeCharacter: null,
      notice: "",
    });

    expect(useShellStore.getState().enterManastorm("healer", 2, 1)).toBe(true);
    expect(useManastormStore.getState().activeSpellLoadout).toMatchObject({
      selectedIds,
      validationError: null,
      provenance: {
        fidelity: "substitution",
        exactServerParity: false,
      },
    });
  });
});