#!/bin/bash
#
# Command: wget -q --no-check-certificate -O - https://raw.githubusercontent.com/islam-2412/FuryBiss/main/fury/installer.sh | /bin/sh
#
echo "------------------------------------------------------------------------"
echo "                     Installing FuryBiss                           "
echo "------------------------------------------------------------------------"

REPO_BASE_URL="https://raw.githubusercontent.com/islam-2412/FuryBiss/main/fury"
REMOTE_VERSION_URL="${REPO_BASE_URL}/version.txt"
LOCAL_VERSION_FILE="/usr/lib/enigma2/python/Plugins/Extensions/FuryBiss/version.txt"
PLUGIN_DIR="/usr/lib/enigma2/python/Plugins/Extensions/FuryBiss"

# 1. Detect Architecture
echo "Checking system architecture..."
SYS_ARCH=$(uname -m)
case $SYS_ARCH in
    armv*|aarch32)
        ARCH="arm"
        ;;
    aarch64)
        ARCH="aarch64"
        ;;
    mips*)
        ARCH="mipsel"
        ;;
    *)
        echo "Error: Unsupported architecture ($SYS_ARCH) for this plugin."
        exit 1
        ;;
esac
echo "Detected Architecture: $ARCH"
echo ""

# 2. Detect Image Type (DreamOS vs Open Source)
IS_DREAMOS=false
if grep -qi "opendreambox" /etc/issue /etc/os-release /etc/image-version 2>/dev/null; then
    IS_DREAMOS=true
    echo "Detected Image Type: DreamOS (opendreambox)"
else
    echo "Detected Image Type: Open Source / Others"
fi
echo ""

# 3. Detect Python version on the receiver
echo "Checking Python version..."
PY_BIN=""
PY_VER=$(python -c 'import sys; print(str(sys.version_info[0])+"."+str(sys.version_info[1]))' 2>/dev/null)
if [ -n "$PY_VER" ]; then
    PY_BIN="python"
else
    PY_VER=$(python3 -c 'import sys; print(str(sys.version_info[0])+"."+str(sys.version_info[1]))' 2>/dev/null)
    if [ -n "$PY_VER" ]; then
        PY_BIN="python3"
    fi
fi

if [ -z "$PY_VER" ] || [ -z "$PY_BIN" ]; then
    echo "Error: Python is not installed or detected on this device!"
    exit 1
fi

echo "Detected Python Version: $PY_VER"

case $PY_VER in
   2.7|3.9|3.10|3.11|3.12|3.13|3.14|3.15)
        echo "Python $PY_VER is supported. Proceeding..."
        ;;
    *)
        echo "Error: Python $PY_VER is not supported by this plugin version."
        exit 1
        ;;
esac
echo ""

# 4. Ensure curl exists
echo "Checking if curl is installed..."
if ! command -v curl >/dev/null 2>&1; then
    if [ "$IS_DREAMOS" = true ]; then
        apt-get update > /dev/null 2>&1
        apt-get install -y curl
    else
        opkg install curl
    fi
fi
sleep 1

read_url_text() {
    curl -fsSLk "$1" 2>/dev/null || wget -q --no-check-certificate -O - "$1" 2>/dev/null
}

normalize_version() {
    echo "$1" | tr -cd '0-9.\n' | head -n 1 | sed 's/^\.*//; s/\.*$//'
}

version_newer_than() {
    "$PY_BIN" - "$1" "$2" <<'PY'
import sys, re

def parse(value):
    parts = re.findall(r'\d+', value or '')
    return tuple(int(p) for p in parts) if parts else (0,)

left = parse(sys.argv[1])
right = parse(sys.argv[2])
sys.exit(0 if left > right else 1)
PY
}

