import { CreateOrganizationCommandHandler } from '../../../../src/Application/Organization/commands/CreateOrganizationCommandHandler';
import { UpdateOrganizationCommandHandler } from '../../../../src/Application/Organization/commands/UpdateOrganizationCommandHandler';
import { DeleteOrganizationCommandHandler } from '../../../../src/Application/Organization/commands/DeleteOrganizationCommandHandler';
import { CreateOrganizationCommand } from '../../../../src/Application/Organization/commands/CreateOrganizationCommand';
import { UpdateOrganizationCommand } from '../../../../src/Application/Organization/commands/UpdateOrganizationCommand';
import { DeleteOrganizationCommand } from '../../../../src/Application/Organization/commands/DeleteOrganizationCommand';
import { OrganizationState } from '../../../../src/Domain/Organization/OrganizationAggregate';
import { createMockOrganizationRepository, createMockOrganization } from '../../../testUtils';

describe('Organization Command Handlers - Comprehensive', () => {
  let mockOrganizationRepository: ReturnType<typeof createMockOrganizationRepository>;

  beforeEach(() => {
    mockOrganizationRepository = createMockOrganizationRepository();
  });

  describe('CreateOrganizationCommandHandler', () => {
    let handler: CreateOrganizationCommandHandler;

    beforeEach(() => {
      handler = new CreateOrganizationCommandHandler(mockOrganizationRepository);
    });

    it('should create organization successfully', async () => {
      // Arrange
      const mockOrgData = createMockOrganization({
        id: '550e8400-e29b-41d4-a716-446655440000',
        name: 'Test Organization',
        contactfname: 'John',
        contactlname: 'Doe',
        contactphone: '+1234567890',
        contactemail: 'john@testorg.com',
        url: null,
        state: OrganizationState.REGISTERED
      });

      mockOrganizationRepository.create.mockResolvedValue(mockOrgData);

      const command: CreateOrganizationCommand = {
        name: 'Test Organization',
        contactfname: 'John',
        contactlname: 'Doe',
        contactemail: 'john@testorg.com',
        contactphone: '+1234567890'
      };

      // Act
      const result = await handler.execute(command);

      // Assert - Returns ShortOrganizationDto
      expect(result).toEqual({
        id: '550e8400-e29b-41d4-a716-446655440000',
        name: 'Test Organization',
        state: 0,
        userinorg: 0,
        maxOrganizationalDecks: 10
      });
      expect(mockOrganizationRepository.create).toHaveBeenCalledWith(
        expect.objectContaining({
          name: 'Test Organization',
          contactfname: 'John',
          contactlname: 'Doe',
          contactemail: 'john@testorg.com',
          contactphone: '+1234567890',
          state: OrganizationState.REGISTERED
        })
      );
    });

    it('should create organization with optional URL', async () => {
      // Arrange
      const mockOrgData = createMockOrganization({
        id: '550e8400-e29b-41d4-a716-446655440001',
        name: 'Org with URL',
        contactfname: 'Jane',
        contactlname: 'Smith',
        contactphone: '+1987654321',
        contactemail: 'jane@orgwithurl.com',
        url: 'https://orgwithurl.com',
        state: OrganizationState.REGISTERED
      });

      mockOrganizationRepository.create.mockResolvedValue(mockOrgData);

      const command: CreateOrganizationCommand = {
        name: 'Org with URL',
        contactfname: 'Jane',
        contactlname: 'Smith',
        contactemail: 'jane@orgwithurl.com',
        contactphone: '+1987654321',
        url: 'https://orgwithurl.com'
      };

      // Act
      const result = await handler.execute(command);

      // Assert
      expect(result).toEqual({
        id: '550e8400-e29b-41d4-a716-446655440001',
        name: 'Org with URL',
        state: 0,
        userinorg: 0,
        maxOrganizationalDecks: 10
      });
    });

    it('should handle duplicate organization name error', async () => {
      // Arrange
      const command: CreateOrganizationCommand = {
        name: 'Duplicate Org',
        contactfname: 'John',
        contactlname: 'Doe',
        contactemail: 'john@duplicate.com',
        contactphone: '+1234567890'
      };

      const duplicateError = new Error('duplicate key value violates unique constraint "organization_name_unique"');
      mockOrganizationRepository.create.mockRejectedValue(duplicateError);

      // Act & Assert
      await expect(handler.execute(command)).rejects.toThrow('Organization with this name or contact email already exists');
    });

    it('should handle generic database errors', async () => {
      // Arrange
      const command: CreateOrganizationCommand = {
        name: 'Error Org',
        contactfname: 'John',
        contactlname: 'Doe',
        contactemail: 'john@error.com',
        contactphone: '+1234567890'
      };

      mockOrganizationRepository.create.mockRejectedValue(new Error('Database connection failed'));

      // Act & Assert
      await expect(handler.execute(command)).rejects.toThrow('Failed to create organization');
    });

    it('should handle non-Error exceptions', async () => {
      // Arrange
      const command: CreateOrganizationCommand = {
        name: 'Non-Error Exception Org',
        contactfname: 'John',
        contactlname: 'Doe',
        contactemail: 'john@exception.com',
        contactphone: '+1234567890'
      };

      mockOrganizationRepository.create.mockRejectedValue('String error');

