Method extractTimeWithWeekdays

pkg/parser/schedule_parser.go:579–613

extractTimeWithWeekdays extracts time specification, handling optional "on weekdays" suffix

(startPos int, hasWeekdaysSuffix bool)

// extractTimeWithWeekdays extracts time specification, handling optional "on weekdays" suffix
func (p *ScheduleParser) extractTimeWithWeekdays(startPos int, hasWeekdaysSuffix bool) (string, error) {
	if startPos >= len(p.tokens) {
		return "", errors.New("expected time specification")
	}

	// Check for "at" keyword
	if p.tokens[startPos] == "at" {
		startPos++
		if startPos >= len(p.tokens) {
			return "", errors.New("expected time after 'at'")
		}
	}

	endPos := len(p.tokens)
	if hasWeekdaysSuffix {
		endPos -= 2
	}

	timeTokens := []string{p.tokens[startPos]}
	nextIndex := startPos + 1
	if nextIndex < endPos && isAMPMToken(p.tokens[nextIndex]) {
		timeTokens = append(timeTokens, p.tokens[nextIndex])
		nextIndex++
	}
	if nextIndex < endPos {
		timezoneToken := strings.ToLower(p.tokens[nextIndex])
		if strings.HasPrefix(timezoneToken, "utc") {
			timeTokens = append(timeTokens, timezoneToken)
		} else if normalized, ok := normalizeTimezoneAbbreviation(timezoneToken); ok {
			timeTokens = append(timeTokens, normalized)
		}
	}

	return normalizeTimeTokens(timeTokens), nil
}