#!/bin/bash
request=$1
shift

commands=(info help version ffmpeg)
commands+=(cmd_*)

cd /assets

. SOLUTION
. MANIFEST

name() {
  cat << EOF
Intel Accelerated Graphics and Media Access container
Copyright (C) 2019 Intel Corporation
-----
EOF
}

info() {
  [ "$1" == "--short" ] && {
    echo "Information about running container environment"
  } || {
  cat << EOF
$(name)

Detected base OS: Ubuntu 19.04
Detected hardware: None
Detected Agama version: ${AGAMA_VERSION}

EOF
  }
}

version() {
  [ "$1" == "--short" ] && {
    echo "Show container version information"
  } || {
  cat << EOF
$CONTAINER built using Agama $AGAMA_VERSION.

EOF
  }
}

ffmpeg() {
  [ "$1" == "--short" ] && {
    echo "Run ffmpeg commands."
  } || {
    /usr/local/bin/ffmpeg $*
  }
}

help() {
  [ "$1" == "--short" ] && {
    echo "This help information"
  } || {
  cat << EOF
$(name)

Commands:
EOF
    # Change cmd_foo to ./cmd_foo in expansion below
    for cmd in ${commands[@]}; do
      printf "  %-15s  %s\n" ${cmd/cmd_} "$(${cmd/cmd_/./cmd_} --short)"
    done
  }
}

case $request in
info)
  info $*
  ;;

ffmpeg)
  ffmpeg $*
  ;;

version)
  version $*
  ;;

help|"")
  help $*
  ;;

*)
  [ ! -f ./cmd_$request ] && {
    echo "'${request}' is not a recognized command."
  } || {
    ./cmd_$request $*
  }
  ;;
esac