at-mintel/packages/acquisition/test/pricing.test.ts

import { describe, it, expect } from "vitest";
import { calculateTotals, calculatePositions } from "../src/logic/pricing/calculator.js";
import { PRICING, initialState } from "../src/logic/pricing/constants.js";
import { FormState } from "../src/logic/pricing/types.js";

describe("Pricing Logic", () => {
    it("should calculate base website price correctly", () => {
        const state: FormState = {
            ...initialState,
            projectType: "website",
            selectedPages: [] // Clear for base test
        };
        const totals = calculateTotals(state, PRICING);
        expect(totals.totalPrice).toBe(PRICING.BASE_WEBSITE);
    });

    it("should add page costs correctly", () => {
        const state: FormState = {
            ...initialState,
            projectType: "website",
            selectedPages: [], // Clear for clean test
            otherPagesCount: 5
        };
        const totals = calculateTotals(state, PRICING);
        expect(totals.totalPrice).toBe(PRICING.BASE_WEBSITE + (5 * PRICING.PAGE));
    });

    it("should apply multi-language multiplier", () => {
        const state: FormState = {
            ...initialState,
            projectType: "website",
            selectedPages: [], // Clear for clean test
            languagesList: ["Deutsch", "Englisch"]
        };
        const totals = calculateTotals(state, PRICING);
        expect(totals.totalPrice).toBe(Math.round(PRICING.BASE_WEBSITE * 1.2));
    });

    it("should generate correct positions for a website", () => {
        const state: FormState = {
            ...initialState,
            projectType: "website",
            selectedPages: ["Home"],
            otherPagesCount: 2
        };
        const positions = calculatePositions(state, PRICING);

        // Find "Fundament" position (Das technische Fundament)
        const basePos = positions.find(p => p.title.includes("Fundament"));
        expect(basePos).toBeDefined();
        expect(basePos?.price).toBe(PRICING.BASE_WEBSITE);

        // Find "Individuelle Seiten" position
        const pagesPos = positions.find(p => p.title.includes("Seiten"));
        expect(pagesPos).toBeDefined();
        expect(pagesPos?.qty).toBe(3); // 1 selected + 2 other
        expect(pagesPos?.price).toBe(3 * PRICING.PAGE);
    });
});