import "reflect-metadata";
import { container } from "tsyringe";
import { vi, beforeAll, afterEach, describe, expect, it } from "vitest";
import { HandbookHelper } from "@spt-aki/helpers/HandbookHelper";
import { Money } from "@spt-aki/models/enums/Money";

describe("HandbookHelper", () =>
{
    let handbookHelper: any;

    beforeAll(() =>
    {
        handbookHelper = container.resolve<HandbookHelper>("HandbookHelper");
    });

    afterEach(() =>
    {
        vi.restoreAllMocks();
    });

    describe("getTemplatePrice", () =>
    {
        it("should return value greater than 1 when legitimate item is supplied and internal price cache not generated", () =>
        {
            const result = handbookHelper.getTemplatePrice("544fb45d4bdc2dee738b4568"); // Salewa first aid kit
            expect(result).greaterThan(1);
        });

        it("should return value greater than 1 when legitimate item is supplied and internal price cache has been generated", () =>
        {
            handbookHelper.lookupCacheGenerated = false;
            handbookHelper.getTemplatePrice("544fb45d4bdc2dee738b4568"); // Salewa first aid kit

            // Look up item second time now item cache exists
            const secondResult = handbookHelper.getTemplatePrice("544fb45d4bdc2dee738b4568"); // Salewa first aid kit
            expect(secondResult).greaterThan(1);
        });

        it("should return 1 when item not found in handbook is supplied and internal price cache has not been updated", () =>
        {
            handbookHelper.lookupCacheGenerated = false;
            const result = handbookHelper.getTemplatePrice("fakeItem");

            expect(result).toBe(1);
        });

        it("should return 1 when item not found in handbook is supplied and internal price cache has been updated", () =>
        {
            handbookHelper.lookupCacheGenerated = false;

            // Add item to cache
            handbookHelper.getTemplatePrice("modItemTpl");

            // Get item from cache
            const secondResult = handbookHelper.getTemplatePrice("modItemTpl");

            expect(secondResult).toBe(1);
        });
    });

    describe("templatesWithParent", () =>
    {
        it("should return multiple items when supplied with medkit type id", () =>
        {
            // TODO - Function doesn't init handbookPriceCache.items.byParent by itself when null
            const result = handbookHelper.templatesWithParent("5448f39d4bdc2d0a728b4568"); // MedKit
            expect(result.length).greaterThan(5);
        });

        it("should return empty array when supplied with invalid id", () =>
        {
            const result = handbookHelper.templatesWithParent("fakeParentid");
            expect(result.length).toBe(0);
        });
    });

    describe("inRUB", () =>
    {
        it("should return 100 roubles when given 100 roubles", () =>
        {
            const result = handbookHelper.inRUB(100, Money.ROUBLES);
            expect(result).toBe(100);
        });

        it("should return 0 roubles when given 0 roubles", () =>
        {
            const result = handbookHelper.inRUB(0, Money.ROUBLES);
            expect(result).toBe(0);
        });

        it("should return roughly 1380 roubles when given 10 euros ", () =>
        {
            const result = handbookHelper.inRUB(10, Money.EUROS);
            expect(result).closeTo(1379, 10);
        });
    });

    describe("fromRUB", () =>
    {
        it("should return 100 roubles when given 100 roubles", () =>
        {
            const result = handbookHelper.fromRUB(100, Money.ROUBLES);
            expect(result).toBe(100);
        });

        it("should return 0 roubles when given 0 roubles", () =>
        {
            const result = handbookHelper.fromRUB(0, Money.ROUBLES);
            expect(result).toBe(0);
        });

        it("should return roughly 72 Dollars when given 10000 roubles ", () =>
        {
            const result = handbookHelper.fromRUB(10000, Money.EUROS);
            expect(result).closeTo(72, 5);
        });
    });
});