import { describe, expect, it } from "vitest";
import { EditVideoInputSchema, ExportVideoInputSchema } from "./media-video.js";

const edit = (steps: unknown[]) =>
  EditVideoInputSchema.safeParse({ artifact_id: "a", title: "Reel", steps });

describe("edit_video input", () => {
  it("accepts ordered steps and fills defaults", () => {
    const parsed = EditVideoInputSchema.parse({
      artifact_id: "a",
      title: " Reel ",
      steps: [
        { op: "trim", start: 1, end: 5 },
        { op: "reframe", preset: "vertical" },
        { op: "extract_audio" },
      ],
    });
    expect(parsed.title).toBe("Reel");
    expect(parsed.steps[1]).toEqual({ op: "reframe", preset: "vertical", fit: "crop" });
    // The job stores the parsed input and parses it again when it runs.
    expect(EditVideoInputSchema.parse(parsed)).toEqual(parsed);
  });

  it("rejects malformed step lists", () => {
    expect(edit([]).success).toBe(false);
    expect(edit([{ op: "trim", start: 5, end: 5 }]).success).toBe(false);
    expect(edit([{ op: "keep", segments: [{ start: 3, end: 1 }] }]).success).toBe(false);
    expect(edit([{ op: "speed", factor: 8 }]).success).toBe(false);
    expect(edit([{ op: "extract_audio" }, { op: "mute" }]).success).toBe(false);
    expect(edit([{ op: "poster", at: 1 }, { op: "extract_audio" }]).success).toBe(false);
    expect(
      edit([
        { op: "poster", at: 1 },
        { op: "poster", at: 2 },
      ]).success,
    ).toBe(false);
    expect(edit([{ op: "blur" }]).success).toBe(false);
    expect(edit([{ op: "overlay", artifact_id: "logo", start: 4, end: 2 }]).success).toBe(false);
    expect(edit([{ op: "overlay", artifact_id: "logo", width: 1.5 }]).success).toBe(false);
    expect(edit([{ op: "overlay", artifact_id: "logo", opacity: 0 }]).success).toBe(false);
    expect(edit([{ op: "overlay", artifact_id: "logo", position: "middle" }]).success).toBe(false);
    expect(edit([{ op: "concat", artifact_ids: ["intro"], at: "middle" }]).success).toBe(false);
    expect(
      EditVideoInputSchema.safeParse({ artifact_id: "a", steps: [{ op: "mute" }] }).success,
    ).toBe(false);
  });
});

describe("edit_video branding steps", () => {
  it("defaults a logo to the top right at 15% of the width and clips to the end", () => {
    const parsed = EditVideoInputSchema.parse({
      artifact_id: "a",
      title: "Reel",
      steps: [
        { op: "concat", artifact_ids: ["intro"], at: "start" },
        { op: "concat", artifact_ids: ["outro"] },
        { op: "overlay", artifact_id: "logo" },
        { op: "overlay", artifact_id: "mark", position: "center", opacity: 0.4, end: 3 },
      ],
    });
    expect(parsed.steps).toEqual([
      { op: "concat", artifact_ids: ["intro"], at: "start" },
      { op: "concat", artifact_ids: ["outro"], at: "end" },
      { op: "overlay", artifact_id: "logo", position: "top_right", width: 0.15, opacity: 1 },
      { op: "overlay", artifact_id: "mark", position: "center", width: 0.15, opacity: 0.4, end: 3 },
    ]);
    expect(EditVideoInputSchema.parse(parsed)).toEqual(parsed);
  });
});

describe("export_video input", () => {
  it("needs at least one preset or platform and defaults to cropping", () => {
    expect(ExportVideoInputSchema.parse({ artifact_id: "a", presets: ["square"] })).toEqual({
      artifact_id: "a",
      presets: ["square"],
      fit: "crop",
    });
    expect(ExportVideoInputSchema.parse({ artifact_id: "a", platforms: ["tiktok"] })).toEqual({
      artifact_id: "a",
      platforms: ["tiktok"],
      fit: "crop",
    });
    expect(ExportVideoInputSchema.safeParse({ artifact_id: "a", presets: [] }).success).toBe(false);
    expect(ExportVideoInputSchema.safeParse({ artifact_id: "a" }).success).toBe(false);
    expect(ExportVideoInputSchema.safeParse({ artifact_id: "a", presets: ["imax"] }).success).toBe(
      false,
    );
    expect(
      ExportVideoInputSchema.safeParse({ artifact_id: "a", platforms: ["myspace"] }).success,
    ).toBe(false);
  });

  it("takes at most six targets across platforms and presets", () => {
    const platforms = ["tiktok", "youtube-shorts", "instagram-reels", "linkedin"];
    expect(
      ExportVideoInputSchema.safeParse({
        artifact_id: "a",
        platforms,
        presets: ["square", "portrait"],
      }).success,
    ).toBe(true);
    const tooMany = ExportVideoInputSchema.safeParse({
      artifact_id: "a",
      platforms,
      presets: ["square", "portrait", "classic"],
    });
    expect(tooMany.success).toBe(false);
    expect(tooMany.error?.issues[0]?.path).toEqual(["platforms"]);
  });
});