package app

import (
	"context"
	"encoding/json"
	"fmt"
	"math"
	"reflect"
	"sort"
	"strings"
	"time"
	"git.5iot.com/iotlcm-public/iotlcm-app/internal/library/batchmetadata"

	"git.5iot.com/iotlcm-public/iotlcm-app/internal/consts"
	"git.5iot.com/iotlcm-public/iotlcm-app/internal/dao"
	"git.5iot.com/iotlcm-public/iotlcm-app/internal/model"
	"git.5iot.com/iotlcm-public/iotlcm-app/internal/model/do"
	"git.5iot.com/iotlcm-public/iotlcm-app/internal/model/entity"

	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/os/gtime"
	"github.com/gogf/gf/v2/util/gconv"
)

type appRenewPriceSnapshot struct {
	UnitPrice           float64
	PriceSource         string
	AgentDefaultPriceId int64
	TargetPriceId       int64
}

type appRenewEffectiveBaseCosts struct {
	AgentCost    float64
	TerminalCost float64
}

type appRenewPriceRule struct {
	PriceSource         string
	AgentDefaultPriceId int64
	TargetPriceId       int64
	AgentCostRatio      float64
	AgentCostProfit     float64
	TerminalCostRatio   float64
	TerminalCostProfit  float64
}

type appRenewEffectiveSalePrice struct {
	Rule               appRenewPriceRule
	AgentShipmentPrice float64
	TerminalSalePrice  float64
}

const (
	appRenewDurationUnitYear     = "year"
	appRenewDurationUnitYearText = "年"
)

type appRenewDurationSelection struct {
	Years  int
	Months int
}

type appRenewOrderParty struct {
	CustomerType    int
	CustomerAgentId int64
	EndUserId       int64
	AgentId         int64
	CreatedDept     int64
}

type appSimTerminalRenewLockRow struct {
	Id                 int64  `orm:"id"`
	Iccid              string `orm:"iccid"`
	TerminalId         int64  `orm:"terminal_id"`
	DeptId             int64  `orm:"dept_id"`
	CurrentPackageCode string `orm:"current_package_code"`
	TenantId           string `orm:"tenant_id"`
}

// RenewPrepare 按当前套餐的 renewable_package_codes 读取可续费目标套餐，
// 再按用户身份为目标套餐生成单年价和续费年限档位。
func (s *sAppCard) RenewPrepare(ctx context.Context, param *model.AppCardRenewPrepareParam) (res *model.AppCardRenewPrepareModel, err error) {
	if param == nil {
		param = &model.AppCardRenewPrepareParam{}
	}
	user, err := appCurrentUser(ctx)
	if err != nil {
		return nil, err
	}

	card, err := s.findVisibleCard(ctx, user, param.CardValue)
	if err != nil {
		return nil, err
	}
	if card == nil {
		return nil, gerror.New("卡信息不存在或无权续费")
	}
	if err = s.ensureOperateCard(ctx, user, card, "续费"); err != nil {
		return nil, err
	}

	renewCtx, err := s.resolveRenewPackageContext(ctx, card, param.SubscriptionNo)
	if err != nil {
		return nil, err
	}
	renewableCodes, renewableTargets, selectedTarget, err := s.resolveRenewTargetPackages(ctx, user, renewCtx, param.PackageCode)
	if err != nil {
		return nil, err
	}
	pkg := selectedTarget.Package
	price := selectedTarget.Price
	durations := selectedTarget.Durations

	ownerType := s.ownerType(ctx, user)
	cardModel := s.cardRowToModel(ctx, card, user, ownerType, true)
	currentPackageModel := s.renewPackageModel(card, renewCtx.Package, ownerType)
	packageModel := s.renewPackageModel(card, pkg, ownerType)
	effectiveRule := appRenewEffectiveRule(renewCtx.expireAt())
	recommendIndex := appRenewRecommendIndex(durations)
	options := appRenewOptionModels(durations, price.UnitPrice, 1, func(years int) *gtime.Time {
		return appRenewExpireAfter(renewCtx.expireAt(), appRenewActualDurationMonths(years))
	})

