sync.sh

#!/bin/bash

# MatrixPortal Sync Script
# Backs up TODOs, uploads sketch, restores TODOs

ARDUINO_CLI="./bin/arduino-cli"
BOARD="adafruit:samd:adafruit_matrixportal_m4"
PORT="/dev/ttyACM0"
SKETCH_DIR="."
TODO_BACKUP="data/todos.json"
IP_CACHE=".last_device_ip"

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m'

echo -e "${BLUE}MatrixPortal Sync${NC}"
echo "=================="

# Find device IP
find_device_ip() {
    # Try cached IP first
    if [ -f "$IP_CACHE" ]; then
        IP=$(cat "$IP_CACHE")
        if curl -s --connect-timeout 1 "http://$IP/api/todos" > /dev/null 2>&1; then
            echo "$IP"
            return 0
        fi
    fi
    
    # Get IP from arduino_secrets.h
    if [ -f "src/arduino_secrets.h" ]; then
        IP=$(grep "#define DEVICE_IP" src/arduino_secrets.h | sed 's/.*"\(.*\)".*/\1/')
        if [ ! -z "$IP" ]; then
            if curl -s --connect-timeout 1 "http://$IP/api/todos" > /dev/null 2>&1; then
                echo "$IP" > "$IP_CACHE"
                echo "$IP"
                return 0
            fi
        fi
    fi
    
    return 1
}

# Step 1: Backup TODOs
echo -e "${BLUE}Backing up TODOs...${NC}"
IP=$(find_device_ip)
if [ ! -z "$IP" ]; then
    curl -s "http://$IP/api/todos" > "$TODO_BACKUP"
    COUNT=$(grep -o '"id"' "$TODO_BACKUP" 2>/dev/null | wc -l)
    echo -e "${GREEN}✓ Saved $COUNT TODOs${NC}"
else
    echo -e "${YELLOW}Device not found, skipping backup${NC}"
fi

# Step 2: Compile
echo -e "${BLUE}Compiling...${NC}"
$ARDUINO_CLI compile --fqbn $BOARD $SKETCH_DIR > /dev/null 2>&1
echo -e "${GREEN}✓ Compiled${NC}"

# Step 3: Upload
echo -e "${BLUE}Uploading...${NC}"
if [ ! -e "$PORT" ]; then
    echo -e "${RED}Device not connected to $PORT${NC}"
    exit 1
fi

$ARDUINO_CLI upload -p $PORT --fqbn $BOARD $SKETCH_DIR > /dev/null 2>&1
echo -e "${GREEN}✓ Uploaded${NC}"

# Step 4: Wait for reboot
echo -e "${BLUE}Waiting for device...${NC}"
sleep 10

# Step 5: Restore TODOs
if [ -f "$TODO_BACKUP" ] && [ ! -z "$IP" ]; then
    echo -e "${BLUE}Restoring TODOs...${NC}"
    
    # Wait for device to be ready
    for i in {1..20}; do
        if curl -s --connect-timeout 1 "http://$IP/api/todos" > /dev/null 2>&1; then
            break
        fi
        sleep 1
    done
    
    # Clear existing
    curl -s "http://$IP/api/todos" | grep -o '"id":[0-9]*' | sed 's/"id"://' | while read id; do
        curl -s -X DELETE "http://$IP/api/todos/$id" > /dev/null
    done
    
    # Restore each TODO
    cat "$TODO_BACKUP" | python3 -c "
import json, sys
data = json.load(sys.stdin)
for todo in data.get('todos', []):
    print(json.dumps({'text': todo['text'], 'done': todo['done']}))
" | while read todo; do
        curl -s -X POST "http://$IP/api/todos" \
            -H "Content-Type: application/json" \
            -d "$todo" > /dev/null
        echo -n "."
    done
    
    echo
    echo -e "${GREEN}✓ TODOs restored${NC}"
fi

echo -e "${GREEN}Done!${NC}"
if [ ! -z "$IP" ]; then
    echo -e "Web interface: http://$IP"
fi