package main

import (
	"context"
	"encoding/xml"
	"fmt"
	"os"
	"path"
	"time"

	"dagger.io/dagger"
)

type info struct {
	Version string `xml:"version"`
}

func main() {
	ctx := context.Background()

	// initialize Dagger client
	client, err := dagger.Connect(ctx, dagger.WithLogOutput(os.Stderr))
	if err != nil {
		panic(err)
	}
	defer client.Close()

	keySecret := loadSecret(client, "scimserviceprovider.key")
	certSecret := loadSecret(client, "scimserviceprovider.crt")
	s3Secret := client.SetSecret("s3", fmt.Sprintf("https://%s:%s@hot-objects.liiib.re", os.Getenv("S3_ACCESSKEY"), os.Getenv("S3_SECRETKEY")))
	ncSecret := client.SetSecret("nc", os.Getenv("NC_STORE_TOKEN"))

	i := loadInfo()

	archiveName := fmt.Sprintf("scimserviceprovider-v%s.tar.gz", i.Version)

	fmt.Println("cc", i.Version)

	// execute
	vendor := client.Container().From("docker.io/composer:2.6").
		WithFile("composer.json", client.Host().File("composer.json")).
		WithFile("composer.lock", client.Host().File("composer.lock")).
		WithExec([]string{"composer", "i", "--no-dev", "--ignore-platform-reqs"}).
		WithExec([]string{"rm", "-rf", "vendor/audriga/scim-server-php/.git"}).
		Directory("vendor")

	output := client.Container().From("docker.io/nextcloud:27").
		WithWorkdir("/scimserviceprovider").
		WithDirectory("vendor", vendor).
		WithDirectory(".", client.Host().Directory(".", dagger.HostDirectoryOpts{
			Include: []string{"appinfo", "lib", "LICENSE"},
		})).
		WithMountedSecret("/scimserviceprovider.crt", certSecret).
		WithMountedSecret("/scimserviceprovider.key", keySecret).
		WithExec([]string{"php", "/usr/src/nextcloud/occ", "integrity:sign-app", "--path=/scimserviceprovider", "--privateKey=/scimserviceprovider.key", "--certificate=/scimserviceprovider.crt"}).
		WithExec([]string{"mkdir", "/output"}).
		WithExec([]string{"tar", "czf", path.Join("/output", archiveName), "/scimserviceprovider"}).
		WithExec([]string{"bash", "-c", "openssl dgst -sha512 -sign /scimserviceprovider.key " + path.Join("/output", archiveName) + " | openssl base64 > " + path.Join("/output", archiveName+".sign")}).
		Directory("/output")

	_, err = client.Container().From("docker.io/minio/mc").
		WithSecretVariable("MC_HOST_repo", s3Secret).
		WithDirectory("/output", output).
		WithExec([]string{"mc", "cp", "-r", "/output/", "repo/artifacts/"}).
		Sync(ctx)
	if err != nil {
		panic(err)
	}

	_, err = client.Container().From("docker.io/alpine").
		WithExec([]string{"apk", "add", "--no-cache", "curl"}).
		WithWorkdir("/output").
		WithDirectory("/output", output).
		WithEnvVariable("ARCHIVE_NAME", archiveName).
		WithSecretVariable("TOKEN", ncSecret).
		WithEnvVariable("CACHEBUSTER", time.Now().String()).
		WithExec([]string{"sh", "-c",
			`printf '{"download":"https://hot-objects.liiib.re/artifacts/%s", "signature": "%s"}' "$ARCHIVE_NAME" "$(cat ${ARCHIVE_NAME}.sign)" | curl --fail-with-body -s -X POST https://apps.nextcloud.com/api/v1/apps/releases -H "Authorization: Token ${TOKEN}" -H "Content-Type: application/json" -d @-`}).
		Sync(ctx)
	if err != nil {
		panic(err)
	}
}

func loadSecret(client *dagger.Client, name string) *dagger.Secret {
	home, err := os.UserHomeDir()
	if err != nil {
		panic(err)
	}
	data, err := os.ReadFile(path.Join(home, ".nextcloud/certificates/", name))
	if err != nil {
		panic(err)
	}
	return client.SetSecret(name, string(data))
}

func loadInfo() info {
	data, err := os.ReadFile("appinfo/info.xml")
	if err != nil {
		panic(err)
	}
	i := info{}
	err = xml.Unmarshal(data, &i)
	if err != nil {
		panic(err)
	}
	return i
}