<template>
    <view>
        <!-- 选择支付方式弹窗 -->
        <uni-popup ref="choosePaymentPopup" type="center" v-if="payInfo" :mask-click="false">
            <view class="choose-payment-popup popup" @touchmove.prevent.stop>
                <view class="popup-header">
                    <text class="tit">支付方式-测试</text>
                    <text class="iconfont icon-close" @click="close()"></text>
                </view>
                <scroll-view scroll-y="true" class="popup-body">
                    <view class="pay-money">
                        <text class="money">支付金额{{ payMoney | moneyFormat }}元</text>
                    </view>

                    <view class="payment-item" v-if="balanceDeduct > 0 && balanceUsable && balanceConfig == 1">
                        <view class="iconfont icon-yue"></view>
                        <view class="info-wrap">
                            <text class="name">余额抵扣</text>
                            <view class="money">可用¥{{ balanceDeduct | moneyFormat }}</view>
                        </view>
                        <ns-switch class="balance-switch" @change="useBalance" :checked="isBalance == 1"></ns-switch>
                    </view>
                    <block v-if="payMoney > 0">
                        <block v-if="payTypeList.length">
                            <block v-for="(item, index) in payTypeList">
                                <view v-if="offlineShow || item.type != 'offlinepay'" class="payment-item" :key="index"
                                    @click="payIndex = index">
                                    <view class="iconfont" :class="item.icon"></view>
                                    <text class="name">{{ item.name }}</text>
                                    <text class="iconfont"
                                        :class="payIndex == index ? 'icon-yuan_checked color-base-text' : 'icon-checkboxblank'"></text>
                                </view>
                            </block>
                        </block>
                        <block v-else>
                            <view class="empty">平台尚未配置支付方式！</view>
                        </block>
                    </block>
                </scroll-view>
                <view class="popup-footer">
                    <view class="confirm-btn color-base-bg" @click="confirm()">确认支付</view>
                </view>
            </view>
        </uni-popup>
    </view>
</template>

<!-- 新版支付组件 订单表为order表 的订单支付时使用该组件 -->
<script>
import uniPopup from '@/components/uni-popup/uni-popup.vue';
import nsSwitch from '@/components/ns-switch/ns-switch.vue';

// #ifdef H5
import { Weixin } from 'common/js/wx-jssdk.js';
// #endif

// ========== 引入三端支付工具类（核心：适配官方规范） ==========
import { getWechatPay } from '@/utils/wechat-pay.js';
import { getAlipayPay } from '@/utils/alipay-pay.js';
import { getHuaweiPay } from '@/utils/huawei-pay.js';

export default {
    name: 'payment',
    components: {
        uniPopup,
        nsSwitch
    },
    props: {
        // 是否可用余额支付
        balanceUsable: {
            type: Boolean,
            default: true
        },
    },
    data() {
        return {
            payIndex: 0,
            payTypeList: [
                // 所有端都显示微信支付
                {
                    name: '微信支付',
                    icon: 'icon-weixin1',
                    type: 'wechatpay'
                },
                // 所有端都显示支付宝支付
                {
                    name: '支付宝支付',
                    icon: 'icon-zhifubaozhifu-',
                    type: 'alipay'
                },
                // 所有端都显示华为支付
                {
                    name: '华为支付',
                    icon: 'icon-zhekou',
                    type: 'huaweipay'
                },
                {
                    name: '线下支付',
                    icon: 'icondiy icon-yuezhifu',
                    type: 'offlinepay'
                },
            ],
            // #ifdef H5 
            timer: null,
            // #endif
            payInfo: null,
            balanceConfig: 0,
            // 预售页面判断
            sale: true,
            isBalance: 0,
            balance: 0,
            //重置是否已完成，没有完成不能调用api/pay/pay
            resetPayComplete: true,
            repeatFlag: false,
            // ========== 支付工具类实例 ==========
            wechatPay: null,
            alipayPay: null,
            huaweiPay: null
        };
    },
    created(e) {
        this.getPayType();
        if (this.balanceUsable) this.getBalanceConfig();
        // ========== 初始化三端支付工具类（填写官方申请的参数） ==========
        this.initPayUtils();
    },
    computed: {
        balanceDeduct() {
            let money = 0;
            if (this.payInfo && this.balance) {
                money = this.balance > this.payInfo.pay_money ? this.payInfo.pay_money : this.balance;
            }
            return money;
        },
        payMoney() {
            let money = 0;
            if (this.payInfo) {
                money = this.payInfo.pay_money;
                if (this.balanceDeduct && this.isBalance && this.balanceUsable) {
                    money = this.payInfo.pay_money - this.balanceDeduct;
                }
            }
            return money;
        },
        offlineShow() {
            // 获取当前页面栈实例数组
            const pages = getCurrentPages();
            const currentPage = pages[pages.length - 1];
            // 获取页面路由路径
            let routePath = currentPage.route;
            return this.$store.state.offlineWhiteList.length ? this.$store.state.offlineWhiteList.includes(routePath) : false
        }
    },
    methods: {
        // ========== 初始化支付工具类（核心：配置官方参数） ==========
        initPayUtils() {
            // 微信支付初始化（替换为你的微信官方参数）
            this.wechatPay = getWechatPay({
                appId: '你的微信小程序/AppID', // 微信开放平台/AppID
                merchantId: '你的微信商户号', // 微信支付商户号
                apiKey: '你的微信API密钥', // 微信支付API密钥（商户平台获取）
                privateKey: '你的微信RSA私钥', // 商户私钥
                publicKey: '微信支付公钥' // 微信支付公钥
            });

