#!/usr/bin/env bash
export LC_ALL=C.UTF-8
export LANG=en_US.UTF-8

YELLOW='\e[33m'
GREEN='\e[32m'
CYAN='\e[36m'
PINK='\e[35m'
RED='\e[31m'
RESET='\e[0m'

detect_os() {
    if   [ -f /etc/almalinux-release ];  then cat /etc/almalinux-release
    elif [ -f /etc/rocky-release ];      then cat /etc/rocky-release
    elif [ -f /etc/centos-release ];     then cat /etc/centos-release
    elif [ -f /etc/redhat-release ];     then cat /etc/redhat-release
    elif [ -f /etc/lsb-release ];        then . /etc/lsb-release 2>/dev/null && echo "${DISTRIB_DESCRIPTION:-Ubuntu}"
    elif [ -f /etc/debian_version ];     then echo "Debian $(cat /etc/debian_version)"
    elif [ -f /etc/os-release ];         then . /etc/os-release 2>/dev/null && echo "${PRETTY_NAME:-Linux}"
    else uname -s
    fi
}

spinner() {
    local duration=${1:-12}
    local delay=0.08
    local spinstr='|/-\'
    local text="Lisanslama işlemi devam ediyor, lütfen bekleyiniz... Kurulum sonrası bir kaç dakika içerisinde panelinizde güncellenir.... "
    local printed=""
    local start_time=$(date +%s)
    local i=0

    while (( $(date +%s) - start_time < duration )); do
        for ((s=0; s<${#spinstr}; s++)); do

            # yazıyı harf harf ekle
            if [ $i -lt ${#text} ]; then
                printed="${printed}${text:$i:1}"
                ((i++))
            fi

            printf "\r${CYAN}[${spinstr:$s:1}]${RESET} %s" "$printed"
            sleep $delay
        done
    done

    printf "\r${GREEN}[✓]${RESET} %s\n" "$text"
}

spinner_wait() {
    local pid="$1"
    local delay=0.10
    local spinstr='|/-\'
    local text="Lisanslama işlemi devam ediyor, lütfen bekleyiniz... "
    local i=0

    while kill -0 "$pid" 2>/dev/null; do
        printf "\r${CYAN}[${spinstr:$((i % 4)):1}]${RESET} %s" "$text"
        i=$((i + 1))
        sleep "$delay"
    done

    wait "$pid"
    local rc=$?
    if [ "$rc" -eq 0 ]; then
        printf "\r${GREEN}[✓]${RESET} Lisanslama işlemi tamamlandı.                         \n"
    else
        printf "\r${RED}[✖]${RESET} Lisanslama işlemi başarısız oldu.                    \n"
    fi
    return "$rc"
}

is_bad_response() {
    local value="$1"
    local first_line
    first_line=$(printf '%s' "$value" | tr -d '\r' | sed -n '/[^[:space:]]/{p;q;}')

    if [ -z "$first_line" ]; then
        return 0
    fi

    if printf '%s' "$value" | grep -Eiq '<!doctype|<html|<head|<body|</html>|404|Oops!|Something Went wrong|Internal Server Error|Fatal error|Warning:'; then
        return 0
    fi

    if [ "${#first_line}" -gt 160 ]; then
        return 0
    fi

    return 1
}

fetch_text() {
    local url="$1"
    local fallback="${2:-}"
    local value
    value=$(curl -4 -fsSL --connect-timeout 8 --max-time 20 "$url" 2>/dev/null || true)
    value=$(printf '%s' "$value" | tr -d '\r' | sed -n '/[^[:space:]]/{p;q;}' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')

    if is_bad_response "$value"; then
        printf '%s' "$fallback"
        return
    fi

    printf '%s' "$value"
}

normalize_brand() {
    local value="$1"
    local fallback="${2:-License Portal}"
    value=$(printf '%s' "$value" | tr -d '\r\n' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')

    if is_bad_response "$value"; then
        printf '%s' "$fallback"
        return
    fi

    case "$(printf '%s' "$value" | tr '[:upper:]' '[:lower:]')" in
        ""|"licenseapis.com"|"license api service"|"proxylicense.net"|"proxy license"|"724license.com"|"license seller")
            printf '%s' "$fallback"
            ;;
        *)
            printf '%s' "$value"
            ;;
    esac
}

safe_command_name() {
    local value="$1"
    value=$(printf '%s' "$value" | tr -d '\r\n' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')

    if is_bad_response "$value" || ! [[ "$value" =~ ^[A-Za-z0-9_-]{2,32}$ ]]; then
        printf '%s' "license"
        return
    fi

    printf '%s' "$value"
}

license_status_response() {
    local service="$1"
    curl -4 -sSL --connect-timeout 8 --max-time 20 \
        "$API_BASE/lic/status.php?service=${service}&ip=${SERVER_IP}&format=env" 2>/dev/null || true
}

