const models = require('vn-loopback/server/server').models;

describe('Application execute()/executeProc()/executeFunc()', () => {
    const userWithoutPrivileges = 1;
    const userWithPrivileges = 9;
    const userWithInheritedPrivileges = 120;
    let tx;

    function getCtx(userId) {
        return {
            req: {
                accessToken: {userId},
                headers: {origin: 'http://localhost'}
            }
        };
    }

    beforeEach(async() => {
        tx = await models.Application.beginTransaction({});
        const options = {transaction: tx};

        await models.Application.rawSql(`
            CREATE OR REPLACE PROCEDURE vn.myProcedure(vMyParam INT)
            BEGIN
                SELECT vMyParam myParam, t.*
                    FROM ticket t
                    LIMIT 2;
            END
        `, null, options);

        await models.Application.rawSql(`
            CREATE OR REPLACE FUNCTION bs.myFunction(vMyParam INT) RETURNS int(11)
            BEGIN
                RETURN vMyParam;
            END
        `, null, options);

        await models.Application.rawSql(`
            GRANT EXECUTE ON PROCEDURE vn.myProcedure TO developer;
            GRANT EXECUTE ON FUNCTION bs.myFunction TO developer;
        `, null, options);
    });

    it('should throw error when execute procedure and not have privileges', async() => {
        const ctx = getCtx(userWithoutPrivileges);

        let error;
        try {
            const options = {transaction: tx};

            await models.Application.execute(
                ctx,
                'PROCEDURE',
                'CALL vn.myProcedure',
                [1],
                options
            );

            await tx.rollback();
        } catch (e) {
            await tx.rollback();
            error = e;
        }

        expect(error.message).toEqual(`You don't have enough privileges`);
    });

    it('should execute procedure and get data', async() => {
        const ctx = getCtx(userWithPrivileges);
        try {
            const options = {transaction: tx};

            const response = await models.Application.execute(
                ctx,
                'PROCEDURE',
                'CALL vn.myProcedure',
                [1],
                options
            );

            expect(response.length).toEqual(2);
            expect(response[0].myParam).toEqual(1);

            await tx.rollback();
        } catch (e) {
            await tx.rollback();
            throw e;
        }
    });

    describe('Application executeProc()', () => {
        it('should execute procedure and get data (executeProc)', async() => {
            const ctx = getCtx(userWithPrivileges);
            try {
                const options = {transaction: tx};

                const response = await models.Application.executeProc(
                    ctx,
                    'myProcedure',
                    'vn',
                    [1],
                    options
                );

                expect(response.length).toEqual(2);
                expect(response[0].myParam).toEqual(1);

                await tx.rollback();
            } catch (e) {
                await tx.rollback();
                throw e;
            }
        });
    });

    describe('Application executeFunc()', () => {
        it('should execute function and get data', async() => {
            const ctx = getCtx(userWithPrivileges);
            try {
                const options = {transaction: tx};

                const response = await models.Application.executeFunc(
                    ctx,
                    'myFunction',
                    'bs',
                    [1],
                    options
                );

                expect(response).toEqual(1);

                await tx.rollback();
            } catch (e) {
                await tx.rollback();
                throw e;
            }
        });

        it('should execute function and get data with user with inherited privileges', async() => {
            const ctx = getCtx(userWithInheritedPrivileges);
            try {
                const options = {transaction: tx};

                const response = await models.Application.executeFunc(
                    ctx,
                    'myFunction',
                    'bs',
                    [1],
                    options
                );

                expect(response).toEqual(1);

                await tx.rollback();
            } catch (e) {
                await tx.rollback();
                throw e;
            }
        });
    });
});