package journal_test

import (
	"bytes"
	"context"
	"encoding/base64"
	"net/url"
	"os"
	"path/filepath"
	"strconv"
	"strings"
	"testing"

	"git.golem15.com/golem15/sm-journal-plugin/console"
	"git.golem15.com/golem15/sm-journal-plugin/models"
	"git.golem15.com/golem15/summercms/modules/backpack"
	"git.golem15.com/golem15/summercms/modules/bonfire"
	"git.golem15.com/golem15/summercms/modules/compass"
	"git.golem15.com/golem15/summercms/modules/lagoon/attach"
	"gocloud.dev/blob"
	_ "gocloud.dev/blob/fileblob"
)

// TestImageVariantsCommandCLI pins journal:image-variants in the
// generated CLI, where no database and no bucket are published: the
// command opens database.dsn and storage.uploads.bucket_url itself and
// writes the missing variants; without a DSN it names the setting.
func TestImageVariantsCommandCLI(t *testing.T) {
	if testShort() {
		t.Skip("Postgres")
	}
	env := newPostsEnv(t)
	var name string
	if err := env.gdb.Raw(`SELECT current_database()`).Scan(&name).Error; err != nil {
		t.Fatal(err)
	}
	u, err := url.Parse(adminDSN)
	if err != nil {
		t.Fatal(err)
	}
	u.Path = "/" + name

	post := models.Post{Title: "Cli", Slug: "cli", Content: "<p>x</p>", Published: true}
	if err := env.gdb.Create(&post).Error; err != nil {
		t.Fatal(err)
	}
	dir := t.TempDir()
	disk := "cli123def456ghi789jkl0.jpg"
	key := attach.BlobKey(disk)
	if err := os.MkdirAll(filepath.Join(dir, filepath.Dir(key)), 0o755); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(filepath.Join(dir, key), jpegOf(t, 900, 600), 0o644); err != nil {
		t.Fatal(err)
	}
	file := attach.File{DiskName: disk, FileName: "cli.jpg", ContentType: "image/jpeg", Field: "featured_images", AttachmentType: post.MorphName(), AttachmentID: strconv.FormatUint(uint64(post.ID), 10)}
	if err := env.gdb.Create(&file).Error; err != nil {
		t.Fatal(err)
	}

	run := func(environ ...string) (int, string) {
		t.Helper()
		cfg, err := compass.Open(compass.Options{Dir: t.TempDir(), Environ: append([]string{"SUMMER_ENV=development"}, environ...)})
		if err != nil {
			t.Fatal(err)
		}
		app := backpack.New(cfg)
		var buf strings.Builder
		root, err := bonfire.NewRootIO("summer", []bonfire.Command{console.ImageVariants(app)}, strings.NewReader(""), &buf, &buf)
		if err != nil {
			t.Fatal(err)
		}
		return bonfire.Execute(context.Background(), root, []string{"journal:image-variants"}), buf.String()
	}

	if code, out := run(); code == 0 || !strings.Contains(out, "database is not configured (set SUMMER_DATABASE__DSN)") {
		t.Fatalf("without a DSN: %d\n%s", code, out)
	}
	code, out := run("SUMMER_DATABASE__DSN="+u.String(), "SUMMER_STORAGE__UPLOADS__BUCKET_URL=file://"+dir,
		"SUMMER_APP__KEY="+base64.StdEncoding.EncodeToString(bytes.Repeat([]byte("k"), 32)))
	if code != 0 || !strings.Contains(out, "Checked 1 featured images, wrote 2 variants") {
		t.Fatalf("journal:image-variants from the CLI: %d\n%s", code, out)
	}
	var variants []models.ImageVariant
	if err := env.gdb.Where("file_id = ?", file.ID).Order("width ASC").Find(&variants).Error; err != nil {
		t.Fatal(err)
	}
	if len(variants) != 2 || variants[0].Width != 480 || variants[1].Width != 800 {
		t.Fatalf("variants = %+v, want 480 and 800 (1200 is wider than the original)", variants)
	}
	bucket, err := blob.OpenBucket(t.Context(), "file://"+dir)
	if err != nil {
		t.Fatal(err)
	}
	defer bucket.Close()
	if ok, err := bucket.Exists(t.Context(), variants[1].WebPKey); err != nil || !ok {
		t.Fatalf("the CLI's WebP %s is not in the bucket: %v", variants[1].WebPKey, err)
	}
}

// TestFixHeadingsCommandCLI pins L1 WR-01 (D-50): journal:fix-headings in
// the generated CLI, where no database is published: without a DSN it
// names the setting, with one it opens database.dsn and prints the dry run.
func TestFixHeadingsCommandCLI(t *testing.T) {
	if testShort() {
		t.Skip("Postgres")
	}
	env := newPostsEnv(t)
	var name string
	if err := env.gdb.Raw(`SELECT current_database()`).Scan(&name).Error; err != nil {
		t.Fatal(err)
	}
	u, err := url.Parse(adminDSN)
	if err != nil {
		t.Fatal(err)
	}
	u.Path = "/" + name
	post := models.Post{Title: "Cli heading", Slug: "cli-heading", Content: "<h1>A</h1><p>x</p>", ContentHTML: "<h1>A</h1><p>x</p>"}
	if err := env.gdb.Create(&post).Error; err != nil {
		t.Fatal(err)
	}
	run := func(environ ...string) (int, string) {
		t.Helper()
		cfg, err := compass.Open(compass.Options{Dir: t.TempDir(), Environ: append([]string{"SUMMER_ENV=development"}, environ...)})
		if err != nil {
			t.Fatal(err)
		}
		app := backpack.New(cfg)
		var buf strings.Builder
		root, err := bonfire.NewRootIO("summer", []bonfire.Command{console.FixHeadings(app)}, strings.NewReader(""), &buf, &buf)
		if err != nil {
			t.Fatal(err)
		}
		return bonfire.Execute(context.Background(), root, []string{"journal:fix-headings"}), buf.String()
	}
	if code, out := run(); code == 0 || !strings.Contains(out, "database is not configured (set SUMMER_DATABASE__DSN)") {
		t.Fatalf("without a DSN: %d\n%s", code, out)
	}
	code, out := run("SUMMER_DATABASE__DSN="+u.String(), "SUMMER_APP__KEY="+base64.StdEncoding.EncodeToString(bytes.Repeat([]byte("k"), 32)))
	if code != 0 || !strings.Contains(out, "Would convert 1 H1 headings in 1 posts and 0 categories. Run with --apply to save.") {
		t.Fatalf("journal:fix-headings from the CLI: %d\n%s", code, out)
	}
	if p := storedPost(t, env, post.ID); p.Content != "<h1>A</h1><p>x</p>" {
		t.Fatalf("the dry run wrote %q", p.Content)
	}
}