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path: root/app/client/modules/samplernn/samplernn.reducer.js
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import types from '../../types'

const samplernnInitialState = {
  loading: true,
  progress: { i: 0, n: 0 },
  error: null,
  folders: [],
  folder_id: 0,
  data: null,
  lossReport: null,
}

const samplernnReducer = (state = samplernnInitialState, action) => {
  // console.log(action.type)
  switch(action.type) {
    case types.samplernn.init:
      return {
        ...state,
        loading: false,
        data: action.data,
      }

    case types.socket.connect:
      return {
        ...state,
      }

    case types.task.task_begin:
      return {
        ...state,
      }

    case types.task.task_finish:
      return {
        ...state,
      }

    // so now the last thing is to figure out how to access things inside these datasets
    // and rebuild them if need be, considering this is SUPER awkward inside of redux.
    
    case types.folder.create:
      if (action.data.module === 'samplernn') {
        return {
          ...state,
          loading: false,
          data: {
            folders: state.data.folders.concat([action.data.id]),
            folderLookup: {
              ...state.data.folderLookup,
              [action.data.id]: action.data,
            }
          },
          folder: {
            ...action.data,
            datasets: [],
            files: [],
          },
        }
      }
      return state

    case types.file.create:
    case types.folder.upload_complete:
      if (action.data.module === 'samplernn') {
        console.log(action.data)
        let dataset, old_dataset, folder, old_folder
        const dataset_name = action.data.name.split('.')[0]
        if (dataset_name in state.data.datasets) {
          old_dataset = state.data.datasets[dataset_name]
          dataset = {
            ...old_dataset,
            input: action.data.generated ? old_dataset.input : [action.data.id].concat(old_dataset.input),
            output: !action.data.generated ? old_dataset.output : [action.data.id].concat(old_dataset.output),
          }
        } else {
          dataset = {
            name: dataset_name,
            date: action.data.created_at || action.data.date,
            input: action.data.generated ? [] : [action.data.id],
            checkpoints: [],
            output: !action.data.generated ? [] : [action.data.id],
          }
        }
        old_folder = state.data.folderLookup[action.data.folder_id]
        folder = {
          ...old_folder,
          files: old_folder.files.concat([action.data.id])
        }
        return {
          ...state,
          loading: false,
          data: {
            ...state.data,
            files: state.data.files.concat([action.data.id]),
            folderLookup: {
              ...state.data.folderLookup,
              [action.data.folder_id]: folder,
            },
            fileLookup: {
              ...state.data.fileLookup,
              [action.data.id]: action.data,
            },
            datasetLookup: {
              ...state.data.datasetLookup,
              [dataset_name]: dataset,
            },
          }
        }
      }
      return state

    case types.file.update:
      if (action.data.module === 'samplernn') {
        return {
          ...state,
          loading: false,
          data: {
            ...state.data,
            fileLookup: {
              ...state.data.fileLookup,
              [action.data.id]: action.data,
            }
          }
        }
      }
      return state

    case types.file.destroy:
      if (action.data.module === 'samplernn') {
        // delete 
        const { [action.data.id]: removedFile, ...fileLookup } = state.data.fileLookup
        return {
          ...state,
          loading: false,
          data: {
            ...state.data,
            fileLookup,
          }
        }
      }
      return state

    case types.socket.status:
      return samplernnSocket(state, action.data)

    case types.samplernn.set_folder:
      return {
        ...state,
        folder_id: action.folder_id,
      }

    case types.samplernn.load_loss:
      return {
        ...state,
        lossReport: action.lossReport,
      }

    case types.app.load_progress:
      return {
        ...state,
        progress: action.progress
      }

    default:
      return state
  }
}

const samplernnSocket = (state, action) => {
  console.log(action)
  switch (action.key) {
    case 'list_directory':
      return state
    default:
      return state
  }
}

export default samplernnReducer