import { from } from "env-var";

import type { LogLevel, Mode } from "./types";

const envVar = from(process.env, {
  asLogLevel: (value): LogLevel => {
    const logLevels = ["error", "info", "debug"];
    if (logLevels.includes(value)) {
      return value as LogLevel;
    } else {
      throw new Error("Invalid log level");
    }
  },
  asTs3GotifyMode: (value): Mode[] => {
    const parsedValue: string[] = envVar.accessors.asJsonArray(value);

    const modes = ["connect", "disconnect", "moved", "message"];
    for (const mode of parsedValue) {
      if (!modes.includes(mode)) {
        throw new Error("Invalid mode");
      }
    }
    return parsedValue as Mode[];
  },
});

export const LOG_LEVEL = envVar.get("LOG_LEVEL").default("info").asLogLevel();

export const TS3_HOST = envVar.get("TS3_HOST").required().asString();
export const TS3_QUERY_PORT = envVar
  .get("TS3_QUERY_PORT")
  .default(10011)
  .asPortNumber();
export const TS3_SERVER_PORT = envVar
  .get("TS3_SERVER_PORT")
  .default(9987)
  .asPortNumber();
export const TS3_USERNAME = envVar.get("TS3_USERNAME").required().asString();
export const TS3_PASSWORD = envVar.get("TS3_PASSWORD").required().asString();
export const TS3_NICKNAME = envVar
  .get("TS3_NICKNAME")
  .default("ts3gotify")
  .asString();

export const GOTIFY_URL = envVar.get("GOTIFY_URL").required().asUrlString();
export const GOTIFY_TOKEN = envVar.get("GOTIFY_TOKEN").required().asString();
export const GOTIFY_TITLE = envVar
  .get("GOTIFY_TITLE")
  .default("ts3gotify")
  .asString();

export const MODE = envVar.get("MODE").default('["connect"]').asTs3GotifyMode();