"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.cropScreenshot = exports.calculateClipInfo = exports.getClipInfoByCropDimensions = exports.getClipInfoByMarkPosition = exports.calculateMarkPosition = exports.markSeedToId = void 0;
const utils_1 = require("./utils");
const limit_number_1 = __importDefault(require("../utils/limit-number"));
const promisified_functions_1 = require("../utils/promisified-functions");
const test_run_1 = require("../errors/test-run/");
const constants_1 = require("./constants");
const MARK_SEED_ERROR_THRESHOLD = 10;
const WHITE_COLOR_PART = 255;
const BLACK_COLOR_PART = 0;
function markSeedToId(markSeed) {
    let id = 0;
    for (let i = 0; i < constants_1.MARK_LENGTH; i++)
        id = id * 2 + (markSeed[i * constants_1.MARK_BYTES_PER_PIXEL] ? 1 : 0);
    return id;
}
exports.markSeedToId = markSeedToId;
function getCorrectedColorPart(colorPart) {
    const isWhite = colorPart > WHITE_COLOR_PART - MARK_SEED_ERROR_THRESHOLD;
    const isBlack = colorPart < MARK_SEED_ERROR_THRESHOLD;
    if (isBlack)
        return BLACK_COLOR_PART;
    if (isWhite)
        return WHITE_COLOR_PART;
    return colorPart;
}
async function validateClipInfo(clipInfo, path) {
    const clipWidth = clipInfo.clipRight - clipInfo.clipLeft;
    const clipHeight = clipInfo.clipBottom - clipInfo.clipTop;
    if (clipWidth <= 0 || clipHeight <= 0) {
        await (0, promisified_functions_1.deleteFile)(path);
        throw new test_run_1.InvalidElementScreenshotDimensionsError(clipWidth, clipHeight);
    }
}
function calculateMarkPosition(pngImage, markSeed) {
    const mark = Buffer.from(markSeed);
    const filtImg = Buffer.from(pngImage.data);
    for (let i = 0; i < filtImg.length; i++)
        filtImg[i] = getCorrectedColorPart(filtImg[i]);
    const markIndex = filtImg.indexOf(mark);
    if (markIndex < 0)
        return null;
    const endPosition = markIndex / constants_1.MARK_BYTES_PER_PIXEL + constants_1.MARK_LENGTH + constants_1.MARK_RIGHT_MARGIN;
    const x = endPosition % pngImage.width || pngImage.width;
    const y = (endPosition - x) / pngImage.width + 1;
    return { x, y };
}
exports.calculateMarkPosition = calculateMarkPosition;
function getClipInfoByMarkPosition(markPosition, { width, height }) {
    const { x, y } = markPosition;
    const clipRight = x;
    const clipBottom = y;
    const clipLeft = clipRight - width;
    const clipTop = clipBottom - height;
    return {
        clipLeft,
        clipTop,
        clipRight,
        clipBottom,
    };
}
exports.getClipInfoByMarkPosition = getClipInfoByMarkPosition;
function getClipInfoByCropDimensions({ clipRight, clipLeft, clipBottom, clipTop }, cropDimensions) {
    if (cropDimensions) {
        const { right, top, bottom, left } = cropDimensions;
        clipRight = (0, limit_number_1.default)(clipLeft + right, clipLeft, clipRight);
        clipBottom = (0, limit_number_1.default)(clipTop + bottom, clipTop, clipBottom);
        clipLeft = (0, limit_number_1.default)(clipLeft + left, clipLeft, clipRight);
        clipTop = (0, limit_number_1.default)(clipTop + top, clipTop, clipBottom);
    }
    return {
        clipLeft,
        clipTop,
        clipRight,
        clipBottom,
    };
}
exports.getClipInfoByCropDimensions = getClipInfoByCropDimensions;
function calculateClipInfo(pngImage, markSeedPosition, clientAreaDimensions, cropDimensions) {
    let clipInfo = {
        clipRight: pngImage.width,
        clipBottom: pngImage.height,
        clipLeft: 0,
        clipTop: 0,
    };
    if (markSeedPosition && clientAreaDimensions)
        clipInfo = getClipInfoByMarkPosition(markSeedPosition, clientAreaDimensions);
    clipInfo = getClipInfoByCropDimensions(clipInfo, cropDimensions);
    if (markSeedPosition && markSeedPosition.y === clipInfo.clipBottom)
