import { fireEvent, render, screen } from "@testing-library/react";
import { describe, expect, it, vi } from "vitest";
import { WizardStepTypeSchedule } from "@/app/(protected)/workorders/_components/wizard/wizard-step-type-schedule";
import {
  EMPTY_WIZARD_DRAFT,
  type WorkOrderWizardDraft,
} from "@/domain/work-orders/types/work-order-wizard";
import { pad2, todayIso } from "@/domain/work-orders/utils/wizard-date-utils";

function baseDraft(overrides: Partial<WorkOrderWizardDraft> = {}): WorkOrderWizardDraft {
  return { ...EMPTY_WIZARD_DRAFT, type: "PM", ...overrides };
}

function currentMonthIso(day: number): string {
  const [y, m] = todayIso().split("-").map(Number);
  return `${y}-${pad2(m)}-${pad2(day)}`;
}

async function openScheduleRangePicker() {
  fireEvent.click(screen.getByRole("button", { name: /pick a date/i }));
  const rangeTab = await screen.findByRole("button", { name: "Range" });
  fireEvent.click(rangeTab);
}

describe("WizardStepTypeSchedule — Schedule On range selection", () => {
  it("clicks start then end in order and submits schedMode range with matching dates", async () => {
    const onUpdate = vi.fn();
    const onPatch = vi.fn();

    render(
      <WizardStepTypeSchedule
        draft={baseDraft()}
        users={[]}
        onUpdate={onUpdate}
        onPatch={onPatch}
      />,
    );

    await openScheduleRangePicker();

    const startIso = currentMonthIso(5);
    const endIso = currentMonthIso(20);

    fireEvent.click(screen.getByRole("button", { name: "5" }));
    fireEvent.click(screen.getByRole("button", { name: "20" }));
    fireEvent.click(screen.getByRole("button", { name: /^done$/i }));

    expect(onPatch).toHaveBeenCalledWith({
      scheduledOn: startIso,
      scheduleEnd: endIso,
      schedMode: "range",
      scheduleWeekOnly: false,
      targetWeek: "",
      isAddOnOverride: false,
    });
  });

  it("normalizes an out-of-order click (end clicked before start) into start<end on submission", async () => {
    const onUpdate = vi.fn();
    const onPatch = vi.fn();

    render(
      <WizardStepTypeSchedule
        draft={baseDraft()}
        users={[]}
        onUpdate={onUpdate}
        onPatch={onPatch}
      />,
    );

    await openScheduleRangePicker();

    const laterIso = currentMonthIso(20);
    const earlierIso = currentMonthIso(5);

    // User clicks the later date first, then an earlier date — the field must
    // normalize this into (start = earlier, end = later) before submission.
    fireEvent.click(screen.getByRole("button", { name: "20" }));
    fireEvent.click(screen.getByRole("button", { name: "5" }));
    fireEvent.click(screen.getByRole("button", { name: /^done$/i }));

    expect(onPatch).toHaveBeenCalledWith({
      scheduledOn: earlierIso,
      scheduleEnd: laterIso,
      schedMode: "range",
      scheduleWeekOnly: false,
      targetWeek: "",
      isAddOnOverride: false,
    });
  });

  it("does not submit until both a start and end date are picked", async () => {
    const onUpdate = vi.fn();
    const onPatch = vi.fn();

    render(
      <WizardStepTypeSchedule
        draft={baseDraft()}
        users={[]}
        onUpdate={onUpdate}
        onPatch={onPatch}
      />,
    );

    await openScheduleRangePicker();

    fireEvent.click(screen.getByRole("button", { name: "5" }));

    expect(screen.getByRole("button", { name: /^done$/i })).toBeDisabled();
    expect(onPatch).not.toHaveBeenCalled();
  });
});