// Copyright (c) 2026 Storm Dragon
// Authors: Storm Dragon, Angus Kola
// SPDX-License-Identifier: GPL-3.0-or-later

package input

import "time"

// The router owns this sequence across fully released chords and browse grab
// updates. Another key/chord, timeout, or the final press retires it. Held-key
// repeats never reach this helper. Reset only clears held keys, as for time/date.
func (router *CommandRouter) review_press(command Command, chord CommandChord) Command {
	if command != ReviewCurrentCharacter && command != ReviewCurrentWord {
		router.lastReviewPress = time.Time{}
		return command
	}
	now := router.now()
	if chord == router.lastReviewChord && !router.lastReviewPress.IsZero() &&
		now.Sub(router.lastReviewPress) >= 0 && now.Sub(router.lastReviewPress) <= 500*time.Millisecond {
		router.reviewPresses++
	} else {
		router.reviewPresses = 1
	}
	router.lastReviewChord, router.lastReviewPress = chord, now
	if command == ReviewCurrentCharacter && router.reviewPresses == 2 {
		router.lastReviewPress = time.Time{}
		return ReviewPhoneticCharacter
	}
	if command == ReviewCurrentWord {
		switch router.reviewPresses {
		case 2:
			return ReviewSpellWord
		case 3:
			router.lastReviewPress = time.Time{}
			return ReviewPhoneticWord
		}
	}
	return command
}