package mill

import (
	"fmt"
	lucifer3 "git.aiterp.net/lucifer3/server"
	"git.aiterp.net/lucifer3/server/device"
	"git.aiterp.net/lucifer3/server/events"
	"strings"
)

type Bridge interface {
	// SetBus to apply a bus that changes will be sent to
	SetBus(bus *lucifer3.EventBus)

	// SetState updates device state
	SetState(id string, state device.State) bool

	// Start triggers the event emitting part, including device discovery
	Start()

	// IsStarted returns true when it's running
	IsStarted() bool
}

func MakeBridge(id, apiKey string) (Bridge, bool) {
	parts := strings.Split(id, ":")
	if len(parts) < 3 {
		return nil, false
	}

	driver := parts[0]
	version := parts[1]
	target := parts[2]

	if driver != "mill" {
		return nil, false
	}

	id = fmt.Sprintf("%s:%s:%s", driver, version, target)
	switch version {
	case "2":
		return &OnlineBridge{
			ID:       id,
			Email:    target,
			Password: apiKey,
			Gen2:     true,
			Gen3:     false,
		}, true
	case "23":
		return &OnlineBridge{
			ID:       id,
			Email:    target,
			Password: apiKey,
			Gen2:     true,
			Gen3:     true,
		}, true
	case "3":
		if strings.Contains(target, "@") {
			return &OnlineBridge{
				ID:       id,
				Email:    target,
				Password: apiKey,
				Gen2:     false,
				Gen3:     true,
			}, true
		} else {
			return &WifiBridge{
				ID: id,
				IP: target,
			}, true
		}
	}

	return nil, false
}

func deviceFailed(id string, err any) events.DeviceFailed {
	msg := "(no message)"
	switch typed := err.(type) {
	case string:
		msg = typed
	case error:
		msg = typed.Error()
	}

	return events.DeviceFailed{
		ID:    id,
		Error: msg,
	}
}