import {createStore} from 'vuex'
import {
	BACKGROUND,
	CURRENT_LIST,
	HAS_TASKS,
	KEYBOARD_SHORTCUTS_ACTIVE,
	LOADING,
	LOADING_MODULE,
	MENU_ACTIVE,
	QUICK_ACTIONS_ACTIVE,
} from './mutation-types'
import config from './modules/config'
import auth from './modules/auth'
import namespaces from './modules/namespaces'
import kanban from './modules/kanban'
import tasks from './modules/tasks'
import lists from './modules/lists'
import attachments from './modules/attachments'
import labels from './modules/labels'

import ListService from '../services/list'
import {checkAndSetApiUrl} from '@/helpers/checkAndSetApiUrl'

export const store = createStore({
	strict: import.meta.env.DEV,
	modules: {
		config,
		auth,
		namespaces,
		kanban,
		tasks,
		lists,
		attachments,
		labels,
	},
	state: {
		loading: false,
		loadingModule: null,
		// This is used to highlight the current list in menu for all list related views
		currentList: {
			id: 0,
			isArchived: false,
		},
		background: '',
		hasTasks: false,
		menuActive: true,
		keyboardShortcutsActive: false,
		quickActionsActive: false,
		vikunjaReady: false,
	},
	mutations: {
		[LOADING](state, loading) {
			state.loading = loading
		},
		[LOADING_MODULE](state, module) {
			state.loadingModule = module
		},
		[CURRENT_LIST](state, currentList) {
			// Server updates don't return the right. Therefore the right is reset after updating the list which is
			// confusing because all the buttons will disappear in that case. To prevent this, we're keeping the right
			// when updating the list in global state.
			if (typeof state.currentList.maxRight !== 'undefined' && (typeof currentList.maxRight === 'undefined' || currentList.maxRight === null)) {
				currentList.maxRight = state.currentList.maxRight
			}
			state.currentList = currentList
		},
		[HAS_TASKS](state, hasTasks) {
			state.hasTasks = hasTasks
		},
		[MENU_ACTIVE](state, menuActive) {
			state.menuActive = menuActive
		},
		toggleMenu(state) {
			state.menuActive = !state.menuActive
		},
		[KEYBOARD_SHORTCUTS_ACTIVE](state, active) {
			state.keyboardShortcutsActive = active
		},
		[QUICK_ACTIONS_ACTIVE](state, active) {
			state.quickActionsActive = active
		},
		[BACKGROUND](state, background) {
			state.background = background
		},
		vikunjaReady(state, ready) {
			state.vikunjaReady = ready
		},
	},
	actions: {
		async [CURRENT_LIST]({state, commit}, currentList) {

			if (currentList === null) {
				commit(CURRENT_LIST, {})
				commit(BACKGROUND, null)
				return
			}

			// Not sure if this is the right way to do it but hey, it works
			if (
				// List changed
				currentList.id !== state.currentList.id ||
				// The current list got a new background and didn't have one previously
				(
					currentList.backgroundInformation &&
					!state.currentList.backgroundInformation
				) ||
				// The current list got a new background and had one previously
				(
					currentList.backgroundInformation &&
					currentList.backgroundInformation.unsplashId &&
					state.currentList &&
					state.currentList.backgroundInformation &&
					state.currentList.backgroundInformation.unsplashId &&
					currentList.backgroundInformation.unsplashId !== state.currentList.backgroundInformation.unsplashId
				) ||
				// The new list has a background which is not an unsplash one and did not have one previously
				(
					currentList.backgroundInformation &&
					currentList.backgroundInformation.type &&
					state.currentList &&
					state.currentList.backgroundInformation &&
					state.currentList.backgroundInformation.type
				)
			) {
				if (currentList.backgroundInformation) {
					try {
						const listService = new ListService()
						const background = await listService.background(currentList)
						commit(BACKGROUND, background)
					} catch(e) {
						console.error('Error getting background image for list', currentList.id, e)
					}
				}
			}

			if (typeof currentList.backgroundInformation === 'undefined' || currentList.backgroundInformation === null) {
				commit(BACKGROUND, null)
			}

			commit(CURRENT_LIST, currentList)
		},
		async loadApp({commit, dispatch}) {
			await checkAndSetApiUrl(window.API_URL)
			await dispatch('auth/checkAuth')
			commit('vikunjaReady', true)
		},
	},
})