// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.

package charge

import (
	"encoding/json"
	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
	"github.com/TeaOSLab/EdgeCommon/pkg/systemconfigs"
	"github.com/TeaOSLab/EdgeCommon/pkg/userconfigs"
	"github.com/TeaOSLab/EdgeUser/internal/web/actions/actionutils"
	"github.com/iwind/TeaGo/actions"
	"github.com/iwind/TeaGo/maps"
	"github.com/iwind/TeaGo/types"
	"net/url"
	"regexp"
	"strings"
)

type IndexAction struct {
	actionutils.ParentAction
}

func (this *IndexAction) Init() {
	this.Nav("", "", "")
}

func (this *IndexAction) RunGet(params struct{}) {
	this.Data["currentURL"] = url.QueryEscape(this.Request.URL.String())

	// 配置
	configResp, err := this.RPC().SysSettingRPC().ReadSysSetting(this.UserContext(), &pb.ReadSysSettingRequest{Code: systemconfigs.SettingCodeUserOrderConfig})
	if err != nil {
		this.ErrorPage(err)
		return
	}
	var config = userconfigs.DefaultUserOrderConfig()
	if len(configResp.ValueJSON) > 0 {
		err = json.Unmarshal(configResp.ValueJSON, config)
		if err != nil {
			this.ErrorPage(err)
			return
		}
	}
	this.Data["config"] = config

	// methods
	methodsResp, err := this.RPC().OrderMethodRPC().FindAllAvailableOrderMethods(this.UserContext(), &pb.FindAllAvailableOrderMethodsRequest{})
	if err != nil {
		this.ErrorPage(err)
		return
	}
	var methods = methodsResp.OrderMethods
	var methodMaps = []maps.Map{}
	if len(methods) == 0 {
		config.EnablePay = false
	} else {
		for _, method := range methods {
			methodMaps = append(methodMaps, maps.Map{
				"id":          method.Id,
				"name":        method.Name,
				"code":        method.Code,
				"description": method.Description,
			})
		}
	}
	this.Data["methods"] = methodMaps

	this.Show()
}

func (this *IndexAction) RunPost(params struct {
	Amount     string
	MethodCode string

	Must *actions.Must
	CSRF *actionutils.CSRF
}) {
	// 检查充值金额
	if len(params.Amount) == 0 {
		this.FailField("amount", "请输入充值金额")
	}

	if len(params.Amount) > 10 {
		this.FailField("amount", "充值金额不能大于10位")
	}

	var digitReg = regexp.MustCompile(`^\d+$`)
	var decimalReg = regexp.MustCompile(`^\d+\.\d+$`)

	if !digitReg.MatchString(params.Amount) && !decimalReg.MatchString(params.Amount) {
		this.FailField("amount", "充值金额需要是一个数字")
	}

	if decimalReg.MatchString(params.Amount) {
		var dotIndex = strings.LastIndex(params.Amount, ".")
		var decimalString = params.Amount[dotIndex+1:]
		if len(decimalString) > 2 {
			this.FailField("amount", "充值金额最多只支持两位小数")
		}
	}

	var amount = types.Float64(params.Amount)
	if amount <= 0 {
		this.FailField("amount", "充值金额不能为0")
	}

	// 支付方式
	if len(params.MethodCode) == 0 {
		this.Fail("请选择支付方式")
	}

	// 生成订单
	createResp, err := this.RPC().UserOrderRPC().CreateUserOrder(this.UserContext(), &pb.CreateUserOrderRequest{
		Type:            userconfigs.OrderTypeCharge,
		OrderMethodCode: params.MethodCode,
		Amount:          amount,
	})
	if err != nil {
		this.ErrorPage(err)
		return
	}

	this.Data["code"] = createResp.Code
	this.Data["payURL"] = createResp.PayURL

	this.Success()
}