import type { PageMetaDatum, SubPackages } from '@uni-helper/vite-plugin-uni-pages'
import { isMpWeixin } from '@uni-helper/uni-env'
import { pages, subPackages } from '@/pages.json'
import { changtime } from './directive'

export type PageInstance = Page.PageInstance<AnyObject, object> & { $page: Page.PageInstance<AnyObject, object> & { fullPath: string } }

export function getLastPage() {
    // getCurrentPages() 至少有1个元素，所以不再额外判断
    // const lastPage = getCurrentPages().at(-1)
    // 上面那个在低版本安卓中打包会报错，所以改用下面这个【虽然我加了 src/interceptions/prototype.ts，但依然报错】
    const pages = getCurrentPages()
    return pages[pages.length - 1] as PageInstance
}

/**
 * 获取当前页面路由的 path 路径和 redirectPath 路径
 * path 如 '/pages/login/login'
 * redirectPath 如 '/pages/demo/base/route-interceptor'
 */
export function currRoute() {
    const lastPage = getLastPage() as PageInstance
    if (!lastPage) {
        return {
            path: '',
            query: {},
        }
    }
    const currRoute = lastPage.$page
    // console.log('lastPage.$page:', currRoute)
    // console.log('lastPage.$page.fullpath:', currRoute.fullPath)
    // console.log('lastPage.$page.options:', currRoute.options)
    // console.log('lastPage.options:', (lastPage as any).options)
    // 经过多端测试，只有 fullPath 靠谱，其他都不靠谱
    const { fullPath } = currRoute
    // console.log(fullPath)
    // eg: /pages/login/login?redirect=%2Fpages%2Fdemo%2Fbase%2Froute-interceptor (小程序)
    // eg: /pages/login/login?redirect=%2Fpages%2Froute-interceptor%2Findex%3Fname%3Dfeige%26age%3D30(h5)
    return parseUrlToObj(fullPath)
}

export function ensureDecodeURIComponent(url: string) {
    if (url.startsWith('%')) {
        return ensureDecodeURIComponent(decodeURIComponent(url))
    }
    return url
}
/**
 * 解析 url 得到 path 和 query
 * 比如输入url: /pages/login/login?redirect=%2Fpages%2Fdemo%2Fbase%2Froute-interceptor
 * 输出: {path: /pages/login/login, query: {redirect: /pages/demo/base/route-interceptor}}
 */
export function parseUrlToObj(url: string) {
    const [path, queryStr] = url.split('?')
    // console.log(path, queryStr)

    if (!queryStr) {
        return {
            path,
            query: {},
        }
    }
    const query: Record<string, string> = {}
    queryStr.split('&').forEach((item) => {
        const [key, value] = item.split('=')
        // console.log(key, value)
        query[key] = ensureDecodeURIComponent(value) // 这里需要统一 decodeURIComponent 一下，可以兼容h5和微信y
    })
    return { path, query }
}
/**
 * 得到所有的需要登录的 pages，包括主包和分包的
 * 这里设计得通用一点，可以传递 key 作为判断依据，默认是 excludeLoginPath, 与 route-block 配对使用
 * 如果没有传 key，则表示所有的 pages，如果传递了 key, 则表示通过 key 过滤
 */
export function getAllPages(key?: string) {
    // 这里处理主包
    const mainPages = (pages as PageMetaDatum[])
        .filter(page => !key || page[key])
        .map(page => ({
            ...page,
            path: `/${page.path}`,
        }))

    // 这里处理分包
    const subPages: PageMetaDatum[] = []
        ; (subPackages as SubPackages).forEach((subPageObj) => {
            // console.log(subPageObj)
            const { root } = subPageObj

            subPageObj.pages
                .filter(page => !key || page[key])
                .forEach((page) => {
                    subPages.push({
                        ...page,
                        path: `/${root}/${page.path}`,
                    })
                })
        })
    const result = [...mainPages, ...subPages]
    // console.log(`getAllPages by ${key} result: `, result)
    return result
}

export function getCurrentPageI18nKey() {
    const routeObj = currRoute()
    const currPage = (pages as PageMetaDatum[]).find(page => `/${page.path}` === routeObj.path)
    if (!currPage) {
        console.warn('路由不正确')
        return ''
    }
    console.log(currPage)
    console.log(currPage.style.navigationBarTitleText)
    return currPage.style?.navigationBarTitleText || ''
}

/**
 * 根据微信小程序当前环境，判断应该获取的 baseUrl
 */
export function getEnvBaseUrl() {
    // 请求基准地址
    let baseUrl = import.meta.env.VITE_SERVER_BASEURL

    // # 有些同学可能需要在微信小程序里面根据 develop、trial、release 分别设置上传地址，参考代码如下。
    const VITE_SERVER_BASEURL__WEIXIN_DEVELOP = 'http://192.168.1.28:8082/jeecg-boot'
    const VITE_SERVER_BASEURL__WEIXIN_TRIAL = 'http://192.168.1.28:8082/jeecg-boot'
    const VITE_SERVER_BASEURL__WEIXIN_RELEASE = 'http://192.168.1.28:8082/jeecg-boot'

    // 微信小程序端环境区分
    if (isMpWeixin) {
        const {
            miniProgram: { envVersion },
        } = uni.getAccountInfoSync()

        switch (envVersion) {
            case 'develop':
                baseUrl = VITE_SERVER_BASEURL__WEIXIN_DEVELOP || baseUrl
                break
            case 'trial':
                baseUrl = VITE_SERVER_BASEURL__WEIXIN_TRIAL || baseUrl
                break
            case 'release':
                baseUrl = VITE_SERVER_BASEURL__WEIXIN_RELEASE || baseUrl
                break
        }
    }

    return baseUrl
}

/**
 * 是否是双token模式
 */
export const isDoubleTokenMode = import.meta.env.VITE_AUTH_MODE === 'double'

/**
 * 首页路径，通过 page.json 里面的 type 为 home 的页面获取，如果没有，则默认是第一个页面
 * 通常为 /pages/index/index
 */
export const HOME_PAGE = `/${(pages as PageMetaDatum[]).find(page => page.type === 'home')?.path || (pages as PageMetaDatum[])[0].path}`

// 导出时间格式化函数
export { changtime }