import { Module, MutationTree, ActionTree, GetterTree } from 'vuex';
import { StateInterface } from 'src/store';
import { axios } from 'boot/axios';
import { AxiosResponse } from 'axios';
import { SessionStorage } from 'quasar';

export interface UserStateInterface {
  updateUserLoading: boolean;
  getUserLoading: boolean;
  currentUser?: FG.User;
  users: FG.User[];
}

const state: UserStateInterface = {
  users: [],
  currentUser: SessionStorage.getItem<FG.User>('currentUser') || undefined,
  updateUserLoading: false,
  getUserLoading: false
};

const mutations: MutationTree<UserStateInterface> = {
  setCurrentUser(state, data: FG.User) {
    SessionStorage.set('currentUser', data);
    state.currentUser = data;
  },
  clearCurrentUser(state) {
    SessionStorage.remove('currentUser');
    state.currentUser = undefined;
  },
  setUsers(state, data: FG.User[]) {
    state.users = data;
  },
  setLoading(
    state,
    data: { key: 'updateUserLoading' | 'getUserLoading'; data: boolean }
  ) {
    state[data.key] = data.data;
  }
};

const actions: ActionTree<UserStateInterface, StateInterface> = {
  getCurrentUser({ commit, rootState }) {
    if (rootState.session.currentSession) {
      commit('setLoading', { key: 'getUserLoading', data: true });
      axios
        .get(`/users/${rootState.session.currentSession.userid}`)
        .then((response: AxiosResponse<FG.User>) => {
          commit('setCurrentUser', response.data);
        })
        .catch(err => {
          console.warn(err);
        })
        .finally(() => {
          commit('setLoading', { key: 'getUserLoading', data: false });
        });
    } else {
      console.debug('User not logged in, can not get current_user.');
    }
  },

  getUsers({ commit }) {
    axios
      .get(`/users`)
      .then((response: AxiosResponse<FG.User[]>) => {
        commit('setUsers', response.data);
      })
      .catch(err => {
        console.warn(err);
      });
  },

  updateUser({ commit, state, dispatch }, data) {
    commit('setLoading', { key: 'updateUserLoading', data: true });
    if (!state.currentUser) throw 'Not logged in';
    axios
      .put(`/users/${state.currentUser.userid}`, data)
      .then(() => {
        void dispatch('getCurrentUser');
      })
      .catch(error => {
        console.log(error);
      })
      .finally(() => {
        commit('setLoading', { key: 'updateUserLoading', data: false });
      });
  }
};

const getters: GetterTree<UserStateInterface, StateInterface> = {
  currentUser({ currentUser }) {
    return currentUser;
  },
  users({ users }) {
    return users;
  },
  loading({ updateUserLoading, getUserLoading }) {
    return updateUserLoading || getUserLoading;
  },
  displayName({ currentUser }) {
    return currentUser?.display_name;
  },
  permissions({ currentUser }) {
    let permissions: string[] = [];
    if (currentUser) {
      currentUser.roles.forEach(role => {
        permissions = permissions.concat(role.permissions);
      });
    }
    return permissions;
  }
};

const userStore: Module<UserStateInterface, StateInterface> = {
  namespaced: true,
  actions,
  getters,
  mutations,
  state
};

export default userStore;