show_result() {
    local logfile="$1"
    local ok_msg="$2"
    local rc="${3:-0}"

    if [ "$rc" -ne 0 ]; then
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        echo -e "${RED} ✖  Lisanslama işlemi tamamlanamadı.${RESET}"
        if [ -s "$logfile" ]; then
            echo -e "${RED}----------------------------------------------------------------------${RESET}"
            tail -n 20 "$logfile"
        fi
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        rm -f "$logfile"
        return 1
    fi

    if [ ! -s "$logfile" ]; then
        rm -f "$logfile"
        echo -e "${GREEN}[TAMAMLANDI] ${ok_msg}${RESET}"
        return
    fi
    local content
    content=$(cat "$logfile")
    rm -f "$logfile"
    if echo "$content" | grep -qi 'suspended'; then
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        echo -e "${RED} ✖  LİSANS ASKIYA ALINDI${RESET}"
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        return 1
    fi

    if echo "$content" | grep -Eqi 'license status[[:space:]]*:[[:space:]]*OK|has been installed|installed\. Enjoy|License has been installed|License Expire'; then
        echo -e "${GREEN}[TAMAMLANDI] ${ok_msg}${RESET}"
        return 0
    fi

    if echo "$content" | grep -Eqi 'NO LICENSE FOUND|License not found|invalid license|LİSANS BULUNAMADI|403 Forbidden|404 Not Found|status:403|status:404|<!doctype|<html|<body|</html>'; then
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        echo -e "${RED} ✖  Lisans doğrulaması başarısız oldu.${RESET}"
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        return 1
    fi
    echo -e "${GREEN}[TAMAMLANDI] ${ok_msg}${RESET}"
}

license_check() {
    local resp="$1"
    local today="$2"
    if is_bad_response "$resp"; then
        echo "Bilinmiyor"
        echo "LİSANSSIZ"
        return
    fi
    if printf '%s\n' "$resp" | grep -q '^WL_'; then
        local WL_STATUS="" WL_EXPIRES_AT="" WL_MESSAGE=""
        local safe_env
        safe_env=$(printf '%s\n' "$resp" | grep -E "^WL_[A-Z0-9_]+='[^']*'$" || true)
        if [ -n "$safe_env" ]; then
            eval "$safe_env"
        fi

        case "$(printf '%s' "$WL_STATUS" | tr '[:upper:]' '[:lower:]')" in
            lifetime)
                echo "Lifetime ∞"
                echo "Ömür Boyu"
                return
                ;;
            active)
                resp="$WL_EXPIRES_AT"
                ;;
            suspended)
                echo "${WL_EXPIRES_AT:-Bilinmiyor}"
                echo "ASKIYA_ALINDI"
                return
                ;;
            expired)
                echo "${WL_EXPIRES_AT:-Bilinmiyor}"
                echo "DOLMUŞ"
                return
                ;;
            maintenance|invalid_service|invalid_ip)
                echo "Bilinmiyor"
                echo "BAKIM"
                return
                ;;
            *)
                echo "Bilinmiyor"
                echo "LİSANSSIZ"
                return
                ;;
        esac
    fi
    if [[ "$resp" == "Lifetime" ]]; then
        echo "Lifetime ∞"
        echo "Ömür Boyu"
        return
    fi
    if [[ "$resp" == "Unknown" ]] || [[ -z "$resp" ]]; then
        echo "Bilinmiyor"
        echo "LİSANSSIZ"
        return
    fi
    local expire=$(echo "$resp" | tr '-' '/')
    local today_e=$(date -d "$today" +%s 2>/dev/null || echo "")
    local exp_e=$(date -d "$expire" +%s 2>/dev/null || echo "")
    if [[ -n "$today_e" && -n "$exp_e" ]]; then
        local diff=$(( (exp_e - today_e) / 86400 ))
        echo "$expire"
        if [[ $diff -lt 0 ]]; then
            echo "DOLMUŞ"
        else
            echo "$diff gün kaldı"
        fi
    else
        echo "$expire"
        echo "Bilinmiyor"
    fi
}

