import Vue from 'vue'
import VueRouter from 'vue-router'
import EditNote from '@/views/EditNote.vue'
import ViewNote from '@/views/ViewNote.vue'
import ErrorView from '@/views/ErrorView.vue'
import BlankNote from '@/views/BlankNote.vue'
import { getKeyMeta, getNoteMeta } from "@/api/note";
import { getStoreKey } from "@/api/lock";
import storage from "@/libs/storage";

Vue.use(VueRouter)

let keyMeta = null;

function getNoteView() {
    let path = location.pathname;
    if (null != keyMeta) {
        path = "/" + keyMeta.key;
    }

    let reg = /^\/[abcdefhikmnopqstuvwxyz23456789]{16}$/
    if (!reg.test(path)) {
        return;
    }

    let key = path.substr(1, path.length - 1);

    let storeKey = getStoreKey(key);
    if (keyMeta && keyMeta.cipher) {
        storage.session.setObject(storeKey + '.keyMeta', keyMeta);
        return EditNote;
    }

    let noteMeta = null;
    noteMeta = getNoteMeta(key);
    if (!noteMeta || !noteMeta.key) {
        let storeText = storage.local.getText(storeKey + '.text');
        if(storeText){
            return EditNote;
        }else{
            return BlankNote;
        }
    }

    storage.session.setObject(storeKey + '.noteMeta', noteMeta);
    return ViewNote;
}


function getHomeRedirect() {
    let path = location.pathname;
    if (path != '/') {
        return;
    }
    let km = getKeyMeta();
    km.isNew = true;
    //sessionStorage.setItem(km.getKey() + '.keyMeta', km);
    keyMeta = km;
    return '/' + keyMeta.key;
}


const routes = [
    {
        path: '/',
        name: 'home',
        redirect: getHomeRedirect(),
    },
    {
        path: '/error',
        name: 'error',
        component: ErrorView,
    },
    {
        path: '/:name([abcdefhikmnopqstuvwxyz23456789]{16})',
        name: 'note',
        component: getNoteView(),
    }
]

const router = new VueRouter({
    routes,
    mode: 'history'
})

export default router