#!/bin/bash

declare -r entropy=$(xxd -l16 -ps /dev/urandom)

#declare -r CHROME_DIR="${HOME}/.chromeDevTemp"
declare -r chrome_dir="/tmp/chrome/${entropy}"

# See flags available and documentation:
# https://chromium.googlesource.com/chromium/src/+/HEAD/chrome/common/chrome_switches.cc
# https://github.com/GoogleChrome/chrome-launcher/blob/main/docs/chrome-flags-for-tools.md
# https://peter.sh/experiments/chromium-command-line-switches/

# NB: Creating the directory first seems to block process start.
# Perhaps this is the wrong chmod ownership flags.
#mkdir -p $CHROME_DIR

    #--auto-open-devtools-for-tabs="true" \
    #--devtools-flags="" \

# TODO(bt): Math to determine better window placement.

launch_linux() {
  chromium \
    --allow-running-insecure-content \
    --disable-features=ChromeLabs \
    --disable-site-isolation-trials \
    --disable-web-security \
    --ignore-certificate-errors \
    --install-autogenerated-theme="100,150,255" \
    --unsafely-treat-insecure-origin-as-secure="http://localhost:5173" \
    --user-data-dir="${chrome_dir}" \
    --window-position=1200,300 \
    --window-size=1500,1700 \
    http://localhost:5173
}

launch_mac() {
  # See https://stackoverflow.com/a/58658101
  # NB: '7001' port is being chosen because something on the system is hogging port 7000.
  # chrome://flags/#unsafely-treat-insecure-origin-as-secure - allow microphone recording
  # otherwise getUserMedia() / navigator.mediaDevices will not function
  # --guest: no Google login screen
  open -na "Google Chrome" --args \
    --disable-features=ChromeLabs \
    --disable-site-isolation-trials \
    --disable-web-security \
    --ignore-certificate-errors \
    --install-autogenerated-theme="100,150,255" \
    --unsafely-treat-insecure-origin-as-secure="http://localhost:5173" \
    --user-data-dir="${chrome_dir}" \
    --window-position=1200,300 \
    --window-size=1500,1700 \
    --guest \
    http://localhost:5173
}

case $OSTYPE in 
  linux*)
    launch_linux
  ;; 
  darwin*)
    launch_mac
  ;; 
  *)
    echo "Unknown OS"
  ;; 
esac