// 专门写一些 在不同页面的公共方法
const util = require('./util')
const CryptoJS = require("./crypto-js.js");

// 列表页 的 公共 点击获取 广告详情
function getOfferAdDetails(id) {
    util.wxpost('/miniprogramApi/offer/ads/details', {
        id
    }).then(res => {
        if (res.code != 200) return
        let data = res.data
        if (!data.url) return
        let url = encodeURIComponent(data.url)
        wx.navigateTo({
            url: `/pages/webview/webview?url=${url}`,
        })
    })
}

// 公共跳转页面
function goPage(url) {
    wx.navigateTo({
        url,
        fail: function (err) {
            if (err.errMsg = "navigateTo:fail webview count limit exceed") {
                wx.redirectTo({
                    url,
                })
            }
        }
    })
}

// 
function toast(title) {
    wx.showToast({
        icon: "none",
        title,
    })
}

// isindex 是经过首页要更新一下
function xgBasicData(that, app, isindex = false) {
    return new Promise(resolve => {
        if (app.globalData.basicDataState && !isindex) {
            const basicData = app.globalData.basicData || {}
            resolve(basicData)
            return
        }

        util.wxget("/api/project.home/basicData").then(res => {
            if (res.code != 200) return
            const data = res.data
            const basicData = {
                contrastcount: data.contrastcount || 0,
                university: data.university,
                discipline: data.discipline,
                rankings: data.rankings,
                encodekey: data.encodekey,
            }

            resolve(basicData)

            app.globalData.basicData = basicData
            app.globalData.basicDataState = true
        })
    })
}

function formatNumberWithSpaces(number) {
    if (typeof number != 'string') number = ''
    return number.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
}

function decodeKey(encrypted, key) {
    return new Promise((resolve, reject) => {
        try {
            const app = getApp()
            var decodekey = app.globalData.basicData.encodekey
            const encryptedData = CryptoJS.enc.Base64.parse(encrypted)
            const decrypted = CryptoJS.AES.decrypt({
                ciphertext: encryptedData
            }, CryptoJS.enc.Utf8.parse(decodekey), {
                mode: CryptoJS.mode.ECB,
                padding: CryptoJS.pad.Pkcs7,
            })
            const text = JSON.parse(decrypted.toString(CryptoJS.enc.Utf8))
            resolve(text)
        } catch (error) {
            reject()
        }
    })
}

const scoresList = scores => {
    return scores
        .map(element => {
            let text = ""
            if (["GMAT", "GMAT Focus Edition"].includes(element.name_zh)) text = `Verbal Reasoning ${element.verbal_reasoning} 分以上`
            else if (["IELTS Academic", "TOEFL-iBT", "TOEFL-pBT"].includes(element.name_en)) {
                const fields = {
                    total: "总分",
                    reading: "阅读",
                    speaking: "口语",
                    writing: "写作",
                    listening: "听力",
                }

                let scores = [element.reading, element.speaking, element.writing, element.listening]

                if (scores.length == 4 && scores.every(score => score !== undefined && score > 0 && score === scores[0])) text = `总分 ${element.total} 分以上，各项分数不低于 ${scores[0]} 分`
                else {
                    for (const [key, label] of Object.entries(fields)) {
                        if (element[key]) text += `${label} ${element[key]} 分以上、`
                    }
                    if (text.endsWith("、")) text = text.slice(0, -1)
                }

            } else if (element.total && element.total == 'Pass') text = `等级 ${element.total}`
            else if (element.total && /^[A-Za-z]+$/.test(element.total)) text = `等级 ${element.total} 以上`
            else if (element.total) text = `总分 ${element.total} 分以上`
            return text ? {
                name: element.name_zh,
                text
            } : null
        })
        .filter(item => item !== null)
}

module.exports = {
    getOfferAdDetails,
    goPage,
    toast,
    xgBasicData,
    formatNumberWithSpaces,
    decodeKey,
    scoresList,
}