import { fireEvent, render, renderHook, screen, within } from "@testing-library/react";
import { describe, expect, it, vi } from "vitest";
import { SlideOverInfoTabEditView } from "@/app/(protected)/workorders/_components/detail/tabs/slide-over-info-tab-edit-view";
import { WoTableInlineRow } from "@/app/(protected)/workorders/_components/list/table/wo-table-inline-row";
import { useWoTableRowHandlers } from "@/app/(protected)/workorders/_components/list/table/use-wo-table-row-handlers";
import { MiniCalendar } from "@/app/(protected)/workorders/_components/wizard/mini-calendar";
import { WizardStepTypeSchedule } from "@/app/(protected)/workorders/_components/wizard/wizard-step-type-schedule";
import { EMPTY_TABLE_DRAFT } from "@/domain/work-orders/types/work-order-table-row";
import type { WorkOrderTableRow } from "@/domain/work-orders/types/work-order-table-row";
import { EMPTY_WIZARD_DRAFT } from "@/domain/work-orders/types/work-order-wizard";
import { pad2, todayIso } from "@/domain/work-orders/utils/wizard-date-utils";
import { renderWithProviders } from "@/test/test-utils";

vi.mock("@/app/(protected)/workorders/_components/list/table/cells/site-cell", () => ({
  SiteCell: () => null,
}));
vi.mock(
  "@/app/(protected)/workorders/_components/list/table/cells/editable-wo-number-cell",
  () => ({ EditableWONumberCell: () => null }),
);
vi.mock("@/app/(protected)/workorders/_components/list/table/cells/type-cell", () => ({
  TypeCell: () => null,
}));
vi.mock("@/app/(protected)/workorders/_components/list/table/cells/assigned-to-cell", () => ({
  AssignedToCell: () => null,
}));
vi.mock("@/app/(protected)/workorders/_components/list/table/cells/appt-time-cell", () => ({
  ApptTimeCell: () => null,
}));
vi.mock("@/app/(protected)/workorders/_components/list/table/cells/pm-type-cell", () => ({
  PMTypeCell: () => null,
}));
vi.mock("@/app/(protected)/workorders/_components/list/table/cells/vendor-cell", () => ({
  VendorCell: () => null,
}));
vi.mock("@/app/(protected)/workorders/_components/list/table/cells/status-cell", () => ({
  StatusCell: () => null,
}));
vi.mock("@/app/(protected)/workorders/_components/list/table/reschedule-notify", () => ({
  rescheduleNotify: vi.fn(),
  weekMoveNotify: vi.fn(),
}));

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

function rowByLabel(label: string) {
  return screen.getByText(label, { selector: "span,label,div" }).closest("div")!;
}

describe("Due Date cannot be before Schedule On (SH-356)", () => {
  it("disables calendar days before the floor", () => {
    render(<MiniCalendar value={day(12)} minDate={day(10)} onChange={vi.fn()} />);

    expect(screen.getByRole("button", { name: "9" })).toBeDisabled();
    expect(screen.getByRole("button", { name: "10" })).toBeEnabled();
    expect(screen.getByRole("button", { name: "11" })).toBeEnabled();
  });

  describe("slide-over edit", () => {
    const draft = { scheduledOn: day(10), dueDate: day(12) } as Partial<WorkOrderTableRow>;

    function renderSlideOver(onDraftChange = vi.fn()) {
      renderWithProviders(
        <SlideOverInfoTabEditView
          draft={{ ...EMPTY_TABLE_DRAFT, id: 42, targetWeek: "", ...draft } as WorkOrderTableRow}
          users={[]}
          sites={[]}
          vendors={[]}
          pmTypes={[]}
          allOrders={[]}
          onDraftChange={onDraftChange}
        />,
      );
      return onDraftChange;
    }

    it("disables Due Date days before Schedule On", async () => {
      renderSlideOver();
      fireEvent.click(within(rowByLabel("Due Date")).getByRole("button"));

      expect(await screen.findByRole("button", { name: "9" })).toBeDisabled();
      expect(screen.getByRole("button", { name: "10" })).toBeEnabled();
    });

