/**
 * Unit tests for dutyList (dutyTimelineCardHtml, dutyItemHtml, contact rendering).
 */

import { describe, it, expect, beforeAll, vi, afterEach } from "vitest";
import * as dateUtils from "./dateUtils.js";
import { dutyTimelineCardHtml, dutyItemHtml } from "./dutyList.js";

describe("dutyList", () => {
  beforeAll(() => {
    document.body.innerHTML =
      '<div id="calendar"></div><div id="monthTitle"></div>' +
      '<div id="dutyList"></div><div id="loading"></div><div id="error"></div>' +
      '<div id="accessDenied"></div><div class="header"></div><div class="weekdays"></div>' +
      '<button id="prevMonth"></button><button id="nextMonth"></button>';
  });

  describe("dutyTimelineCardHtml", () => {
    it("renders duty with full_name and time range (no flip when no contacts)", () => {
      const d = {
        event_type: "duty",
        full_name: "Иванов",
        start_at: "2025-02-25T09:00:00",
        end_at: "2025-02-25T18:00:00",
      };
      const html = dutyTimelineCardHtml(d, false);
      expect(html).toContain("Иванов");
      expect(html).toContain("duty-item");
      expect(html).toContain("duty-timeline-card");
      expect(html).not.toContain("duty-flip-card");
      expect(html).not.toContain("duty-flip-btn");
    });

    it("uses flip-card wrapper with front and back when phone or username present", () => {
      const d = {
        event_type: "duty",
        full_name: "Alice",
        start_at: "2025-03-01T09:00:00",
        end_at: "2025-03-01T17:00:00",
        phone: "+79991234567",
        username: "alice_dev",
      };
      const html = dutyTimelineCardHtml(d, false);
      expect(html).toContain("Alice");
      expect(html).toContain("duty-flip-card");
      expect(html).toContain("duty-flip-inner");
      expect(html).toContain("duty-flip-front");
      expect(html).toContain("duty-flip-back");
      expect(html).toContain("duty-flip-btn");
      expect(html).toContain('data-flipped="false"');
      expect(html).toContain("duty-contact-row");
      expect(html).toContain('href="tel:');
      expect(html).toContain("+79991234567");
      expect(html).toContain("https://t.me/");
      expect(html).toContain("alice_dev");
    });

    it("front face contains name and time; back face contains contact links", () => {
      const d = {
        event_type: "duty",
        full_name: "Bob",
        start_at: "2025-03-02T08:00:00",
        end_at: "2025-03-02T16:00:00",
        phone: "+79001112233",
      };
      const html = dutyTimelineCardHtml(d, false);
      const frontStart = html.indexOf("duty-flip-front");
      const backStart = html.indexOf("duty-flip-back");
      const frontSection = html.slice(frontStart, backStart);
      const backSection = html.slice(backStart);
      expect(frontSection).toContain("Bob");
      expect(frontSection).toContain("time");
      expect(frontSection).not.toContain("duty-contact-row");
      expect(backSection).toContain("Bob");
      expect(backSection).toContain("duty-contact-row");
      expect(backSection).toContain("tel:");
    });

    it("omits flip wrapper and button when phone and username are missing", () => {
      const d = {
        event_type: "duty",
        full_name: "Bob",
        start_at: "2025-03-02T08:00:00",
        end_at: "2025-03-02T16:00:00",
      };
      const html = dutyTimelineCardHtml(d, false);
      expect(html).toContain("Bob");
      expect(html).not.toContain("duty-flip-card");
      expect(html).not.toContain("duty-flip-btn");
      expect(html).not.toContain("duty-contact-row");
    });
  });

  describe("dutyItemHtml", () => {
    afterEach(() => {
      vi.restoreAllMocks();
    });

    it("escapes timeOrRange so HTML special chars are not rendered raw", () => {
      vi.spyOn(dateUtils, "formatHHMM").mockReturnValue("12:00 & 13:00");
      vi.spyOn(dateUtils, "formatDateKey").mockReturnValue("01.02.2025");
      const d = {
        event_type: "duty",
        full_name: "Test",
        start_at: "2025-03-01T12:00:00",
        end_at: "2025-03-01T13:00:00",
      };
      const html = dutyItemHtml(d, null, false);
      expect(html).toContain("&amp;");
      expect(html).not.toContain('<div class="time">12:00 & 13:00');
    });

    it("uses typeLabelOverride when provided", () => {
      const d = {
        event_type: "duty",
        full_name: "Alice",
        start_at: "2025-03-01T09:00:00",
        end_at: "2025-03-01T17:00:00",
      };
      const html = dutyItemHtml(d, "On duty now", false);
      expect(html).toContain("On duty now");
      expect(html).toContain("Alice");
    });

    it("shows duty.until when showUntilEnd is true for duty", () => {
      const d = {
        event_type: "duty",
        full_name: "Bob",
        start_at: "2025-03-01T09:00:00",
        end_at: "2025-03-01T17:00:00",
      };
      const html = dutyItemHtml(d, null, true);
      expect(html).toMatch(/until|до/);
      expect(html).toMatch(/\d{2}:\d{2}/);
    });

    it("renders vacation with date range", () => {
      vi.spyOn(dateUtils, "formatDateKey")
        .mockReturnValueOnce("01.03")
        .mockReturnValueOnce("05.03");
      const d = {
        event_type: "vacation",
        full_name: "Charlie",
        start_at: "2025-03-01T00:00:00",
        end_at: "2025-03-05T23:59:59",
      };
      const html = dutyItemHtml(d);
      expect(html).toContain("01.03 – 05.03");
      expect(html).toContain("duty-item--vacation");
    });

    it("applies extraClass to container", () => {
      const d = {
        event_type: "duty",
        full_name: "Dana",
        start_at: "2025-03-01T09:00:00",
        end_at: "2025-03-01T17:00:00",
      };
      const html = dutyItemHtml(d, null, false, "duty-item--current");
      expect(html).toContain("duty-item--current");
      expect(html).toContain("Dana");
    });
  });
});