import { getCurrentRoute, showLog } from './utils.js'

// 用于存放页面相关信息
const map = new Map()

/* 保存页面进入时的时间及其它参数信息 */
function addTime() {
    const route = getCurrentRoute()
    if (!route || map.has(route.path)) return
    const currentTime = Date.now()
    const data = { time: currentTime, ...route }
    map.set(route.path, data)
    return data
}

/* 获取页面离开时的时间及其它参数信息 */
function getTime() {
    const route = getCurrentRoute()
    if (!map.has(route.path)) return
    const data = map.get(route.path)
    map.delete(route.path)
    return data
}

export default function(Vue, options = {}) {
    Vue.mixin({
        onLoad() {
            const res = addTime()
            if (!res) return
            if (typeof options.onEnter === 'function') {
                options.onEnter(res, map, showLog)
            }
        },
        onShow() {
            const res = addTime()
            if (!res) return
            if (typeof options.onEnter === 'function') {
                options.onEnter(res, map, showLog)
            }
        },
        onHide() {
            console.log('◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆onHide')
            const res = getTime()
            if (!res) return
            if (typeof options.onLeave === 'function') {
                options.onLeave(res, map, showLog)
            }
        },
        onUnload() {
            console.log('◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆onUnload')
            const res = getTime()
            if (!res) return
            if (typeof options.onLeave === 'function') {
                options.onLeave(res, map, showLog)
            }
        },
        beforeDestroy() {
            console.log('◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆beforeDestroy')
            const res = getTime()
            if (!res) return
            if (typeof options.onLeave === 'function') {
                options.onLeave(res, map, showLog)
            }
        }
    })
}