license_exit_check() {
    local remaining="$1"
    local product="$2"
    local today="$3"
    if [[ "$remaining" == "LİSANSSIZ" ]]; then
        echo -e "${PINK}Bugün            :${RESET} $today"
        echo ""
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        echo -e "${RED} ✖  LİSANSSIZ - ${product} lisansı bu IP için bulunamadı.${RESET}"
        echo -e "${RED}    Lütfen satıcınızla iletişime geçiniz.${RESET}"
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        exit 1
    fi
    if [[ "$remaining" == "ASKIYA_ALINDI" ]]; then
        echo -e "${PINK}Bugün            :${RESET} $today"
        echo ""
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        echo -e "${RED} ✖  LİSANS ASKIYA ALINMIŞ - ${product}${RESET}"
        echo -e "${RED}    Lütfen satıcınızla iletişime geçiniz.${RESET}"
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        exit 1
    fi
    if [[ "$remaining" == "BAKIM" ]]; then
        echo -e "${PINK}Bugün            :${RESET} $today"
        echo ""
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        echo -e "${RED} ✖  Lisans durumu şu an doğrulanamıyor.${RESET}"
        echo -e "${RED}    Lütfen kısa süre sonra tekrar deneyiniz.${RESET}"
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        exit 1
    fi
    if [[ "$remaining" == "DOLMUŞ" ]]; then
        echo -e "${PINK}Bugün            :${RESET} $today"
        echo ""
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        echo -e "${RED} ✖  LİSANS SÜRESİ DOLMUŞ - ${product}${RESET}"
        echo -e "${RED}    Yenileme için satıcınızla iletişime geçiniz.${RESET}"
        echo -e "${RED}----------------------------------------------------------------------${RESET}"
        exit 1
    fi
}



CURRENT_YEAR=$(date +%Y)
clear 2>/dev/null || true

API_BASE="https://li.sitesiparis.com"
CURRENT_SERVICE="unknown"
SERVER_IP=$(curl -4 -fsS --connect-timeout 5 --max-time 10 ifconfig.me 2>/dev/null || curl -4 -fsS --connect-timeout 5 --max-time 10 https://api.ipify.org 2>/dev/null || echo 'Bilinmiyor')

BRAND_RAW=$(fetch_text "$API_BASE/lic/brander.php?service=${CURRENT_SERVICE}&ip=$SERVER_IP" "")
SITE_BRAND=$(fetch_text "$API_BASE/lic/site_brand.php" "License Portal")
BRAND=$(normalize_brand "$BRAND_RAW" "$(normalize_brand "$SITE_BRAND" "License Portal")")

BRAND_API_RAW=$(fetch_text "$API_BASE/lic/reseller_url.php?service=${CURRENT_SERVICE}&ip=$SERVER_IP" "")
BRAND_API=$(normalize_brand "$BRAND_API_RAW" "$BRAND")

HOSTNAME_VAL=$(hostname 2>/dev/null || echo 'Bilinmiyor')
HOSTNAME_VAL=$(printf '%s' "$HOSTNAME_VAL" | tr -d '\r\n')

OS_VERSION=$(detect_os 2>/dev/null | xargs 2>/dev/null || echo 'Linux')
OS_VERSION=$(printf '%s' "$OS_VERSION" | tr -d '\r\n')

KERNEL_VERSION=$(uname -r 2>/dev/null || echo 'Bilinmiyor')
KERNEL_VERSION=$(printf '%s' "$KERNEL_VERSION" | tr -d '\r\n')

FIELD_WIDTH=20

print_row() {
    local label="$1"
    local value="$2"

    printf "%b%-${FIELD_WIDTH}s%b : %s\n" "${GREEN}" "$label" "${RESET}" "$value"
}

echo -e "${YELLOW}---------------------- Lisans Sistemi Başlatıldı ----------------------${RESET}"
echo -e "${YELLOW} ${BRAND_API} lisans sistemini kullandığınız için teşekkürler!${RESET}"
echo -e "${YELLOW}----------------------------------------------------------------------${RESET}"
echo ""

print_row "Sağlayıcı" "$BRAND"
print_row "Sunucu IP" "$SERVER_IP"
print_row "Hostname" "$HOSTNAME_VAL"
print_row "İşletim Sistemi" "$OS_VERSION"
print_row "Kernel Versiyonu" "$KERNEL_VERSION"

echo ""
echo -e "${CYAN}Sorularınız için web sitemiz üzerinden destek talebi açabilirsiniz.${RESET}"
echo -e "${YELLOW}----------------------------------------------------------------------${RESET}"
echo -e "${YELLOW} Telif Hakkı 2019-${CURRENT_YEAR} ${BRAND_API} - Tüm hakları saklıdır.${RESET}"
echo -e "${YELLOW}----------------------------------------------------------------------${RESET}"
echo ""
echo -e "${GREEN}${BRAND} lisans servisi hazır.${RESET}"
echo -e "${CYAN}Kullanılabilir servisler: cpanel, litespeed, cloudlinux, imunify360, jetbackup, softaculous, sitepad, plesk, directadmin, whmreseller${RESET}"
echo -e "${CYAN}Örnek: bash <(curl -fsSL ${API_BASE}/?service=cpanel)${RESET}"
exit 0