	return &model.AppCardRenewPrepareModel{
		Card:                  cardModel,
		Cards:                 []*model.AppCardModel{cardModel},
		Quantity:              1,
		CurrentPackage:        currentPackageModel,
		Package:               packageModel,
		RenewablePackageCodes: renewableCodes,
		RenewablePackages: s.renewTargetPackageOptionModels(card, renewableTargets, ownerType, 1, func(years int) *gtime.Time {
			return appRenewExpireAfter(renewCtx.expireAt(), appRenewActualDurationMonths(years))
		}),
		Options:        options,
		PriceSource:    price.PriceSource,
		UnitPrice:      price.UnitPrice,
		EffectiveRule:  effectiveRule,
		RecommendIndex: recommendIndex,
	}, nil
}

// RenewSubmit 使用账户余额支付，并把单卡续费也写入正式续费批次。
func (s *sAppCard) RenewSubmit(ctx context.Context, param *model.AppCardRenewSubmitParam) (res *model.AppCardRenewSubmitModel, err error) {
	if param == nil {
		param = &model.AppCardRenewSubmitParam{}
	}
	user, err := appCurrentUser(ctx)
	if err != nil {
		return nil, err
	}

	card, err := s.findVisibleCard(ctx, user, param.CardValue)
	if err != nil {
		return nil, err
	}
	if card == nil {
		return nil, gerror.New("卡信息不存在或无权续费")
	}
	if err = s.ensureOperateCard(ctx, user, card, "续费"); err != nil {
		return nil, err
	}

	renewCtx, err := s.resolveRenewPackageContext(ctx, card, param.SubscriptionNo)
	if err != nil {
		return nil, err
	}
	renewableCodes, renewableTargets, selectedTarget, err := s.resolveRenewTargetPackages(ctx, user, renewCtx, param.PackageCode)
	if err != nil {
		return nil, err
	}
	pkg := selectedTarget.Package
	price := selectedTarget.Price
	durations := selectedTarget.Durations
	duration := appRenewDurationSelectionFromParam(param.DurationYears, param.DurationMonths, durations)
	if duration.Years <= 0 || duration.Months <= 0 {
		return nil, gerror.New("请选择续费年限")
	}
	if !appContainsInt(durations, duration.Years) {
		return nil, gerror.New("续费时长不在目标套餐可续费范围内")
	}

	totalAmount := appRenewTotalAmount(price.UnitPrice, duration.Years, 1)
	now := gtime.Now()
	party, err := s.renewOrderParty(ctx, user, card)
	if err != nil {
		return nil, err
	}

	var orderId int64
	var orderSn string
	var batchNo string
	var serviceBeginAt *gtime.Time
	var serviceEndAt *gtime.Time
	err = dao.TOrder.Transaction(ctx, func(ctx context.Context, tx gdb.TX) error {
		batch := &appRenewBatchContext{
			Items:                 []*appRenewPackageContext{renewCtx},
			CurrentPackage:        renewCtx.Package,
			Package:               pkg,
			Price:                 price,
			Party:                 party,
			Durations:             durations,
			OwnerType:             s.ownerType(ctx, user),
			RenewablePackageCodes: renewableCodes,
			RenewableTargets:      renewableTargets,
		}
		exec, err := s.prepareAppRenewExecution(ctx, tx, batch, duration.Months)
		if err != nil {
			return err
		}
		serviceBeginAt, serviceEndAt = exec.MinBeginAt, exec.MaxEndAt
		orderSn = appOrderNo("SO", user.UserId, now)
		batchNo, err = appNextBatchNo(ctx, consts.BatchNoPrefixRenew)
		if err != nil {
			return err
		}
		if _, err = s.deductAppBalanceForDept(ctx, tx, user, orderSn, totalAmount, "套餐续费", party.CustomerAgentId, now); err != nil {
			return err
		}
		orderId, err = s.insertAppRenewOrder(ctx, tx, user, party, strings.TrimSpace(param.BuyerNote), orderSn, totalAmount, now)
		if err != nil {
			return err
		}
		if err = s.insertAppRenewSubscriptionBinds(ctx, tx, user, batch, exec, batchNo, orderSn, duration.Months, now); err != nil {
			return err
		}
		buyerNote := strings.TrimSpace(param.BuyerNote)
		if err = s.insertAppRenewBatchOrderItem(ctx, tx, user, batch, orderId, orderSn, batchNo, "", duration.Months, totalAmount, totalAmount, serviceBeginAt, serviceEndAt, exec.CardPeriods, now); err != nil {
			return err
		}
		return s.insertAppRenewSubmitBatch(ctx, tx, user, batch, batchNo, "", orderSn, duration.Months, totalAmount, totalAmount, serviceBeginAt, serviceEndAt, exec.CardPeriods, buyerNote, batchmetadata.Single, now)
	})
	if err != nil {
		return nil, err
	}

