// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .

package packages

import (
	"encoding/json"
	"fmt"
	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
	"github.com/TeaOSLab/EdgeCommon/pkg/userconfigs"
	"github.com/TeaOSLab/EdgeUser/internal/web/actions/actionutils"
	"github.com/TeaOSLab/EdgeUser/internal/web/actions/default/finance/financeutils"
	"github.com/iwind/TeaGo/actions"
	"github.com/iwind/TeaGo/types"
)

type ConfirmAction struct {
	actionutils.ParentAction
}

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

func (this *ConfirmAction) RunGet(params struct {
	PackageId int64
	PeriodId  int64
	Count     int32
}) {
	this.Data["packageId"] = params.PackageId
	this.Data["periodId"] = params.PeriodId
	this.Data["count"] = params.Count

	this.Data["packageSummary"] = ""
	this.Data["periodName"] = ""
	this.Data["amount"] = 0

	if params.PackageId <= 0 || params.PeriodId <= 0 || params.Count <= 0 {
		this.Show()
		return
	}

	// 产品信息
	packageResp, err := this.RPC().ADPackageRPC().FindADPackage(this.UserContext(), &pb.FindADPackageRequest{AdPackageId: params.PackageId})
	if err != nil {
		this.ErrorPage(err)
		return
	}
	var adPackage = packageResp.AdPackage
	if adPackage == nil {
		this.NotFound("adPackage", params.PackageId)
		return
	}
	this.Data["packageSummary"] = adPackage.Summary

	// 日期信息
	periodResp, err := this.RPC().ADPackagePeriodRPC().FindADPackagePeriod(this.UserContext(), &pb.FindADPackagePeriodRequest{AdPackagePeriodId: params.PeriodId})
	if err != nil {
		this.ErrorPage(err)
		return
	}
	var period = periodResp.AdPackagePeriod
	if period == nil {
		this.NotFound("adPackagePeriod", params.PeriodId)
		return
	}
	this.Data["periodName"] = types.String(period.Count) + userconfigs.ADPackagePeriodUnitName(period.Unit)

	// 数量
	countInstancesResp, err := this.RPC().ADPackageInstanceRPC().CountIdleADPackageInstances(this.UserContext(), &pb.CountIdleADPackageInstancesRequest{AdPackageId: params.PackageId})
	if err != nil {
		this.ErrorPage(err)
		return
	}
	var countInstances = types.Int32(countInstancesResp.Count)
	if countInstances < params.Count {
		this.Show()
		return
	}

	resp, err := this.RPC().ADPackagePriceRPC().FindADPackagePrice(this.UserContext(), &pb.FindADPackagePriceRequest{
		AdPackageId:       params.PackageId,
		AdPackagePeriodId: params.PeriodId,
		Count:             params.Count,
	})
	if err != nil {
		this.ErrorPage(err)
		return
	}
	this.Data["amount"] = resp.Amount

	this.Show()
}

func (this *ConfirmAction) RunPost(params struct {
	PackageId int64
	PeriodId  int64
	Count     int32

	MethodCode string

	Must *actions.Must
	CSRF *actionutils.CSRF
}) {
	if params.PackageId <= 0 || params.PeriodId <= 0 || params.Count <= 0 {
		this.Fail("参数错误，请重新下单")
		return
	}

	periodResp, err := this.RPC().ADPackagePeriodRPC().FindADPackagePeriod(this.UserContext(), &pb.FindADPackagePeriodRequest{AdPackagePeriodId: params.PeriodId})
	if err != nil {
		this.ErrorPage(err)
		return
	}
	var period = periodResp.AdPackagePeriod
	if period == nil {
		this.Fail("invalid 'periodId'")
		return
	}

	priceResp, err := this.RPC().ADPackagePriceRPC().FindADPackagePrice(this.UserContext(), &pb.FindADPackagePriceRequest{
		AdPackageId:       params.PackageId,
		AdPackagePeriodId: params.PeriodId,
		Count:             params.Count,
	})
	if err != nil {
		this.ErrorPage(err)
		return
	}
	var amount = priceResp.Amount

	// 使用余额购买
	this.Data["success"] = false
	this.Data["orderCode"] = ""
	if params.MethodCode == "@balance" {
		balance, err := financeutils.FindUserBalance(this.UserContext())
		if err != nil {
			this.ErrorPage(err)
			return
		}
		if amount > balance {
			this.Fail("当前余额不足，需要：" + fmt.Sprintf("%.2f元", amount) + "，现有：" + fmt.Sprintf("%.2f元", balance) + " ，请充值后再试")
			return
		}

		// 直接购买
		_, err = this.RPC().UserADInstanceRPC().BuyUserADInstance(this.UserContext(), &pb.BuyUserADInstanceRequest{
			UserId:            this.UserId(),
			AdPackageId:       params.PackageId,
			AdPackagePeriodId: params.PeriodId,
			Count:             params.Count,
		})
		if err != nil {
			this.ErrorPage(err)
			return
		}

		this.Data["success"] = true
		this.Success()
		return
	}

	// 生成订单
	var orderParams = &userconfigs.OrderTypeBuyAntiDDoSInstanceParams{
		PackageId:   params.PackageId,
		PeriodId:    params.PeriodId,
		PeriodCount: period.Count,
		PeriodUnit:  period.Unit,
		Count:       params.Count,
	}
	orderParamsJSON, err := json.Marshal(orderParams)
	if err != nil {
		this.ErrorPage(err)
		return
	}

	resp, err := this.RPC().UserOrderRPC().CreateUserOrder(this.UserContext(), &pb.CreateUserOrderRequest{
		Type:            userconfigs.OrderTypeBuyAntiDDoSInstance,
		OrderMethodCode: params.MethodCode,
		Amount:          amount,
		ParamsJSON:      orderParamsJSON,
	})
	if err != nil {
		this.ErrorPage(err)
		return
	}

	this.Data["orderCode"] = resp.Code

	this.Success()
}