import { describe, expect, it } from "vitest";
import referenceData from "./generated/azerothCoreReference.json";
import sourceLock from "./generated/azerothCoreSourceLock.json";
import worldAiData from "./generated/azerothCoreWorldAi.json";
import baseStatsData from "./generated/wow335BaseStats.json";
import {
  creatureRuntimeBaseStats,
  creatureTemplateReference,
  standardWowDungeonCreatureHealth,
} from "./azerothCoreReference";

interface PlayerClassRow {
  readonly attributes: readonly number[];
  readonly resources: readonly number[];
}

interface ReferenceShape {
  readonly source: {
    readonly branch: string;
    readonly commit: string;
    readonly dirty: boolean;
  };
  readonly player: {
    readonly classStats: Readonly<Record<string, PlayerClassRow>>;
    readonly raceOffsets: Readonly<Record<string, readonly number[]>>;
    readonly attributes: Readonly<Record<string, readonly (readonly number[] | null)[]>>;
    readonly resources: Readonly<Record<string, readonly (readonly number[] | null)[]>>;
    readonly xpForLevel: readonly number[];
  };
}

const REFERENCE = referenceData as unknown as ReferenceShape;

describe("pinned AzerothCore reference", () => {
  it("locks the pinned AzerothCore snapshot and every consumed SQL file by SHA-256", () => {
    expect(REFERENCE.source).toMatchObject({
      branch: "master",
      commit: "4d9d1d4b5723e819c5c390f6ca1177283dbfb8e3",
      dirty: false,
    });
    expect(sourceLock.files.length).toBeGreaterThanOrEqual(18);
    expect(sourceLock.source.dirtyStateWarning).toBeNull();
    expect(sourceLock.schemas).toEqual({
      normalizedReference: 2,
      normalizedWorldAi: 1,
      sourceLock: 1,
      dungeonSnapshot: 2,
      playerBaseStats: 2,
    });
    for (const file of sourceLock.files) {
      expect(file.file).not.toMatch(/[\\/]/);
      expect(file.sha256).toMatch(/^[a-f0-9]{64}$/);
      expect(file.byteLength).toBeGreaterThan(0);
    }
  });

  it("normalizes creature spells, SmartAI, and encounter metadata for offline builds", () => {
    expect(worldAiData.schemaVersion).toBe(1);
    expect(worldAiData.smartScriptsByEntry["598"]).toContainEqual(expect.objectContaining({
      action_param1: 6016,
      action_type: 11,
      event_type: 0,
      target_type: 2,
    }));
    expect(worldAiData.creatureSpellsByEntry["598"]).toContainEqual({
      index: 0,
      spellId: 6016,
      verifiedBuild: 12340,
    });
    expect(worldAiData.encountersByMap["43"].map((encounter) => encounter.name)).toEqual(
      expect.arrayContaining([
        "Lady Anacondra",
        "Lord Serpentis",
        "Mutanus the Devourer",
      ]),
    );
  });

  it("verifies every valid race/class/level primary-stat row and resource row", () => {
    expect(baseStatsData.attributes).toEqual(REFERENCE.player.attributes);
    expect(baseStatsData.resources).toEqual(REFERENCE.player.resources);

    for (const [raceClass, rows] of Object.entries(REFERENCE.player.attributes)) {
      const [race, characterClass] = raceClass.split(":");
      const offsets = REFERENCE.player.raceOffsets[race];
      expect(offsets, raceClass).toHaveLength(5);
      expect(rows, raceClass).toHaveLength(80);
      rows.forEach((attributes, index) => {
        const classRow = REFERENCE.player.classStats[`${characterClass}:${index + 1}`];
        if (!classRow) {
          expect(attributes, `${raceClass}:${index + 1}`).toBeNull();
          return;
        }
        expect(attributes, `${raceClass}:${index + 1}`).toEqual(
          classRow.attributes.map((value, attributeIndex) => value + offsets[attributeIndex]),
        );
        expect(
          REFERENCE.player.resources[characterClass]?.[index],
          `${characterClass}:${index + 1}`,
        ).toEqual(classRow.resources);
      });
    }
  });

  it("ships every exact level threshold through level 79", () => {
    expect(REFERENCE.player.xpForLevel).toHaveLength(79);
    expect(REFERENCE.player.xpForLevel.slice(0, 5)).toEqual([400, 900, 1_400, 2_100, 2_800]);
    expect(REFERENCE.player.xpForLevel[78]).toBe(1_670_800);
    expect(REFERENCE.player.xpForLevel.every((value) => Number.isInteger(value) && value > 0))
      .toBe(true);
  });

  it("derives representative normal, elite, and boss stats at multiple levels", () => {
    expect(standardWowDungeonCreatureHealth(5)).toBe(306);
    expect(creatureRuntimeBaseStats(385, 5)).toMatchObject({
      health: 102,
      armor: 111,
      attackPower: 18,
      averageAttackDamage: 28,
    });
    expect(creatureRuntimeBaseStats(385, 20)).toMatchObject({
      health: 484,
      armor: 836,
      attackPower: 70,
      averageAttackDamage: 157,
    });
    expect(creatureRuntimeBaseStats(1720, 25)).toMatchObject({
      health: 2_097,
      armor: 1_008,
      averageAttackDamage: 71,
    });
    expect(creatureRuntimeBaseStats(1720, 40)).toMatchObject({
      health: 4_572,
      armor: 1_938,
      averageAttackDamage: 111,
    });
    expect(creatureRuntimeBaseStats(10162, 60)).toMatchObject({
      health: 280_830,
      mana: 243_400,
      armor: 3_748,
      averageAttackDamage: 394,
    });
    expect(creatureRuntimeBaseStats(10162, 63)).toMatchObject({
      health: 306_475,
      mana: 262_000,
      armor: 4_637,
      averageAttackDamage: 416,
    });
    expect(creatureTemplateReference(1720)?.rank).toBe(2);
    expect(creatureTemplateReference(10162)?.rank).toBe(3);
  });
});