const { Project, User, Area } = require('../../../models');

describe('Project Model', () => {
  let user, area;

  beforeEach(async () => {
    const bcrypt = require('bcrypt');
    user = await User.create({
      email: 'test@example.com',
      password_digest: await bcrypt.hash('password123', 10)
    });

    area = await Area.create({
      name: 'Work',
      user_id: user.id
    });
  });

  describe('validation', () => {
    it('should create a project with valid data', async () => {
      const projectData = {
        name: 'Test Project',
        description: 'Test Description',
        active: true,
        pin_to_sidebar: false,
        priority: 1,
        user_id: user.id,
        area_id: area.id
      };

      const project = await Project.create(projectData);
      
      expect(project.name).toBe(projectData.name);
      expect(project.description).toBe(projectData.description);
      expect(project.active).toBe(projectData.active);
      expect(project.pin_to_sidebar).toBe(projectData.pin_to_sidebar);
      expect(project.priority).toBe(projectData.priority);
      expect(project.user_id).toBe(user.id);
      expect(project.area_id).toBe(area.id);
    });

    it('should require name', async () => {
      const projectData = {
        description: 'Project without name',
        user_id: user.id
      };

      await expect(Project.create(projectData)).rejects.toThrow();
    });

    it('should require user_id', async () => {
      const projectData = {
        name: 'Test Project'
      };

      await expect(Project.create(projectData)).rejects.toThrow();
    });

    it('should validate priority range', async () => {
      const projectData = {
        name: 'Test Project',
        user_id: user.id,
        priority: 5
      };

      await expect(Project.create(projectData)).rejects.toThrow();
    });

    it('should allow valid priority values', async () => {
      for (let priority of [0, 1, 2]) {
        const project = await Project.create({
          name: `Test Project ${priority}`,
          user_id: user.id,
          priority: priority
        });
        expect(project.priority).toBe(priority);
      }
    });
  });

  describe('default values', () => {
    it('should set correct default values', async () => {
      const project = await Project.create({
        name: 'Test Project',
        user_id: user.id
      });

      expect(project.active).toBe(false);
      expect(project.pin_to_sidebar).toBe(false);
    });
  });

  describe('optional fields', () => {
    it('should allow optional fields to be null', async () => {
      const project = await Project.create({
        name: 'Test Project',
        user_id: user.id,
        description: null,
        priority: null,
        due_date_at: null,
        area_id: null
      });

      expect(project.description).toBeNull();
      expect(project.priority).toBeNull();
      expect(project.due_date_at).toBeNull();
      expect(project.area_id).toBeNull();
    });
  });

  describe('associations', () => {
    it('should belong to a user', async () => {
      const project = await Project.create({
        name: 'Test Project',
        user_id: user.id
      });

      const projectWithUser = await Project.findByPk(project.id, {
        include: [{ model: User }]
      });

      expect(projectWithUser.User).toBeDefined();
      expect(projectWithUser.User.id).toBe(user.id);
    });

    it('should belong to an area', async () => {
      const project = await Project.create({
        name: 'Test Project',
        user_id: user.id,
        area_id: area.id
      });

      const projectWithArea = await Project.findByPk(project.id, {
        include: [{ model: Area }]
      });

      expect(projectWithArea.Area).toBeDefined();
      expect(projectWithArea.Area.id).toBe(area.id);
    });
  });
});