1// SPDX-FileCopyrightText: Amolith <amolith@secluded.site>
 2//
 3// SPDX-License-Identifier: AGPL-3.0-or-later
 4
 5// Package dateutil provides natural language date parsing for lune commands.
 6package dateutil
 7
 8import (
 9	"fmt"
10
11	"git.secluded.site/go-lunatask"
12	dps "github.com/markusmobius/go-dateparser"
13)
14
15// Parse parses a natural language date string into a lunatask.Date.
16// Supports formats like "yesterday", "2 days ago", "March 5", "2024-01-15", etc.
17// Returns today's date if the input is empty.
18func Parse(input string) (lunatask.Date, error) {
19	if input == "" {
20		return lunatask.Today(), nil
21	}
22
23	parsed, err := dps.Parse(nil, input)
24	if err != nil {
25		return lunatask.Date{}, fmt.Errorf("parsing date %q: %w", input, err)
26	}
27
28	return lunatask.NewDate(parsed.Time), nil
29}