'use strict';

const chai = require('chai');

const expect = chai.expect;
const sinon = require('sinon');
const Support = require('../support');

const { DataTypes, Op } = require('@sequelize/core');

describe(Support.getTestDialectTeaser('Include'), () => {
  before(function () {
    this.clock = sinon.useFakeTimers();
  });

  after(function () {
    this.clock.restore();
  });

  describe('findAndCountAll', () => {
    it('should be able to include two required models with a limit. Result rows should match limit.', async function () {
      const Project = this.sequelize.define('Project', {
        id: { type: DataTypes.INTEGER, primaryKey: true },
        name: DataTypes.STRING(40),
      });
      const Task = this.sequelize.define('Task', {
        name: DataTypes.STRING(40),
        fk: DataTypes.INTEGER,
      });
      const Employee = this.sequelize.define('Employee', {
        name: DataTypes.STRING(40),
        fk: DataTypes.INTEGER,
      });

      Project.hasMany(Task, { foreignKey: 'fk', foreignKeyConstraints: false });
      Project.hasMany(Employee, { foreignKey: 'fk', foreignKeyConstraints: false });

      Task.belongsTo(Project, { foreignKey: 'fk', foreignKeyConstraints: false });
      Employee.belongsTo(Project, { foreignKey: 'fk', foreignKeyConstraints: false });

      // Sync them
      await this.sequelize.sync({ force: true });

      // Create an enviroment
      await Promise.all([
        Project.bulkCreate([
          { id: 1, name: 'No tasks' },
          { id: 2, name: 'No tasks no employees' },
          { id: 3, name: 'No employees' },
          { id: 4, name: 'In progress A' },
          { id: 5, name: 'In progress B' },
          { id: 6, name: 'In progress C' },
        ]),
        Task.bulkCreate([
          { name: 'Important task', fk: 3 },
          { name: 'Important task', fk: 4 },
          { name: 'Important task', fk: 5 },
          { name: 'Important task', fk: 6 },
        ]),
        Employee.bulkCreate([
          { name: 'Jane Doe', fk: 1 },
          { name: 'John Doe', fk: 4 },
          { name: 'Jane John Doe', fk: 5 },
          { name: 'John Jane Doe', fk: 6 },
        ]),
      ]);

      // Find all projects with tasks and employees
      const availableProjects = 3;
      const limit = 2;

      const result = await Project.findAndCountAll({
        include: [
          {
            model: Task,
            required: true,
          },
          {
            model: Employee,
            required: true,
          },
        ],
        limit,
      });

      expect(result.count).to.equal(availableProjects);
      expect(result.rows.length).to.equal(
        limit,
        'Complete set of available rows were not returned.',
      );
    });

    it('should be able to include a required model. Result rows should match count', async function () {
      const User = this.sequelize.define(
        'User',
        { name: DataTypes.STRING(40) },
        { paranoid: true },
      );
      const SomeConnection = this.sequelize.define(
        'SomeConnection',
        {
          m: DataTypes.STRING(40),
          fk: DataTypes.INTEGER,
          u: DataTypes.INTEGER,
        },
        { paranoid: true },
      );
      const A = this.sequelize.define('A', { name: DataTypes.STRING(40) }, { paranoid: true });
      const B = this.sequelize.define('B', { name: DataTypes.STRING(40) }, { paranoid: true });
      const C = this.sequelize.define('C', { name: DataTypes.STRING(40) }, { paranoid: true });

      // Associate them
      User.hasMany(SomeConnection, { foreignKey: 'u', foreignKeyConstraints: false });

      SomeConnection.belongsTo(User, { foreignKey: 'u', foreignKeyConstraints: false });
      SomeConnection.belongsTo(A, { foreignKey: 'fk', foreignKeyConstraints: false });
      SomeConnection.belongsTo(B, { foreignKey: 'fk', foreignKeyConstraints: false });
      SomeConnection.belongsTo(C, { foreignKey: 'fk', foreignKeyConstraints: false });

      A.hasMany(SomeConnection, { foreignKey: 'fk', foreignKeyConstraints: false });
      B.hasMany(SomeConnection, { foreignKey: 'fk', foreignKeyConstraints: false });
      C.hasMany(SomeConnection, { foreignKey: 'fk', foreignKeyConstraints: false });

      // Sync them
      await this.sequelize.sync({ force: true });

