import * as R from 'ramda';

import * as types from '../constants/actionTypes';

import UserRecord from '../store/userRecord';

import GroupRecord from '../store/groupRecord';

import asyncRequest from '../constants/asyncRequest';

import uuidV4 from 'uuid/v4';

export const isAuthenticated = (state = false, action) => {

  switch (action.type) {

    case types.AUTH_DEAUTHENTICATE:

    case types.AUTH_LOGOUT:

      return false;

    case types.AUTH_LOGIN_SUCCESS:

      return true;

    default:

      return state;

  }

}

export const currentUser = (state = null, action) => {

  switch (action.type) {

    case types.AUTH_DEAUTHENTICATE:

    case types.AUTH_LOGOUT:

      return null;

    case types.AUTH_LOGIN_SUCCESS:

      return new UserRecord(action.user);

    case types.USER_UPDATE_SETTINGS:

      return R.merge(state,{

        first_name: action.firstname,

        last_name: action.lastname

      });

    default:

      return state;

  }

}

export const currentGroup = (state = null, action) => {

  switch (action.type) {

    case types.AUTH_DEAUTHENTICATE:

    case types.AUTH_LOGOUT:

      return null;

    case types.AUTH_LOGIN_SUCCESS:

      if( state === null) {

        return action.user.default_group;

      }

      return state;

    case types.GROUP_CREATE_SUCCESS: {

      return action.group.name;

    }

    case types.GROUP_SET_GROUP:

      return action.group;

    default:

      return state;

  }

}

export const token = (state = null, action) => {

  switch (action.type) {

    case types.AUTH_DEAUTHENTICATE:

    case types.AUTH_LOGOUT:

      return null;

    case types.AUTH_STORE_TOKEN:

      return action.token;

    default:

      return state;

  }

}

export const clientId = (state = null, action) => {

  switch (action.type) {

    case types.AUTH_DEAUTHENTICATE:

    case types.AUTH_LOGOUT:

      return null;

    case types.AUTH_LOGIN_SUCCESS:

      return uuidV4();

    default:

      return state;

  }

}

export const login = (state = asyncRequest, action) => {

  switch (action.type) {

    case types.AUTH_LOGIN_REQUEST:

      return {

        loading: true,

        success: false,

        error: false,

      }

    case types.AUTH_LOGIN_SUCCESS:

    case types.AUTH_LOGIN_ERROR:

      return {

        loading: false,

        success: action.type === types.AUTH_LOGIN_SUCCESS,

        error: action.type === types.AUTH_LOGIN_ERROR,

        errorMessages: action.type === types.AUTH_LOGIN_ERROR ? action.error : {}

      }

    default:

      return state

  }

}

export const register = (state = asyncRequest, action) => {

  switch (action.type) {

    case types.AUTH_REGISTER_REQUEST:

      return {

        loading: true,

        success: false,

        error: false,

      }

    case types.AUTH_LOGIN_SUCCESS:

    case types.AUTH_REGISTER_ERROR:

      return {

        loading: false,

        success: (action.type === types.AUTH_LOGIN_SUCCESS || action.type === types.AUTH_LOGIN_SUCCESS),

        error: action.type === types.AUTH_REGISTER_ERROR,

        errorMessages: action.type === types.AUTH_REGISTER_ERROR ? action.error : {}

      }

    default:

      return state

  }

}

const groupTransformIsPersonal = R.compose(

  GroupRecord,

  R.converge(

    R.merge,

    [

      R.omit('is_personal'),

      R.compose(

        R.objOf('isPersonal'),

        R.propOr(false, 'is_personal')

      )

    ]

  )

);

export const groups = (state = [], action) => {

  switch (action.type) {

    case types.GROUP_LOAD_SUCCESS:

      return R.map(groupTransformIsPersonal, action.groups)

    case types.GROUP_CREATE_SUCCESS:

      return R.append(groupTransformIsPersonal(action.group), state);

    case types.AUTH_LOGOUT: {

      return []; // empty note list on logout

    }

    default:

      return state

  }

}

export const createGroup = (state = asyncRequest, action) => {

  switch (action.type) {

    case types.GROUP_CREATE_ASYNC:

      return {

        loading: true,

        success: false,

        error: false,

      }

    case types.GROUP_CREATE_SUCCESS:

    case types.GROUP_CREATE_ERROR:

      return {

        loading: false,

        success: action.type === types.GROUP_CREATE_SUCCESS,

        error: action.type === types.GROUP_CREATE_ERROR,

        errorMessages: action.type === types.GROUP_CREATE_ERROR ? action.error : {}

      }

    default:

      return state

  }

}