From 36174303a34f8a827f546397a96f3257efec6aee Mon Sep 17 00:00:00 2001
From: sirmrak <sirmrak@gmail.com>
Date: Mon, 12 Oct 2026 11:47:51 +0300
Subject: [PATCH] Add files/mqtt_ha_discovery.sh

---
 files/mqtt_ha_discovery.sh | 109 +++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 files/mqtt_ha_discovery.sh

diff --git a/files/mqtt_ha_discovery.sh b/files/mqtt_ha_discovery.sh
new file mode 100644
index 0000000..a98ee4e
--- /dev/null
+++ b/files/mqtt_ha_discovery.sh
@@ -0,0 +1,109 @@
+#!/bin/sh
+# Sends MQTT Discovery configs, publishes temperature,
+# and initializes device states ONLY on the first run after reboot.
+
+MQTT_HOST=$(uci get openwrt_ha.main.host)
+MQTT_PORT=$(uci get openwrt_ha.main.port)
+MQTT_USER=$(uci get openwrt_ha.main.user)
+MQTT_PASS=$(uci get openwrt_ha.main.pass)
+BASE_TOPIC=$(uci get openwrt_ha.main.base_topic 2>/dev/null || echo "openwrt")
+
+PUB="mosquitto_pub -h $MQTT_HOST -p $MQTT_PORT -u $MQTT_USER -P $MQTT_PASS -r"
+STATES_DIR="/tmp/mqtt_ha_states"
+mkdir -p "$STATES_DIR"
+
+is_mac_connected() {
+    local mac="$1"
+    for iface in phy0-ap0 phy1-ap0; do
+        if iw dev "$iface" station dump 2>/dev/null | grep -qi "$mac"; then
+            return 0
+        fi
+    done
+    return 1
+}
+
+convert_state() {
+    local state="$1"
+    local type="$2"
+    if [ "$type" = "alarm" ]; then
+        [ "$state" = "home" ] && echo "online" || echo "offline"
+    else
+        echo "$state"
+    fi
+}
+
+INIT_DONE_FILE="${STATES_DIR}/.initialized"
+
+if [ ! -f "$INIT_DONE_FILE" ]; then
+    logger -t "wifi_tracker" "First run after reboot. Initializing states..."
+    i=1
+    while true; do
+        device_name="device${i}"
+        if ! uci -q get openwrt_ha.${device_name}.name >/dev/null 2>&1; then
+            break
+        fi
+
+        DEVICE_NAME_TEXT=$(uci get openwrt_ha.${device_name}.name)
+        DEVICE_MACS=$(uci get openwrt_ha.${device_name}.macs)
+        DEVICE_TYPE=$(uci -q get openwrt_ha.${device_name}.type)
+        [ -z "$DEVICE_TYPE" ] && DEVICE_TYPE="tracker"
+
+        AGGREGATED_STATE="not_home"
+        for mac in $DEVICE_MACS; do
+            mac_lower=$(echo "$mac" | tr 'A-Z' 'a-z')
+            if is_mac_connected "$mac"; then
+                echo "home" > "${STATES_DIR}/${mac_lower}"
+                AGGREGATED_STATE="home"
+            else
+                echo "not_home" > "${STATES_DIR}/${mac_lower}"
+            fi
+        done
+
+        if [ "$DEVICE_TYPE" = "alarm" ]; then
+            TOPIC="${BASE_TOPIC}/alarm/device_${i}/state"
+            MQTT_PAYLOAD=$(convert_state "$AGGREGATED_STATE" "$DEVICE_TYPE")
+        else
+            TOPIC="${BASE_TOPIC}/device_tracker/device_${i}/state"
+            MQTT_PAYLOAD="$AGGREGATED_STATE"
+        fi
+
+        $PUB -t "$TOPIC" -m "$MQTT_PAYLOAD"
+        logger -t "wifi_tracker" "${DEVICE_NAME_TEXT} -> HA: ${MQTT_PAYLOAD} (init)"
+        i=$((i + 1))
+    done
+    touch "$INIT_DONE_FILE"
+    logger -t "wifi_tracker" "Initialization complete."
+fi
+
+TEMP_RAW=$(cat /sys/class/thermal/thermal_zone0/temp 2>/dev/null)
+if [ -n "$TEMP_RAW" ]; then
+    TEMP_C=$(echo "$TEMP_RAW" | awk '{ printf "%.1f", $1 / 1000 }')
+    $PUB -t "${BASE_TOPIC}/sensor/temperature/state" -m "$TEMP_C"
+fi
+
+DISCOVERY_TEMP="{\"name\":\"OpenWrt Temperature\",\"stat_t\":\"${BASE_TOPIC}/sensor/temperature/state\",\"dev_cla\":\"temperature\",\"unit_of_meas\":\"°C\",\"uniq_id\":\"openwrt_temp\",\"dev\":{\"ids\":\"openwrt_router\",\"name\":\"OpenWrt Router\",\"mf\":\"OpenWrt\",\"mdl\":\"Router\"}}"
+$PUB -t "homeassistant/sensor/openwrt_router/temp/config" -m "$DISCOVERY_TEMP"
+
+i=1
+while true; do
+    device_name="device${i}"
+    if ! uci -q get openwrt_ha.${device_name}.name >/dev/null 2>&1; then
+        break
+    fi
+
+    DEVICE_NAME_TEXT=$(uci get openwrt_ha.${device_name}.name)
+    DEVICE_TYPE=$(uci -q get openwrt_ha.${device_name}.type)
+    [ -z "$DEVICE_TYPE" ] && DEVICE_TYPE="tracker"
+    DEVICE_ID="device_${i}"
+
+    if [ "$DEVICE_TYPE" = "alarm" ]; then
+        STATE_TOPIC="${BASE_TOPIC}/alarm/device_${i}/state"
+        DISCOVERY="{\"name\":\"${DEVICE_NAME_TEXT}\",\"stat_t\":\"${STATE_TOPIC}\",\"pl_on\":\"online\",\"pl_off\":\"offline\",\"dev_cla\":\"connectivity\",\"uniq_id\":\"openwrt_alarm_${DEVICE_ID}\",\"dev\":{\"ids\":\"openwrt_router\",\"name\":\"OpenWrt Router\",\"mf\":\"OpenWrt\",\"mdl\":\"Router\"}}"
+        $PUB -t "homeassistant/binary_sensor/openwrt_router/${DEVICE_ID}/config" -m "$DISCOVERY"
+    else
+        STATE_TOPIC="${BASE_TOPIC}/device_tracker/device_${i}/state"
+        DISCOVERY="{\"name\":\"${DEVICE_NAME_TEXT}\",\"stat_t\":\"${STATE_TOPIC}\",\"pl_home\":\"home\",\"pl_not_home\":\"not_home\",\"src_type\":\"router\",\"uniq_id\":\"openwrt_tracker_${DEVICE_ID}\",\"dev\":{\"ids\":\"openwrt_router\",\"name\":\"OpenWrt Router\",\"mf\":\"OpenWrt\",\"mdl\":\"Router\"}}"
+        $PUB -t "homeassistant/device_tracker/openwrt_router/${DEVICE_ID}/config" -m "$DISCOVERY"
+    fi
+    i=$((i + 1))
+done
\ No newline at end of file