import test from "node:test";
import assert from "node:assert/strict";
import {
  isCalibrationReady,
  isRectInside,
  parseFieldValue,
  rectFromPoints,
  resolveFieldRect,
} from "../src/parser.js";

test("normalizes a reverse drag into a positive rectangle", () => {
  assert.deepEqual(rectFromPoints({ x: 140, y: 90 }, { x: 20, y: 30 }), {
    x: 20,
    y: 30,
    width: 120,
    height: 60,
  });
});

test("moves calibrated fields together with the detected anchor", () => {
  assert.deepEqual(
    resolveFieldRect(
      { x: 400, y: 250 },
      { offsetX: 32, offsetY: 80, width: 180, height: 24 },
    ),
    { x: 432, y: 330, width: 180, height: 24 },
  );
});

test("parses formatted prices and rejects empty numeric OCR", () => {
  assert.equal(parseFieldValue("price", "1 250,000 adena"), 1250000);
  assert.equal(parseFieldValue("quantity", "not found"), null);
  assert.equal(parseFieldValue("item", "  Soulshot:   S-grade\n"), "Soulshot: S-grade");
});

test("requires an anchor image and at least one field", () => {
  assert.equal(isCalibrationReady({ anchor: null, fields: [] }), false);
  assert.equal(
    isCalibrationReady({
      anchor: { image: "data:image/png;base64,x", width: 20, height: 10 },
      fields: [{ id: "price" }],
    }),
    true,
  );
});

test("detects OCR rectangles outside the captured frame", () => {
  assert.equal(isRectInside({ x: 10, y: 10, width: 20, height: 20 }, 100, 100), true);
  assert.equal(isRectInside({ x: 90, y: 10, width: 20, height: 20 }, 100, 100), false);
});