	ownerType := s.ownerType(ctx, user)
	cardModel := s.cardRowToModel(ctx, card, user, ownerType, true)
	currentPackageModel := s.renewPackageModel(card, renewCtx.Package, ownerType)
	packageModel := s.renewPackageModel(card, pkg, ownerType)
	option := appRenewOptionModel(duration.Years, price.UnitPrice, totalAmount, serviceEndAt, appRenewRecommendIndex(durations) == appIndexOfInt(durations, duration.Years))
	cardModels := []*model.AppCardModel{cardModel}
	res = &model.AppCardRenewSubmitModel{
		BatchNo:        batchNo,
		BatchType:      consts.BatchTypeRenew,
		OrderId:        orderId,
		OrderSn:        orderSn,
		TotalAmount:    totalAmount,
		PriceText:      option.PriceText,
		Quantity:       1,
		OrderStatus:    consts.OrderStatusCompleted,
		PayStatus:      consts.PayStatusPaid,
		Status:         "success",
		EffectiveRule:  appRenewEffectiveRule(renewCtx.expireAt()),
		Card:           cardModel,
		Cards:          cardModels,
		CurrentPackage: currentPackageModel,
		Package:        packageModel,
		Option:         option,
	}
	_ = s.publishAppBusinessAsyncEvent(ctx, appBusinessAsyncEvent{
		EventType: appAsyncEventRenewCompleted,
		OrderSn:   orderSn,
		BatchNo:   batchNo,
		BatchType: consts.BatchTypeRenew,
		TenantId:  user.TenantId,
		UserId:    user.UserId,
		DeptId:    user.DeptId,
		Trigger:   "renew_submit",
	})
	return res, nil
}

func (s *sAppCard) renewPackageModel(card *appCardQueryRow, pkg *entity.TSimFlowPackageInfo, ownerType string) *model.AppPackageModel {
	effectiveStatus := appEffectiveStatusFromCardPackageStatus(card.PackageStatus)
	status, statusType := appPackageStatus(effectiveStatus, card.FlowPkgEndAt)
	flowMb := pkg.FlowMb
	if flowMb <= 0 {
		flowMb = card.PackageTotalFlowMb
	}
	return &model.AppPackageModel{
		Id:              pkg.Id,
		PackageCode:     pkg.PackageCode,
		PackageName:     pkg.PackageName,
		PackageType:     pkg.PackageType,
		PackageTypeName: appPackageTypeName(pkg.PackageType),
		CategoryCode:    appFirstNotEmpty(pkg.CategoryCode, appCardCategoryCode(card)),
		CategoryName:    appCardCategoryName(card),
		Iccid:           card.Iccid,
		Msisdn:          card.Msisdn,
		CardId:          card.Id,
		CardValue:       appFirstNotEmpty(card.Msisdn, card.Iccid),
		CardRemark:      card.Remark,
		TerminalName:    card.TerminalName,
		EffectiveStatus: effectiveStatus,
		Status:          status,
		StatusType:      statusType,
		FilterValue:     pkg.PackageCode,
		EffectiveTime:   card.FlowPkgBeginAt,
		ExpireTime:      card.FlowPkgEndAt,
		ValidText:       appPackageValidText(card.FlowPkgBeginAt, card.FlowPkgEndAt),
		EffectText:      appPackageEffectText(effectiveStatus),
		FlowMb:          flowMb,
		FlowText:        appFlowText(flowMb),
		OwnerType:       ownerType,
		CanBusiness:     true,
	}
}

