package bridge

import (
	"log/slog"
	"strings"

	mqtt "github.com/eclipse/paho.mqtt.golang"
)

func (b *Bridge) onConnect(c mqtt.Client) {
	c.Publish(b.availTopic(), 1, true, b.availPayload())

	c.Subscribe(b.cfg.DiscoveryPrefix+"/status", 1, func(_ mqtt.Client, msg mqtt.Message) {
		if string(msg.Payload()) == "online" {
			b.publishDiscovery()
			b.OnState(b.dev.GetStatus())
		}
	})

	for out := 1; out <= numOutputs; out++ {
		out := out
		c.Subscribe(b.cmdTopic(out), 1, func(_ mqtt.Client, msg mqtt.Message) {
			payload := strings.TrimSpace(string(msg.Payload()))
			in := inputNumberFromLabel(payload)
			if in == 0 {
				slog.Warn("unknown input label", "payload", payload)
				return
			}
			b.dev.SetOutput(out, in)
			c.Publish(b.stateTopic(out), 1, true, inputLabel(in))
		})
	}

	b.publishDiscovery()
}