#!/bin/bash
##############################################################################
# browser-exec
# -----------
# Opens a hyperlink in the browser that is currently being run in a container.
# First checks if firefox is running then chrome.
# If neither are running it starts a firefox container.
#
# Usage:
#   browser-exec $uri
#
# Based on the amazing work of Jess Frazelle
#
# Dependancies: firefox, chrome, nsenter, xdg
#
# :authors: Levi Olson
# :date: 1 Feb 2018
# :version: 0.0.1
##############################################################################
#set -e
set -o pipefail

browser_exec() {
    # check if firefox container is running
    firefox_state=$(docker inspect --format "{{.State.Running}}" firefox 2>/dev/null)
    if [[ "$firefox_state" == "true" ]]; then
        docker exec -i firefox /usr/bin/firefox "$@" 2>/dev/null
    else
        # check if chrome container is running
        chrome_state=$(docker inspect --format "{{.State.Running}}" chrome 2>/dev/null)
        if [[ "$chrome_state" == "true" ]]; then
            docker exec -i chrome /usr/bin/google-chrome --user-data-dir=/data "$@" 2>/dev/null
        else
            # maybe we are running in runc
            chrome_pid=$(pgrep -f "chrome --user-data" | head -n 1 2>/dev/null)
            if [[ ! -z "$chrome_pid" ]]; then
                # nsenter the chrome runc container
                sudo nsenter -t "$chrome_pid" --pid --user --net --uts --mount --ipc /usr/bin/google-chrome --user-data-dir=/data "$@" 2>/dev/null
            else
                # neither are currently running so lets try xdg-open
                xdg-open "$@"
            fi

        fi
    fi
}

browser_exec "$@"