#!/bin/bash

echo "Running minimal libssh test to diagnose linking issues"
echo "===================================================="

# Create test directory
TESTDIR="ssh_test_tmp"
mkdir -p $TESTDIR
cd $TESTDIR

# Create minimal C program that uses libssh
cat > test.c << 'EOF'
#include <stdio.h>
#include <stdlib.h>
#include <libssh/libssh.h>

int main() {
    ssh_session session = ssh_new();
    if (session == NULL) {
        fprintf(stderr, "Failed to create SSH session\n");
        return 1;
    }
    
    printf("Successfully created SSH session\n");
    
    ssh_free(session);
    return 0;
}
EOF

echo "Created minimal test program. Attempting to compile..."

# Check pkg-config first
if command -v pkg-config &> /dev/null && pkg-config --exists libssh; then
    CFLAGS=$(pkg-config --cflags libssh)
    LIBS=$(pkg-config --libs libssh)
    
    echo "Found libssh with pkg-config:"
    echo "  CFLAGS: $CFLAGS"
    echo "  LIBS: $LIBS"
    echo
    
    echo "Compiling with pkg-config flags..."
    gcc -o test_pkg test.c $CFLAGS $LIBS
    
    if [ $? -eq 0 ]; then
        echo "Compilation successful!"
        echo "Running the test program:"
        ./test_pkg
    else
        echo "Compilation failed with pkg-config flags."
    fi
    echo
fi

# Try with simple -lssh flag
echo "Compiling with simple -lssh flag..."
gcc -o test_simple test.c -lssh

if [ $? -eq 0 ]; then
    echo "Compilation successful with -lssh!"
    echo "Running the test program:"
    ./test_simple
else
    echo "Compilation failed with simple -lssh flag."
    echo "This indicates your libssh installation might not be in the standard location."
fi
echo

# Try to find libssh manually
echo "Searching for libssh.so in common locations..."
LIBSSH_PATHS=$(find /usr/lib /usr/local/lib /usr/lib/x86_64-linux-gnu -name "libssh.so*" 2>/dev/null)

if [ -n "$LIBSSH_PATHS" ]; then
    echo "Found libssh in the following locations:"
    echo "$LIBSSH_PATHS" | sed 's/^/  - /'
    
    # Extract directory of first result
    LIBSSH_DIR=$(dirname $(echo "$LIBSSH_PATHS" | head -1))
    echo
    echo "For CMake, you can try:"
    echo "  cmake -DLIBSSH_LIBRARY=$LIBSSH_DIR/libssh.so -DLIBSSH_INCLUDE_DIR=/usr/include .."
else
    echo "Could not find libssh.so."
    echo "Consider installing libssh-dev package:"
    echo "  sudo apt install libssh-dev"
fi

# Clean up
cd ..
echo
echo "Cleaning up..."
rm -rf $TESTDIR

echo
echo "Test completed. Use this information to troubleshoot your libssh configuration."