package workers

import (
	"context"
	"errors"
	"time"

	"tm/pkg/ai_summarizer"
	"tm/pkg/logger"
)

// AIPipelineAutoWorker triggers the Opplens AI pipeline auto run (sync + complete missing work).
type AIPipelineAutoWorker struct {
	Logger   logger.Logger
	AIClient *ai_summarizer.Client
}

// NewAIPipelineAutoWorker creates a worker that calls POST /pipeline/auto on the AI service.
func NewAIPipelineAutoWorker(log logger.Logger, aiClient *ai_summarizer.Client) *AIPipelineAutoWorker {
	return &AIPipelineAutoWorker{
		Logger:   log,
		AIClient: aiClient,
	}
}

// Run starts the pipeline auto job. A 409 response means a run is already in progress and is not an error.
func (w *AIPipelineAutoWorker) Run() error {
	if w.AIClient == nil {
		w.Logger.Warn("AI pipeline auto worker skipped: AI client is not configured", map[string]interface{}{})
		return nil
	}

	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
	defer cancel()

	w.Logger.Info("AI pipeline auto worker started", map[string]interface{}{})

	resp, err := w.AIClient.PipelineAuto(ctx)
	if err != nil {
		if errors.Is(err, ai_summarizer.ErrPipelineJobRunning) {
			w.Logger.Info("AI pipeline auto skipped: job already running", map[string]interface{}{})
			return nil
		}
		w.Logger.Error("AI pipeline auto worker failed", map[string]interface{}{
			"error": err.Error(),
		})
		return err
	}

	w.Logger.Info("AI pipeline auto worker triggered successfully", map[string]interface{}{
		"status": resp.Status,
		"report": resp.Report,
	})

	return nil
}