package plugins

import (
	"log/slog"

	"git.maximhutz.com/max/lambda/internal/engine"
	"git.maximhutz.com/max/lambda/pkg/lambda"
)

type Logs struct {
	logger  *slog.Logger
	process *engine.Engine
}

func NewLogs(logger *slog.Logger, process *engine.Engine) *Logs {
	plugin := &Logs{logger, process}
	process.On(engine.StopEvent, plugin.Step)

	return plugin
}

func (t *Logs) Step() {
	stringified := lambda.Stringify(*t.process.Expression)
	t.logger.Info("reduction", "tree", stringified)
}