import { SortDirection, StatusEnum, UserSortField } from "types";

import { SortUtil } from "../common";

import { ServerState } from "./server.interfaces"
import { Types } from "./server.types";

const initialState: ServerState = {
  buddyList: [],
  ignoreList: [],

  status: {
    state: StatusEnum.DISCONNECTED,
    description: null
  },
  info: {
    message: null,
    name: null,
    version: null
  },
  logs: {
    room: [],
    game: [],
    chat: []
  },
  user: null,
  users: [],
  sortUsersBy: {
    field: UserSortField.NAME,
    order: SortDirection.ASC
  }
};

export const serverReducer = (state = initialState, action: any) => {
  switch(action.type) {
    case Types.CLEAR_STORE: {
      return {
        ...initialState,
        status: {
          ...state.status
        }
      }
    }
    case Types.SERVER_MESSAGE: {
      const { message } = action;
      const { info } = state;

      return {
        ...state,
        info: { ...info, message }
      }
    }
    case Types.UPDATE_BUDDY_LIST: {
      const { buddyList } = action;
      const { sortUsersBy } = state;

      SortUtil.sortUsersByField(buddyList, sortUsersBy);

      return {
        ...state,
        buddyList: [
          ...buddyList
        ]
      };
    }
    case Types.ADD_TO_BUDDY_LIST: {
      const { user } = action;
      const { sortUsersBy } = state;

      const buddyList = [ ...state.buddyList ];

      buddyList.push(user);
      SortUtil.sortUsersByField(buddyList, sortUsersBy);

      return {
        ...state,
        buddyList
      };
    }
    case Types.REMOVE_FROM_BUDDY_LIST: {
      const { userName } = action;
      const buddyList = state.buddyList.filter(user => user.name !== userName);

      return {
        ...state,
        buddyList
      };
    }
    case Types.UPDATE_IGNORE_LIST: {
      const { ignoreList } = action;
      const { sortUsersBy } = state;

      SortUtil.sortUsersByField(ignoreList, sortUsersBy);

      return {
        ...state,
        ignoreList: [
          ...ignoreList
        ]
      };
    }
    case Types.ADD_TO_IGNORE_LIST: {
      const { user } = action;
      const { sortUsersBy } = state;

      const ignoreList = [ ...state.ignoreList ];

      ignoreList.push(user);
      SortUtil.sortUsersByField(ignoreList, sortUsersBy);

      return {
        ...state,
        ignoreList
      };
    }
    case Types.REMOVE_FROM_IGNORE_LIST: {
      const { userName } = action;
      const ignoreList = state.ignoreList.filter(user => user.name !== userName);
      
      return {
        ...state,
        ignoreList
      };
    }
    case Types.UPDATE_INFO: {
      const { name, version } = action.info;
      const { info } = state;
      
      return {
        ...state,
        info: { ...info, name, version }
      }
    }
    case Types.UPDATE_STATUS: {
      const { status } = action;

      return {
        ...state,
        status: { ...status }
      }
    }
    case Types.UPDATE_USER: {
      const { user } = action;

      return {
        ...state,
        user: {
          ...state.user,
          ...user
        }
      }
    }
    case Types.UPDATE_USERS: {
      const users = [ ...action.users ];
      const { sortUsersBy } = state;


      SortUtil.sortUsersByField(users, sortUsersBy);

      return {
        ...state,
        users
      };
    }
    case Types.USER_JOINED: {
      const { sortUsersBy } = state;

      const users = [
        ...state.users,
        { ...action.user }
      ];

      SortUtil.sortUsersByField(users, sortUsersBy);

      return {
        ...state,
        users 
      };
    }
    case Types.USER_LEFT: {
      const { name } = action;
      const users = state.users.filter(user => user.name !== name);

      return {
        ...state,
        users
      };
    }
    case Types.VIEW_LOGS: {
      const { logs } = action;

      return {
        ...state,
        logs: {
          ...logs
        }
      };
    }
    case Types.CLEAR_LOGS: {
      return {
        ...state,
        logs: {
          ...initialState.logs
        }
      }
    }
    default:
      return state;
  }
}