1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
7. 7
8. 8
9. 9
10. 10
11. 11
12. 12
13. 13
14. 14
15. 15
16. 16
17. 17
18. 18
19. 19
20. 20
21. 21
22. 22
23. 23
24. 24
25. 25
26. 26
27. 27
28. 28
29. 29
30. 30
31. 31
32. 32
33. 33
34. 34
35. 35
36. 36
37. 37
38. 38
39. 39
40. 40
41. 41
42. 42
43. 43
44. 44
45. 45
46. 46
47. 47
48. 48
49. 49
50. 50
51. 51
52. 52
53. 53
54. 54
55. 55
56. 56
57. 57
58. 58
59. 59

// SPDX-FileCopyrightText: 2024 Shota FUJI <pockawoooh@gmail.com>
//
// SPDX-License-Identifier: Apache-2.0

import type {
	DirectoryReader,
	FileReader,
	FileSystemReader,
} from "../filesystem_reader/interface.ts";
import type {
	DocumentMetadata,
	MetadataParser,
} from "../metadata_parser/interface.ts";
import type {
	ContentParser,
	DocumentContent,
} from "../content_parser/interface.ts";

export interface Document {
	readonly type: "document";
	readonly metadata: DocumentMetadata;
	readonly file: FileReader;

	readonly content: DocumentContent;

	/**
	 * Document path: list of names, not file paths.
	 */
	readonly path: readonly string[];
}

export interface DocumentDirectory {
	readonly type: "directory";
	readonly metadata: DocumentMetadata;
	readonly directory: DirectoryReader;
	readonly entries: ReadonlyArray<Document | DocumentDirectory>;

	/**
	 * Document path: list of names, not file paths.
	 */
	readonly path: readonly string[];
}

export interface DocumentTree {
	readonly type: "tree";
	readonly nodes: ReadonlyArray<Document | DocumentDirectory>;

	readonly defaultLanguage: string;
}

export interface BuildParameters {
	readonly fileSystemReader: FileSystemReader;
	readonly metadataParser: MetadataParser;
	readonly contentParser: ContentParser;
}

export interface TreeBuilder {
	build(opts: BuildParameters): Promise<DocumentTree>;
}