package store_test

import (
	"context"
	"errors"
	"testing"
	"time"

	"github.com/netcell-it/deklarix/internal/store"
)

func TestAccountCRUD(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()

	acc, err := s.CreateAccount(ctx, "Beispiel Agentur GmbH")
	if err != nil {
		t.Fatalf("CreateAccount: %v", err)
	}

	got, err := s.GetAccount(ctx, acc.ID)
	if err != nil {
		t.Fatalf("GetAccount: %v", err)
	}
	if got.Name != "Beispiel Agentur GmbH" {
		t.Fatalf("Name = %q, want Beispiel Agentur GmbH", got.Name)
	}
}

func TestUserCRUD(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	accID := testAccountID(t, s)

	user, err := s.CreateUser(ctx, accID, "team@example.com", "bcrypt-hash", "mitarbeiter")
	if err != nil {
		t.Fatalf("CreateUser: %v", err)
	}

	byEmail, err := s.GetUserByEmail(ctx, "team@example.com")
	if err != nil {
		t.Fatalf("GetUserByEmail: %v", err)
	}
	if byEmail.ID != user.ID {
		t.Fatalf("GetUserByEmail returned a different user than CreateUser")
	}

	byID, err := s.GetUser(ctx, user.ID)
	if err != nil {
		t.Fatalf("GetUser: %v", err)
	}
	if byID.Email != "team@example.com" || byID.AccountID != accID {
		t.Fatalf("GetUser = %+v, unerwartete Werte", byID)
	}
}

func TestGetUserByEmailNotFound(t *testing.T) {
	s := openTestStore(t)
	_, err := s.GetUserByEmail(context.Background(), "nichtvorhanden@example.com")
	if !errors.Is(err, store.ErrNotFound) {
		t.Fatalf("err = %v, want store.ErrNotFound", err)
	}
}

func TestUserEmailIsUnique(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	accID := testAccountID(t, s)

	if _, err := s.CreateUser(ctx, accID, "doppelt@example.com", "hash1", "mitarbeiter"); err != nil {
		t.Fatalf("CreateUser (1): %v", err)
	}
	if _, err := s.CreateUser(ctx, accID, "doppelt@example.com", "hash2", "mitarbeiter"); err == nil {
		t.Fatal("expected error for a duplicate email, got nil")
	}
}

func TestSessionCRUD(t *testing.T) {
	s := openTestStore(t)
	ctx := context.Background()
	accID := testAccountID(t, s)

	user, err := s.CreateUser(ctx, accID, "session@example.com", "hash", "verantwortlicher")
	if err != nil {
		t.Fatalf("CreateUser: %v", err)
	}

	expiresAt := time.Now().Add(time.Hour).Truncate(time.Millisecond)
	sess, err := s.CreateSession(ctx, "test-token-123", user.ID, expiresAt)
	if err != nil {
		t.Fatalf("CreateSession: %v", err)
	}

	got, err := s.GetSession(ctx, sess.Token)
	if err != nil {
		t.Fatalf("GetSession: %v", err)
	}
	if got.UserID != user.ID {
		t.Fatalf("UserID = %q, want %q", got.UserID, user.ID)
	}

	if err := s.DeleteSession(ctx, sess.Token); err != nil {
		t.Fatalf("DeleteSession: %v", err)
	}
	if _, err := s.GetSession(ctx, sess.Token); !errors.Is(err, store.ErrNotFound) {
		t.Fatalf("err after delete = %v, want store.ErrNotFound", err)
	}
}

func TestGetSessionNotFound(t *testing.T) {
	s := openTestStore(t)
	_, err := s.GetSession(context.Background(), "unbekanntes-token")
	if !errors.Is(err, store.ErrNotFound) {
		t.Fatalf("err = %v, want store.ErrNotFound", err)
	}
}