import { describe, it, expect } from "vitest";
import { PLATE_EXTS, parsePlateFilename, plateContentType } from "./batch-upload-parser";

const SHOTS = ["DH2_VFX_058_120", "DH2_VFX_058_120_B", "DH2_VFX_058_10", "UNG_106_035_010"];

describe("parsePlateFilename", () => {
  it("derives the shot and label from a suffixed plate name", () => {
    const p = parsePlateFilename("DH2_VFX_058_120_REF.mov", SHOTS);
    expect(p.shotCode).toBe("DH2_VFX_058_120");
    expect(p.label).toBe("REF");
    expect(p.ext).toBe("mov");
  });

  it("returns an empty label when the filename is exactly the shot code", () => {
    const p = parsePlateFilename("DH2_VFX_058_120.mov", SHOTS);
    expect(p.shotCode).toBe("DH2_VFX_058_120");
    expect(p.label).toBe("");
  });

  it("prefers the longest matching shot code", () => {
    const p = parsePlateFilename("DH2_VFX_058_120_B_REF.mov", SHOTS);
    expect(p.shotCode).toBe("DH2_VFX_058_120_B");
    expect(p.label).toBe("REF");
  });

  it("does not match a shot code that is only a partial segment", () => {
    // "DH2_VFX_058_10" must not swallow "DH2_VFX_058_1000"
    expect(parsePlateFilename("DH2_VFX_058_1000_REF.mov", SHOTS).shotCode).toBeNull();
  });

  it("matches case-insensitively but reports the canonical shot code", () => {
    const p = parsePlateFilename("dh2_vfx_058_120_ref.mov", SHOTS);
    expect(p.shotCode).toBe("DH2_VFX_058_120");
    expect(p.label).toBe("ref");
  });

  it("keeps multi-part labels intact", () => {
    expect(parsePlateFilename("UNG_106_035_010_BG_CLEAN_v002.mov", SHOTS).label).toBe(
      "BG_CLEAN_v002"
    );
  });

  it("returns no shot code when nothing matches", () => {
    const p = parsePlateFilename("random_file.mov", SHOTS);
    expect(p.shotCode).toBeNull();
    expect(p.label).toBe("");
  });

  it("handles filenames with dots in them", () => {
    const p = parsePlateFilename("DH2_VFX_058_120_REF.v2.mov", SHOTS);
    expect(p.shotCode).toBe("DH2_VFX_058_120");
    expect(p.label).toBe("REF.v2");
    expect(p.ext).toBe("mov");
  });
});

describe("plateContentType", () => {
  it("maps every accepted extension to a video/* type", () => {
    for (const ext of PLATE_EXTS) {
      expect(plateContentType(`shot.${ext}`)).toMatch(/^video\//);
    }
  });

  it("is case-insensitive", () => {
    expect(plateContentType("SHOT.MOV")).toBe("video/quicktime");
  });
});