    it("clears the Due Date when Schedule On moves past it", async () => {
      const onDraftChange = renderSlideOver();
      fireEvent.click(within(rowByLabel("Schedule On")).getAllByRole("button")[0]);
      fireEvent.click(await screen.findByRole("button", { name: "15" }));

      expect(onDraftChange).toHaveBeenCalledWith(
        expect.objectContaining({ scheduledOn: day(15), dueDate: "" }),
      );
    });
  });

  it("wizard: clears Due Date on a later Schedule On and floors the Due Date picker", async () => {
    const onPatch = vi.fn();
    render(
      <WizardStepTypeSchedule
        draft={{ ...EMPTY_WIZARD_DRAFT, scheduledOn: day(10), schedMode: "date", dueDate: day(12) }}
        users={[]}
        onUpdate={vi.fn()}
        onPatch={onPatch}
      />,
    );

    const dueDateButtons = within(rowByLabel("Due Date").parentElement!).getAllByRole("button");
    fireEvent.click(dueDateButtons[dueDateButtons.length - 1]);
    expect(await screen.findByRole("button", { name: "9" })).toBeDisabled();
    fireEvent.keyDown(document.activeElement ?? document.body, { key: "Escape" });

    const scheduleBlock = rowByLabel("Schedule On").parentElement!;
    const scheduleButtons = within(scheduleBlock).getAllByRole("button");
    fireEvent.click(scheduleButtons[scheduleButtons.length - 1]);
    const calendars = await screen.findAllByRole("button", { name: "15" });
    fireEvent.click(calendars[calendars.length - 1]);

    expect(onPatch).toHaveBeenCalledWith(
      expect.objectContaining({ scheduledOn: day(15), dueDate: "" }),
    );
  });

  it("inline creation row: clears Due Date on a later Schedule On", async () => {
    const onChange = vi.fn();
    renderWithProviders(
      <table>
        <tbody>
          <WoTableInlineRow
            draft={{ ...EMPTY_TABLE_DRAFT, scheduledOn: day(10), dueDate: day(12) }}
            draftDayKey={day(10)}
            users={[]}
            sites={[]}
            vendors={[]}
            pmTypes={[]}
            allRows={[]}
            onChange={onChange}
            onSave={vi.fn()}
            onCancel={vi.fn()}
          />
        </tbody>
      </table>,
      { withAuth: false },
    );

    const cells = screen.getAllByRole("cell");
    const dateButtons = cells.flatMap((cell) => within(cell).queryAllByRole("button"));
    const scheduleButton = dateButtons.find(
      (b) => b.textContent?.includes(day(10).slice(5).replace("-", "/")) ?? false,
    );
    fireEvent.click(scheduleButton ?? dateButtons[0]);
    fireEvent.click(await screen.findByRole("button", { name: "15" }));

    expect(onChange).toHaveBeenCalledWith(
      expect.objectContaining({ scheduledOn: day(15), dueDate: "" }),
    );
  });

  it("board row: sends the Due Date clear in the same schedule patch", () => {
    const onPatch = vi.fn();
    const { result } = renderHook(() =>
      useWoTableRowHandlers({
        tableData: {
          dragState: { current: { dragId: null, overId: null } },
          setDragViz: vi.fn(),
          reorderRows: vi.fn(),
          endDrag: vi.fn(),
          revealScheduledRow: vi.fn(),
          setSelectedId: vi.fn(),
        } as never,
        weekMonday: "2026-05-18",
        onNavigateToDay: vi.fn(),
        onOpenSlideOver: vi.fn(),
        onOpenMedia: vi.fn(),
        onPatch,
        onScheduleHighlight: vi.fn(),
      }),
    );

    result.current.onScheduleDate("wo-1", "2026-05-21", "2026-05-20");
    expect(onPatch).toHaveBeenLastCalledWith("wo-1", expect.objectContaining({ dueDate: "" }));

    result.current.onScheduleRange("wo-1", "2026-05-19", "2026-05-22", "2026-05-20");
    expect(onPatch.mock.lastCall?.[1]).not.toHaveProperty("dueDate");

    result.current.onScheduleWeek("wo-1", "2026-05-25", "2026-05-20");
    expect(onPatch).toHaveBeenLastCalledWith(
      "wo-1",
      expect.objectContaining({ targetWeek: "2026-05-25", dueDate: "" }),
    );
  });
});