#!/bin/bash

# Test script per verificare auto-discovery in locale
# Simula il comportamento del container

echo "=== Test Auto-Discovery Locale ==="
echo ""

# Configura le variabili come farebbe il container
export INVERTER_DEVICE="${INVERTER_DEVICE:-/dev/ttyUSB1}"
export FORCE_DISCOVERY="${FORCE_DISCOVERY:-false}"
export SKIP_DISCOVERY="${SKIP_DISCOVERY:-false}"

CONF_FILE="/etc/inverter/inverter.conf"
DISCOVERY_FLAG="/etc/inverter/.discovery_done"
INVERTER_BIN="./sources/inverter-cli/bin/inverter_poller"

echo "Configurazione:"
echo "  Device: $INVERTER_DEVICE"
echo "  Binary: $INVERTER_BIN"
echo "  Force Discovery: $FORCE_DISCOVERY"
echo "  Skip Discovery: $SKIP_DISCOVERY"
echo ""

# Verifica che il binario esista
if [ ! -f "$INVERTER_BIN" ]; then
    echo "✗ Errore: $INVERTER_BIN non trovato!"
    echo "  Compila prima con: cd sources/inverter-cli && make"
    exit 1
fi

# Verifica che il device esista
if [ ! -e "$INVERTER_DEVICE" ]; then
    echo "✗ Errore: Device $INVERTER_DEVICE non trovato!"
    echo "  Devices disponibili:"
    ls -la /dev/tty* 2>/dev/null | grep -E "USB|ttyS"
    exit 1
fi

# Crea directory temporanea per il test
TEST_DIR="/tmp/inverter-test-$$"
mkdir -p "$TEST_DIR"
echo "Directory test: $TEST_DIR"

# Copia config originale
if [ -f "./config/inverter.conf" ]; then
    cp ./config/inverter.conf "$TEST_DIR/inverter.conf"
    CONF_FILE="$TEST_DIR/inverter.conf"
    DISCOVERY_FLAG="$TEST_DIR/.discovery_done"
    echo "✓ Config copiata in $CONF_FILE"
else
    echo "✗ Errore: config/inverter.conf non trovato!"
    exit 1
fi

# Aggiorna device nella config temporanea
sed -i "s|^device=.*|device=$INVERTER_DEVICE|g" "$CONF_FILE"

echo ""
echo "=== Esecuzione Auto-Discovery ===" 
echo "Questo prenderà circa 10-15 secondi..."
echo ""

# Esegui discovery
DISCOVERY_OUTPUT=$("$INVERTER_BIN" -d -a 2>&1)

echo "$DISCOVERY_OUTPUT"
echo ""

# Parse output
QMOD=$(echo "$DISCOVERY_OUTPUT" | grep "DISCOVERY_QMOD=" | cut -d= -f2)
QPIGS=$(echo "$DISCOVERY_OUTPUT" | grep "DISCOVERY_QPIGS=" | cut -d= -f2)
QPIRI=$(echo "$DISCOVERY_OUTPUT" | grep "DISCOVERY_QPIRI=" | cut -d= -f2)
QPIWS=$(echo "$DISCOVERY_OUTPUT" | grep "DISCOVERY_QPIWS=" | cut -d= -f2)
SUCCESS=$(echo "$DISCOVERY_OUTPUT" | grep "DISCOVERY_SUCCESS=" | cut -d= -f2)

echo "=== Risultati Discovery ==="
if [ "$SUCCESS" = "true" ]; then
    echo "✓ SUCCESS!"
    echo ""
    echo "Valori scoperti:"
    echo "  QMOD  = $QMOD"
    echo "  QPIGS = $QPIGS"
    echo "  QPIRI = $QPIRI"
    echo "  QPIWS = $QPIWS"
    echo ""
    
    # Salva risultati
    echo "device=$INVERTER_DEVICE" > "$DISCOVERY_FLAG"
    echo "qmod=$QMOD" >> "$DISCOVERY_FLAG"
    echo "qpigs=$QPIGS" >> "$DISCOVERY_FLAG"
    echo "qpiri=$QPIRI" >> "$DISCOVERY_FLAG"
    echo "qpiws=$QPIWS" >> "$DISCOVERY_FLAG"
    echo "timestamp=$(date -Iseconds)" >> "$DISCOVERY_FLAG"
    
    echo "Salvati in: $DISCOVERY_FLAG"
    echo ""
    cat "$DISCOVERY_FLAG"
    
    # Aggiorna config
    sed -i "s/^qmod=.*/qmod=$QMOD/g" "$CONF_FILE"
    sed -i "s/^qpigs=.*/qpigs=$QPIGS/g" "$CONF_FILE"
    sed -i "s/^qpiri=.*/qpiri=$QPIRI/g" "$CONF_FILE"
    sed -i "s/^qpiws=.*/qpiws=$QPIWS/g" "$CONF_FILE"
    
    echo ""
    echo "Config aggiornata:"
    grep -E "^(device|qmod|qpigs|qpiri|qpiws)=" "$CONF_FILE"
    
    echo ""
    echo "✓ Test completato con successo!"
    echo ""
    echo "Per applicare questi valori al tuo config/inverter.conf:"
    echo "  cp $CONF_FILE ./config/inverter.conf"
    
else
    echo "✗ FAILED!"
    echo ""
    echo "Controlla:"
    echo "  1. Inverter acceso"
    echo "  2. Cavo collegato correttamente"
    echo "  3. Device corretto: $INVERTER_DEVICE"
    echo "  4. Permessi device: ls -la $INVERTER_DEVICE"
    exit 1
fi

echo ""
echo "=== Test Lettura Dati ==="
echo "Testo la lettura con i nuovi parametri..."
echo ""

# Test con -1 (run-once)
TEST_OUTPUT=$("$INVERTER_BIN" -1 2>&1)
echo "$TEST_OUTPUT"

if echo "$TEST_OUTPUT" | grep -q '"mode":'; then
    echo ""
    echo "✓ Lettura dati OK! Output JSON valido."
else
    echo ""
    echo "⚠ Attenzione: Output non sembra JSON valido"
fi

echo ""
echo "=== Cleanup ==="
echo "Directory test: $TEST_DIR"
echo "Per rimuoverla: rm -rf $TEST_DIR"