#!/bin/bash
# File: /var/www/nebuleair_pro_4g/services/setup_services.sh
# Purpose: Set up all systemd services for NebuleAir data collection
# to install: 
#   sudo chmod +x /var/www/nebuleair_pro_4g/services/setup_services.sh
#   sudo /var/www/nebuleair_pro_4g/services/setup_services.sh

echo "Setting up NebuleAir systemd services and timers..."

# Create directory for logs if it doesn't exist
mkdir -p /var/www/nebuleair_pro_4g/logs

# Create service and timer files for NPM Data
cat > /etc/systemd/system/nebuleair-npm-data.service << 'EOL'
[Unit]
Description=NebuleAir NPM Data Collection Service
After=network.target

[Service]
Type=oneshot
ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/NPM/get_data_modbus_v3.py
User=root
WorkingDirectory=/var/www/nebuleair_pro_4g
StandardOutput=append:/var/www/nebuleair_pro_4g/logs/npm_service.log
StandardError=append:/var/www/nebuleair_pro_4g/logs/npm_service_errors.log

[Install]
WantedBy=multi-user.target
EOL

cat > /etc/systemd/system/nebuleair-npm-data.timer << 'EOL'
[Unit]
Description=Run NebuleAir NPM Data Collection every 10 seconds
Requires=nebuleair-npm-data.service

[Timer]
OnBootSec=10s
OnUnitActiveSec=10s
AccuracySec=1s

[Install]
WantedBy=timers.target
EOL

# Create service and timer files for Envea Data
cat > /etc/systemd/system/nebuleair-envea-data.service << 'EOL'
[Unit]
Description=NebuleAir Envea Data Collection Service
After=network.target

[Service]
Type=oneshot
ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/envea/read_value_v2.py
User=root
WorkingDirectory=/var/www/nebuleair_pro_4g
StandardOutput=append:/var/www/nebuleair_pro_4g/logs/envea_service.log
StandardError=append:/var/www/nebuleair_pro_4g/logs/envea_service_errors.log

[Install]
WantedBy=multi-user.target
EOL

cat > /etc/systemd/system/nebuleair-envea-data.timer << 'EOL'
[Unit]
Description=Run NebuleAir Envea Data Collection every 10 seconds
Requires=nebuleair-envea-data.service

[Timer]
OnBootSec=10s
OnUnitActiveSec=10s
AccuracySec=1s

[Install]
WantedBy=timers.target
EOL

# Create service and timer files for SARA Data (No Lock File Needed)
cat > /etc/systemd/system/nebuleair-sara-data.service << 'EOL'
[Unit]
Description=NebuleAir SARA Data Transmission Service
After=network.target

[Service]
Type=oneshot
ExecStart=/usr/bin/python3 -u /var/www/nebuleair_pro_4g/loop/SARA_send_data_v2.py
User=root
WorkingDirectory=/var/www/nebuleair_pro_4g
StandardOutput=append:/var/www/nebuleair_pro_4g/logs/sara_service.log
StandardError=append:/var/www/nebuleair_pro_4g/logs/sara_service_errors.log
RuntimeMaxSec=200s

[Install]
WantedBy=multi-user.target
EOL

cat > /etc/systemd/system/nebuleair-sara-data.timer << 'EOL'
[Unit]
Description=Run NebuleAir SARA Data Transmission every 60 seconds
Requires=nebuleair-sara-data.service

[Timer]
OnBootSec=60s
OnUnitActiveSec=60s
AccuracySec=1s
# This is the key setting that prevents overlap
Persistent=true

[Install]
WantedBy=timers.target
EOL

# Create service and timer files for BME280 Data
cat > /etc/systemd/system/nebuleair-bme280-data.service << 'EOL'
[Unit]
Description=NebuleAir BME280 Data Collection Service
After=network.target

[Service]
Type=oneshot
ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/BME280/get_data_v2.py
User=root
WorkingDirectory=/var/www/nebuleair_pro_4g
StandardOutput=append:/var/www/nebuleair_pro_4g/logs/bme280_service.log
StandardError=append:/var/www/nebuleair_pro_4g/logs/bme280_service_errors.log

