package main

import (
	"context"
	"log"

	"github.com/kami/maven/internal/phraser"
	"github.com/kami/maven/internal/router"
)

// actionReminder handles router.IntentReminder: parse the time when stage-0
// skipped the extractor, then create the reminder.
func (h *reactiveHandler) actionReminder(ctx context.Context, dec router.Decision) string {
	if !dec.Slots.HasTime {
		// Stage-0 (reminder-wakeword grammar) skips the extractor, so the
		// time wasn't parsed. Run the parser as a fallback.
		if dec.Stage == 0 && h.timeParser != nil {
			t, ok, err := h.timeParser.Parse(ctx, dec.Utterance, h.now())
			if err == nil && ok {
				dec.Slots.Time = t
				dec.Slots.HasTime = true
			}
		}
		if !dec.Slots.HasTime {
			return phraser.Ack(phraser.FailReminderTime, nil)
		}
	}
	// The body is what she says at the hour, so the marker and the time come
	// out of it: the fire time is already a column, and "напомни" is an
	// instruction that has been carried out (Vikunja #469).
	payload := `{"text":` + jsonString(reminderBody(dec.Utterance, dec.Slots.Text)) + `}`
	if _, err := h.api.CreateReminder(ctx, dec.Slots.Time, payload, ""); err != nil {
		log.Printf("voice: create reminder: %v", err)
		return phraser.Ack(phraser.FailReminder, nil)
	}
	return ""
}