# .env.example - Template for environment variables
# Copy to .env and customize

# ============================================================================
# General
# ============================================================================
# SECRET_KEY        - Secret key for web application session signing and
#                     security features. Use a long random string in production.
SECRET_KEY=dev-secret-key-change-in-production

# ============================================================================
# GPON Device
# ============================================================================
# GPON_HOST         - IP address or hostname of the GPON ONU/ONT device
# GPON_PORT         - Management port (Telnet/SSH) for device connection
# GPON_USERNAME     - Username for GPON device authentication
# GPON_PASSWORD     - Password for GPON device authentication
GPON_HOST=192.168.100.1
GPON_PORT=23
GPON_USERNAME=leox
GPON_PASSWORD=leolabs_7

# ============================================================================
# Web Server
# ============================================================================
# LISTEN_HOST       - IP address the web server binds to (0.0.0.0 = all interfaces)
#                     !! DO NOT CHANGE IN DOCKER - must be 0.0.0.0 for container networking
# LISTEN_PORT       - Internal port used by the web application (default: 8080)
#                     !! If changed, also update 'expose' section in docker-compose.yml
# EXTERNAL_PORT     - Port exposed externally via Caddy reverse proxy (default: 7878)
#                     Change this to expose the app on different host port
LISTEN_HOST=0.0.0.0
LISTEN_PORT=8080
EXTERNAL_PORT=7878

# ============================================================================
# Data & Polling
# ============================================================================
# RRD_DIR           - Filesystem path where RRD databases are stored
#                     !! DO NOT CHANGE IN DOCKER - must be /data/rrd (mapped to ./data/rrd volume)
# POLL_INTERVAL     - Data collection interval in seconds (how often device is polled)
RRD_DIR=/data/rrd
POLL_INTERVAL=60

# ============================================================================
# Optical & Temperature Thresholds
# ============================================================================
# RX_POWER_MIN      - Minimum acceptable RX optical power in dBm (warning below)
# RX_POWER_MAX      - Maximum acceptable RX optical power in dBm (warning above)
# TX_POWER_MIN      - Minimum acceptable TX optical power in dBm
# TX_POWER_MAX      - Maximum acceptable TX optical power in dBm
# TEMPERATURE_MAX   - Maximum module temperature in °C before alert
RX_POWER_MIN=-28.0
RX_POWER_MAX=-8.0
TX_POWER_MIN=0.5
TX_POWER_MAX=4.0
TEMPERATURE_MAX=85.0

# ============================================================================
# Laser Bias Current Thresholds (TX Bias)
# ============================================================================
# TX_BIAS_MIN       - Minimum TX bias current in mA (below = weak/failing laser)
# TX_BIAS_MAX       - Maximum TX bias current in mA (above = laser aging/overheating)
TX_BIAS_MIN=5.0
TX_BIAS_MAX=90.0

# ============================================================================
# Supply Voltage Thresholds
# ============================================================================
# VOLTAGE_MIN       - Minimum supply voltage in volts (below = unstable power)
# VOLTAGE_MAX       - Maximum supply voltage in volts (above = risk of damage)
VOLTAGE_MIN=3.0
VOLTAGE_MAX=3.6