import test from "node:test";
import assert from "node:assert/strict";
import fs from "node:fs";

const ENVIRONMENT = {
  NODE_ENV: "test",
  DISCORD_GUILD_ID: "1",
  SHINUWA_USER_ID: "1",
  WEB_SERVER_PORT: "3000",
  WEB_API_KEY: "test-key",
  DISCORD_APPLICATION_ID: "1",
  DISCORD_TOKEN: "test-token",
  VOICE_CHANNEL_ID: "1",
  TEXT_CHANNEL_ID: "1",
  GAME_SERVERS_MESSAGE_ID: "1",
};
Object.assign(process.env, ENVIRONMENT);

async function loadCommands() {
  const files = fs
    .readdirSync("src/commands", { withFileTypes: true })
    .filter((entry) => entry.isDirectory())
    .flatMap((directory) =>
      fs
        .readdirSync(`src/commands/${directory.name}`)
        .filter((file) => file.endsWith(".js"))
        .map((file) => `../src/commands/${directory.name}/${file}`)
    );
  return Promise.all(files.map((file) => import(file)));
}

test("all Discord commands expose valid command data", async () => {
  const modules = await loadCommands();
  assert.equal(modules.length, 9);
  for (const module of modules) {
    assert.doesNotThrow(() => module.command.data.toJSON());
    assert.equal(typeof module.command.execute, "function");
  }
});

test("administrative commands require Discord permissions", async () => {
  const modules = await loadCommands();
  const protectedCommands = new Set([
    "deletemsgs",
    "muteall",
    "unmuteall",
    "deafall",
    "undeafall",
  ]);

  for (const module of modules) {
    const data = module.command.data.toJSON();
    if (protectedCommands.has(data.name)) {
      assert.notEqual(data.default_member_permissions, undefined, data.name);
      assert.notEqual(data.default_member_permissions, null, data.name);
    }
  }
});