#!/bin/bash
set -euo pipefail

SOURCE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="/home/nvme/epub-gec-experiment"
INSTALL_DIR="$PROJECT_DIR/epub-corrector-ui-app"
VENV="$PROJECT_DIR/.venv-rknn"
SERVICE_NAME="epub-corrector-ui"

echo "Directory sorgente: $SOURCE_DIR"
echo "Directory installazione: $INSTALL_DIR"

test -f "$SOURCE_DIR/app.py" || {
    echo "ERRORE: app.py non trovato in $SOURCE_DIR"
    exit 1
}

test -f "$SOURCE_DIR/static/index.html" || {
    echo "ERRORE: static/index.html non trovato"
    exit 1
}

test -x "$VENV/bin/python" || {
    echo "ERRORE: ambiente Python non trovato: $VENV"
    exit 1
}

mkdir -p "$INSTALL_DIR/static"

cp -v \
    "$SOURCE_DIR/app.py" \
    "$INSTALL_DIR/app.py"

cp -v \
    "$SOURCE_DIR/static/index.html" \
    "$INSTALL_DIR/static/index.html"

"$VENV/bin/python" -m pip install \
    flask \
    requests \
    lxml \
    tokenizers

cat > /tmp/epub-corrector-ui.service <<EOF
[Unit]
Description=EPUB Corrector Web UI
After=network.target docker.service
Wants=docker.service

[Service]
Type=simple
User=orangepi
WorkingDirectory=$INSTALL_DIR
ExecStart=$VENV/bin/python $INSTALL_DIR/app.py
Restart=on-failure
RestartSec=5
Environment=PYTHONUNBUFFERED=1

[Install]
WantedBy=multi-user.target
EOF

sudo cp -v \
    /tmp/epub-corrector-ui.service \
    /etc/systemd/system/$SERVICE_NAME.service

sudo systemctl daemon-reload
sudo systemctl enable "$SERVICE_NAME"
sudo systemctl restart "$SERVICE_NAME"

echo
echo "=== STATO SERVIZIO ==="

sudo systemctl status \
    "$SERVICE_NAME" \
    --no-pager