#!/usr/bin/with-contenv bash
# shellcheck shell=bash

# #
#   defaults
# #

PUID=${PUID:-911}
PGID=${PGID:-911}
DIR_BUILD=${DIR_BUILD:-/usr/src/app}
DIR_RUN=${DIR_RUN:-/usr/bin/app}
bHasError=false

# #
#   define > colors
#
#   Use the color table at:
#       - https://gist.github.com/fnky/458719343aabd01cfb17a3a4f7296797
# #

declare -A c=(
    [end]=$'\e[0m'
    [white]=$'\e[97m'
    [bold]=$'\e[1m'
    [dim]=$'\e[2m'
    [underline]=$'\e[4m'
    [strike]=$'\e[9m'
    [blink]=$'\e[5m'
    [inverted]=$'\e[7m'
    [hidden]=$'\e[8m'
    [black]=$'\e[0;30m'
    [redl]=$'\e[0;91m'
    [redd]=$'\e[0;31m'
    [magental]=$'\e[0;95m'
    [magentad]=$'\e[0;35mm'
    [bluel]=$'\e[0;94m'
    [blued]=$'\e[0;34m'
    [cyanl]=$'\e[0;96m'
    [cyand]=$'\e[0;36m'
    [greenl]=$'\e[0;92m'
    [greend]=$'\e[0;32m'
    [yellowl]=$'\e[0;93m'
    [yellowd]=$'\e[0;33m'
    [greyl]=$'\e[0;37m'
    [greyd]=$'\e[0;90m'
    [navy]=$'\e[38;5;62m'
    [olive]=$'\e[38;5;144m'
    [peach]=$'\e[38;5;210m'
)

# #
#   unicode for emojis
#       https://apps.timwhitlock.info/emoji/tables/unicode
# #

declare -A icon=(
    ["symbolic link"]=$'\xF0\x9F\x94\x97' # 🔗
    ["regular file"]=$'\xF0\x9F\x93\x84' # 📄
    ["directory"]=$'\xF0\x9F\x93\x81' # 📁
    ["regular empty file"]=$'\xe2\xad\x95' # ⭕
    ["log"]=$'\xF0\x9F\x93\x9C' # 📜
    ["1"]=$'\xF0\x9F\x93\x9C' # 📜
    ["2"]=$'\xF0\x9F\x93\x9C' # 📜
    ["3"]=$'\xF0\x9F\x93\x9C' # 📜
    ["4"]=$'\xF0\x9F\x93\x9C' # 📜
    ["5"]=$'\xF0\x9F\x93\x9C' # 📜
    ["pem"]=$'\xF0\x9F\x94\x92' # 🔑
    ["pub"]=$'\xF0\x9F\x94\x91' # 🔒
    ["pfx"]=$'\xF0\x9F\x94\x92' # 🔑
    ["p12"]=$'\xF0\x9F\x94\x92' # 🔑
    ["key"]=$'\xF0\x9F\x94\x91' # 🔒
    ["crt"]=$'\xF0\x9F\xAA\xAA ' # 🪪
    ["gz"]=$'\xF0\x9F\x93\xA6' # 📦
    ["zip"]=$'\xF0\x9F\x93\xA6' # 📦
    ["gzip"]=$'\xF0\x9F\x93\xA6' # 📦
    ["deb"]=$'\xF0\x9F\x93\xA6' # 📦
    ["sh"]=$'\xF0\x9F\x97\x94' # 🗔
)

# #
#   define > system
# #

sys_os_ver="1.0.0"
sys_os_name="Unknown"

# #
#   s6 > store env variables
# #

printf '%-29s %-65s\n' "  ${c[bluel]}STATUS${c[end]}" "${c[end]}Fetching docker container and gateway addresses${c[end]}"

# #
#   get container ips
# #

ip_gateway=$(/sbin/ip route|awk '/default/ { print $3 }')
ip_container=$(ifconfig | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1')

if [ -d "/var/run/s6/container_environment/" ]; then
    printf "$ip_gateway" > /var/run/s6/container_environment/IP_GATEWAY
    printf "$ip_container" > /var/run/s6/container_environment/IP_CONTAINER
else
    printf '%-29s %-65s\n' "  ${c[redl]}ERROR${c[end]}" "${c[end]}Cannot generate s6-overlay env files; folder ${c[redl]}/var/run/s6/container_environment/${c[end]} does not exist${c[end]}"
    bHasError=true
fi

