package beachcomber

import (
	"testing"

	"git.golem15.com/golem15/summercms/modules/backpack"
	"git.golem15.com/golem15/summercms/modules/compass"
	"git.golem15.com/golem15/summercms/modules/lagoon"
	"gorm.io/gorm"
)

// DocsApp returns an app with the given config settings on a fresh migrated
// database of this package's Postgres harness, with the database published,
// for the database-backed docs examples in example_test.go. It skips under
// -short and fails when the harness has no database, like the package's
// other database tests.
func DocsApp(t *testing.T, settings map[string]any) (*backpack.App, *gorm.DB) {
	t.Helper()
	db, dsn := migratedDB(t)
	cfg, err := compass.Open(compass.Options{Dir: t.TempDir(), Env: "testing", Environ: []string{}})
	if err != nil {
		t.Fatal(err)
	}
	if err := cfg.Set("database.dsn", dsn); err != nil {
		t.Fatal(err)
	}
	for k, v := range settings {
		if err := cfg.Set(k, v); err != nil {
			t.Fatal(err)
		}
	}
	app := backpack.New(cfg)
	gdb, err := lagoon.Use(t.Context(), db)
	if err != nil {
		t.Fatal(err)
	}
	if err := lagoon.Publish(app, db, gdb); err != nil {
		t.Fatal(err)
	}
	return app, gdb
}

// DocsUseEngine replaces the engine of svc, for docs examples whose toy
// engine must not join the global engine registry.
func DocsUseEngine(svc *Service, e Engine) {
	svc.engine = e
}