            // 支付宝支付初始化（替换为你的支付宝官方参数）
            this.alipayPay = getAlipayPay({
                appId: '你的支付宝AppID', // 支付宝开放平台/AppID
                merchantId: '你的支付宝商户号', // 支付宝支付商户号
                privateKey: '你的支付宝RSA2私钥', // RSA2私钥
                alipayPublicKey: '支付宝公钥' // 支付宝公钥
            });

            // 华为支付初始化（替换为你的华为官方参数）
            this.huaweiPay = getHuaweiPay({
                appId: '你的华为AppID', // 华为开发者联盟AppID
                merchantId: '你的华为商户号', // 华为支付商户号
                publicKey: '华为支付公钥', // 华为支付公钥
                privateKey: '你的华为商户私钥', // 华为商户私钥
                env: 'sandbox' // 测试环境：sandbox，生产环境：production
            });
        },
        /**
         * 父级页面onShow调用
         */
        pageShow() {
            if (this.payInfo) {
                let offlinepay = uni.getStorageSync('offlinepay');
                if (offlinepay) {
                    uni.removeStorageSync('offlinepay');
                    this.close()
                }
            } else {
                uni.removeStorageSync('offlinepay');
            }
        },
        close() {
            this.$emit('close');
            this.$refs.choosePaymentPopup.close();
        },
        // 使用余额
        useBalance() {
            this.isBalance = this.isBalance ? 0 : 1;
            this.$emit('useBalance', this.isBalance)
        },
        confirm() {
            if (this.payTypeList.length == 0 && this.payMoney > 0) {
                this.$util.showToast({
                    title: '请选择支付方式！'
                });
                return;
            }
            if (this.resetPayComplete == false) {
                this.$util.showToast({
                    title: '支付取消中，请稍后再试！'
                });
                return;
            }
            uni.showLoading({
                title: '支付中...',
                mask: true
            });
            if (this.repeatFlag) return;
            this.repeatFlag = true;
            this.pay();
            uni.setStorageSync('pay_flag', 1);
        },
        getPayInfo(out_trade_no, callback) {
            this.$api.sendRequest({
                url: '/api/pay/info',
                data: {
                    out_trade_no
                },
                success: res => {
                    if (res.code >= 0 && res.data) {
                        this.payInfo = res.data;
                        if (this.balanceConfig && this.balanceUsable) this.getMemberBalance();
                        setTimeout(() => {
                            this.$refs.choosePaymentPopup.open();
                            if (typeof callback == 'function') callback();
                        })
                    } else {
                        this.$util.showToast({
                            title: '未获取到支付信息！'
                        });
                    }
                }
            });
        },
        /**
         * 获取余额配置
         */
        getBalanceConfig() {
            this.$api.sendRequest({
                url: '/api/pay/getBalanceConfig',
                data: {},
                success: res => {
                    this.balanceConfig = res.data.balance_show;
                }
            });
        },
        /**
         * 获取用户余额
         */
        getMemberBalance() {
            this.$api.sendRequest({
                url: '/api/memberaccount/usablebalance',
                success: res => {
                    if (res.code == 0 && res.data) {
                        this.balance = parseFloat(res.data.usable_balance);
                    }
                }
            })
        },
        /**
         * 查询支付方式
         */
        getPayType() {
            this.$api.sendRequest({
                url: '/api/pay/type',
                success: res => {
                    if (res.code == 0) {
                        if (res.data.pay_type == '') {
                            this.payTypeList = [];
                        } else {
                            this.payTypeList = this.payTypeList.filter((val, key) => {
                                return res.data.pay_type.indexOf(val.type) != -1
                            });
                        }
                    }
                }
            });
        },
        // #ifdef H5
        pay() {
            var payType = this.payTypeList[this.payIndex];
            var return_url = '';
            if (this.payInfo.event == 'BlindboxGoodsOrderPayNotify') {
                return_url = '/pages_promotion/blindbox/index?outTradeNo=';
            } else {
                return_url = '/pages_tool/pay/result?code=';
            }
            this.$api.sendRequest({
                url: '/api/pay/pay',
                data: {
                    out_trade_no: this.payInfo.out_trade_no,
                    pay_type: payType ? payType.type : '',
                    return_url: encodeURIComponent(this.$config.h5Domain + return_url + this.payInfo.out_trade_no),
                    is_balance: this.isBalance
                },
                success: async res => { // 新增async支持异步调用
                    uni.hideLoading();
                    if (res.code >= 0) {
                        if (res.data.pay_success) {
                            this.paySuccess();
                            return;
                        }
                        switch (payType.type) {
                            // ========== 支付宝支付（H5端，符合官方RSA2规范） ==========
                            case 'alipay':
                                try {
                                    this.repeatFlag = false;
                                    const orderInfo = {
                                        outTradeNo: this.payInfo.out_trade_no,
                                        productName: '订单支付',
                                        price: this.payMoney,
                                        returnUrl: this.$config.h5Domain + return_url + this.payInfo.out_trade_no,
                                        notifyUrl: this.$config.h5Domain + '/api/pay/alipay/notify'
                                    };
                                    // 创建支付宝订单（带RSA2签名）
                                    const alipayRes = await this.alipayPay.h5Pay(orderInfo);
                                    // 验证支付宝签名（官方规范）
                                    const isAlipaySignValid = this.alipayPay.verifyResult(alipayRes, alipayRes.sign);
                                    if (!isAlipaySignValid) {
                                        this.$util.showToast({ title: '支付宝订单签名验证失败' });
                                        return;
                                    }
                                    // 区分微信浏览器/普通浏览器
                                    if (this.$util.isWeiXin()) {
                                        var wx_alipay = encodeURIComponent(alipayRes.payUrl);
                                        this.$util.redirectTo('/pages_tool/pay/wx_pay', {
                                            wx_alipay: wx_alipay,
                                            out_trade_no: this.payInfo.out_trade_no
                                        }, '', 'redirectTo');
                                    } else {
                                        location.href = alipayRes.payUrl;
                                        this.checkPayStatus();
                                    }
                                } catch (error) {
                                    this.$util.showToast({ title: '支付宝支付失败：' + error.message });
                                    this.repeatFlag = false;
                                }
                                break;

