import { firestore, fireStorage } from '../firebase.js';

export const UPDATE_ADMIN           = 'UPDATE_ADMIN';
export const UPDATE_ADMIN_REQUESTS  = 'UPDATE_ADMIN_REQUESTS';
export const UPDATE_ADMIN_COMP_LIST = 'UPDATE_ADMIN_COMP_LIST';

export const updateAdmin = () => {
  return {
    type:     UPDATE_ADMIN,
    payload:  true
  }
}

export const updateAdminRequests = (requests) => {
  return {
    type:     UPDATE_ADMIN_REQUESTS,
    payload:  requests
  }
}

export const updateAdminCompList = (compList) => {
  return {
    type:     UPDATE_ADMIN_COMP_LIST,
    payload:  compList
  }
}

//Middleware to update dispatches

export const adminControls = () => (dispatch) => {
  dispatch(updateAdmin());
  dispatch(snapshotAdminRequests());
  dispatch(snapshotAdminCompList());
}

export const snapshotAdminRequests = () => (dispatch) => {
  var docRef    = firestore.collection('requests');
  docRef.onSnapshot((querySnapshot) => {
    var requestList = [];
    querySnapshot.forEach((doc) => {
      requestList.push({
        ...doc.data(),
        docId: doc.id
      });
    });
    dispatch(updateAdminRequests(requestList));
  });
}

export const snapshotAdminCompList = () => (dispatch) => {
  var docRef  = firestore.collection('competitions');
  docRef.onSnapshot((querySnapshot) => {
    var compList = [];
    querySnapshot.forEach((doc) => {
      var divisonData = [];
      for(var i = 0; i < doc.data().uids.length; i++) {
        var docRefDivison = firestore.collection('users').doc(doc.data().uids[i]);
        docRefDivison.get().then((docUser) => {
          divisonData.push(docUser.data().divison);
        });
      }
      compList.push({
        ...doc.data(),
        name:     doc.id,
        divisons: divisonData
      });
    });
    dispatch(updateAdminCompList(compList));
  });
}

export const adminRejectHours = (_id, _path) => (dispatch) => {
  dispatch(adminDeleteRequest(_id, _path));
}

export const adminDeleteRequest = (_id, _path) => (dispatch) => {
  var docRef  = firestore.collection('requests').doc(_id);
  docRef.delete().then(() => {
    var fireStorageRef  = fireStorage.ref().child(_path);
    fireStorageRef.delete().then(() => {
    });
  });
}

//User triggered events dispatching to middleware

export const adminListener = () => (dispatch) => {
  document.onkeyup = function(e) {
    if(e.altKey && e.which == 65) {
      var docRef  = firestore.collection('keys').doc('adminKey');
      docRef.get().then((doc) => {
        if(prompt('Enter admin password') == doc.data().password) {
          dispatch(adminControls());
        }
      });
    }
  }
}

export const adminApproveHours = (_uid, _time, _id, _path) => (dispatch) => {
  var docRef    = firestore.collection('users').doc(_uid);
  docRef.get().then((doc) => {
    if(doc.exists) {
        docRef.update({
          hours:  (doc.data().hours + _time)
        }).catch((error) => {
          alert(error);
        });
    }
  });
  dispatch(adminDeleteRequest(_id, _path));
}