"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const crc_1 = __importDefault(require("crc"));
const path_1 = __importDefault(require("path"));
const images_1 = __importDefault(require("../../utils/images"));
const fs_1 = __importDefault(require("../../utils/fs"));
const location_1 = __importDefault(require("../../utils/location"));
const editHTMLElement_1 = __importDefault(require("./editHTMLElement"));
/**
 Convert all inline PNG images to PNG file

 @param {string} rootFolder
 @param {HTMLDom} $
 @return {Promise}
 */
function inlinePng(rootFolder, currentFile, $) {
    const currentDirectory = path_1.default.dirname(currentFile);
    return (0, editHTMLElement_1.default)($, "img", ($img) => {
        const src = $img.attr("src");
        if (!location_1.default.isDataURI(src)) {
            return;
        }
        // We avoid generating twice the same PNG
        const hash = crc_1.default.crc32(src).toString(16);
        let fileName = `${hash}.png`;
        // Result file path
        const filePath = path_1.default.join(rootFolder, fileName);
        return fs_1.default
            .assertFile(filePath, () => {
            return images_1.default.convertInlinePNG(src, filePath);
        })
            .then(() => {
            // Convert filename to a relative filename
            fileName = location_1.default.relative(currentDirectory, fileName);
            // Replace src
            $img.attr("src", fileName);
        });
    });
}
exports.default = inlinePng;