                            // ========== 微信支付（H5端，符合官方JSSDK+签名规范） ==========
                            case 'wechatpay':
                                try {
                                    this.repeatFlag = false;
                                    const orderInfo = {
                                        outTradeNo: this.payInfo.out_trade_no,
                                        productName: '订单支付',
                                        price: this.payMoney,
                                        openid: this.$store.state.openid,
                                        notifyUrl: this.$config.h5Domain + '/api/pay/wechat/notify',
                                        returnUrl: this.$config.h5Domain + return_url + this.payInfo.out_trade_no,
                                        url: uni.getSystemInfoSync().platform == 'ios' ? uni.getStorageSync('initUrl') : location.href
                                    };
                                    // 微信浏览器内（JSSDK支付）
                                    if (this.$util.isWeiXin()) {
                                        // 初始化JSSDK（官方规范）
                                        await this.wechatPay.initJSSDK(orderInfo.url);
                                        // 创建微信订单（带HMAC-SHA256签名）
                                        const wxPayRes = await this.wechatPay.mpPay(orderInfo);
                                        // 验证签名（官方规范）
                                        const isWxSignValid = this.wechatPay.verifyResult(wxPayRes, wxPayRes.paySign);
                                        if (!isWxSignValid) {
                                            this.$util.showToast({ title: '微信订单签名验证失败' });
                                            return;
                                        }
                                        // 唤起JSSDK支付
                                        await this.wechatPay.h5Pay(wxPayRes);
                                        this.paySuccess();
                                    } else {
                                        // 普通浏览器（H5支付链接）
                                        const wxH5Res = await this.wechatPay.h5Pay(orderInfo);
                                        console.log('普通浏览器微信支付链接：', wxH5Res.mweb_url);
                                        location.href = wxH5Res.mweb_url;
                                        this.checkPayStatus();
                                    }
                                } catch (error) {
                                    this.$util.showToast({ title: '微信支付失败：' + error.message });
                                    this.resetpay();
                                    this.repeatFlag = false;
                                }
                                break;

                            // ========== 华为支付（H5端，符合官方RSA签名规范） ==========
                            case 'huaweipay':
                                try {
                                    this.repeatFlag = false;
                                    const orderInfo = {
                                        productId: 'PROD_' + this.payInfo.out_trade_no,
                                        productName: '订单支付',
                                        price: this.payMoney
                                    };
                                    // 创建华为订单（带RSA签名）
                                    const huaweiRes = await this.huaweiPay.h5Pay(orderInfo);
                                    // 验证签名（官方规范）
                                    const isHuaweiSignValid = this.huaweiPay.verifySignature(JSON.stringify(huaweiRes), huaweiRes.sign);
                                    if (!isHuaweiSignValid) {
                                        this.$util.showToast({ title: '华为订单签名验证失败' });
                                        return;
                                    }
                                    console.log('华为支付跳转链接：', huaweiRes.payUrl);
                                    location.href = huaweiRes.payUrl;
                                    this.checkPayStatus();
                                } catch (error) {
                                    this.$util.showToast({ title: '华为支付失败：' + error.message });
                                    this.repeatFlag = false;
                                }
                                break;

                            // ========== 线下支付（保留原有逻辑） ==========
                            case 'offlinepay':
                                this.$util.redirectTo('/pages_tool/pay/offlinepay', {
