Siren

<div align="center">
  <img src="siren.png" alt="drawing" width="200"/>
  <h1 align="center">Siren</h1> 
</div>

Siren is a D&D Bot built for Discord, written in Rust. Features include:
- Play tracks from Youtube or locally hosted files
- Assistant DM tools to be defined later
- ChatGPT integration

## Requirements
- [Docker](https://www.docker.com/)
- **Optional**: [Docker Compose](https://docs.docker.com/compose/install/)

## Running
1. Setup the Discord Developer Application and bot
2. Create `.env.local` and override any variables from `.env`
    - At minimum, `DISCORD_TOKEN` must be set. See [instructions](#setup-discord-developer-application) for additional steps.
3. Build the Docker application with `make build`
4. Start the application with `make up`

<h3 id='setup-discord-developer-application'>Setting up the Discord Developer Application</h3>
Visit the [Discord Developer Portal](https://discord.com/developers/applications) and create a new application. Click [here](https://discord.com/developers/docs/intro) for guides and more information.

Required Scopes:
```
bot
application.commands
```

Example Invite:
```
https://discord.com/api/oauth2/authorize?client_id=<CLIENT_ID>&permissions=40671259392832&scope=bot%20applications.commands
```
The CLIENT_ID can be found in the General Information tab on the Discord Developer Portal for your application, under `Application ID`

The DISCORD_TOKEN (used in the `.env file`) can be found under the Bot tab on the Discord Developer Portal for your application.

![DISCORD_TOKEN Example](docs/discord_token_example.png)

### Commands
Siren utilizes Discord slash commands. To view the commands, run `/help` in a server where the bot is installed. The following commands are available:

| Command | Description |
| --- | --- |
| `/play` | Play a track from Youtube or locally hosted files |
| `/pause` | Pause the current track |
| `/resume` | Resume the current track |
| `/skip` | Skip the current track |
| `/stop` | Stop the current track |
| `/queue` | ***TODO*** - Display the current queue |
| `/clear` | ***TODO*** - Clear the current queue |
| `/shuffle` | ***TODO*** - Shuffle the current queue |
| `/loop` | ***TODO*** - Loop the current track |
| `/nowplaying` | ***TODO*** - Display the current track |
| `/volume` | Set the volume of the bot |
| `/ping` | Display the bot's latency |
| `/roll` | Roll a dice |
| `/help` | ***TODO*** - Display a list of commands |

## Contributing
[Rust](https://www.rust-lang.org/) must be installed to run locally. See [serenity-rs/serenity](https://github.com/serenity-rs/serenity) for more information about Rust Discord API Library. 

The following packages must be installed for [serenity-rs/songbird](https://github.com/serenity-rs/songbird). View the repository for additional installation and setup information on other operating systems.
<details>
  <summary>Unix Installation</summary>
  Notes:

  - [yt-dlp](https://github.com/yt-dlp/yt-dlp/releases) is preferred over youtube-dl.

  ```
  sudo apt install libopus-dev
  sudo apt install ffmpeg
  sudo apt apt install youtube-dl # See notes above
  # PostgreSQL Headers
  sudo apt install libpq5
  sudo apt install libpq-dev
  ```

  - Potentially requires [yt-dlp](https://github.com/yt-dlp/yt-dlp#installation) and [yt-dlp FFmpeg Static Auto-Builds](https://github.com/yt-dlp/FFmpeg-Builds).

</details>
<details>
  <summary>Mac Installation</summary>
  Notes:

  - [Homebrew](https://brew.sh/) must be installed to run the following commands.
  - [youtube-dl](https://formulae.brew.sh/formula/youtube-dl#default) is deprecated, [yt-dlp](https://formulae.brew.sh/formula/yt-dlp) is preferred

  ```
  brew install opus
  brew install ffmpeg
  brew install yt-dlp # See notes above
  brew install postgresql
  ```
</details>

### Running Locally
1. Start the backend containers with `make docker-refresh`
2. Start the application with `make run`

The application can also be tested from within a Docker container:
```
docker build -t siren:latest .
docker run --env-file .env -it --rm --name siren siren:latest
```