core

Println()
{
    printf '\n%b\n' "$1"
}

Trim()
{
    local text="${!1}"
    text="${text#"${text%%[![:space:]]*}"}"
    text="${text%"${text##*[![:space:]]}"}"
    read -r ${1} <<< "$text"
}

JoinByChar()
{
  local IFS="$1"
  shift
  echo "$*"
}

JoinByString()
{
  local separator="$1"
  shift
  local first="$1"
  shift
  printf "%s" "$first" "${@/#/$separator}"
}

shopt -s extglob

EleInArray()
{
  local ele="$1"
  shift
  local arr=("$@")
  [[ "$ele" == @($(JoinByChar '|' "${arr[@]//|/\\|}")) ]]
}

printf()
{
    if [ "${BASH_VERSINFO[0]}" -lt 4 ] 
    then
        DistCheck

        if [[ "${3:-}" =~ \%\((.+)\)T ]] 
        then
            if [ "${4:--1}" == "-1" ] 
            then
                read -r $2 < <(date +"${BASH_REMATCH[1]}")
            elif [ "$dist" == "mac" ] && ! type -p gdate &>/dev/null
            then
                read -r $2 < <(date -r $4 +"${BASH_REMATCH[1]}")
            else
                read -r $2 < <(date +"${BASH_REMATCH[1]}" -d @$4)
            fi

            return 0
        elif [[ "$1" =~ \%\((.+)\)T ]] 
        then
            if [ "${2:--1}" == "-1" ] 
            then
                echo $(date +"${BASH_REMATCH[1]}")
            elif [ "$dist" == "mac" ] && ! type -p gdate &>/dev/null
            then
                echo $(date -r $2 +"${BASH_REMATCH[1]}")
            else
                echo $(date +"${BASH_REMATCH[1]}" -d @$2)
            fi

            return 0
        fi
    fi

    builtin printf "$@"
}

CurlFake()
{
    CurlImpersonateInstall
    local service_name="$1"
    if [[ -x "${CURL_IMPERSONATE_FILE}-$service_name" ]] 
    then
        shift
        "${CURL_IMPERSONATE_FILE}-$service_name" "$@"
        return 0
    elif [ "$service_name" == "xtream_codes" ] 
    then
        rm -f "${CURL_IMPERSONATE_FILE}-$service_name"
        awk '!x{x=sub(/dir=.*/,"dir='"$HOME/curl-impersonate"'")}1' "$HOME/curl-impersonate/curl_chrome99_android" > "${CURL_IMPERSONATE_FILE}-$service_name"
        chmod +x "${CURL_IMPERSONATE_FILE}-$service_name"
        echo "$(awk '!x{x=sub(/-H '\''User-Agent: .*'\'' \\/,"-H '\''User-Agent: '"$USER_AGENT_TV"''\'' \\")}1' "${CURL_IMPERSONATE_FILE}-$service_name")" > "${CURL_IMPERSONATE_FILE}-$service_name"
        shift
        "${CURL_IMPERSONATE_FILE}-$service_name" "$@"
        return 0
    fi
    curl-impersonate "$@"
}

SetDelimiters()
{
    [ -n "${delimiters:-}" ] && return 0

    if [ "${BASH_VERSINFO[0]}" -lt 4 ] 
    then
        delimiters=( $'μ' $'\002' $'\003' $'\004' $'\005' $'\006' )
    else
        delimiters=( $'\001' $'\002' $'\003' $'\004' $'\005' $'\006' )
    fi
}

RandStr()
{
    str_size=8
    str_array=(
        q w e r t y u i o p a s d f g h j k l z x c v b n m
        Q W E R T Y U I O P A S D F G H J K L Z X C V B N M
    )
    str_array_size=${#str_array[*]}
    str_len=0
    rand_str=""
    while [[ $str_len -lt $str_size ]]
    do
        str_index=$((RANDOM%str_array_size))
        rand_str="$rand_str${str_array[str_index]}"
        str_len=$((str_len+1))
    done
    echo "$rand_str"
}

# printf %s "$1" | jq -s -R -r @uri
Urlencode()
{
    local LC_ALL='' LANG=C i c e=''
    for ((i=0;i<${#1};i++))
    do
        c=${1:$i:1}
        [[ $c =~ [a-zA-Z0-9\.\~\_\-] ]] || printf -v c '%%%02x' "'$c"
        e+="$c"
    done
    echo "$e"
}

UrlencodeUpper()
{
    local LC_ALL='' LANG=C i c e=''
    for ((i=0;i<${#1};i++))
    do
        c=${1:$i:1}
        [[ $c =~ [a-zA-Z0-9\.\~\_\-] ]] || printf -v c '%%%02X' "'$c"
        e+="$c"
    done
    echo "$e"
}

Urldecode()
{
    local i="${*//+/ }"
    echo -e "${i//%/\\x}"
}

GetServerIp()
{
    ip=$(dig +short myip.opendns.com @resolver1.opendns.com) || true
    if [ -z "$ip" ] || [ "${#ip}" -gt 15 ]
    then
        ip=$(curl -s whatismyip.akamai.com)
    fi
    [ -z "$ip" ] && ip=$(curl -s ipv4.icanhazip.com)
    [ -z "$ip" ] && ip=$(curl -s api.ip.sb/ip)
    [ -z "$ip" ] && ip=$(curl -s ipinfo.io/ip)
    echo "$ip"
}

GetFreePort()
{
    if [ -n "${1:-}" ] && [ -n "${2:-}" ]
    then
        lport=$1
        uport=$2
    else
        read lport uport < /proc/sys/net/ipv4/ip_local_port_range
    fi

    while true
    do
        candidate=$((lport+RANDOM%(uport-lport)))
        if ! ( echo -n "" >/dev/tcp/127.0.0.1/"$candidate" )  >/dev/null 2>&1
        then
            echo "$candidate"
            break
        fi
    done
}

GetRandomMac()
{
    echo $RANDOM|md5sum|sed 's/../&:/g'|cut -c 1-17
}

PrepTerm()
{
    unset term_child_pid
    unset term_kill_needed
    unset term_signal
    trap 'HandleTerm' TERM
}

HandleTerm()
{
    if [ -n "${term_child_pid:-}" ]
    then
        if [ "${pkill:-0}" -eq 1 ] 
        then
            pkill -TERM -P "$term_child_pid" 2> /dev/null || true
        elif [ "${force_exit:-0}" -eq 1 ] 
        then
            kill -9 "$term_child_pid" 2> /dev/null || true
        else
            kill -TERM "$term_child_pid" 2> /dev/null || true
        fi
    else
        term_kill_needed=1
    fi
}

WaitTerm()
{
    term_child_pid=$!
    if [ "${term_kill_needed:-0}" -eq 1 ]
    then
        if [ "${pkill:-0}" -eq 1 ] 
        then
            pkill -TERM -P "$term_child_pid" 2> /dev/null || true
        elif [ "${force_exit:-0}" -eq 1 ] 
        then
            kill -9 "$term_child_pid" 2> /dev/null || true
        else
            kill -TERM "$term_child_pid" 2> /dev/null || true
        fi
    fi
    wait $term_child_pid 2> /dev/null || term_signal=1
    trap - TERM
    wait $term_child_pid 2> /dev/null || true
    if [ "${term_signal:-0}" -eq 1 ] 
    then
        rm -rf "${delete_on_term:-notfound}"
        exit 1
    fi
}

Include utils/system "$@"

Include utils/inquirer "$@"

Include utils/spinner "$@"

Include utils/progress "$@"

Include utils/shfile "$@"

Include utils/jq "$@"

Include utils/curl "$@"

Include utils/log