import Yas from '../../../common/yas';

const yas = new Yas();

Page({
    data: {
        invocesType: 2
    },
    onLoad(options) {
        if (!options.skey) {
            return;
        }

        this.tryToDo(() => {
            let invoice = wx.getStorageSync(options.skey) || {};

            this.setData(invoice);
            this.defaultReceiver = invoice.reciver;
        });

        this.tryToDo(() => {
            wx.removeStorage({key: options.skey});
        });

        yas.pageOpenReport();
    },
    tryToDo(fn) {
        try {
            fn();
        } catch (e) {
            console.log(JSON.stringify(e));
        }
    },
    validateInvoceInfo() {
        const info = this.data || {};
        const receiver = this.defaultReceiver;
        let isPass = true;

        if (info.invoiceCompany && (!info.invoiceTitle || !info.taxNumber)) {
            isPass = false;
        }

        if (isPass && info.invocesType * 1 === 2) {
            if (!info.receiver) {
                isPass = false;
            } else if (info.receiver !== receiver && !/^[0-9]{11,18}$/.test(info.receiver)) {
                isPass = false;
            }
        }

        if (isPass !== this.data.canSubmit) {
            this.setData({canSubmit: isPass});
        }

        return isPass;
    },
    showInvoceNotice() {
        wx.showModal({
            title: '发票须知',
            content: '1、发票金额不含优惠券/有货币/红包/优惠券/优惠码/运费，只包含商品实付金额；\r\n2、电子发票是税务局认可的、有效的收付款凭证，其法律效力、基本用途及使用规则同纸质发票，如需纸质发票可自行下载打印；',
            confirmText:'我知道了',
            showCancel:false
        });
    },
    changeTitleType(e) {
        let isCompany = e.currentTarget.dataset.type === 'company';

        if (isCompany !== this.data.invoiceCompany) {
            this.setData({invoiceCompany: isCompany});
            this.validateInvoceInfo();
        }
    },
    changeTitle(e) {
        this.data.invoiceTitle = e.detail.value;
        this.validateInvoceInfo();
    },
    changeTaxNumber(e) {
        this.data.taxNumber = e.detail.value;
        this.validateInvoceInfo();
    },
    changeReceiver(e) {
        this.data.receiver = e.detail.value;
        this.validateInvoceInfo();
    },
    invoiceSubmit() {
        if (!this.validateInvoceInfo()) {
            return;
        }

        let currentPages = getCurrentPages();

        if (currentPages.length > 1 && currentPages[currentPages.length - 2].changeInvoiceCallback) {
            currentPages[currentPages.length - 2].changeInvoiceCallback(this.data);
        }

        wx.navigateBack({delta: 1});
    }
})