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// Copyright 2020-2021 the denosaurs team. All rights reserved. MIT license.
import { log } from "./deps.ts";
import { FileEvent, Watcher } from "./src/watcher.ts";import { Runner } from "./src/runner.ts";import { Daemon } from "./src/daemon.ts";
import {  grantPermissions,  initializeConfig,  printAvailableScripts,  printHelp,  upgrade,} from "./src/cli.ts";import { CompleteDenonConfig, readConfig, reConfig } from "./src/config.ts";import { parseArgs } from "./src/args.ts";
import { BRANCH, VERSION } from "./info.ts";
const logger = log.create("main");
/** Events you can listen to when creating a `denon` * instance as module: * ```typescript * const denon = new Denon(config); * for await (const event of denon.run(script)) { *   // event handling here * } * ``` */export declare type DenonEventType =  | "start"  | "reload"  | "crash"  | "success"  | "exit";
export declare type DenonEvent =  | DenonStartEvent  | DenonReloadEvent  | DenonCrashEvent  | DenonSuccessEvent  | DenonExitEvent;
export declare interface DenonStartEvent {  type: "start";}
export declare interface DenonReloadEvent {  type: "reload";  change: FileEvent[];}
export declare interface DenonCrashEvent {  type: "crash";  status: Deno.ProcessStatus;}
export declare interface DenonSuccessEvent {  type: "success";  status: Deno.ProcessStatus;}
export declare interface DenonExitEvent {  type: "exit";}
/** Denon instance. * Holds loaded configuration and handles creation * of daemons with the `start(script)` method. */export class Denon {  watcher: Watcher;  runner: Runner;
  constructor(public config: CompleteDenonConfig) {    this.watcher = new Watcher(config.watcher);    this.runner = new Runner(config, config.args ? config.args.cmd : []);  }
  run(script: string): AsyncIterable<DenonEvent> {    return new Daemon(this, script);  }}
/** CLI starts here, * other than the awesome `denon` cli this is an * example on how the library could be used if * included as a module. */if (import.meta.main) {  const args = parseArgs(Deno.args);
  // check compatibility  // if (!COMPAT[VERSION].includes(Deno.version.deno) && !args.upgrade) {  //   logger.error(  //     `Your version of denon (${VERSION}) does not support your deno version (${Deno.version.deno})`,  //   );  //   logger.warning(  //     `Upgrade deno by running \`deno upgrade --version ${  //       [...COMPAT[VERSION]].pop()  //     }\``,  //   );  //   Deno.exit(1);  // }
  await grantPermissions();
  let config = await readConfig(args.config);  config.args = args;
  await log.setup(    {      filter: config.logger.quiet        ? "ERROR"        : config.logger.debug        ? "DEBUG"        : "INFO",    },  );
  // show version number.  if (BRANCH !== "main") {    logger.info(`v${VERSION}-${BRANCH}`);  } else {    logger.info(`v${VERSION}`);  }  if (args.version) Deno.exit(0);
  // update denon to latest release  if (args.upgrade) {    await upgrade(args.upgrade);    Deno.exit(0);  }
  // show help message.  if (args.help) {    printHelp();    Deno.exit(0);  }
  // create configuration file.  // TODO(@qu4k): should be made interactive.  if (args.init) {    await initializeConfig(args.init);    Deno.exit(0);  }
  // show all available scripts.  if (args.cmd.length === 0) {    await printAvailableScripts(config);    Deno.exit(0);  }
  // const builtIn = ["run", "test", "fmt", "lint"];  const script = args.cmd[0];
  // if (!config.scripts[script] && !builtIn.includes(script)) {  //   const other = closest(script, Object.keys(config.scripts).concat(builtIn));  //   logger.error(  //     `Could not find script \`${script}\` did you mean \`${other}\`?`,  //   );  //   Deno.exit(1);  // }
  const denon = new Denon(config);
  // TODO(@qu4k): events  for await (const event of denon.run(script)) {    if (event.type === "reload") {      if (        event.change.some(          (_) => reConfig.test(_.path) && _.path === config.configPath,        )      ) {        config = await readConfig(args.config);        logger.debug("reloading config");      }    }  }}