#!/bin/bash
set -e

echo "Updating system packages..."
sudo apt update && sudo apt upgrade -y

echo "Installing prerequisites..."
sudo apt install -y apt-transport-https ca-certificates gnupg wget

echo "Adding Microsoft package repository for .NET 8..."
wget https://packages.microsoft.com/config/debian/12/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
sudo dpkg -i packages-microsoft-prod.deb
sudo apt update

echo "Installing .NET 8 SDK and runtime..."
sudo apt install -y dotnet-sdk-8.0 aspnetcore-runtime-8.0

APP_DIR=/opt/api
echo "Creating application directory $APP_DIR..."
sudo mkdir -p $APP_DIR
sudo chown $(whoami):$(whoami) $APP_DIR

echo "Please copy your published .NET API files (DLL, appsettings.json) into $APP_DIR before continuing."
read -p "Press Enter to continue after copying files..."

echo "Creating systemd service file..."
sudo tee /etc/systemd/system/mydotnetapi.service > /dev/null <<EOF
[Unit]
Description=My .NET Web API
After=network.target

[Service]
WorkingDirectory=$APP_DIR
ExecStart=/usr/bin/dotnet $APP_DIR/Taekwondo.WebApi.dll
Restart=always
RestartSec=10
SyslogIdentifier=dotnet-api
User=$(whoami)
Environment=ASPNETCORE_ENVIRONMENT=Production

[Install]
WantedBy=multi-user.target
EOF

echo "Reloading systemd daemon and starting mydotnetapi service..."
sudo systemctl daemon-reload
sudo systemctl enable mydotnetapi
sudo systemctl start mydotnetapi

echo "Setup complete."
echo "Verify the service status with 'sudo systemctl status mydotnetapi'"
echo "Test your API endpoints with curl or Postman."