      // Create an enviroment

      await Promise.all([
        User.bulkCreate([
          { name: 'Youtube' },
          { name: 'Facebook' },
          { name: 'Google' },
          { name: 'Yahoo' },
          { name: '404' },
        ]),
        SomeConnection.bulkCreate([
          // Lets count, m: A and u: 1
          { u: 1, m: 'A', fk: 1 }, // 1  // Will be deleted
          { u: 2, m: 'A', fk: 1 },
          { u: 3, m: 'A', fk: 1 },
          { u: 4, m: 'A', fk: 1 },
          { u: 5, m: 'A', fk: 1 },
          { u: 1, m: 'B', fk: 1 },
          { u: 2, m: 'B', fk: 1 },
          { u: 3, m: 'B', fk: 1 },
          { u: 4, m: 'B', fk: 1 },
          { u: 5, m: 'B', fk: 1 },
          { u: 1, m: 'C', fk: 1 },
          { u: 2, m: 'C', fk: 1 },
          { u: 3, m: 'C', fk: 1 },
          { u: 4, m: 'C', fk: 1 },
          { u: 5, m: 'C', fk: 1 },
          { u: 1, m: 'A', fk: 2 }, // 2 // Will be deleted
          { u: 4, m: 'A', fk: 2 },
          { u: 2, m: 'A', fk: 2 },
          { u: 1, m: 'A', fk: 3 }, // 3
          { u: 2, m: 'A', fk: 3 },
          { u: 3, m: 'A', fk: 3 },
          { u: 2, m: 'B', fk: 2 },
          { u: 1, m: 'A', fk: 4 }, // 4
          { u: 4, m: 'A', fk: 2 },
        ]),
        A.bulkCreate([
          { name: 'Just' },
          { name: 'for' },
          { name: 'testing' },
          { name: 'proposes' },
          { name: 'only' },
        ]),
        B.bulkCreate([{ name: 'this should not' }, { name: 'be loaded' }]),
        C.bulkCreate([{ name: 'because we only want A' }]),
      ]);

      // Delete some of conns to prove the concept
      await SomeConnection.destroy({
        where: {
          m: 'A',
          u: 1,
          fk: [1, 2],
        },
      });

      this.clock.tick(1000);

      // Last and most important queries ( we connected 4, but deleted 2, witch means we must get 2 only )
      const result = await A.findAndCountAll({
        include: [
          {
            model: SomeConnection,
            required: true,
            where: {
              m: 'A', // Pseudo Polymorphy
              u: 1,
            },
          },
        ],
        limit: 5,
      });

      expect(result.count).to.equal(2);
      expect(result.rows.length).to.equal(2);
    });

    it('should count on a where and not use an uneeded include', async function () {
      const Project = this.sequelize.define('Project', {
        id: { type: DataTypes.INTEGER, allowNull: false, primaryKey: true, autoIncrement: true },
        project_name: { type: DataTypes.STRING },
      });

      const User = this.sequelize.define('User', {
        id: { type: DataTypes.INTEGER, allowNull: false, primaryKey: true, autoIncrement: true },
        user_name: { type: DataTypes.STRING },
      });

      User.hasMany(Project);

      await User.sync({ force: true });
      await Project.sync({ force: true });
      const results = await Promise.all([
        User.create(),
        Project.create(),
        Project.create(),
        Project.create(),
      ]);
      const user = results[0];
      const userId = user.id;
      await user.setProjects([results[1], results[2], results[3]]);

      const result = await User.findAndCountAll({
        where: { id: userId },
        include: [Project],
        distinct: true,
      });

      expect(result.rows.length).to.equal(1);
      expect(result.rows[0].projects.length).to.equal(3);
      expect(result.count).to.equal(1);
    });

    it('should return the correct count and rows when using a required belongsTo and a limit', async function () {
      const s = this.sequelize;
      const Foo = s.define('Foo', {});
      const Bar = s.define('Bar', {});

      Foo.hasMany(Bar);
      Bar.belongsTo(Foo);

      await s.sync({ force: true });
      // Make five instances of Foo
      await Foo.bulkCreate([{ id: 1 }, { id: 2 }, { id: 3 }, { id: 4 }, { id: 5 }]);
      // Make four instances of Bar, related to the last four instances of Foo
      await Bar.bulkCreate([{ fooId: 2 }, { fooId: 3 }, { fooId: 4 }, { fooId: 5 }]);

      // Query for the first two instances of Foo which have related Bars
      const result0 = await Foo.findAndCountAll({
        include: [{ model: Bar, required: true }],
        limit: 2,
      });

      const items = await Foo.findAll({
        include: [{ model: Bar, required: true }],
        limit: 2,
      });

      expect(items.length).to.equal(2);

      const result = result0;
      expect(result.count).to.equal(4);

      // The first two of those should be returned due to the limit (Foo
      // instances 2 and 3)
      expect(result.rows.length).to.equal(2);
    });

    it('should return the correct count and rows when using a required belongsTo with a where condition and a limit', async function () {
      const Foo = this.sequelize.define('Foo', {});
      const Bar = this.sequelize.define('Bar', { m: DataTypes.STRING(40) });