[Install]
WantedBy=multi-user.target
EOL

cat > /etc/systemd/system/nebuleair-bme280-data.timer << 'EOL'
[Unit]
Description=Run NebuleAir BME280 Data Collection every 120 seconds
Requires=nebuleair-bme280-data.service

[Timer]
OnBootSec=120s
OnUnitActiveSec=120s
AccuracySec=1s

[Install]
WantedBy=timers.target
EOL

# Create service and timer files for MPPT Data
cat > /etc/systemd/system/nebuleair-mppt-data.service << 'EOL'
[Unit]
Description=NebuleAir MPPT Data Collection Service
After=network.target

[Service]
Type=oneshot
ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/MPPT/read.py
User=root
WorkingDirectory=/var/www/nebuleair_pro_4g
StandardOutput=append:/var/www/nebuleair_pro_4g/logs/mppt_service.log
StandardError=append:/var/www/nebuleair_pro_4g/logs/mppt_service_errors.log

[Install]
WantedBy=multi-user.target
EOL

cat > /etc/systemd/system/nebuleair-mppt-data.timer << 'EOL'
[Unit]
Description=Run NebuleAir MPPT Data Collection every 120 seconds
Requires=nebuleair-mppt-data.service

[Timer]
OnBootSec=120s
OnUnitActiveSec=120s
AccuracySec=1s

[Install]
WantedBy=timers.target
EOL

# Create service and timer files for noise Data (every minutes)
cat > /etc/systemd/system/nebuleair-noise-data.service << 'EOL'
[Unit]
Description=NebuleAir noise Data Collection Service
After=network.target

[Service]
Type=oneshot
ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/sound_meter/NSRT_mk4_get_data.py
User=root
WorkingDirectory=/var/www/nebuleair_pro_4g
StandardOutput=append:/var/www/nebuleair_pro_4g/logs/noise_service.log
StandardError=append:/var/www/nebuleair_pro_4g/logs/noise_service_errors.log

[Install]
WantedBy=multi-user.target
EOL

cat > /etc/systemd/system/nebuleair-noise-data.timer << 'EOL'
[Unit]
Description=Run NebuleAir MPPT Data Collection every 120 seconds
Requires=nebuleair-noise-data.service

[Timer]
OnBootSec=60s
OnUnitActiveSec=60s
AccuracySec=1s

[Install]
WantedBy=timers.target
EOL

# Create service and timer files for MH-Z19 CO2 Data
cat > /etc/systemd/system/nebuleair-mhz19-data.service << 'EOL'
[Unit]
Description=NebuleAir MH-Z19 CO2 Data Collection Service
After=network.target

[Service]
Type=oneshot
ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/MH-Z19/write_data.py
User=root
WorkingDirectory=/var/www/nebuleair_pro_4g
StandardOutput=append:/var/www/nebuleair_pro_4g/logs/mhz19_service.log
StandardError=append:/var/www/nebuleair_pro_4g/logs/mhz19_service_errors.log

[Install]
WantedBy=multi-user.target
EOL

cat > /etc/systemd/system/nebuleair-mhz19-data.timer << 'EOL'
[Unit]
Description=Run NebuleAir MH-Z19 CO2 Data Collection every 120 seconds
Requires=nebuleair-mhz19-data.service

[Timer]
OnBootSec=120s
OnUnitActiveSec=120s
AccuracySec=1s

[Install]
WantedBy=timers.target
EOL

# Create service and timer files for Database Cleanup
cat > /etc/systemd/system/nebuleair-db-cleanup-data.service << 'EOL'
[Unit]
Description=NebuleAir Database Cleanup Service
After=network.target

[Service]
Type=oneshot
ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/sqlite/flush_old_data.py
User=root
WorkingDirectory=/var/www/nebuleair_pro_4g
StandardOutput=append:/var/www/nebuleair_pro_4g/logs/db_cleanup_service.log
StandardError=append:/var/www/nebuleair_pro_4g/logs/db_cleanup_service_errors.log

