import * as Constants from '../../constants';
import {createReducer} from 'redux-starter-kit';
import {
  addRemoteMount2,
  DISPLAY_CONFIGURATION,
  removeRemoteMount3,
  RESET_MOUNTS_STATE,
  SET_ALLOW_MOUNT,
  SET_AUTO_MOUNT_PROCESSED,
  setBusy,
  SET_MOUNT_STATE,
  SET_MOUNTED,
  SET_PROVIDER_STATE
} from '../actions/mount_actions';

export const createMountReducer = state => {
  let providerList = [
    ...Constants.PROVIDER_LIST,
    ...(state.RemoteMounts||[]),
  ];
  const providerState = providerList.map(provider=> {
    return {
      [provider]: {
        AutoMount: false,
        AutoRestart: false,
        MountLocation: '',
      }
    }
  }).reduce((map, obj) => {
    return {
      ...map,
      ...obj
    }
  });

  const mountState = providerList.map(provider => {
    return {
      [provider]: {
        AllowMount: false,
        DriveLetters: [],
        Mounted: false,
      }
    }
  }).reduce((map, obj) => {
    return {
      ...map,
      ...obj
    }
  });

  const autoMountProcessed = providerList.map(provider => {
    return {
      [provider]: false,
    }
  }).reduce((map, obj) => {
    return {
      ...map,
      ...obj
    }
  });

  return createReducer({
    AutoMountProcessed: autoMountProcessed,
    DisplayConfiguration: null,
    DisplayRemoteConfiguration: false,
    MountsBusy: false,
    MountState: mountState,
    ProviderState: providerState,
    RemoteMounts: state.RemoteMounts ? state.RemoteMounts : [],
  }, {
    [addRemoteMount2]: (state, action) => {
      let mountState = {...state.MountState};
      mountState[action.payload] = {
        AllowMount: false,
        DriveLetters: [],
        Mounted: false,
      };

      let providerState = {...state.ProviderState};
      providerState[action.payload] = {
        AutoMount: false,
        AutoRestart: false,
        MountLocation: '',
      };

      let autoMountProcessed = {...state.AutoMountProcessed};
      autoMountProcessed[action.payload] = true;

      return {
        ...state,
        AutoMountProcessed: autoMountProcessed,
        MountState: mountState,
        ProviderState: providerState,
        RemoteMounts: [...state.RemoteMounts, action.payload],
      }
    },
    [DISPLAY_CONFIGURATION]: (state, action) => {
      return {
        ...state,
        DisplayConfiguration: action.payload.provider,
        DisplayRemoteConfiguration: action.payload.remote,
      };
    },
    [removeRemoteMount3]: (state, action) => {
      let mountState = {...state.MountState};
      delete mountState[action.payload];

      let providerState = {...state.ProviderState};
      delete providerState[action.payload];

      let autoMountProcessed = {...state.AutoMountProcessed};
      delete autoMountProcessed[action.payload];

      const remoteMounts = state.RemoteMounts.filter(i => i !== action.payload);
      return {
        ...state,
        AutoMountProcessed: autoMountProcessed,
        MountState: mountState,
        ProviderState: providerState,
        RemoteMounts: remoteMounts,
      };
    },
    [RESET_MOUNTS_STATE]: (state, action) => {
      return {
        ...state,
        MountsBusy: false,
        MountState: mountState,
      }
    },
    [SET_AUTO_MOUNT_PROCESSED]: (state, action) => {
      return {
        ...state,
        AutoMountProcessed: {
          ...state.AutoMountProcessed,
          [action.payload.provider]: action.payload.processed,
        }
      };
    },
    [SET_ALLOW_MOUNT]: (state, action) => {
      return {
        ...state,
        MountState: {
          ...state.MountState,
          [action.payload.provider]: {
            ...state.MountState[action.payload.provider],
            AllowMount: action.payload.allow,
          }
        }
      };
    },
    [setBusy]: (state, action) => {
      return {
        ...state,
        MountsBusy: action.payload
      };
    },
    [SET_MOUNT_STATE]: (state, action) => {
      return {
        ...state,
        MountState: {
          ...state.MountState,
          [action.payload.provider]: {
            ...state.MountState[action.payload.provider],
            ...action.payload.state
          },
        }
      };
    },
    [SET_MOUNTED]: (state, action) => {
      return {
        ...state,
        MountState: {
          ...state.MountState,
          [action.payload.provider]: {
            ...state.MountState[action.payload.provider],
            Mounted: action.payload.mounted,
          }
        }
      };
    },
    [SET_PROVIDER_STATE]: (state, action) => {
      return {
        ...state,
        ProviderState: {
          ...state.ProviderState,
          [action.payload.provider]: {
            ...state.ProviderState[action.payload.provider],
            ...action.payload.state
          },
        }
      };
    }
  });
};