import { Ini, Cliffy, Compress, Base64 } from "./deps.ts";
import * as Colors from "https://deno.land/std@0.62.0/fmt/colors.ts";
import * as Path from "https://deno.land/std@0.62.0/path/mod.ts";
import * as FS from "https://deno.land/std@0.62.0/fs/mod.ts";
import { init } from "./global.ts";

import setupCMD from "./commands/setup.ts";
import initCMD from "./commands/init.ts";
import bumpCMD from "./commands/bump.ts";
import publishCMD from "./commands/publish.ts";

const HOME_FOLDER = Deno.env.get("HOME") || Deno.env.get("USERPROFILE") || "";

type CommandHandler = (...opts: any[]) => void | Promise<void>;

let command: CommandHandler | undefined = undefined;
let opts: any[] = [];
// const debounce = (fnc: any) => (...args: any[]) => {
//    new Promise((y) => setTimeout(y, 0)).then(() => fnc(...args));
// }; //Put function call into queue

const commandWrapper = (cmd: CommandHandler) => {
   return (...params: any[]) => {
      command = cmd;
      opts = params;
   };
};

const flags = await new Cliffy.Command()
   .name("denreg")
   .version("0.0.1")
   .description("CLI for the Open Source DenReg package registry")
   .option("-i, --interactive [interactive:boolean]", "Interactive mode", {
      default: true,
      global: true,
   })
   .option("-c, --config <config>", "Config file", {
      default: Path.resolve(HOME_FOLDER, ".denreg"),
      global: true,
   })
   .option("-v, --verbose", "Verbose", {
      default: false,
      global: true,
   })
   .command(
      "setup",
      new Cliffy.Command()
         .description("Configure cli")
         .action(commandWrapper(setupCMD))
   )
   .command(
      "publish",
      new Cliffy.Command()
         .description("Upload package")
         .action(commandWrapper(publishCMD))
   )
   .command(
      "init",
      new Cliffy.Command()
         .description("Create meta.json")
         .action(commandWrapper(initCMD))
   )
   .command(
      "bump",
      new Cliffy.Command()
         .complete("major|minor|patch", () => ["major", "minor", "patch"])
         .arguments("<major|minor|patch>")
         .description("Change package version")
         .action(commandWrapper(bumpCMD))
   )
   .command("completions", new Cliffy.CompletionsCommand())
   .parse(Deno.args);

await init(flags.options);

if (command) {
   await Promise.resolve((command as CommandHandler)(...opts));
}

// function log(...args: any[]) {
//    if (flags.options.verbose) console.log(...args);
// }

// const CONFIG_LOCATION = flags.options.config;

// function loadConfigSync() {
//    try {
//       const data = Deno.readFileSync(CONFIG_LOCATION);
//       return Ini.decode(new TextDecoder().decode(data));
//    } catch (err) {
//       return {};
//    }
// }

// const config = loadConfigSync();

// const { username, password, registry } = config;

// async function setConfig(name: string, value: string) {
//    config[name] = value;

//    const data = Ini.encode(config);

//    await Deno.writeFile(CONFIG_LOCATION, new TextEncoder().encode(data), {
//       create: true,
//    });
// }

// async function setup() {
//    const registry = await Cliffy.Input.prompt({
//       message: "What's your registry?",
//       default: config.registry,
//    });
//    const username = await Cliffy.Input.prompt({
//       message: "What's your username?",
//       default: config.username,
//    });
//    const password = await Cliffy.Secret.prompt({
//       message: "What's your password?",
//       hidden: true,
//       default: config.password,
//    });

//    const author = await Cliffy.Input.prompt({
//       message: "Who are you? (optional) Name <email@example.com>",
//       default: config.author,
//    });

//    await setConfig("registry", registry);
//    await setConfig("username", username);
//    await setConfig("password", password);
//    await setConfig("author", author);
// }

// interface IMeta {
//    name: string;
//    version: string;
//    description?: string;
//    author?: string;
//    contributors?: string[];
//    files: string[];
// }