func (s *sAppCard) renewTargetPackageOptionModels(card *appCardQueryRow, targets []*appRenewTargetContext, ownerType string, quantity int, expireAfter func(years int) *gtime.Time) []*model.AppRenewPackageOptionModel {
	result := make([]*model.AppRenewPackageOptionModel, 0, len(targets))
	for _, target := range targets {
		if target == nil || target.Package == nil || target.Price == nil {
			continue
		}
		options := appRenewOptionModels(target.Durations, target.Price.UnitPrice, quantity, expireAfter)
		result = append(result, &model.AppRenewPackageOptionModel{
			Package:                  s.renewPackageModel(card, target.Package, ownerType),
			PackageCode:              strings.TrimSpace(target.Package.PackageCode),
			PackageName:              strings.TrimSpace(target.Package.PackageName),
			RenewUnitPrice:           target.Price.UnitPrice,
			UnitPrice:                target.Price.UnitPrice,
			PriceSource:              target.Price.PriceSource,
			PriceText:                fmt.Sprintf("¥%.2f/年", target.Price.UnitPrice),
			RenewableDurationOptions: append([]int(nil), target.Durations...),
			Options:                  options,
		})
	}
	return result
}

func appRenewOptionModels(durations []int, unitPrice float64, quantity int, expireAfter func(years int) *gtime.Time) []*model.AppRenewOptionModel {
	recommendIndex := appRenewRecommendIndex(durations)
	options := make([]*model.AppRenewOptionModel, 0, len(durations))
	for index, years := range durations {
		var expire *gtime.Time
		if expireAfter != nil {
			expire = expireAfter(years)
		}
		totalAmount := appRenewTotalAmount(unitPrice, years, quantity)
		options = append(options, appRenewOptionModel(years, unitPrice, totalAmount, expire, index == recommendIndex))
	}
	return options
}

func appRenewableDurationOptions(pkg *entity.TSimFlowPackageInfo) ([]int, error) {
	if pkg == nil || pkg.RenewableDurationConfig == nil || pkg.RenewableDurationConfig.IsNil() {
		return nil, gerror.New("当前套餐未配置可续费时长")
	}
	options := appNormalizeRenewDurationOptions(appRenewDurationOptionsFromValue(pkg.RenewableDurationConfig.Interface()))
	sort.Ints(options)
	if len(options) == 0 {
		return nil, gerror.New("当前套餐未配置可续费时长")
	}
	return options, nil
}

func appRenewableDurationYearOptions(pkg *entity.TSimFlowPackageInfo) ([]int, error) {
	if pkg == nil || pkg.RenewableDurationConfig == nil || pkg.RenewableDurationConfig.IsNil() {
		return nil, gerror.New("当前套餐未配置可续费年限")
	}
	options := appNormalizeRenewYearOptions(appRenewDurationOptionsFromValue(pkg.RenewableDurationConfig.Interface()))
	sort.Ints(options)
	if len(options) == 0 {
		return nil, gerror.New("当前套餐未配置可续费年限")
	}
	return options, nil
}

func appRenewDurationOptionsFromValue(value any) []int {
	switch typed := value.(type) {
	case nil:
		return nil
	case []any:
		options := make([]int, 0, len(typed))
		for _, item := range typed {
			options = append(options, appRenewDurationOptionsFromValue(item)...)
		}
		return options
	case map[string]any:
		return appRenewDurationOptionsFromMap(typed)
	case string:
		return appRenewDurationOptionsFromString(typed)
	default:
		if options := appRenewDurationOptionsFromReflectValue(value); len(options) > 0 {
			return options
		}
		if month := gconv.Int(value); month > 0 {
			return []int{month}
		}
		return nil
	}
}

