const UsersService = require('../../services/users');
const SettingsService = require('../../services/settings');

const expect = require('chai').expect;

describe('services.UsersService', () => {

  let mockUsers;
  beforeEach(() => {
    const settings = {id: '1', moderation: 'PRE', wordlist: {banned: ['bad words'], suspect: ['suspect words']}};

    return SettingsService.init(settings).then(() => {
      return UsersService.createLocalUsers([{
        email: 'stampi@gmail.com',
        displayName: 'Stampi',
        password: '1Coral!-'
      }, {
        email: 'sockmonster@gmail.com',
        displayName: 'Sockmonster',
        password: '2Coral!2'
      }, {
        email: 'marvel@gmail.com',
        displayName: 'Marvel',
        password: '3Coral!3'
      }]).then((users) => {
        mockUsers = users;
      });
    });
  });

  describe('#findById()', () => {
    it('should find a user by id', () => {
      return UsersService
        .findById(mockUsers[0].id)
        .then((user) => {
          expect(user).to.have.property('displayName', 'stampi');
        });
    });
  });

  describe('#findByIdArray()', () => {
    it('should find an array of users from an array of ids', () => {
      const ids = mockUsers.map((user) => user.id);
      return UsersService.findByIdArray(ids).then((result) => {
        expect(result).to.have.length(3);
      });
    });
  });

  describe('#findPublicByIdArray()', () => {
    it('should find an array of users from an array of ids', () => {
      const ids = mockUsers.map((user) => user.id);
      return UsersService.findPublicByIdArray(ids).then((result) => {
        expect(result).to.have.length(3);
        const sorted = result.sort((a, b) =>     {
          if(a.displayName < b.displayName) {return -1;}
          if(a.displayName > b.displayName) {return 1;}
          return 0;
        });
        expect(sorted[0]).to.have.property('displayName', 'marvel');
      });
    });
  });

  describe('#findLocalUser', () => {

    it('should find a user when we give the right credentials', () => {
      return UsersService
        .findLocalUser(mockUsers[0].profiles[0].id, '1Coral!-')
        .then((user) => {
          expect(user).to.have.property('displayName')
            .and.to.equal(mockUsers[0].displayName.toLowerCase());
        });
    });

    it('should not find the user when we give the wrong credentials', () => {
      return UsersService
        .findLocalUser(mockUsers[0].profiles[0].id, '1Coral!-<nope>')
        .then((user) => {
          expect(user).to.equal(false);
        });
    });

  });

  describe('#createLocalUser', () => {
    it('should not create a user with duplicate display name', () => {
      return UsersService.createLocalUsers([{
        email: 'otrostampi@gmail.com',
        displayName: 'StampiTheSecond',
        password: '1Coralito!'
      }])
      .then((user) => {
        expect(user).to.be.null;
      })
      .catch((error) => {
        expect(error).to.not.be.null;
      });
    });
  });

  describe('#createEmailConfirmToken', () => {

    it('should create a token for a valid user', () => {
      return UsersService
        .createEmailConfirmToken(mockUsers[0].id, mockUsers[0].profiles[0].id)
        .then((token) => {
          expect(token).to.not.be.null;
        });
    });

    it('should not create a token for a user already verified', () => {
      return UsersService
        .createEmailConfirmToken(mockUsers[0].id, mockUsers[0].profiles[0].id)
        .then((token) => {
          expect(token).to.not.be.null;

          return UsersService.verifyEmailConfirmation(token);
        })
        .then(() => {
          return UsersService.createEmailConfirmToken(mockUsers[0].id, mockUsers[0].profiles[0].id);
        })
        .catch((err) => {
          expect(err).to.have.property('message', 'email address already confirmed');
        });
    });

  });

  describe('#verifyEmailConfirmation', () => {

    it('should correctly validate a valid token', () => {
      return UsersService
        .createEmailConfirmToken(mockUsers[0].id, mockUsers[0].profiles[0].id)
        .then((token) => {
          expect(token).to.not.be.null;

          return UsersService.verifyEmailConfirmation(token);
        });
    });

    it('should correctly reject an invalid token', () => {
      return UsersService
        .verifyEmailConfirmation('cats')
        .catch((err) => {
          expect(err).to.not.be.null;
        });
    });

    it('should update the user model when verification is complete', () => {
      return UsersService
        .createEmailConfirmToken(mockUsers[0].id, mockUsers[0].profiles[0].id)
        .then((token) => {
          expect(token).to.not.be.null;

          return UsersService.verifyEmailConfirmation(token);
        })
        .then(() => {
          return UsersService.findById(mockUsers[0].id);
        })
        .then((user) => {
          expect(user.profiles[0]).to.have.property('metadata');
          expect(user.profiles[0].metadata).to.have.property('confirmed_at');
          expect(user.profiles[0].metadata.confirmed_at).to.not.be.null;
        });
    });

  });

  describe('#setStatus', () => {
    it('should set the status to active', () => {
      return UsersService
        .setStatus(mockUsers[0].id, 'ACTIVE')
        .then(() => UsersService.findById(mockUsers[0].id))
        .then((user) => {
          expect(user).to.have.property('status', 'ACTIVE');
        });
    });
  });

  describe('#ban', () => {
    it('should set the status to banned', () => {
      return UsersService
        .setStatus(mockUsers[0].id, 'BANNED')
        .then(() => UsersService.findById(mockUsers[0].id))
        .then((user) => {
          expect(user).to.have.property('status', 'BANNED');
        });
    });

    it('should still disable and ban the user if there is no comment', () => {
      return UsersService
        .setStatus(mockUsers[0].id, 'BANNED')
        .then(() => UsersService.findById(mockUsers[0].id))
        .then((user) => {
          expect(user).to.have.property('status', 'BANNED');
        });
    });
  });

  describe('#unban', () => {
    it('should set the status to active', () => {
      return UsersService
        .setStatus(mockUsers[0].id, 'ACTIVE')
        .then(() => UsersService.findById(mockUsers[0].id))
        .then((user) => {
          expect(user).to.have.property('status', 'ACTIVE');
        });
    });
  });
});