package tasks

import (
	"context"
	"encoding/json"
	"fmt"
	"log/slog"

	"github.com/hibiken/asynq"
)

const TypeDummy = "proxui.dummy"

type DummyPayload struct {
	Message string `json:"message"`
}

func NewDummyTask(message string) (*asynq.Task, error) {
	payload, err := json.Marshal(DummyPayload{Message: message})
	if err != nil {
		return nil, err
	}

	return asynq.NewTask(TypeDummy, payload), nil
}

type DummyHandler struct {
	logger *slog.Logger
}

func NewDummyHandler(logger *slog.Logger) DummyHandler {
	return DummyHandler{logger: logger}
}

func (h DummyHandler) ProcessTask(_ context.Context, task *asynq.Task) error {
	var payload DummyPayload
	if err := json.Unmarshal(task.Payload(), &payload); err != nil {
		return fmt.Errorf("decode dummy payload: %w", err)
	}
	if payload.Message == "" {
		return fmt.Errorf("dummy message is required")
	}

	h.logger.Info("processed dummy job", "message", payload.Message)
	return nil
}