#!/bin/bash
set -euo pipefail

# Change directory to the root of the project
cd "$(dirname "$0")/.."

export RUST_LOG="${RUST_LOG:-info}"

# Connect to localhost by default.
HOST="${HOST:-localhost}"
PORT="${PORT:-4443}"
ADDR="${ADDR:-$HOST:$PORT}"

# Generate a random 16 character name by default.
NAME="${NAME:-$(head /dev/urandom | LC_ALL=C tr -dc 'a-zA-Z0-9' | head -c 16)}"

# Combine the host and name into a URL.
URL="${URL:-"https://$ADDR/$NAME"}"

# Default to a source video
MEDIA="${MEDIA:-dev/source.mp4}"

# Print out the watch URL
echo "Watch URL: https://quic.video/watch/$NAME?server=$ADDR"

# Run ffmpeg and pipe the output to moq-pub
ffmpeg -hide_banner -v quiet \
	-stream_loop -1 -re \
	-i "$MEDIA" \
	-an \
	-f mp4 -movflags empty_moov+frag_every_frame+separate_moof+omit_tfhd_offset - \
	| RUST_LOG=info cargo run --bin moq-pub -- "$URL" "$@"