#!/bin/bash
# ------------------------------------------------------------------------------------------------
# Script to download, extract, and install the Dell PERCCLI utility on a Linux system.
# Note: This script requires 'wget' and 'tar'. It assumes execution as 'root' (no 'sudo' needed).
# ------------------------------------------------------------------------------------------------

# --- Configuration ---
PERCCLI_URL="https://dl.dell.com/FOLDER13074167M/1/PERCCLI_7.3208.0_Linux_A01.tar.gz"
ARCHIVE_NAME="PERCCLI_7.3208.0_Linux_A01.tar.gz"
TEMP_DIR="perccli_install_temp"

echo "Starting PERCCLI installation script..."
echo "Target URL: $PERCCLI_URL"

# 1. Download the archive
echo "1. Downloading $ARCHIVE_NAME..."
# Using wget to download the file, adding a User-Agent to prevent 403 errors on some servers
wget --no-check-certificate --user-agent="Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1)" "$PERCCLI_URL" -O "$ARCHIVE_NAME"
if [ $? -ne 0 ]; then
    echo "ERROR: Failed to download the file. Check your network connection and ensure 'wget' is installed, or try a different User-Agent."
    exit 1
fi
echo "Download complete."

# 2. Extract the archive
echo "2. Extracting the archive..."
mkdir -p "$TEMP_DIR"
# Extracting the tar.gz file into the temporary directory
tar -xzf "$ARCHIVE_NAME" -C "$TEMP_DIR"
if [ $? -ne 0 ]; then
    echo "ERROR: Failed to extract the archive. The file may be incomplete or corrupted."
    rm -rf "$TEMP_DIR"
    exit 1
fi
echo "Extraction complete to $TEMP_DIR."

# 3. Locate the installation package
# Prioritizing .deb files, but since the previous run found an .rpm, the script is prepared to convert it.
PACKAGE_FILE=$(find "$TEMP_DIR" -type f \( -name "*.deb" -o -name "*.rpm" \) | head -n 1)

if [ -z "$PACKAGE_FILE" ]; then
    echo "ERROR: Could not find any .deb or .rpm installation package within the archive."
    echo "Please navigate to '$TEMP_DIR' and install the appropriate package manually."
    exit 1
fi

echo "3. Found package file: $PACKAGE_FILE"

# 4. Install the package using the appropriate command (no 'sudo' needed as running as root)
echo "4. Attempting to install the package."

INSTALL_SUCCESS=0

if [[ "$PACKAGE_FILE" == *.deb ]]; then
    echo "Detected native DEB package. Trying to install with 'dpkg -i'..."
    if command -v dpkg >/dev/null 2>&1; then
        dpkg -i "$PACKAGE_FILE"
        INSTALL_SUCCESS=$?
    else
        echo "ERROR: 'dpkg' command not found. Please ensure the Debian package manager is available."
        INSTALL_SUCCESS=1
    fi
elif [[ "$PACKAGE_FILE" == *.rpm ]]; then
    echo "Detected RPM package. This system appears to be Debian-based (Proxmox), so we will attempt to use 'alien' to convert it to a DEB package for installation."

    if command -v dpkg >/dev/null 2>&1; then
        if command -v alien >/dev/null 2>&1; then
            echo "Attempting to convert $PACKAGE_FILE to .deb using 'alien'..."
            # Convert the RPM to DEB. The resulting .deb file will be created in the current directory.
            alien -d "$PACKAGE_FILE"
            if [ $? -eq 0 ]; then
                # Find the name of the newly created .deb file (e.g., from perccli-007.3208.0000.0000-1.noarch.rpm to perccli_0.7.3208.0000.0000-2_all.deb)
                # Alien renames packages, so we search for a .deb file with the original name prefix.
                DEB_NAME_PREFIX=$(basename "$PACKAGE_FILE" .rpm)
                NEW_DEB_FILE=$(find . -maxdepth 1 -name "${DEB_NAME_PREFIX}*.deb" | head -n 1)

                if [ -f "$NEW_DEB_FILE" ]; then
                    echo "Conversion successful. Installing $NEW_DEB_FILE..."
                    dpkg -i "$NEW_DEB_FILE"
                    INSTALL_SUCCESS=$?
                    # Clean up the converted .deb file regardless of final install success
                    rm -f "$NEW_DEB_FILE"
                else
                    echo "ERROR: Conversion succeeded, but could not locate the newly created .deb file for installation."
                    INSTALL_SUCCESS=1
                fi
            else
                echo "ERROR: 'alien' conversion failed."
                INSTALL_SUCCESS=1
            fi
        else
            echo "ERROR: 'alien' command not found. This tool is required to convert the RPM package for your system."
            echo "Please run: apt update && apt install alien -y"
            INSTALL_SUCCESS=1
        fi
    else
        echo "FATAL ERROR: 'dpkg' (Debian Package Manager) is not found. Cannot proceed with installation."
        INSTALL_SUCCESS=1
    fi
else
    echo "ERROR: Found file $PACKAGE_FILE is neither .deb nor .rpm. Manual installation is required."
    INSTALL_SUCCESS=1
fi

# 5. Cleanup and Verification
# The cleanup step now correctly checks the INSTALL_SUCCESS status.
if [ $INSTALL_SUCCESS -eq 0 ]; then
    echo ""
    echo "5. Installation successful. Cleaning up temporary files."
    rm -f "$ARCHIVE_NAME"
    rm -rf "$TEMP_DIR"
    echo "PERCCLI tool should now be available."
    echo "Verify installation by running: perccli /c0 show"
else
    echo ""
    echo "5. Installation failed. The archive '$ARCHIVE_NAME' and temporary directory '$TEMP_DIR' are retained for manual debugging."
    echo "The package file is located at: $PACKAGE_FILE"
fi

# ------------------------------------------------------------------------------------------------