import { fireEvent, screen, waitFor } from "@testing-library/react";
import { beforeEach, describe, expect, it, vi } from "vitest";
import { VendorDialog } from "@/app/(protected)/workorders/_components/list/table/cells/vendor-dialog";
import type { Vendor } from "@/domain/vendors/types/vendor";
import type { VendorDropdownItem } from "@/domain/work-orders/types/work-order";
import { renderWithProviders } from "@/test/test-utils";

const mutateAsync = vi.fn();

vi.mock("@/domain/vendors/use-cases/use-create-vendor", () => ({
  useCreateVendor: () => ({
    mutateAsync,
    isPending: false,
  }),
}));

const existingVendor: VendorDropdownItem = {
  id: 10,
  companyName: "Gateway Plumbing",
  contactName: "Jordan Lee",
  tradeSpecialties: "Plumbing",
  address: "1 Main St",
  distanceMiles: 4.2,
  email: "dispatch@gateway.test",
};

const createdVendor: Vendor = {
  id: 99,
  companyId: 10,
  companyName: "Gateway Plumbing",
  contactName: "Jordan Lee",
  email: "dispatch@gateway.test",
  phone: "(314) 555-9999",
  companyPhone: "",
  googleMapsUrl: "",
  notes: "",
  totalJobs: 0,
  address: "1 Main St",
  city: "",
  state: "",
  zip: "",
  tradeSpecialties: "Plumbing",
  isActive: true,
  preferredContact: "Phone",
};

describe("VendorDialog stable technician identity", () => {
  beforeEach(() => {
    mutateAsync.mockReset();
    mutateAsync.mockResolvedValue(createdVendor);
  });

  it("keeps draft identity on same-name collision and posts live phone on save", async () => {
    const onSave = vi.fn();
    const onOpenChange = vi.fn();

    renderWithProviders(
      <VendorDialog
        open={true}
        onOpenChange={onOpenChange}
        vendorId={10}
        company="Gateway Plumbing"
        tech="Jordan Lee"
        techPhone="(314) 555-0100"
        vendors={[existingVendor]}
        onSave={onSave}
      />,
    );

    fireEvent.click(screen.getByRole("button", { name: /\+ add technician/i }));
    fireEvent.change(screen.getByPlaceholderText("Full name"), {
      target: { value: "Jordan Lee" },
    });
    fireEvent.change(screen.getByPlaceholderText("(000) 000-0000"), {
      target: { value: "3145550199" },
    });
    fireEvent.click(screen.getByRole("button", { name: /^add$/i }));

    // Draft stays staged: add form collapses and select still shows the colliding name.
    expect(screen.getByRole("button", { name: /\+ add technician/i })).toBeTruthy();
    expect(screen.getByRole("button", { name: "Jordan Lee" })).toBeTruthy();

    fireEvent.change(screen.getByDisplayValue("3145550199"), {
      target: { value: "(314) 555-9999" },
    });

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

    await waitFor(() => {
      expect(mutateAsync).toHaveBeenCalledTimes(1);
    });

    expect(mutateAsync).toHaveBeenCalledWith(
      expect.objectContaining({
        contactName: "Jordan Lee",
        companyName: "Gateway Plumbing",
        phone: "(314) 555-9999",
      }),
    );

    await waitFor(() => {
      expect(onSave).toHaveBeenCalledWith(
        expect.objectContaining({
          vendorId: "99",
          tech: "Jordan Lee",
          company: "Gateway Plumbing",
          techPhone: "(314) 555-9999",
        }),
      );
    });

    // Must not persist the pre-existing colliding vendor id.
    expect(onSave.mock.calls[0]?.[0].vendorId).not.toBe("10");
  });

  it("does not clear staged draft when technicianOptions rebuild after add", async () => {
    const onSave = vi.fn();
    mutateAsync.mockResolvedValue({
      ...createdVendor,
      id: 88,
      contactName: "Casey New",
      phone: "3145550188",
    });

    renderWithProviders(
      <VendorDialog
        open={true}
        onOpenChange={vi.fn()}
        vendorId={11}
        company="Gateway Plumbing"
        tech="Adam Whyte"
        techPhone=""
        vendors={[
          existingVendor,
          {
            ...existingVendor,
            id: 11,
            contactName: "Adam Whyte",
          },
        ]}
        onSave={onSave}
      />,
    );

    fireEvent.click(screen.getByRole("button", { name: /\+ add technician/i }));
    fireEvent.change(screen.getByPlaceholderText("Full name"), {
      target: { value: "Casey New" },
    });
    fireEvent.change(screen.getByPlaceholderText("(000) 000-0000"), {
      target: { value: "3145550188" },
    });
    fireEvent.click(screen.getByRole("button", { name: /^add$/i }));

    expect(screen.getByRole("button", { name: "Casey New" })).toBeTruthy();

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

    await waitFor(() => {
      expect(mutateAsync).toHaveBeenCalledTimes(1);
    });

    expect(mutateAsync).toHaveBeenCalledWith(
      expect.objectContaining({
        contactName: "Casey New",
        phone: "3145550188",
      }),
    );

    await waitFor(() => {
      expect(onSave).toHaveBeenCalledWith(
        expect.objectContaining({
          vendorId: "88",
          tech: "Casey New",
        }),
      );
    });
  });

  it("keeps a staged draft when the same company is picked again", async () => {
    const onSave = vi.fn();
    mutateAsync.mockResolvedValue({
      ...createdVendor,
      id: 88,
      contactName: "Casey New",
      phone: "3145550188",
    });

    renderWithProviders(
      <VendorDialog
        open={true}
        onOpenChange={vi.fn()}
        vendorId={10}
        company="Gateway Plumbing"
        tech="Jordan Lee"
        techPhone="(314) 555-0100"
        vendors={[existingVendor]}
        onSave={onSave}
      />,
    );

    fireEvent.click(screen.getByRole("button", { name: /\+ add technician/i }));
    fireEvent.change(screen.getByPlaceholderText("Full name"), {
      target: { value: "Casey New" },
    });
    fireEvent.change(screen.getByPlaceholderText("(000) 000-0000"), {
      target: { value: "3145550188" },
    });
    fireEvent.click(screen.getByRole("button", { name: /^add$/i }));

    fireEvent.click(screen.getByRole("button", { name: "Gateway Plumbing" }));
    const companyButtons = await screen.findAllByRole("button", { name: "Gateway Plumbing" });
    fireEvent.click(companyButtons[companyButtons.length - 1]!);
    fireEvent.click(screen.getByRole("button", { name: /^save$/i }));

    await waitFor(() => {
      expect(mutateAsync).toHaveBeenCalledWith(
        expect.objectContaining({
          contactName: "Casey New",
          phone: "3145550188",
        }),
      );
    });
    expect(onSave).toHaveBeenCalledWith(
      expect.objectContaining({
        vendorId: "88",
        tech: "Casey New",
      }),
    );
  });
});