add working signup + login

internal/database/sql/database.go

@@ -5,6 +5,7 @@ import (
 	"context"
 
 	"emperror.dev/errors"
+	"git.sleepycat.moe/sam/mercury/internal/database"
 	"github.com/jackc/pgx/v5/pgxpool"
 	"github.com/oklog/ulid/v2"
 )
@@ -24,9 +25,55 @@ func NewBase(ctx context.Context, connString string) (*Base, error) {
 	base := &Base{
 		pool: pool,
 	}
+
+	// create configuration
+	if err := base.initSingletons(ctx); err != nil {
+		return nil, errors.Wrap(err, "initializing configuration")
+	}
+
 	return base, nil
 }
 
+func (base *Base) initSingletons(ctx context.Context) error {
+	err := NewConfigStore(base.pool).initConfig(ctx)
+	if err != nil {
+		return errors.Wrap(err, "initializing configuration")
+	}
+
+	cfg, err := NewConfigStore(base.pool).Get(ctx)
+	if err != nil {
+		return errors.Wrap(err, "getting configuration")
+	}
+
+	if cfg.InternalApplication == nil {
+		tx, err := base.BeginTx(ctx)
+		if err != nil {
+			return errors.Wrap(err, "creating transaction")
+		}
+		defer tx.Rollback(ctx)
+
+		app, err := NewTokenStore(tx).CreateApplication(ctx, database.InternalApplicationName)
+		if err != nil {
+			return errors.Wrap(err, "creating internal application")
+		}
+
+		newCfg := cfg
+		newCfg.InternalApplication = &app.ID
+
+		cfg, err = NewConfigStore(tx).Set(ctx, cfg, newCfg)
+		if err != nil {
+			return errors.Wrap(err, "updating configuration")
+		}
+
+		err = tx.Commit(ctx)
+		if err != nil {
+			return errors.Wrap(err, "committing transaction")
+		}
+	}
+
+	return nil
+}
+
 // Acquire acquires a connection from the database pool.
 // It is the caller's responsibility to call the Release method.
 func (base *Base) Acquire(ctx context.Context) (ReleaseableQuerier, error) {