import { describe, it, expect } from "vitest";
import { parseDue, parseFeedback, slateFrames, toPlayerFrame } from "./feedback-parse";

describe("parseFeedback", () => {
  it("splits rounds and notes from the doc's own format", () => {
    const { rounds, ignored } = parseFeedback(`FEEDBACK 117 DUE Oct 7, 2026 12:00 PM
UNG_117_023_010 The screen comp starts warping, slightly expanding and contracting in the second half of the shot.
UNG_117_024_010 48fps @ 200% Done Dineo seems slightly too small

FEEDBACK 113 DUE Oct 7, 2026 12:00 PM
UNG_113_008_040 The screen is partially peeking under the mask on OZ
UNG_113_018_050 At frame 1018, the mask is still slipping`);
    expect(ignored).toEqual([]);
    expect(rounds.map((r) => [r.title, r.dueText, r.notes.length])).toEqual([
      ["FEEDBACK 117", "Oct 7, 2026 12:00 PM", 2],
      ["FEEDBACK 113", "Oct 7, 2026 12:00 PM", 2],
    ]);
    expect(rounds[1].notes[1]).toEqual({
      codes: ["UNG_113_018_050"],
      text: "At frame 1018, the mask is still slipping",
      frame: 1018,
    });
    expect(rounds[0].notes[1].frame).toBeNull();
  });

  it("joins wrapped lines onto the note above, even ones mentioning changes or due", () => {
    const { rounds } = parseFeedback(`UNG_108_004_030  Comp needs work.
Visible matte edge on left of "Top Story" banner.
lighting changes, due to the grade`);
    expect(rounds).toHaveLength(1);
    expect(rounds[0].title).toBe("");
    expect(rounds[0].notes[0].text).toBe(
      'Comp needs work. Visible matte edge on left of "Top Story" banner. lighting changes, due to the grade',
    );
  });

  it("strips WhatsApp prefixes and formatting, and keeps preamble aside", () => {
    const { rounds, ignored } = parseFeedback(`[07/10/2026, 09:12] Stephen Abbott: Hi team, notes below
[07/10/2026, 09:13] Stephen Abbott: *UNG_113_031_010* As the camera pans the screen comp seems to shrink`);
    expect(rounds[0].title).toBe("");
    expect(rounds[0].notes[0].codes).toEqual(["UNG_113_031_010"]);
    expect(rounds[0].notes[0].text).toBe("As the camera pans the screen comp seems to shrink");
    expect(ignored).toEqual(["Hi team, notes below"]);

    const plain = parseFeedback("Morning!\nUNG_113_031_010 shrink");
    expect(plain.ignored).toEqual(["Morning!"]);
  });

  it("gives one note per shot when several codes lead the line", () => {
    const { rounds } = parseFeedback("UNG_113_032_034 / UNG_113_032_036, UNG_113_032_038 same matte fix");
    expect(rounds[0].notes.map((n) => [n.codes[0], n.text])).toEqual([
      ["UNG_113_032_034", "same matte fix"],
      ["UNG_113_032_036", "same matte fix"],
      ["UNG_113_032_038", "same matte fix"],
    ]);
  });

  it("accepts codes without the show prefix and upper-cases them", () => {
    const { rounds } = parseFeedback("- 113_018_040: hard blue edge, fr 1004");
    expect(rounds[0].notes[0]).toMatchObject({ codes: ["113_018_040"], text: "hard blue edge, fr 1004", frame: 1004 });
  });
});

describe("parseDue", () => {
  const now = new Date(2026, 9, 7, 8, 0);

  it("reads a full date and time", () => {
    const d = parseDue("Oct 7, 2026 12:00 PM", now)!;
    expect([d.getFullYear(), d.getMonth(), d.getDate(), d.getHours()]).toEqual([2026, 9, 7, 12]);
  });

  it("fills in the year", () => {
    const d = parseDue("7 Oct 16:00", now)!;
    expect([d.getFullYear(), d.getMonth(), d.getDate(), d.getHours()]).toEqual([2026, 9, 7, 16]);
  });

  it("returns null for what it cannot read", () => {
    expect(parseDue("end of day", now)).toBeNull();
    expect(parseDue(null, now)).toBeNull();
  });
});

describe("slateFrames", () => {
  it("uses the recorded slate, else 1 for pipeline previews, else 0", () => {
    expect(slateFrames({ pictureStartFrame: 2, frameCount: 120 })).toBe(2);
    expect(slateFrames({ pictureStartFrame: 0, frameCount: 120 })).toBe(0);
    expect(slateFrames({ pictureStartFrame: null, frameCount: 120 })).toBe(1);
    expect(slateFrames({ pictureStartFrame: null, frameCount: null })).toBe(0);
  });
});

describe("toPlayerFrame", () => {
  it("maps a comp frame through the shot start and slate", () => {
    expect(toPlayerFrame(1018, { shotFrameStart: 1001, pictureStart: 1, frameCount: 120 })).toEqual({
      frame: 18,
      fromComp: true,
    });
  });

  it("assumes the house 1001 start when the shot has none", () => {
    expect(toPlayerFrame(1018, { shotFrameStart: null, pictureStart: 1, frameCount: 120 }).frame).toBe(18);
    expect(toPlayerFrame(1018, { shotFrameStart: 0, pictureStart: 0, frameCount: null }).frame).toBe(17);
  });

  it("takes a small number as the player's own frame", () => {
    expect(toPlayerFrame(40, { shotFrameStart: 1001, pictureStart: 1, frameCount: 120 })).toEqual({
      frame: 40,
      fromComp: false,
    });
  });

  it("keeps the frame inside the picture", () => {
    expect(toPlayerFrame(1500, { shotFrameStart: 1001, pictureStart: 1, frameCount: 100 }).frame).toBe(100);
    expect(toPlayerFrame(500, { shotFrameStart: null, pictureStart: 0, frameCount: 100 }).frame).toBe(99);
  });
});