                                    outTradeNo: this.payInfo.out_trade_no
                                });
                                this.repeatFlag = false;
                                break;
                        }
                    } else {
                        this.$util.showToast({
                            title: res.message
                        });
                        this.repeatFlag = false;
                    }
                },
                fail: res => {
                    uni.hideLoading();
                    this.$util.showToast({
                        title: 'request:fail'
                    });
                    this.repeatFlag = false;
                }
            });
        },
        checkPayStatus() {
            this.timer = setInterval(() => {
                this.$api.sendRequest({
                    url: '/api/pay/status',
                    data: {
                        out_trade_no: this.payInfo.out_trade_no
                    },
                    success: res => {
                        if (res.code == 0) {
                            if (res.data.pay_status == 2) {
                                clearInterval(this.timer);
                                this.paySuccess();
                            }
                        } else {
                            clearInterval(this.timer);
                        }
                    }
                });
            }, 1000);
        },
        // #endif
        // #ifdef MP
        pay() {
            var payType = this.payTypeList[this.payIndex];
            this.$api.sendRequest({
                url: '/api/pay/pay',
                data: {
                    out_trade_no: this.payInfo.out_trade_no,
                    pay_type: payType ? payType.type : '',
                    scene: uni.getStorageSync('is_test') ? 1175 : uni.getLaunchOptionsSync().scene,
                    is_balance: this.isBalance
                },
                success: async res => { // 新增async支持异步调用
                    uni.hideLoading();
                    if (res.code >= 0) {
                        if (res.data.pay_success) {
                            this.paySuccess();
                            this.repeatFlag = false;
                            return;
                        }
                        if (payType.type == 'offlinepay') {
                            this.$util.redirectTo('/pages_tool/pay/offlinepay', {
                                outTradeNo: this.payInfo.out_trade_no
                            });
                            this.repeatFlag = false;
                        } else {
                            try {
                                this.repeatFlag = false;
                                // ========== 华为支付（小程序端，跳转H5） ==========
                                if (payType.type == 'huaweipay') {
                                    const orderInfo = {
                                        productId: 'PROD_' + this.payInfo.out_trade_no,
                                        productName: '订单支付',
                                        price: this.payMoney
                                    };
                                    const huaweiRes = await this.huaweiPay.mpWeixinPay(orderInfo);
                                    this.$util.redirectTo('/pages_tool/pay/wx_pay', {
                                        wx_alipay: encodeURIComponent(huaweiRes.payUrl),
                                        out_trade_no: this.payInfo.out_trade_no
                                    });
                                } else {
                                    // ========== 微信/支付宝小程序支付（符合官方验签规范） ==========
                                    var payData = res.data.data;
                                    // 验证支付参数签名（官方规范）
                                    let isSignValid = false;
                                    if (payType.type == 'wechatpay') {
                                        isSignValid = this.wechatPay.verifyResult(payData, payData.paySign);
                                    } else if (payType.type == 'alipay') {
                                        isSignValid = this.alipayPay.verifyResult(payData, payData.sign);
                                    }
                                    if (!isSignValid) {
                                        this.$util.showToast({ title: '支付参数签名验证失败' });
                                        return;
                                    }