# #
#   s6 > export env vars
# #

export IP_GATEWAY=$ip_gateway
export IP_GATEWAY=$ip_container

# #
#   install and startup for tvapp2
# #

printf '%-29s %-65s\n' "  ${c[bluel]}STATUS${c[end]}" "${c[end]}Copying ${c[bluel]}${DIR_BUILD}${c[end]} to ${c[bluel]}${DIR_RUN}${c[end]}"
if [ -z "${DIR_BUILD}" ]; then
    printf '%-29s %-65s\n' "  ${c[redl]}ERROR${c[end]}" "${c[end]}Cannot copy; env var ${c[redl]}\${DIR_BUILD}${c[end]} missing${c[end]}"
    bHasError=true
else
    if [ -d "${DIR_BUILD}/" ]; then
        cp -r ${DIR_BUILD}/* ${DIR_RUN}
    else
        printf '%-29s %-65s\n' "  ${c[redl]}ERROR${c[end]}" "${c[end]}Cannot copy folder ${c[redl]}${DIR_BUILD}${c[end]} to ${c[redl]}${DIR_RUN}${c[end]}; build folder ${c[redl]}${DIR_BUILD}${c[end]} does not exist${c[end]}"
        bHasError=true
    fi
fi

# #
#   remove build directory
# #

printf '%-29s %-65s\n' "  ${c[bluel]}STATUS${c[end]}" "${c[end]}Remove ${c[bluel]}${DIR_BUILD}/${c[end]}"
if [ -z "${DIR_BUILD}" ]; then
    printf '%-29s %-65s\n' "  ${c[redl]}ERROR${c[end]}" "${c[end]}Cannot remove; env var ${c[redl]}\${DIR_BUILD}${c[end]} missing${c[end]}"
else
    if [ -d "${DIR_BUILD}" ]; then
        rm -rf "${DIR_BUILD}/"
    else
        printf '%-29s %-65s\n' "  ${c[redl]}ERROR${c[end]}" "${c[end]}Cannot remove; build folder ${c[redl]}${DIR_BUILD}${c[end]} does not exist. Restart the container to re-initialize build folder.${c[end]}"
    fi
fi

# #
#   cd to BUILD_RUN directory
# #

printf '%-29s %-65s\n' "  ${c[bluel]}STATUS${c[end]}" "${c[end]}Changing to run directory ${c[bluel]}${DIR_RUN}/${c[end]}"
if [ -z "${DIR_RUN}" ]; then
    printf '%-29s %-65s\n' "  ${c[redl]}ERROR${c[end]}" "${c[end]}Cannot cd; env var ${c[redl]}\${DIR_RUN}${c[end]} missing${c[end]}"
    bHasError=true
else
    if [ -d "${DIR_RUN}" ]; then
        cd ${DIR_RUN}
    else
        printf '%-29s %-65s\n' "  ${c[redl]}ERROR${c[end]}" "${c[end]}Cannot cd; run folder ${c[redl]}${DIR_RUN}${c[end]} does not exist${c[end]}"
        bHasError=true
    fi
fi

# #
#   install tvapp2 via npm
# #

printf '%-29s %-65s\n' "  ${c[bluel]}STATUS${c[end]}" "${c[end]}Running command ${c[bluel]}npm install --omit=dev${c[end]}"
if ! command -v npm; then
    printf '%-29s %-65s\n' "  ${c[redl]}ERROR${c[end]}" "${c[end]}Cannot install TVApp2 with npm because package ${c[redl]}npm${c[end]} not installed${c[end]}"
    bHasError=true
else
    npm install --omit=dev

    printf '%-29s %-65s\n' "  ${c[bluel]}STATUS${c[end]}" "${c[end]}Running command ${c[bluel]}npm start${c[end]}"
    npm start
fi

# #
#   finished run script
# #

printf '%-29s %-65s\n' "  ${c[greenl]}OK${c[end]}" "${c[end]}Finished initializing script${c[end]}"
if [ "$bHasError" = true ] ; then
    printf '%-29s %-65s\n' "" ""
    printf '%-29s %-65s\n' "  ${c[redl]}ERROR${c[end]}" "${c[end]}Fatal errors were detected${c[end]}"
    printf '%-29s %-65s\n' "  ${c[redl]}${c[end]}" "${c[end]}The run script detected that certain steps failed. This app may not${c[end]}"
    printf '%-29s %-65s\n' "  ${c[redl]}${c[end]}" "${c[end]}work properly. Try restarting the container.${c[end]}"
    printf '%-29s %-65s\n' "" ""
fi