func appRenewDurationOptionsFromReflectValue(value any) []int {
	rv := reflect.ValueOf(value)
	if !rv.IsValid() {
		return nil
	}
	switch rv.Kind() {
	case reflect.Slice, reflect.Array:
		options := make([]int, 0, rv.Len())
		for i := 0; i < rv.Len(); i++ {
			options = append(options, appRenewDurationOptionsFromValue(rv.Index(i).Interface())...)
		}
		return options
	case reflect.Map:
		values := make(map[string]any, rv.Len())
		iter := rv.MapRange()
		for iter.Next() {
			values[gconv.String(iter.Key().Interface())] = iter.Value().Interface()
		}
		return appRenewDurationOptionsFromMap(values)
	default:
		return nil
	}
}

func appRenewDurationOptionsFromMap(value map[string]any) []int {
	if len(value) == 0 {
		return nil
	}
	keys := []string{
		"durationMonths",
		"durationMonth",
		"duration",
		"durations",
		"month",
		"months",
		"value",
		"values",
		"time",
		"times",
		"option",
		"options",
		"item",
		"items",
		"data",
		"list",
		"renewableDurationOptions",
		"renewableDurationConfig",
	}
	options := make([]int, 0, len(value))
	for _, key := range keys {
		if item, ok := value[key]; ok {
			options = append(options, appRenewDurationOptionsFromValue(item)...)
		}
	}
	if len(options) > 0 {
		return options
	}
	for key := range value {
		if month := appRenewDurationMonthFromToken(key); month > 0 {
			options = append(options, month)
		}
	}
	return options
}

func appRenewDurationOptionsFromString(value string) []int {
	value = strings.TrimSpace(value)
	if value == "" {
		return nil
	}
	if strings.HasPrefix(value, "[") || strings.HasPrefix(value, "{") {
		var decoded any
		if err := json.Unmarshal([]byte(value), &decoded); err == nil {
			return appRenewDurationOptionsFromValue(decoded)
		}
	}
	parts := strings.FieldsFunc(value, func(r rune) bool {
		switch r {
		case ',', '，', ';', '；', '|', '/', '、', '\n', '\r', '\t', ' ':
			return true
		default:
			return false
		}
	})
	if len(parts) == 0 {
		parts = []string{value}
	}
	options := make([]int, 0, len(parts))
	for _, part := range parts {
		if month := appRenewDurationMonthFromToken(part); month > 0 {
			options = append(options, month)
		}
	}
	return options
}

func appRenewDurationMonthFromToken(value string) int {
	value = strings.TrimSpace(value)
	if value == "" {
		return 0
	}
	if month := gconv.Int(value); month > 0 {
		return month
	}
	var digits strings.Builder
	for _, r := range value {
		if r >= '0' && r <= '9' {
			digits.WriteRune(r)
			continue
		}
		if digits.Len() > 0 {
			break
		}
	}
	month := gconv.Int(digits.String())
	if month <= 0 {
		return 0
	}
	if strings.Contains(value, "年") && !strings.Contains(value, "月") {
		return month * 12
	}
	return month
}

func appNormalizeRenewDurationOptions(values []int) []int {
	seen := map[int]struct{}{}
	options := make([]int, 0, len(values))
	for _, month := range values {
		if month <= 0 {
			continue
		}
		if _, exists := seen[month]; exists {
			continue
		}
		seen[month] = struct{}{}
		options = append(options, month)
	}
	return options
}

func appNormalizeRenewYearOptions(values []int) []int {
	values = appNormalizeRenewDurationOptions(values)
	if len(values) == 0 {
		return nil
	}
	legacyMonthConfig := true
	for _, value := range values {
		if value < 12 || value%12 != 0 {
			legacyMonthConfig = false
			break
		}
	}
	if !legacyMonthConfig {
		return values
	}
	years := make([]int, 0, len(values))
	for _, month := range values {
		if month > 0 && month%12 == 0 {
			years = append(years, month/12)
		}
	}
	return appNormalizeRenewDurationOptions(years)
}

