"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = watchFiles;
const fs_1 = __importDefault(require("fs"));
const delay_1 = __importDefault(require("../../utils/delay"));
const sync_1 = __importDefault(require("../../utils/sync"));
function watchFiles(_a) {
    return __awaiter(this, arguments, void 0, function* ({ files, options, }) {
        let timeout;
        const UPDATE_TIMEOUT = 1000;
        try {
            for (let i = 0; i < files.length; i++) {
                const file = files[i];
                const filePath = typeof file == "string" ? file : (file === null || file === void 0 ? void 0 : file.path) ? file.path : null;
                const interval = typeof file == "object" ? file.interval : null;
                if (!filePath)
                    continue;
                if (typeof file == "string" && !fs_1.default.existsSync(filePath)) {
                    try {
                        const existingFilePath = files.find((fl) => {
                            if (typeof fl == "string")
                                return fs_1.default.existsSync(fl);
                            if (!fl.host)
                                return fs_1.default.existsSync(fl.path); // TODO handle remote
                        });
                        if (!existingFilePath) {
                            throw new Error("No existing Files for reference");
                        }
                        const fileDirPath = typeof existingFilePath == "string"
                            ? existingFilePath
                            : existingFilePath.path;
                        if (!fs_1.default.existsSync(fileDirPath)) {
                            fs_1.default.mkdirSync(fileDirPath, { recursive: true });
                        }
                        fs_1.default.writeFileSync(filePath, "");
                    }
                    catch (error) {
                        throw new Error(`File Doesn't exist and couldn't be created. Please check if Directory exists.\nERROR => ${error.message}`);
                    }
                }
                if (typeof file == "string" && !fs_1.default.statSync(filePath).isFile()) {
                    throw new Error(`'${filePath}' is not a File!`);
                }
                if (typeof file == "object" && file.host) {
                    // TODO Handle SSH
                }
                else if (typeof file == "string") {
                    yield (0, delay_1.default)();
                    fs_1.default.watchFile(filePath, {
                        interval: interval || 200,
                    }, (curr, prev) => {
                        if (global.SYNCING)
                            return;
                        const INTERVAL = (options === null || options === void 0 ? void 0 : options.interval)
                            ? options.interval
                            : UPDATE_TIMEOUT;
                        clearTimeout(timeout);
                        timeout = setTimeout(() => {
                            global.SYNCING = true;
                            (0, sync_1.default)({
                                options,
                                dirPath: filePath,
                                dirs: files,
                                isFiles: true,
                            }).finally(() => {
                                process.exit(global.SYNC_SUCCESS_EXIT_CODE);
                            });
                        }, INTERVAL);
                    });
                }
            }
            const lastUpdatedFile = files[0];
            const lastUpdatedFilePath = typeof lastUpdatedFile == "string"
                ? lastUpdatedFile
                : lastUpdatedFile.path;
            global.SYNCING = true;
            yield (0, sync_1.default)({
                dirPath: lastUpdatedFilePath,
                dirs: files,
                options,
                isFiles: true,
                firstRun: true,
            });
            setTimeout(() => {
                global.SYNCING = false;
            }, UPDATE_TIMEOUT);
        }
        catch (error) {
            console.log("ERROR:", error.message);
            process.exit(0);
        }
    });
}