import { Action } from 'redux'

import { setEntities } from '../actions/entities'
import { startRequest, finishRequest } from '../actions/requests'
import { apiFetch } from '../api'
import { normalize } from '../utils/normalization'
import { AppThunkAction, Installation, RequestKey, EntityType, Settings } from '../types'

export interface SetInstallationsAction extends Action {
    type: 'COMPOSER_SET_INSTALLATIONS'
    payload: string[]
}

export interface SetSelectedInstallationAction extends Action {
    type: 'COMPOSER_SET_SELECTED_INSTALLATION'
    payload?: string
}

export interface SetHeightAction extends Action {
    type: 'COMPOSER_SET_HEIGHT',
    payload: number
}

export interface SetErrorAction extends Action {
    type: 'COMPOSER_SET_ERROR',
    payload?: string
}

export type ComposerActions = SetInstallationsAction | SetSelectedInstallationAction | SetHeightAction | SetErrorAction

export const setInstallations = (installations: string[]): SetInstallationsAction => ({
    type: 'COMPOSER_SET_INSTALLATIONS',
    payload: installations,
})

export const setSelectedInstallation = (installation?: string): SetSelectedInstallationAction => ({
    type: 'COMPOSER_SET_SELECTED_INSTALLATION',
    payload: installation,
})

export const setHeight = (height: number): SetHeightAction => ({
    type: 'COMPOSER_SET_HEIGHT',
    payload: height,
})

export const setError = (error?: string): SetErrorAction => ({
    type: 'COMPOSER_SET_ERROR',
    payload: error,
})

interface FetchInstallationsResponse {
    installations: Installation[]
}

export const fetchInstallations = (): AppThunkAction => async dispatch => {
    dispatch(startRequest(RequestKey.FetchInstallations))

    try {
        const response = await apiFetch<FetchInstallationsResponse>({
            path: '/v1/installations',
        })

        const result = normalize(response.installations, EntityType.Installation)

        dispatch(setEntities(result.entities))
        dispatch(setInstallations(result.keys))
        dispatch(finishRequest(RequestKey.FetchInstallations, true))
    } catch (err) {
        dispatch(finishRequest(RequestKey.FetchInstallations, false))
        throw err
    }
}

export const saveInstallationSettings = (id: string, settings: Settings): AppThunkAction => async dispatch => {
    dispatch(startRequest(RequestKey.UpdateInstallationSettings))

    try {
        await apiFetch({
            path: `/v1/installation/${id}/settings`,
            method: 'put',
            body: { settings },
        })

        dispatch(finishRequest(RequestKey.UpdateInstallationSettings, true))
    } catch (err) {
        dispatch(finishRequest(RequestKey.UpdateInstallationSettings, false))
        throw err
    }
}