func (s *sAppCard) resolveRenewUnitPrice(ctx context.Context, user *entity.SysUser, card *appCardQueryRow, pkg *entity.TSimFlowPackageInfo) (*appRenewPriceSnapshot, error) {
	if s.isTerminalUser(ctx, user) {
		return s.resolveTerminalRenewUnitPrice(ctx, card, pkg)
	}
	return s.resolveAgentRenewUnitPrice(ctx, user, card, pkg)
}

func (s *sAppCard) resolveTerminalRenewUnitPrice(ctx context.Context, card *appCardQueryRow, pkg *entity.TSimFlowPackageInfo) (*appRenewPriceSnapshot, error) {
	if pkg == nil {
		return nil, gerror.New("续费套餐不存在")
	}
	rule := appRenewSystemPriceRule(pkg)
	snapshot := &appRenewPriceSnapshot{
		UnitPrice:   appRenewApplyPriceRule(appRenewSystemBaseCosts(pkg).TerminalCost, rule.TerminalCostRatio, rule.TerminalCostProfit),
		PriceSource: "system",
	}

	targetAgentId := appTerminalBindDeptId(card)
	if targetAgentId <= 0 {
		return snapshot, nil
	}

	// 定价表遵循管理平台格式：dept_id 是价格归属方，target_agent_id 是当前终端卡所属渠道客户。
	sellerDeptId, err := s.renewPriceOwnerDeptIdByDept(ctx, card.TenantId, targetAgentId)
	if err != nil {
		return nil, err
	}
	if sellerDeptId <= 0 {
		return snapshot, nil
	}

	salePrice, err := s.resolveAppRenewEffectiveSalePrice(ctx, card.TenantId, sellerDeptId, targetAgentId, pkg)
	if err != nil {
		return nil, err
	}
	snapshot.UnitPrice = salePrice.TerminalSalePrice
	snapshot.PriceSource = appRenewTerminalPriceSource(salePrice.Rule.PriceSource)
	snapshot.AgentDefaultPriceId = salePrice.Rule.AgentDefaultPriceId
	snapshot.TargetPriceId = salePrice.Rule.TargetPriceId
	return snapshot, nil
}

func (s *sAppCard) resolveAgentRenewUnitPrice(ctx context.Context, user *entity.SysUser, card *appCardQueryRow, pkg *entity.TSimFlowPackageInfo) (*appRenewPriceSnapshot, error) {
	if pkg == nil {
		return nil, gerror.New("续费套餐不存在")
	}
	customerAgentId := appCardOwnerDeptId(card)
	if customerAgentId <= 0 {
		return nil, gerror.New("卡片归属机构为空，暂不能续费")
	}
	snapshot := &appRenewPriceSnapshot{
		UnitPrice:   appRenewApplyPriceRule(pkg.CostPrice, pkg.SysDefaultRatio, pkg.SysDefaultProfit),
		PriceSource: "system",
	}
	if user == nil || user.DeptId <= 0 {
		return snapshot, nil
	}
	priceOwnerDeptId, err := s.renewPriceOwnerDeptIdByDept(ctx, card.TenantId, customerAgentId)
	if err != nil {
		return nil, err
	}
	salePrice, err := s.resolveAppRenewEffectiveSalePrice(ctx, card.TenantId, priceOwnerDeptId, customerAgentId, pkg)
	if err != nil {
		return nil, err
	}
	snapshot.UnitPrice = salePrice.AgentShipmentPrice
	snapshot.PriceSource = salePrice.Rule.PriceSource
	snapshot.AgentDefaultPriceId = salePrice.Rule.AgentDefaultPriceId
	snapshot.TargetPriceId = salePrice.Rule.TargetPriceId
	return snapshot, nil
}

