import fs from "node:fs/promises";
import util from "node:util";
import { chromium } from "./browser";
import { createDatabase } from "./database";
import { createLibrary } from "./library";
import { createPlatform } from "./platform";

const options = {
  db: {
    type: "string",
    default: "gadl.db",
  },
  reset: {
    type: "boolean",
    async run() {
      await fs.rm(args.values.db!);
    },
  },
  login: {
    type: "boolean",
    async run() {
      const db = await createDatabase(args.values.db!);
      const browser = await chromium.launch({ headless: false });
      const platform = createPlatform({ db, browser });
      await platform.login();
    },
  },
  logout: {
    type: "boolean",
    async run() {
      const db = await createDatabase(args.values.db!);
      const browser = await chromium.launch();
      const platform = createPlatform({ db, browser });
      await platform.logout();
    },
  },
  add: {
    type: "string",
    async run() {
      const db = await createDatabase(args.values.db!);
      const library = createLibrary(db);
      await library.add(args.values.add!);
    },
  },
  list: {
    type: "boolean",
    short: "l",
    async run() {
      const db = await createDatabase(args.values.db!);
      const library = createLibrary(db);
      const books = await library.getBooks();
      console.dir(books, { depth: null });
    },
  },
  download: {
    type: "string",
    async run() {
      const db = await createDatabase(args.values.db!);
      const library = createLibrary(db);
      const books = await library.getBooks();
      const browser = await chromium.launch();
      const platform = createPlatform({ db, browser });
      await platform.download(args.values.download!, books);
    },
  },
  help: {
    type: "boolean",
    short: "h",
    run() {
      console.log(
        [
          "Available options:",
          ...Object.keys(options).map((option) => `  --${option}`),
        ].join("\n"),
      );
    },
  },
} as const;

const args = util.parseArgs({ options });

for (const option of Object.keys(options)) {
  if (args.values[option] && typeof options[option].run === "function") {
    await options[option].run();
    process.exit();
  }
}