[Install]
WantedBy=multi-user.target
EOL

cat > /etc/systemd/system/nebuleair-db-cleanup-data.timer << 'EOL'
[Unit]
Description=Run NebuleAir Database Cleanup daily
Requires=nebuleair-db-cleanup-data.service

[Timer]
OnBootSec=1h
OnUnitActiveSec=24h
AccuracySec=1h

[Install]
WantedBy=timers.target
EOL

# Create service and timer files for WiFi Power Save
cat > /etc/systemd/system/nebuleair-wifi-powersave.service << 'EOL'
[Unit]
Description=NebuleAir WiFi Power Save Service
After=network-online.target
Wants=network-online.target

[Service]
Type=oneshot
ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/wifi/power_save.py
User=root
StandardOutput=journal
StandardError=journal

[Install]
WantedBy=multi-user.target
EOL

cat > /etc/systemd/system/nebuleair-wifi-powersave.timer << 'EOL'
[Unit]
Description=NebuleAir WiFi Power Save Timer (10 minutes after boot)
After=network-online.target

[Timer]
# Run 10 minutes after system boot
OnBootSec=10min
# Don't persist timer across reboots
Persistent=false

[Install]
WantedBy=timers.target
EOL

# Create service file for CPU Power Mode (runs once at boot)
cat > /etc/systemd/system/nebuleair-cpu-power.service << 'EOL'
[Unit]
Description=NebuleAir CPU Power Mode Service
After=multi-user.target
Wants=multi-user.target

[Service]
Type=oneshot
ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/power/apply_cpu_mode_from_db.py
User=root
StandardOutput=journal
StandardError=journal
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target
EOL

# Create service file for RTC Save to DB (long-running service, no timer)
# Unmask first in case it was previously masked (symlink to /dev/null)
# so the cat below writes a real file, not into /dev/null.
systemctl unmask rtc_save_to_db.service 2>/dev/null || true
cat > /etc/systemd/system/rtc_save_to_db.service << 'EOL'
[Unit]
Description=RTC Save to DB Script
After=network.target

[Service]
ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/RTC/save_to_db.py
Restart=always
RestartSec=1
User=root
WorkingDirectory=/var/www/nebuleair_pro_4g
StandardOutput=append:/var/www/nebuleair_pro_4g/logs/rtc_save_to_db.log
StandardError=append:/var/www/nebuleair_pro_4g/logs/rtc_save_to_db_errors.log

[Install]
WantedBy=multi-user.target
EOL

# Reload systemd to recognize new services
systemctl daemon-reload

# Enable and start all timers
echo "Enabling and starting all services..."
for service in npm envea sara bme280 mppt mhz19 db-cleanup noise; do
    systemctl enable nebuleair-$service-data.timer
    systemctl start nebuleair-$service-data.timer
    echo "Started nebuleair-$service-data timer"
done

# Enable and start WiFi power save timer (separate naming convention)
systemctl enable nebuleair-wifi-powersave.timer
systemctl start nebuleair-wifi-powersave.timer
echo "Started nebuleair-wifi-powersave timer"

# Enable and start CPU power mode service (runs once at boot)
systemctl enable nebuleair-cpu-power.service
systemctl start nebuleair-cpu-power.service
echo "Started nebuleair-cpu-power service"

# Enable and start RTC Save to DB service (long-running, no timer)
# Use restart instead of start to pick up new content if the service was
# already running with an older version of the file.
systemctl enable rtc_save_to_db.service
systemctl restart rtc_save_to_db.service
echo "Started rtc_save_to_db service"

echo "Checking status of all timers..."
systemctl list-timers | grep nebuleair

echo "Setup complete. All NebuleAir services are now running."
echo "To check the status of a specific service:"
echo "  sudo systemctl status nebuleair-npm-data.service"
echo "To view logs for a specific service:"
echo "  sudo journalctl -u nebuleair-npm-data.service"
echo "To restart a specific timer:"
echo "  sudo systemctl restart nebuleair-npm-data.timer"