                                    // #ifdef MP-WEIXIN
                                    var scene = uni.getStorageSync('is_test') ? 1175 : uni.getLaunchOptionsSync().scene;
                                    if ([1175, 1176, 1177, 1191, 1195].indexOf(scene) != -1) {
                                        uni.requestOrderPayment({
                                            timeStamp: payData.timeStamp,
                                            nonceStr: payData.nonceStr,
                                            package: payData.package,
                                            signType: payData.signType,
                                            paySign: payData.paySign,
                                            success: res => {
                                                this.paySuccess();
                                                this.repeatFlag = false;
                                            },
                                            fail: res => {
                                                this.flag = false;
                                                if (res.errMsg == 'requestOrderPayment:fail cancel') {
                                                    this.$util.showToast({
                                                        title: '您已取消支付'
                                                    });
                                                    this.resetpay();
                                                    this.repeatFlag = false;
                                                } else {
                                                    uni.showModal({
                                                        content: '支付失败,失败原因: ' + res.errMsg,
                                                        showCancel: false
                                                    });
                                                    setTimeout(() => {
                                                        this.close();
                                                        this.repeatFlag = false;
                                                    }, 1500)
                                                }
                                            }
                                        });
                                        return
                                    }
                                    // #endif

                                    uni.requestPayment({
                                        provider: payType.provider,
                                        ...payData,
                                        success: res => {
                                            this.paySuccess();
                                            this.repeatFlag = false;
                                        },
                                        fail: res => {
                                            this.flag = false;
                                            if (res.errMsg == 'requestPayment:fail cancel') {
                                                this.$util.showToast({
                                                    title: '您已取消支付'
                                                });
                                                this.resetpay();
                                                this.repeatFlag = false;
                                            } else {
                                                uni.showModal({
                                                    content: '支付失败,失败原因: ' + res.errMsg,
                                                    showCancel: false
                                                });
                                                setTimeout(() => {
                                                    this.close();
                                                    this.repeatFlag = false;
                                                }, 1500)
                                            }
                                        }
                                    });
                                }
                            } catch (error) {
                                this.$util.showToast({ title: '支付失败：' + error.message });
                                this.repeatFlag = false;
                            }
                        }
                    } else {
                        this.$util.showToast({
                            title: res.message
                        });
                        this.repeatFlag = false;
                    }
                },
                fail: res => {
                    uni.hideLoading();
                    this.$util.showToast({
                        title: 'request:fail'
                    });
                    this.repeatFlag = false;
                }
            });
        },
        // #endif
        /**
         * 支付成功之后跳转
         */
        paySuccess() {
            if (this.payInfo.event == 'BlindboxGoodsOrderPayNotify') {
                this.$util.redirectTo('/pages_promotion/blindbox/index', {
                    outTradeNo: this.payInfo.out_trade_no
                }, 'redirectTo');
            } else if (this.payInfo.return_url) {
                if (this.payInfo.return_url.indexOf('http://') != -1 || this.payInfo.return_url.indexOf('https://') != -1) location.replace(this.payInfo.return_url);
                else this.$util.redirectTo(this.payInfo.return_url, {}, 'redirectTo');
            } else {
                this.$util.redirectTo('/pages_tool/pay/result', {
                    code: this.payInfo.out_trade_no
                }, 'redirectTo');
            }
        },
        /**
         * 重置支付单据
         */
        resetpay() {
            this.resetPayComplete = false;
            this.$api.sendRequest({
                url: '/api/pay/resetpay',
                data: {
                    out_trade_no: this.payInfo.out_trade_no,
                },
                success: res => {
                    if (res.code == 0) {
                        this.getPayInfo(res.data, () => {
                            this.resetPayComplete = true;
                        });
                    } else {
                        this.resetPayComplete = true;
                    }
                },
                fail: res => {
                    this.resetPayComplete = true;
                }
            })
        }
    },
    // #ifdef H5
    deactivated() {
        clearInterval(this.timer);
    },
    // #endif
};
</script>