      Foo.hasMany(Bar);
      Bar.belongsTo(Foo);

      await this.sequelize.sync({ force: true });
      await Foo.bulkCreate([{ id: 1 }, { id: 2 }, { id: 3 }, { id: 4 }, { id: 5 }]);
      // Make four instances of Bar, related to the first two instances of Foo
      await Bar.bulkCreate([
        { fooId: 1, m: 'yes' },
        { fooId: 1, m: 'yes' },
        { fooId: 1, m: 'no' },
        { fooId: 2, m: 'yes' },
      ]);

      // Query for the first instance of Foo which have related Bars with m === 'yes'
      const result = await Foo.findAndCountAll({
        include: [{ model: Bar, where: { m: 'yes' } }],
        limit: 1,
        distinct: true,
      });

      // There should be 2 instances matching the query (Instances 1 and 2), see the findAll statement
      expect(result.count).to.equal(2);

      // The first one of those should be returned due to the limit (Foo instance 1)
      expect(result.rows.length).to.equal(1);
    });

    it('should correctly filter, limit and sort when multiple includes and types of associations are present.', async function () {
      const TaskTag = this.sequelize.define('TaskTag', {
        id: { type: DataTypes.INTEGER, allowNull: false, primaryKey: true, autoIncrement: true },
        name: { type: DataTypes.STRING },
      });

      const Tag = this.sequelize.define('Tag', {
        id: { type: DataTypes.INTEGER, allowNull: false, primaryKey: true, autoIncrement: true },
        name: { type: DataTypes.STRING },
      });

      const Task = this.sequelize.define('Task', {
        id: { type: DataTypes.INTEGER, allowNull: false, primaryKey: true, autoIncrement: true },
        name: { type: DataTypes.STRING },
      });
      const Project = this.sequelize.define('Project', {
        id: { type: DataTypes.INTEGER, allowNull: false, primaryKey: true, autoIncrement: true },
        m: { type: DataTypes.STRING },
      });

      const User = this.sequelize.define('User', {
        id: { type: DataTypes.INTEGER, allowNull: false, primaryKey: true, autoIncrement: true },
        name: { type: DataTypes.STRING },
      });

      Project.belongsTo(User);
      Task.belongsTo(Project);
      Task.belongsToMany(Tag, { through: TaskTag });

      // Sync them
      await this.sequelize.sync({ force: true });

      // Create an enviroment
      await User.bulkCreate([{ name: 'user-name-1' }, { name: 'user-name-2' }]);

      await Project.bulkCreate([
        { m: 'A', userId: 1 },
        { m: 'A', userId: 2 },
      ]);

      await Task.bulkCreate([
        { projectId: 1, name: 'Just' },
        { projectId: 1, name: 'for' },
        { projectId: 2, name: 'testing' },
        { projectId: 2, name: 'proposes' },
      ]);

      // Find All Tasks with Project(m=a) and User(name=user-name-2)
      const result = await Task.findAndCountAll({
        limit: 1,
        offset: 0,
        order: [['id', 'DESC']],
        include: [
          {
            model: Project,
            where: { [Op.and]: [{ m: 'A' }] },
            include: [
              {
                model: User,
                where: { [Op.and]: [{ name: 'user-name-2' }] },
              },
            ],
          },
          { model: Tag },
        ],
      });

      expect(result.count).to.equal(2);
      expect(result.rows.length).to.equal(1);
    });

    it('should properly work with sequelize.function', async function () {
      const sequelize = this.sequelize;
      const User = this.sequelize.define('User', {
        id: { type: DataTypes.INTEGER, allowNull: false, primaryKey: true, autoIncrement: true },
        first_name: { type: DataTypes.STRING },
        last_name: { type: DataTypes.STRING },
      });

      const Project = this.sequelize.define('Project', {
        id: { type: DataTypes.INTEGER, allowNull: false, primaryKey: true, autoIncrement: true },
        name: { type: DataTypes.STRING },
      });

      User.hasMany(Project);

      await this.sequelize.sync({ force: true });

      await User.bulkCreate([
        { first_name: 'user-fname-1', last_name: 'user-lname-1' },
        { first_name: 'user-fname-2', last_name: 'user-lname-2' },
        { first_name: 'user-xfname-1', last_name: 'user-xlname-1' },
      ]);

      await Project.bulkCreate([
        { name: 'naam-satya', userId: 1 },
        { name: 'guru-satya', userId: 2 },
        { name: 'app-satya', userId: 2 },
      ]);

      const result = await User.findAndCountAll({
        limit: 1,
        offset: 1,
        where: sequelize.or(
          { first_name: { [Op.like]: '%user-fname%' } },
          { last_name: { [Op.like]: '%user-lname%' } },
        ),
        include: [
          {
            model: Project,
            required: true,
            where: {
              name: {
                [Op.in]: ['naam-satya', 'guru-satya'],
              },
            },
          },
        ],
      });

      expect(result.count).to.equal(2);
      expect(result.rows.length).to.equal(1);
    });
  });
});
