# =============================================================================
# ZenAI KPC edge counter + dashboard
# Shared config for: counter_live_rknn.py + counter_dashboard.py
#
# On device:
#   cp env.example .env && nano .env
#
# Install path (systemd): /opt/zenai-kpc-python
# Data path:               /opt/zenai-kpc-counter
# See DEPLOY.md for full setup instructions.
# =============================================================================

# --- Core paths ---
# Root output directory (video segments, default snapshot/CSV paths)
OUTPUT_DIR=/opt/zenai-kpc-counter
# SQLite database path for daily counter records
DB_PATH=/opt/zenai-kpc-counter/counter.db
# JSON file for the active counting-day state (counter writes, dashboard reads)
STATE_FILE=/opt/zenai-kpc-counter/current_counter.json

# --- Input source ---
# RTSP / HTTP live stream, or a local video file path
SOURCE=rtsp://user:pass@192.168.0.100:554/stream1
# FFmpeg capture options passed to cv2.VideoCapture (RTSP low-latency flags)
OPENCV_FFMPEG_CAPTURE_OPTIONS=rtsp_transport;tcp|fflags;nobuffer|flags;low_delay

# --- RKNN model ---
# Path to exported .rknn model (YOLO format)
MODEL_PATH=/opt/models/your_model.rknn
# Input image size for the model (square, e.g. 320 → 320×320)
IMGSZ=320
# Use FP16 inference on NPU (true/false); currently unused in ByteTrack variant
HALF=false
# NPU core mask: 1=core0, 2=core1, 3=core0+core1, 7=all three
CORE_MASK=1
# Compute device index (reserved; not used at runtime)
DEVICE=0

# --- YOLO decoder ---
# Number of object classes the model outputs
NUM_CLASSES=4
# Apply sigmoid to raw class scores (true/false); set true if model head uses BCE logits
SCORE_SIGMOID=false

# --- Detection ---
# Confidence threshold – detections below this are discarded before NMS
CONF=0.5

# --- ByteTrack tracking ---
# Detections with score >= this get priority matching in the first association stage
TRACK_HIGH_THRESH=0.5
# Detections with score between this and TRACK_HIGH_THRESH are matched in the second stage
TRACK_LOW_THRESH=0.3
# IoU threshold for the first-stage association (0–1). Higher = stricter overlap required
TRACK_MATCH_THRESH=0.7
# Frames a track survives without a match before being permanently removed
TRACK_BUFFER=60
# Minimum consecutive (or total) hits needed before a track is considered confirmed
TRACK_MIN_HITS=3

# --- ID-switch counting guards ---
# Dedup guard: ignore a second crossing in the same direction within DEDUP_FRAMES
# frames and DEDUP_PX horizontal pixels (set DEDUP_PX=-1 to disable).
DEDUP_FRAMES=15
DEDUP_PX=60
# Inheritance guard: new tracks inherit position from a recently-seen nearby track
# (set INHERIT_PX=-1 to disable).
INHERIT_SEC=1.0
INHERIT_PX=60

# --- Display ---
# Site name shown on the dashboard header
SITE_NAME=ZenAi

# --- Object class names ---
# Camera / location identifier shown in HUD and stored in DB
CAMERA_NAME=ZenAi
# Label used for grouping in the database
OBJECT_LABEL=karung
# Class name for the counted object (must match model class order)
CLASS_OBJECT=karung
# Model class ID for the object being counted (default 0)
OBJECT_CLASS_ID=0

# --- Line crossing ---
# Line 1 (~upper): counts top-to-down (IN). Line 2 (~lower): bottom-to-up (OUT).
# Fixed y-coordinate overrides the fraction if set.
LINE_Y1=
LINE_Y1_FRAC=0.70
LINE_Y2=
LINE_Y2_FRAC=0.30

# --- Counting day management ---
# New counting day starts after this time (HH:MM).
DAILY_CUTOFF_TIME=20:00
CUTOFF_TIME=20:00

# --- CSV export ---
EXPORT_CSV=false
CROSS_CSV=/opt/zenai-kpc-counter/crossings.csv

# --- Crossing snapshots ---
SAVE_CROSS_SNAPSHOT=true
SAVE_DETECT_SNAPSHOT=false
CROSS_SNAPSHOT_DIR=/opt/zenai-kpc-counter/snapshots
CROSS_SNAPSHOT_QUALITY=85
CROSS_SNAPSHOT_MAX_FILES=1000
CROSS_SNAPSHOT_MAX_AGE_DAYS=3
CROSS_SNAPSHOT_CLEANUP_SEC=3600

# --- Rate / performance ---
MOTION_DETECTION_ENABLED=true
MOTION_PIXEL_DELTA=25
MOTION_MIN_AREA_FRAC=0.002
MOTION_HEARTBEAT_FRAMES=15
MOTION_THRESHOLD=5.0
RATE_WINDOW_SEC=60
WARMUP_FRAMES=30
RECONNECT_DELAY_SEC=3
MAX_RECONNECT_ATTEMPTS=0
TRACKED_PRUNE_SEC=300

# --- Video recording ---
RECORD_VIDEO=false
VIDEO_SEGMENT_SEC=3600
OUTPUT_FPS=15

# --- Live stream snapshot ---
LIVE_STREAM_ENABLED=true
LIVE_STREAM_FRAME_PATH=/dev/shm/zenai-kpc-counter/live_frame.jpg
LIVE_STREAM_QUALITY=75
LIVE_STREAM_EVERY_N=2

# --- Dashboard (counter_dashboard.py) ---
SECRET_KEY=change-me-in-production
DASHBOARD_HOST=0.0.0.0
DASHBOARD_PORT=5000
FLASK_DEBUG=false

# Debug: set DEBUG_TRACKING=true to log per-frame tracking details to stdout
# DEBUG_TRACKING=false