import { combineReducers } from 'redux'
import { omit } from 'lodash'
import { reducerWithInitialState } from 'typescript-fsa-reducers'

import * as actions from './actions'

const playbookList = reducerWithInitialState([])
  .case(actions.searchPlaybooksSuccess, (state, playbookList) => playbookList)

const searchPlaybooksStatus = reducerWithInitialState(actions.searchPlaybooks.toString())
  .casesWithAction([
    actions.searchPlaybooks,
    actions.searchPlaybooksSuccess,
    actions.searchPlaybooksPending,
    actions.searchPlaybooksFailed,
  ], (state, action) => action.type)

const emailsByTabId = reducerWithInitialState({} as any)
  .caseWithAction(actions.setSFEmails, (state, action: any) => {
    state[action._sender.tab.id] = action.payload.emails
    return state
  })
  .case(actions.clearState, (state, { tabId }) => omit(state, [tabId]))

const activeTabId = reducerWithInitialState(null)
  .caseWithAction(actions.setSFEmails, (state, action: any) => action._sender.tab.id)

const enrolledSequenceCount = reducerWithInitialState(0)
  .case(actions.fetchEnrolledSequenceCountSuccess, (state, count) => count)
  .case(actions.enrollSuccess, state => state + 1)

const fetchEnrolledSequenceCountStatus = reducerWithInitialState(actions.fetchEnrolledSequenceCount.toString())
  .casesWithAction([
    actions.fetchEnrolledSequenceCountSuccess,
    actions.fetchEnrolledSequenceCount,
    actions.fetchEnrolledSequenceCountPending,
    actions.fetchEnrolledSequenceCountFailed,
  ], (state, action) => action.type)

const enrollingPlaybookIdByTabId = reducerWithInitialState({} as any)
  .case(actions.enroll, (state, { tabId, playbookId }) => {
    state[tabId] = playbookId
    return state
  })
  .cases([
    actions.enrollFailed,
    actions.enrollSuccess,
    actions.clearState,
  ], (state, { tabId }) => omit(state, [tabId]))

const editingPlaybookIdByTabId = reducerWithInitialState({} as any)
  .case(actions.fetchPlaybookForEndUser, (state, { tabId, playbookId }) => {
    state[tabId] = playbookId
    return state
  })
  .cases([
    actions.fetchPlaybookForEndUserSuccess,
    actions.fetchPlaybookForEndUserFailed,
    actions.clearState,
  ], (state, { tabId }) => omit(state, [tabId]))

const playbookForEndUserByTabId = reducerWithInitialState({} as any)
  .case(actions.fetchPlaybookForEndUserSuccess, (state, { tabId, playbook }) => {
    state[tabId] = playbook
    return state
  })
  .case(actions.setPlaybookForEndUserSubject, (state, { tabId, index, subject }) => {
    const playbook = state[tabId]
    playbook.actions[0].action.emails[index].title = subject
    return state
  })
  .case(actions.setPlaybookForEndUserMessage, (state, { tabId, index, message }) => {
    const playbook = state[tabId]
    playbook.actions[0].action.emails[index].message = message
    return state
  })
  .case(actions.clearState, (state, { tabId }) => omit(state, [tabId]))

const enrollStatusByEmail = reducerWithInitialState({} as any)
  .casesWithAction([
    actions.enrollFailed,
    actions.enrollSuccess,
    actions.enrollPending,
  ], (state, action) => {
    state[action.payload.email] = action.type
    return state
  })
  .case(actions.clearState, (state, { emails }) => omit(state, emails))

const enrollErrorsByEmail = reducerWithInitialState({} as any)
  .case(actions.enrollFailed, (state, { email, error }) => {
    state[email] = error
    return state
  })
  .case(actions.clearState, (state, { emails }) => omit(state, emails))

const fetchPlaybookForEndUserStatusByTabId = reducerWithInitialState({} as any)
  .casesWithAction([
    actions.fetchPlaybookForEndUser,
    actions.fetchPlaybookForEndUserSuccess,
    actions.fetchPlaybookForEndUserPending,
    actions.fetchPlaybookForEndUserFailed,
  ], (state, action) => {
    state[action.payload.tabId] = action.type
    return state
  })

export default combineReducers({
  playbookList,
  searchPlaybooksStatus,
  emailsByTabId,
  enrolledSequenceCount,
  fetchEnrolledSequenceCountStatus,
  playbookForEndUserByTabId,
  fetchPlaybookForEndUserStatusByTabId,
  enrollErrorsByEmail,
  enrollStatusByEmail,
  enrollingPlaybookIdByTabId,
  editingPlaybookIdByTabId,
  activeTabId,
})