import { describe, expect, it } from "vitest";
import type { MediaFile } from "@/domain/work-orders/types/work-order-media";
import {
  hasCompletionMediaGallery,
  isCompletionSurfaceMedia,
  isExtrasSurfaceMedia,
} from "@/domain/work-orders/utils/partition-slide-over-media";

function file(
  overrides: Partial<MediaFile> & Pick<MediaFile, "id" | "fileType" | "purpose">,
): MediaFile {
  return {
    name: overrides.name ?? overrides.id,
    url: "https://cdn.example.com/file",
    category: "Photo",
    uploadStatus: "done",
    ...overrides,
  };
}

describe("partition-slide-over-media", () => {
  it("keeps unowned Extra photos on Completion Doc, not Extra Docs", () => {
    const photo = file({
      id: "10",
      fileType: "image",
      purpose: "Extra",
      name: "site.jpg",
    });

    expect(isCompletionSurfaceMedia(photo)).toBe(true);
    expect(isExtrasSurfaceMedia(photo)).toBe(false);
  });

  it("keeps Extra PDFs on Extra Docs, not Completion Doc", () => {
    const pdf = file({
      id: "4",
      fileType: "pdf",
      purpose: "Extra",
      name: "extra.pdf",
      category: "Other",
    });

    expect(isCompletionSurfaceMedia(pdf)).toBe(false);
    expect(isExtrasSurfaceMedia(pdf)).toBe(true);
  });

  it("moves Extra photo to Extra Docs after explicit Extra ownership", () => {
    const photo = file({ id: "10", fileType: "image", purpose: "Extra" });
    const ownership = {
      completionOwnedIds: new Set<string>(),
      extraOwnedIds: new Set(["10"]),
    };

    expect(isCompletionSurfaceMedia(photo, ownership)).toBe(false);
    expect(isExtrasSurfaceMedia(photo, ownership)).toBe(true);
  });

  it("keeps Extra photo on Completion Doc while completion-owned", () => {
    const photo = file({ id: "10", fileType: "image", purpose: "Extra" });
    const ownership = {
      completionOwnedIds: new Set(["10"]),
      extraOwnedIds: new Set<string>(),
    };

    expect(isCompletionSurfaceMedia(photo, ownership)).toBe(true);
    expect(isExtrasSurfaceMedia(photo, ownership)).toBe(false);
  });

  it("keeps Before/After/Completion and in-flight tiles on Completion Doc", () => {
    expect(isCompletionSurfaceMedia(file({ id: "1", fileType: "image", purpose: "Before" }))).toBe(
      true,
    );
    expect(
      isCompletionSurfaceMedia({
        ...file({ id: "local-1", fileType: "image", purpose: null }),
        uploadStatus: "uploading",
      }),
    ).toBe(true);
  });

  it("renders a Completion gallery only for Reactive and Emergency work orders", () => {
    expect(hasCompletionMediaGallery("Reactive")).toBe(true);
    expect(hasCompletionMediaGallery("Emergency")).toBe(true);
    expect(hasCompletionMediaGallery("PM")).toBe(false);
    expect(hasCompletionMediaGallery("Overdue")).toBe(false);
    expect(hasCompletionMediaGallery("")).toBe(false);
  });

  it("puts Extra photos and videos on Extra Docs when Completion has no gallery", () => {
    const photo = file({ id: "10", fileType: "image", purpose: "Extra" });
    const video = file({ id: "11", fileType: "video", purpose: "Extra", category: "Video" });

    for (const item of [photo, video]) {
      expect(isCompletionSurfaceMedia(item, undefined, false)).toBe(false);
      expect(isExtrasSurfaceMedia(item, undefined, false)).toBe(true);
    }
  });

  it("ignores stale completion ownership when Completion has no gallery", () => {
    const photo = file({ id: "10", fileType: "image", purpose: "Extra" });
    const ownership = {
      completionOwnedIds: new Set(["10"]),
      extraOwnedIds: new Set<string>(),
    };

    expect(isCompletionSurfaceMedia(photo, ownership, false)).toBe(false);
    expect(isExtrasSurfaceMedia(photo, ownership, false)).toBe(true);
  });
});