        clipInfo.clipBottom--;
    return clipInfo;
}
exports.calculateClipInfo = calculateClipInfo;
async function cropScreenshot(image, { path, markSeedPosition, clientAreaDimensions, cropDimensions }) {
    if (!markSeedPosition && !cropDimensions)
        return null;
    const clip = calculateClipInfo(image, markSeedPosition, clientAreaDimensions, cropDimensions);
    await validateClipInfo(clip, path);
    return (0, utils_1.copyImagePart)(image, clip);
}
exports.cropScreenshot = cropScreenshot;
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1 : 0);\n\n    return id;\n}\n\nfunction getCorrectedColorPart (colorPart) {\n    const isWhite = colorPart > WHITE_COLOR_PART - MARK_SEED_ERROR_THRESHOLD;\n    const isBlack = colorPart < MARK_SEED_ERROR_THRESHOLD;\n\n    if (isBlack)\n        return BLACK_COLOR_PART;\n\n    if (isWhite)\n        return WHITE_COLOR_PART;\n\n    return colorPart;\n}\n\nasync function validateClipInfo (clipInfo, path) {\n    const clipWidth  = clipInfo.clipRight - clipInfo.clipLeft;\n    const clipHeight = clipInfo.clipBottom - clipInfo.clipTop;\n\n    if (clipWidth <= 0 || clipHeight <= 0) {\n        await deleteFile(path);\n\n        throw new InvalidElementScreenshotDimensionsError(clipWidth, clipHeight);\n    }\n}\n\nexport function calculateMarkPosition (pngImage, markSeed) {\n    const mark    = Buffer.from(markSeed);\n    const filtImg = Buffer.from(pngImage.data);\n\n    for (let i = 0; i < filtImg.length; i++)\n        filtImg[i] = getCorrectedColorPart(filtImg[i]);\n\n    const markIndex = filtImg.indexOf(mark);\n\n    if (markIndex < 0)\n        return null;\n\n    const endPosition = markIndex / MARK_BYTES_PER_PIXEL + MARK_LENGTH + MARK_RIGHT_MARGIN;\n\n    const x = endPosition % pngImage.width || pngImage.width;\n    const y = (endPosition - x) / pngImage.width + 1;\n\n    return { x, y };\n}\n\nexport function getClipInfoByMarkPosition (markPosition, { width, height }) {\n    const { x, y } = markPosition;\n\n    const clipRight  = x;\n    const clipBottom = y;\n    const clipLeft   = clipRight - width;\n    const clipTop    = clipBottom - height;\n\n    return {\n        clipLeft,\n        clipTop,\n        clipRight,\n        clipBottom,\n    };\n}\n\nexport function getClipInfoByCropDimensions ({ clipRight, clipLeft, clipBottom, clipTop }, cropDimensions) {\n    if (cropDimensions) {\n        const { right, top, bottom, left } = cropDimensions;\n\n        clipRight  = limitNumber(clipLeft + right, clipLeft, clipRight);\n        clipBottom = limitNumber(clipTop + bottom, clipTop, clipBottom);\n        clipLeft   = limitNumber(clipLeft + left, clipLeft, clipRight);\n        clipTop    = limitNumber(clipTop + top, clipTop, clipBottom);\n    }\n\n    return {\n        clipLeft,\n        clipTop,\n        clipRight,\n        clipBottom,\n    };\n}\n\nexport function calculateClipInfo (pngImage, markSeedPosition, clientAreaDimensions, cropDimensions) {\n    let clipInfo = {\n        clipRight:  pngImage.width,\n        clipBottom: pngImage.height,\n        clipLeft:   0,\n        clipTop:    0,\n    };\n\n    if (markSeedPosition && clientAreaDimensions)\n        clipInfo = getClipInfoByMarkPosition(markSeedPosition, clientAreaDimensions);\n\n    clipInfo = getClipInfoByCropDimensions(clipInfo, cropDimensions);\n\n    if (markSeedPosition && markSeedPosition.y === clipInfo.clipBottom)\n        clipInfo.clipBottom--;\n\n    return clipInfo;\n}\n\nexport async function cropScreenshot (image, { path, markSeedPosition, clientAreaDimensions, cropDimensions }) {\n    if (!markSeedPosition && !cropDimensions)\n        return null;\n\n    const clip = calculateClipInfo(image, markSeedPosition, clientAreaDimensions, cropDimensions);\n\n    await validateClipInfo(clip, path);\n\n    return copyImagePart(image, clip);\n}\n"]}