      // Act & Assert
      await expect(handler.execute(command)).rejects.toThrow('Failed to create organization');
    });
  });

  describe('UpdateOrganizationCommandHandler', () => {
    let handler: UpdateOrganizationCommandHandler;

    beforeEach(() => {
      handler = new UpdateOrganizationCommandHandler(mockOrganizationRepository);
    });

    it('should update organization successfully', async () => {
      // Arrange
      const updatedOrgData = createMockOrganization({
        id: '550e8400-e29b-41d4-a716-446655440000',
        name: 'Updated Organization',
        contactemail: 'john@updated.com',
        url: 'https://updated.com',
        state: OrganizationState.ACTIVE
      });

      mockOrganizationRepository.update.mockResolvedValue(updatedOrgData);

      const command: UpdateOrganizationCommand = {
        id: '550e8400-e29b-41d4-a716-446655440000',
        name: 'Updated Organization',
        contactemail: 'john@updated.com',
        url: 'https://updated.com'
      };

      // Act
      const result = await handler.execute(command);

      // Assert - Returns ShortOrganizationDto
      expect(result).toEqual({
        id: '550e8400-e29b-41d4-a716-446655440000',
        name: 'Updated Organization',
        state: 1,
        userinorg: 0,
        maxOrganizationalDecks: 10
      });
      expect(mockOrganizationRepository.update).toHaveBeenCalledWith(
        '550e8400-e29b-41d4-a716-446655440000',
        command
      );
    });

    it('should return null when organization not found', async () => {
      // Arrange
      mockOrganizationRepository.update.mockResolvedValue(null);

      const command: UpdateOrganizationCommand = {
        id: 'non-existent-id',
        name: 'Non-existent Organization'
      };

      // Act
      const result = await handler.execute(command);

      // Assert
      expect(result).toBeNull();
      expect(mockOrganizationRepository.update).toHaveBeenCalledWith('non-existent-id', command);
    });

    it('should update organization with partial data', async () => {
      // Arrange
      const partialUpdatedOrgData = createMockOrganization({
        id: '550e8400-e29b-41d4-a716-446655440000',
        name: 'Original Name',
        contactemail: 'john@newmail.com',
        state: OrganizationState.ACTIVE
      });

      mockOrganizationRepository.update.mockResolvedValue(partialUpdatedOrgData);

      const command: UpdateOrganizationCommand = {
        id: '550e8400-e29b-41d4-a716-446655440000',
        contactemail: 'john@newmail.com'
      };

      // Act
      const result = await handler.execute(command);

      // Assert
      expect(result).toEqual({
        id: '550e8400-e29b-41d4-a716-446655440000',
        name: 'Original Name',
        state: 1,
        userinorg: 0,
        maxOrganizationalDecks: 10
      });
    });
  });

  describe('DeleteOrganizationCommandHandler', () => {
    let handler: DeleteOrganizationCommandHandler;

    beforeEach(() => {
      handler = new DeleteOrganizationCommandHandler(mockOrganizationRepository);
    });

    it('should perform soft delete successfully', async () => {
      // Arrange
      mockOrganizationRepository.softDelete.mockResolvedValue(null);

      const command: DeleteOrganizationCommand = {
        id: '550e8400-e29b-41d4-a716-446655440000',
        soft: true
      };

      // Act
      const result = await handler.execute(command);

      // Assert
      expect(result).toBe(true);
      expect(mockOrganizationRepository.softDelete).toHaveBeenCalledWith('550e8400-e29b-41d4-a716-446655440000');
      expect(mockOrganizationRepository.delete).not.toHaveBeenCalled();
    });

    it('should perform hard delete successfully', async () => {
      // Arrange
      mockOrganizationRepository.delete.mockResolvedValue(true);

      const command: DeleteOrganizationCommand = {
        id: '550e8400-e29b-41d4-a716-446655440000',
        soft: false
      };

      // Act
      const result = await handler.execute(command);

      // Assert
      expect(result).toBe(true);
      expect(mockOrganizationRepository.delete).toHaveBeenCalledWith('550e8400-e29b-41d4-a716-446655440000');
      expect(mockOrganizationRepository.softDelete).not.toHaveBeenCalled();
    });

    it('should default to hard delete when soft flag not specified', async () => {
      // Arrange
      mockOrganizationRepository.delete.mockResolvedValue(true);

      const command: DeleteOrganizationCommand = {
        id: '550e8400-e29b-41d4-a716-446655440000'
      };

      // Act
      const result = await handler.execute(command);

      // Assert
      expect(result).toBe(true);
      expect(mockOrganizationRepository.delete).toHaveBeenCalledWith('550e8400-e29b-41d4-a716-446655440000');
      expect(mockOrganizationRepository.softDelete).not.toHaveBeenCalled();
    });

    it('should handle soft delete with repository error gracefully', async () => {
      // Arrange
      mockOrganizationRepository.softDelete.mockRejectedValue(new Error('Database error'));

      const command: DeleteOrganizationCommand = {
        id: '550e8400-e29b-41d4-a716-446655440000',
        soft: true
      };

      // Act & Assert - Handler doesn't catch errors, they bubble up
      await expect(handler.execute(command)).rejects.toThrow('Database error');
    });

    it('should handle hard delete with repository error gracefully', async () => {
      // Arrange
      mockOrganizationRepository.delete.mockRejectedValue(new Error('Database error'));

      const command: DeleteOrganizationCommand = {
        id: '550e8400-e29b-41d4-a716-446655440000',
        soft: false
      };

      // Act & Assert - Handler doesn't catch errors, they bubble up
      await expect(handler.execute(command)).rejects.toThrow('Database error');
    });
  });
});