"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.process = void 0;
const url_1 = __importDefault(require("url"));
const page_1 = __importDefault(require("./page"));
const manifest_1 = __importDefault(require("./manifest"));
const script_1 = __importDefault(require("./script"));
const stylesheet_1 = __importDefault(require("./stylesheet"));
const urlUtil = __importStar(require("../../utils/url"));
const encoding_1 = require("../encoding");
const os_1 = require("os");
const IS_WIN = (0, os_1.platform)() === 'win32';
const DISK_RE = /^[A-Za-z]:/;
const RESOURCE_PROCESSORS = [page_1.default, manifest_1.default, script_1.default, stylesheet_1.default];
function getResourceUrlReplacer(ctx) {
    return function urlReplacer(resourceUrl, resourceType, charsetAttrValue, baseUrl, isCrossDomain = false, isUrlsSet = false) {
        if (isUrlsSet)
            return urlUtil.handleUrlsSet(urlReplacer, resourceUrl, resourceType, charsetAttrValue, baseUrl, isCrossDomain);
        if (!urlUtil.isSupportedProtocol(resourceUrl) && !urlUtil.isSpecialPage(resourceUrl))
            return resourceUrl;
        if (IS_WIN && ctx.dest.protocol === 'file:' && DISK_RE.test(resourceUrl))
            resourceUrl = '/' + resourceUrl;
        // NOTE: Resolves base URLs without a protocol ('//google.com/path' for example).
        baseUrl = baseUrl ? url_1.default.resolve(ctx.dest.url, baseUrl) : '';
        resourceUrl = urlUtil.processSpecialChars(resourceUrl);
        let resolvedUrl = url_1.default.resolve(baseUrl || ctx.dest.url, resourceUrl);
        if (!urlUtil.isValidUrl(resolvedUrl))
            return resourceUrl;
        // NOTE: Script or <link rel='preload' as='script'>
        const isScriptLike = urlUtil.parseResourceType(resourceType).isScript;
        const charsetStr = charsetAttrValue || isScriptLike && ctx.contentInfo.charset.get();
        resolvedUrl = urlUtil.ensureTrailingSlash(resourceUrl, resolvedUrl);
        if (!urlUtil.isValidUrl(resolvedUrl))
            return resolvedUrl;
        return ctx.toProxyUrl(resolvedUrl, isCrossDomain, resourceType, charsetStr);
    };
}
async function process(ctx) {
    const { destResBody, contentInfo } = ctx;
    const { encoding, charset } = contentInfo;
    const decoded = await (0, encoding_1.decodeContent)(destResBody, encoding, charset);
    for (const processor of RESOURCE_PROCESSORS) {
        if (!processor.shouldProcessResource(ctx))
            continue;
        const urlReplacer = getResourceUrlReplacer(ctx);
        if (page_1.default === processor)
            await ctx.prepareInjectableUserScripts(ctx.eventFactory, ctx.session.injectable.userScripts);
        // @ts-ignore: Cannot invoke an expression whose type lacks a call signature
        const processed = processor.processResource(decoded, ctx, charset, urlReplacer);
        if (processed === page_1.default.RESTART_PROCESSING)
            return await process(ctx);
        return await (0, encoding_1.encodeContent)(processed, encoding, charset);
    }
    return destResBody;
}
exports.process = process;