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
60. 60
61. 61
62. 62
63. 63
64. 64
65. 65
66. 66
67. 67

// SPDX-FileCopyrightText: 2025 Shota FUJI <pockawoooh@gmail.com>
// SPDX-License-Identifier: AGPL-3.0-only

package tofu

import (
	"encoding/json"
	"fmt"
	"log"
	"os/exec"
)

var tofuBin = "tofu"

type stringOutput struct {
	Value string
}

type rawOutput struct {
	CloudfrontDistributionID stringOutput `json:"cloudfront_distribution_id"`
	S3BucketName             stringOutput `json:"s3_bucket_name"`
}

type Output struct {
	CloudfrontDistributionID string
	S3BucketName             string
}

func NewOutput(tfDir string) (*Output, error) {
	cmd := exec.Command(tofuBin, fmt.Sprintf("-chdir=%s", tfDir), "output", "-json")

	stdout, err := cmd.StdoutPipe()
	if err != nil {
		return nil, err
	}

	if err := cmd.Start(); err != nil {
		return nil, err
	}

	var raw rawOutput
	if err := json.NewDecoder(stdout).Decode(&raw); err != nil {
		return nil, fmt.Errorf("Tofu の出力を読み込めませんでした: %s", err)
	}

	if err := cmd.Wait(); err != nil {
		return nil, err
	}

	output := Output{
		CloudfrontDistributionID: raw.CloudfrontDistributionID.Value,
		S3BucketName:             raw.S3BucketName.Value,
	}

	if output.CloudfrontDistributionID == "" {
		return nil, fmt.Errorf("cloudfront_distribution_id が取得できませんでした")
	}

	if output.S3BucketName == "" {
		return nil, fmt.Errorf("s3_bucket_name が取得できませんでした")
	}

	log.Printf("cloudfront_distribution_id: %s\n", output.CloudfrontDistributionID)
	log.Printf("s3_bucket_name: %s\n", output.S3BucketName)

	return &output, nil
}