package accounts_test

import (
	"context"
	"errors"
	"testing"

	"ruben/inventory2/consts"
	"ruben/inventory2/domains/accounts"
	"ruben/inventory2/internal/testdb"
)

func TestCreateAccount(t *testing.T) {
	pool := testdb.Pool(t)
	store := accounts.NewStore(testdb.Logger(), pool)
	ctx := context.Background()

	userID := testdb.NewUserID(t)
	testdb.SeedOAuthUser(t, pool, userID)

	email := userID + "@example.com"

	acct, err := store.CreateAccount(ctx, userID, email)
	if err != nil {
		t.Fatalf("CreateAccount() error = %v", err)
	}
	t.Cleanup(func() {
		pool.Exec(context.Background(), "DELETE FROM accounts WHERE account_id = $1", acct.AccountID)
	})

	if acct.AccountID == 0 {
		t.Error("CreateAccount() returned a zero AccountID")
	}
	if acct.UserID != userID {
		t.Errorf("CreateAccount() UserID = %q, want %q", acct.UserID, userID)
	}
	if acct.Email != email {
		t.Errorf("CreateAccount() Email = %q, want %q", acct.Email, email)
	}

	got, err := store.GetAccount(ctx, acct.AccountID)
	if err != nil {
		t.Fatalf("GetAccount() error = %v", err)
	}
	if got != acct {
		t.Errorf("GetAccount() = %+v, want %+v", got, acct)
	}
}

func TestCreateAccount_DuplicateUserIsConflict(t *testing.T) {
	pool := testdb.Pool(t)
	store := accounts.NewStore(testdb.Logger(), pool)
	ctx := context.Background()

	userID := testdb.NewUserID(t)
	testdb.SeedOAuthUser(t, pool, userID)

	acct, err := store.CreateAccount(ctx, userID, userID+"@example.com")
	if err != nil {
		t.Fatalf("first CreateAccount() error = %v", err)
	}
	t.Cleanup(func() {
		pool.Exec(context.Background(), "DELETE FROM accounts WHERE account_id = $1", acct.AccountID)
	})

	_, err = store.CreateAccount(ctx, userID, userID+"-other@example.com")
	if !errors.Is(err, consts.ErrConflict) {
		t.Fatalf("second CreateAccount() error = %v, want %v", err, consts.ErrConflict)
	}
}

func TestGetAccount_NotFound(t *testing.T) {
	pool := testdb.Pool(t)
	store := accounts.NewStore(testdb.Logger(), pool)
	ctx := context.Background()

	_, err := store.GetAccount(ctx, -1)
	if !errors.Is(err, consts.ErrNotFound) {
		t.Fatalf("GetAccount() error = %v, want %v", err, consts.ErrNotFound)
	}
}

func TestGetUserAndAccountByAccessToken(t *testing.T) {
	pool := testdb.Pool(t)
	store := accounts.NewStore(testdb.Logger(), pool)
	ctx := context.Background()

	userID := testdb.NewUserID(t)
	accessToken := testdb.SeedOAuthSession(t, pool, userID)

	// before an account exists: user resolves, account does not.
	user, acct, err := store.GetUserAndAccountByAccessToken(ctx, accessToken)
	if err != nil {
		t.Fatalf("GetUserAndAccountByAccessToken() before account creation: error = %v", err)
	}
	if user.UserID != userID {
		t.Errorf("GetUserAndAccountByAccessToken() UserID = %q, want %q", user.UserID, userID)
	}
	if acct != nil {
		t.Errorf("GetUserAndAccountByAccessToken() Account = %+v, want nil before an account is created", acct)
	}

	created, err := store.CreateAccount(ctx, userID, userID+"@example.com")
	if err != nil {
		t.Fatalf("CreateAccount() error = %v", err)
	}
	t.Cleanup(func() {
		pool.Exec(context.Background(), "DELETE FROM accounts WHERE account_id = $1", created.AccountID)
	})

	// after an account exists: both resolve.
	user, acct, err = store.GetUserAndAccountByAccessToken(ctx, accessToken)
	if err != nil {
		t.Fatalf("GetUserAndAccountByAccessToken() after account creation: error = %v", err)
	}
	if user.UserID != userID {
		t.Errorf("GetUserAndAccountByAccessToken() UserID = %q, want %q", user.UserID, userID)
	}
	if acct == nil || acct.AccountID != created.AccountID {
		t.Errorf("GetUserAndAccountByAccessToken() Account = %+v, want AccountID %d", acct, created.AccountID)
	}
}

func TestGetUserAndAccountByAccessToken_UnknownToken(t *testing.T) {
	pool := testdb.Pool(t)
	store := accounts.NewStore(testdb.Logger(), pool)
	ctx := context.Background()

	_, _, err := store.GetUserAndAccountByAccessToken(ctx, "no-such-token-"+testdb.NewUserID(t))
	if !errors.Is(err, consts.ErrNotFound) {
		t.Fatalf("GetUserAndAccountByAccessToken() error = %v, want %v", err, consts.ErrNotFound)
	}
}