func (s *sAppCard) resolveAppRenewEffectiveSalePrice(ctx context.Context, tenantId string, ownerDeptId int64, targetDeptId int64, pkg *entity.TSimFlowPackageInfo) (appRenewEffectiveSalePrice, error) {
	baseCosts, err := s.resolveRenewEffectiveBaseCosts(ctx, tenantId, ownerDeptId, pkg, make(map[int64]struct{}))
	if err != nil {
		return appRenewEffectiveSalePrice{}, err
	}
	rule, err := s.resolveAppRenewPriceRule(ctx, tenantId, ownerDeptId, targetDeptId, pkg)
	if err != nil {
		return appRenewEffectiveSalePrice{}, err
	}
	return appRenewEffectiveSalePriceFromBaseCosts(baseCosts, rule), nil
}

func appRenewEffectiveSalePriceFromBaseCosts(baseCosts appRenewEffectiveBaseCosts, rule appRenewPriceRule) appRenewEffectiveSalePrice {
	return appRenewEffectiveSalePrice{
		Rule:               rule,
		AgentShipmentPrice: appRenewApplyPriceRule(baseCosts.AgentCost, rule.AgentCostRatio, rule.AgentCostProfit),
		TerminalSalePrice:  appRenewApplyPriceRule(baseCosts.TerminalCost, rule.TerminalCostRatio, rule.TerminalCostProfit),
	}
}

func (s *sAppCard) resolveRenewEffectiveBaseCosts(ctx context.Context, tenantId string, deptId int64, pkg *entity.TSimFlowPackageInfo, visited map[int64]struct{}) (appRenewEffectiveBaseCosts, error) {
	if pkg == nil || strings.TrimSpace(pkg.PackageCode) == "" {
		return appRenewEffectiveBaseCosts{}, gerror.New("套餐编码不能为空")
	}
	if deptId <= 0 {
		return appRenewSystemBaseCosts(pkg), nil
	}
	if _, exists := visited[deptId]; exists {
		return appRenewEffectiveBaseCosts{}, gerror.New("组织定价层级存在循环，无法计算生效成本")
	}
	visited[deptId] = struct{}{}

	parentDeptId, err := s.renewPriceOwnerDeptIdByDept(ctx, tenantId, deptId)
	if err != nil {
		return appRenewEffectiveBaseCosts{}, err
	}
	if parentDeptId <= 0 {
		return appRenewSystemBaseCosts(pkg), nil
	}

	parentCosts, err := s.resolveRenewEffectiveBaseCosts(ctx, tenantId, parentDeptId, pkg, visited)
	if err != nil {
		return appRenewEffectiveBaseCosts{}, err
	}
	rule, err := s.resolveAppRenewPriceRule(ctx, tenantId, parentDeptId, deptId, pkg)
	if err != nil {
		return appRenewEffectiveBaseCosts{}, err
	}
	return appRenewEffectiveBaseCosts{
		AgentCost:    appRenewApplyPriceRule(parentCosts.AgentCost, rule.AgentCostRatio, rule.AgentCostProfit),
		TerminalCost: appRenewApplyPriceRule(parentCosts.TerminalCost, rule.TerminalCostRatio, rule.TerminalCostProfit),
	}, nil
}

func appRenewSystemBaseCosts(pkg *entity.TSimFlowPackageInfo) appRenewEffectiveBaseCosts {
	terminalCost := pkg.TerminalCost
	if terminalCost <= 0 {
		terminalCost = pkg.CostPrice
	}
	return appRenewEffectiveBaseCosts{
		AgentCost:    appRoundAmount(pkg.CostPrice),
		TerminalCost: appRoundAmount(terminalCost),
	}
}

func (s *sAppCard) resolveAppRenewPriceRule(ctx context.Context, tenantId string, ownerDeptId int64, targetDeptId int64, pkg *entity.TSimFlowPackageInfo) (appRenewPriceRule, error) {
	rule := appRenewSystemPriceRule(pkg)
	if ownerDeptId <= 0 {
		return rule, nil
	}

