import types from '../../../mutation-types';
import { mutations } from '../../conversations';

describe('#mutations', () => {
  describe('#EMPTY_ALL_CONVERSATION', () => {
    it('empty conversations', () => {
      const state = { allConversations: [{ id: 1 }], selectedChatId: 1 };
      mutations[types.EMPTY_ALL_CONVERSATION](state);
      expect(state.allConversations).toEqual([]);
      expect(state.selectedChatId).toEqual(null);
    });
  });

  describe('#MARK_MESSAGE_READ', () => {
    it('mark conversation as read', () => {
      const state = { allConversations: [{ id: 1 }] };
      const lastSeen = new Date().getTime() / 1000;
      mutations[types.MARK_MESSAGE_READ](state, { id: 1, lastSeen });
      expect(state.allConversations).toEqual([
        { id: 1, agent_last_seen_at: lastSeen },
      ]);
    });

    it('doesnot send any mutation if chat doesnot exist', () => {
      const state = { allConversations: [] };
      const lastSeen = new Date().getTime() / 1000;
      mutations[types.MARK_MESSAGE_READ](state, { id: 1, lastSeen });
      expect(state.allConversations).toEqual([]);
    });
  });

  describe('#CLEAR_CURRENT_CHAT_WINDOW', () => {
    it('clears current chat window', () => {
      const state = { selectedChatId: 1 };
      mutations[types.CLEAR_CURRENT_CHAT_WINDOW](state);
      expect(state.selectedChatId).toEqual(null);
    });
  });

  describe('#SET_CURRENT_CHAT_WINDOW', () => {
    it('set current chat window', () => {
      const state = { selectedChatId: 1 };
      mutations[types.SET_CURRENT_CHAT_WINDOW](state, { id: 2 });
      expect(state.selectedChatId).toEqual(2);
    });

    it('does not set current chat window', () => {
      const state = { selectedChatId: 1 };
      mutations[types.SET_CURRENT_CHAT_WINDOW](state);
      expect(state.selectedChatId).toEqual(1);
    });
  });

  describe('#SET_CONVERSATION_CAN_REPLY', () => {
    it('set canReply flag', () => {
      const state = { allConversations: [{ id: 1, can_reply: false }] };
      mutations[types.SET_CONVERSATION_CAN_REPLY](state, {
        conversationId: 1,
        canReply: true,
      });
      expect(state.allConversations[0].can_reply).toEqual(true);
    });
  });

  describe('#ADD_MESSAGE', () => {
    it('does not add message to the store if conversation does not exist', () => {
      const state = { allConversations: [] };
      mutations[types.ADD_MESSAGE](state, { conversationId: 1 });
      expect(state.allConversations).toEqual([]);
    });

    it('add message to the conversation if it does not exist in the store', () => {
      global.bus = { $emit: jest.fn() };
      const state = {
        allConversations: [{ id: 1, messages: [] }],
        selectedChatId: -1,
      };
      mutations[types.ADD_MESSAGE](state, {
        conversation_id: 1,
        content: 'Test message',
        created_at: 1602256198,
      });
      expect(state.allConversations).toEqual([
        {
          id: 1,
          messages: [
            {
              conversation_id: 1,
              content: 'Test message',
              created_at: 1602256198,
            },
          ],
          timestamp: 1602256198,
        },
      ]);
      expect(global.bus.$emit).not.toHaveBeenCalled();
    });

    it('add message to the conversation and emit scrollToMessage if it does not exist in the store', () => {
      global.bus = { $emit: jest.fn() };
      const state = {
        allConversations: [{ id: 1, messages: [] }],
        selectedChatId: 1,
      };
      mutations[types.ADD_MESSAGE](state, {
        conversation_id: 1,
        content: 'Test message',
        created_at: 1602256198,
      });
      expect(state.allConversations).toEqual([
        {
          id: 1,
          messages: [
            {
              conversation_id: 1,
              content: 'Test message',
              created_at: 1602256198,
            },
          ],
          timestamp: 1602256198,
        },
      ]);
      expect(global.bus.$emit).toHaveBeenCalledWith('scrollToMessage');
    });

    it('update message if it exist in the store', () => {
      global.bus = { $emit: jest.fn() };
      const state = {
        allConversations: [
          {
            id: 1,
            messages: [
              {
                conversation_id: 1,
                content: 'Test message',
                created_at: 1602256198,
              },
            ],
          },
        ],
        selectedChatId: 1,
      };
      mutations[types.ADD_MESSAGE](state, {
        conversation_id: 1,
        content: 'Test message 1',
        created_at: 1602256198,
      });
      expect(state.allConversations).toEqual([
        {
          id: 1,
          messages: [
            {
              conversation_id: 1,
              content: 'Test message 1',
              created_at: 1602256198,
            },
          ],
        },
      ]);
      expect(global.bus.$emit).not.toHaveBeenCalled();
    });
  });

  describe('#RESOLVE_CONVERSATION', () => {
    it('updates the conversation status correctly', () => {
      const state = {
        allConversations: [
          {
            id: 1,
            messages: [],
            status: 'open',
          },
        ],
      };

      mutations[types.RESOLVE_CONVERSATION](state, {
        conversationId: '1',
        status: 'resolved',
      });

      expect(state.allConversations).toEqual([
        {
          id: 1,
          messages: [],
          status: 'resolved',
        },
      ]);
    });
  });
});