<style lang="scss" scoped>
.popup {
    width: 75vw;
    background: #fff;
    border-top-left-radius: $border-radius;
    border-top-right-radius: $border-radius;

    .popup-header {
        display: flex;
        border-bottom: 2rpx solid $color-line;
        position: relative;
        padding: 40rpx;

        .tit {
            flex: 1;
            font-size: $font-size-toolbar;
            line-height: 1;
            text-align: center;
        }

        .iconfont {
            line-height: 1;
            position: absolute;
            right: 30rpx;
            top: 50%;
            transform: translate(0, -50%);
            color: $color-tip;
            font-size: $font-size-toolbar;
        }
    }

    .popup-body {
        height: calc(100% - 250rpx);

        &.safe-area {
            height: calc(100% - 270rpx);
        }
    }

    .popup-footer {
        height: 100rpx;

        .confirm-btn {
            height: 72rpx;
            line-height: 72rpx;
            color: #fff;
            text-align: center;
            margin: 20rpx 30rpx 0;
            border-radius: $border-radius;
        }

        &.bottom-safe-area {
            padding-bottom: constant(safe-area-inset-bottom);
            padding-bottom: env(safe-area-inset-bottom);
        }
    }
}

.choose-payment-popup {
    .payment-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 90rpx;
        margin: 0 30rpx;
        border-bottom: 2rpx solid $color-line;
        padding: 20rpx 0;

        &:nth-child(2) {
            padding-top: 0;
        }

        &:last-child {
            border-bottom: none;
        }

        .iconfont {
            font-size: 64rpx;
        }

        .icon-yue {
            color: #faa218;
        }

        .icon-weixin1 {
            color: #24af41;
        }

        .icon-yuezhifu {
            color: #f9a647;
        }

        .icon-zhifubaozhifu- {
            color: #00a0e9;
        }

        .icon-checkboxblank {
            font-size: 40rpx;
            color: $color-line;
        }

        .icon-yuan_checked {
            font-size: 40rpx;
        }

        .name {
            margin-left: 20rpx;
            font-size: $font-size-base;
            flex: 1;
        }

        .info-wrap {
            flex: 1;
            margin-left: 20rpx;

            .name {
                margin-left: 0;
                font-size: $font-size-base;
                flex: 1;
            }

            .money {
                color: $color-tip;
                font-size: $font-size-tag;
            }
        }

        .box {
            flex: 1;
            padding: 0 10rpx;
            line-height: inherit;
            text-align: right;

            input {
                font-size: $font-size-tag !important;
            }
        }

        &.set-pay-password {
            height: initial;

            .box {
                font-size: $font-size-tag !important;
            }
        }
    }

    .pay-money {
        text-align: center;
        padding: 20rpx 0 40rpx 0;
        background-color: #fff;
        font-weight: bold;
        margin-top: 30rpx;
        line-height: 1;

        .unit {
            margin-right: 4rpx;
            font-size: $font-size-tag;
        }

        .money {
            font-size: $font-size-toolbar;
        }
    }
}

.empty {
    width: 100%;
    text-align: center;
    padding: 40rpx 0;
    color: $color-sub;
    font-size: $font-size-tag;
}
</style>