#!/bin/bash

export LANG='en_US.UTF-8'
# set column width
COLUMNS=1
# colors
green="\e[1;32m"
red="\e[1;31m"
yellow="\e[1;33m"
undim="\e[0m"

docker_format='docker ps --format "{{.Names}} {{.Status}}" -a'
game_label='eval "$docker_format" --filter "label=game_server"'
traker='eval "$docker_format" --filter "label=traker"'
combined='(eval "$docker_format" --filter "label=traker" && eval "$docker_format" --filter "label=game_server") | sort'

mapfile -t containers < <( comm -2 -3 <( eval "$docker_format" | sort) <( eval "$combined") | sed '/^\s*$/d' | tail -n +1)
mapfile -t game_servers < <( eval "$game_label" | sort | sed '/^\s*$/d'| tail -n +1)
mapfile -t trakers < <( eval "$traker" | sort | sed '/^\s*$/d'| tail -n +1)

check_status() {
    IFS=" " read name status <<< $1
    replica=$( echo ${name} | sed 's/\([^.]*\)\.\([^.]*\)\.\([^.]*\)/\2/')
    name=$( echo ${name} | sed 's/\([^.]*\)\.\([^.]*\)\.\([^.]*\)/\1/')

    if   [[ "${status}" == *"healthy"* ]]; then
        _status="${green}healthy${undim}"

    elif [[ "${status}" == *"Restarting"* ]]; then
        _status="${yellow}restarting${undim}"

    elif [[ "${status}" == *"Paused"* ]]; then
        _status="${yellow}paused${undim}"

    elif [[ "${status}" == *"Up"* ]]; then
        _status="${green}up${undim}"

    elif [[ "${status}" == *"Created"* ]]; then
        _status="${yellow}created${undim}"

    elif [[ "${status}" == *"Exited"* ]]; then
        _status="${red}exited${undim}"

    fi

    _line=${name},${_status}
    echo -e "${name}  ${_status}" | awk '{printf("  %-20s %+20s\n", $1, $2); }'
}

printf "\nDocker status:\n Game Servers:\n"
for i in "${!game_servers[@]}"; do
    check_status "${game_servers[$i]}"
done

printf "\n Tracker:\n"
for i in "${!trakers[@]}"; do
    check_status "${trakers[$i]}"
done

printf "\n Other:\n"
for i in "${!containers[@]}"; do
    check_status "${containers[$i]}"
done
printf ""