chat

#!/usr/bin/env bash

set -euo pipefail

CHAT_DIR="$HOME/github/remote-streamerbot-chat"
CHAT_FILE="$CHAT_DIR/chat.html"
SERVER_FILE="$CHAT_DIR/chat-server.py"
PROFILE_DIR="$HOME/.config/streamerbot-chat-profile"
SERVER_HOST="127.0.0.1"
SERVER_PORT="${STREAMERBOT_CHAT_PORT:-8765}"
BROWSER_CMD="${STREAMERBOT_CHAT_BROWSER:-brave-origin-nightly}"
RUNTIME_DIR="$HOME/.cache/streamerbot-chat"
SERVER_PID_FILE="$RUNTIME_DIR/server.pid"

ensure_server_running() {
  mkdir -p "$RUNTIME_DIR"

  if [[ -f "$SERVER_PID_FILE" ]]; then
    local existing_pid
    existing_pid="$(cat "$SERVER_PID_FILE" 2>/dev/null || true)"
    if [[ -n "$existing_pid" ]] && kill -0 "$existing_pid" 2>/dev/null; then
      return
    fi
    rm -f "$SERVER_PID_FILE"
  fi

  python3 "$SERVER_FILE" \
    --host "$SERVER_HOST" \
    --port "$SERVER_PORT" \
    --directory "$CHAT_DIR" \
    >/dev/null 2>&1 &

  local new_pid=$!
  echo "$new_pid" > "$SERVER_PID_FILE"

  if ! kill -0 "$new_pid" 2>/dev/null; then
    echo "Error: failed to start local server on ${SERVER_HOST}:${SERVER_PORT}."
    exit 1
  fi
}

# Ensure file exists
if [[ ! -f "$CHAT_FILE" ]]; then
  echo "Error: $CHAT_FILE not found."
  exit 1
fi

if [[ ! -f "$SERVER_FILE" ]]; then
  echo "Error: $SERVER_FILE not found."
  exit 1
fi

if ! command -v python3 >/dev/null 2>&1; then
  echo "Error: python3 is required to serve chat.html over localhost."
  exit 1
fi

if ! command -v "$BROWSER_CMD" >/dev/null 2>&1; then
  echo "Error: browser command '$BROWSER_CMD' was not found."
  exit 1
fi

# Remove only the SingletonLock so Chromium doesn't hand off to a dead session
rm -f "$PROFILE_DIR/SingletonLock" "$PROFILE_DIR/SingletonCookie" "$PROFILE_DIR/SingletonSocket"

ensure_server_running

python3 - <<PY
import socket
import sys
import time

host = ${SERVER_HOST@Q}
port = int(${SERVER_PORT@Q})

for _ in range(50):
  try:
    with socket.create_connection((host, port), timeout=0.2):
      sys.exit(0)
  except OSError:
    time.sleep(0.1)

sys.exit(1)
PY

"$BROWSER_CMD" \
  --user-data-dir="$PROFILE_DIR" \
  --disable-gpu \
  --ozone-platform=x11 \
  --no-first-run \
  --no-default-browser-check \
  --disable-extensions \
  --class="StreamerBotChat" \
  "http://${SERVER_HOST}:${SERVER_PORT}/chat.html"