# 5. Compare local version.txt with the remote version.txt before deleting anything
LOCAL_VERSION=""
if [ -f "$LOCAL_VERSION_FILE" ]; then
    LOCAL_VERSION=$(normalize_version "$(cat "$LOCAL_VERSION_FILE" 2>/dev/null)")
fi
REMOTE_VERSION=$(normalize_version "$(read_url_text "$REMOTE_VERSION_URL")")

if [ -n "$REMOTE_VERSION" ] && [ -n "$LOCAL_VERSION" ]; then
    echo "Installed version: $LOCAL_VERSION"
    echo "Server version   : $REMOTE_VERSION"
    if ! version_newer_than "$REMOTE_VERSION" "$LOCAL_VERSION"; then
        echo "FuryBiss is the same or newer version, forcing reinstallation anyway..."
    else
        echo "New version detected. Updating now..."
    fi
else
    echo "Version check info is incomplete. Continuing with installation..."
fi
echo ""

# 6. Remove the old version completely
echo "Removing old versions of FuryBiss completely..."
sleep 1

rm -f /tmp/furybiss_*

if [ "$IS_DREAMOS" = true ]; then
    apt-get remove -y enigma2-plugin-extensions-furybiss > /dev/null 2>&1
    apt-get remove -y enigma2-plugin-extensions-furybis > /dev/null 2>&1
else
    opkg remove enigma2-plugin-extensions-furybiss --force-depends > /dev/null 2>&1
    opkg remove enigma2-plugin-extensions-furybis --force-depends > /dev/null 2>&1
fi

if [ -d "$PLUGIN_DIR" ] ; then
    rm -rf "$PLUGIN_DIR"
    echo "- Old folder /FuryBiss deleted permanently."
else
    echo "- No old folder found. System is clean."
fi
echo ""

# 7. Download the package
cd /tmp || exit 1

# تحديد اسم الملف بناءً على نوع الصورة
if [ "$IS_DREAMOS" = true ]; then
    FILE_NAME="furybiss_${PY_VER}_${ARCH}_dreamos.deb"
else
    FILE_NAME="furybiss_${PY_VER}_${ARCH}.ipk"
fi

DOWNLOAD_URL="${REPO_BASE_URL}/${FILE_NAME}"

echo "Downloading FuryBiss package: ${FILE_NAME} ..."

if command -v curl >/dev/null 2>&1; then
    curl -fSLk "${DOWNLOAD_URL}" -o "/tmp/${FILE_NAME}"
else
    wget -q --no-check-certificate "${DOWNLOAD_URL}" -O "/tmp/${FILE_NAME}"
fi

if [ ! -s "/tmp/${FILE_NAME}" ] || [ $(stat -c%s "/tmp/${FILE_NAME}") -lt 1000 ]; then
    echo "Error: Failed to download ${FILE_NAME} or file is corrupted."
    echo "Please check if the file exists on the GitHub repository."
    rm -f "/tmp/${FILE_NAME}"
    exit 1
fi
sleep 1

# 8. Install the update
echo ""
echo "Installing new version...."

if [ "$IS_DREAMOS" = true ]; then
    dpkg -i "/tmp/${FILE_NAME}"
    apt-get install -f -y
    INSTALL_RESULT=$?
else
    opkg install --force-reinstall --force-overwrite "/tmp/${FILE_NAME}"
    INSTALL_RESULT=$?
fi

if [ $INSTALL_RESULT -ne 0 ]; then
    echo "Error: Installation of FuryBiss failed."
    rm -f "/tmp/${FILE_NAME}"
    exit 1
fi

echo ""
sleep 1

echo "Cleaning up temporary files..."
rm -f "/tmp/${FILE_NAME}"

echo "Done"
echo "------------------------------------------------------------------------"
echo "        This work is exclusive to Islam Salama (( Skin Fury-FHD ))      "
echo "------------------------------------------------------------------------"
echo "                              Abou Yassin                               "
echo "                   FuryBiss Installed Successfully                      "
echo "------------------------------------------------------------------------"
echo ""

# 9. Restart Enigma2 GUI
echo "Please wait..."
echo "Restarting Enigma2 GUI in 3 seconds to apply changes..."
sleep 3
if command -v systemctl >/dev/null 2>&1; then
    systemctl restart enigma2
else
    killall -9 enigma2
fi

exit 0