// async function init() {
//    let existing = {};
//    try {
//       existing = await _getMeta();
//    } catch (err) {}
//    let meta: IMeta = {
//       name: Path.basename(Deno.cwd()).toLowerCase().replace(/\s+/g, "-"),
//       version: "0.0.1",
//       description: "",
//       author: config.author,
//       contributors: [],
//       files: ["**/*.ts", "**/*.js", "importmap.json"],
//       ...existing,
//    };

//    if (flags.options.interactive) {
//       meta.name = await Cliffy.Input.prompt({
//          message: "What's the name of your package?",
//          default: meta.name,
//       });
//       meta.description = await Cliffy.Input.prompt({
//          message: "What's the description of your package?",
//          default: meta.description,
//       });
//       meta.author = await Cliffy.Input.prompt({
//          message: "Who's the author of your package?",
//          default: meta.author,
//       });
//    }

//    await _setMeta(meta);
// }

// async function bump(options: any, type: "minor" | "major" | "patch") {
//    const meta = await _getMeta();

//    let [major = 0, minor = 0, patch = 0] = meta.version.split(".").map(Number);

//    switch (type) {
//       case "major":
//          major++;
//          break;
//       case "minor":
//          minor++;
//          break;
//       case "patch":
//          patch++;
//          break;
//       default:
//          throw new Error("type must be either major, minor or patch");
//    }
//    const newVersion = [major, minor, patch].join(".");
//    console.log(
//       "Bumping version from",
//       Colors.blue(meta.version),
//       "to",
//       Colors.blue(newVersion)
//    );
//    meta.version = newVersion;
//    await _setMeta(meta);
// }

// async function uploadPackage() {
//    const meta: IMeta = await _getMeta();

//    if (!meta.name) throw new Error("name is not set in meta.json");
//    if (!meta.version) throw new Error("version is not set in meta.json");
//    if (!meta.files || !Array.isArray(meta.files) || meta.files.length <= 0)
//       throw new Error("files is not set or empty in meta.json");

//    const tmpDir = await Deno.makeTempDir();
//    const packedFile = await Deno.makeTempFile();

//    try {
//       const walker = FS.walk(".", {
//          includeDirs: false,
//          includeFiles: true,
//          match: meta.files.map((file) => Path.globToRegExp(file)),
//       });

//       log("Copying files to package to", tmpDir);

//       const copy = async (path: string) => {
//          const dest = Path.join(tmpDir, path);
//          await FS.ensureDir(Path.dirname(dest));
//          await FS.copy(path, dest);
//       };

//       await copy("meta.json");

//       for await (const file of walker) {
//          await copy(file.path);
//       }

//       log("Compressing file");

//       await Compress.Tar.compress(tmpDir, packedFile, {
//          excludeSrc: true,
//       });

//       const url = new URL(config.registry);
//       url.pathname = "/api/package/" + meta.name;

//       log("Uploading new package version");

//       const res = await fetch(url, {
//          method: "POST",
//          body: await Deno.readFile(packedFile),
//          headers: {
//             Authorization:
//                "Basic " +
//                Base64.encode(config.username + ":" + config.password),
//          },
//       }).then((res) => (res.status === 200 ? res.json() : res.statusText));

//       log("Upload finished. Result:", res);

//       if (typeof res === "string" || res.error) {
//          console.log(
//             Colors.red("Error: " + (typeof res == "string" ? res : res.error))
//          );
//       } else {
//          if (res.success) {
//             console.log(Colors.green("Upload successfull"));
//          }
//       }
//    } finally {
//       await Deno.remove(tmpDir, { recursive: true });
//       await Deno.remove(packedFile);
//    }
// }

// async function _getMeta(): Promise<IMeta> {
//    log("Reading meta.json");
//    return (await FS.readJson("meta.json")) as IMeta;
// }

// async function _setMeta(meta: IMeta): Promise<void> {
//    log("Saving meta.json");
//    return FS.writeJson("meta.json", meta, {
//       spaces: "   ",
//    });
// }

// if (!username || !password || !registry) {
//    if (!flags.options.interactive) {
//       console.error(
//          Colors.red("Run setup or set necessary value in " + CONFIG_LOCATION)
//       );
//    } else {
//       log("Running setup");
//       await setup();
//    }
// }