	if targetDeptId > 0 {
		targetPrice, err := s.loadAppRenewPriceOverride(ctx, tenantId, ownerDeptId, 1, targetDeptId, pkg.PackageCode)
		if err != nil {
			return rule, err
		}
		if targetPrice != nil {
			return appRenewPriceRuleFromOverride("target", targetPrice), nil
		}
	}

	defaultPrice, err := s.loadAppRenewPriceOverride(ctx, tenantId, ownerDeptId, 0, 0, pkg.PackageCode)
	if err != nil {
		return rule, err
	}
	if defaultPrice != nil {
		return appRenewPriceRuleFromOverride("agentDefault", defaultPrice), nil
	}
	return rule, nil
}

func appRenewSystemPriceRule(pkg *entity.TSimFlowPackageInfo) appRenewPriceRule {
	return appRenewPriceRule{
		PriceSource:        "system",
		AgentCostRatio:     appNormalizePriceRatio(pkg.SysDefaultRatio),
		AgentCostProfit:    pkg.SysDefaultProfit,
		TerminalCostRatio:  appNormalizePriceRatio(pkg.SysDefaultTerminalRatio),
		TerminalCostProfit: pkg.SysDefaultTerminalProfit,
	}
}

func appRenewPriceRuleFromOverride(priceSource string, price *entity.TSimFlowPackagePrice) appRenewPriceRule {
	if price == nil {
		return appRenewPriceRule{PriceSource: priceSource}
	}
	return appRenewPriceRule{
		PriceSource:         priceSource,
		AgentDefaultPriceId: appRenewDefaultPriceId(priceSource, price.Id),
		TargetPriceId:       appRenewTargetPriceId(priceSource, price.Id),
		AgentCostRatio:      appNormalizePriceRatio(price.AgentCostRatio),
		AgentCostProfit:     price.AgentCostProfit,
		TerminalCostRatio:   appNormalizePriceRatio(price.UserCostRatio),
		TerminalCostProfit:  price.UserCostProfit,
	}
}

func appRenewDefaultPriceId(priceSource string, priceId int64) int64 {
	if priceSource == "agentDefault" {
		return priceId
	}
	return 0
}

func appRenewTargetPriceId(priceSource string, priceId int64) int64 {
	if priceSource == "target" {
		return priceId
	}
	return 0
}

func appRenewTerminalPriceSource(priceSource string) string {
	if priceSource == "agentDefault" {
		return "agentDefaultTerminal"
	}
	if priceSource == "target" {
		return "targetTerminal"
	}
	return priceSource
}

func appRenewApplyPriceRule(baseCost float64, ratio float64, profit float64) float64 {
	return appRoundAmount(baseCost*appNormalizePriceRatio(ratio) + profit)
}

func (s *sAppCard) renewSellerDeptId(ctx context.Context, user *entity.SysUser) (int64, error) {
	if user == nil || user.DeptId <= 0 {
		return 0, nil
	}
	return s.renewSellerDeptIdByDept(ctx, user.TenantId, user.DeptId)
}

func (s *sAppCard) renewSellerDeptIdByDept(ctx context.Context, tenantId string, deptId int64) (int64, error) {
	dept, err := s.loadAppRenewDept(ctx, tenantId, deptId)
	if err != nil {
		return 0, err
	}
	if dept != nil && dept.ParentId > 0 {
		return dept.ParentId, nil
	}
	return deptId, nil
}

// renewPriceOwnerDeptIdByDept 与控制台续费定价一致：定价归属方始终为客户部门的直接上级。
func (s *sAppCard) renewPriceOwnerDeptIdByDept(ctx context.Context, tenantId string, deptId int64) (int64, error) {
	dept, err := s.loadAppRenewDept(ctx, tenantId, deptId)
	if err != nil {
		return 0, err
	}
	if dept == nil || dept.DeptId == 0 {
		return 0, gerror.New("代理组织不存在")
	}
	return dept.ParentId, nil
}

func (s *sAppCard) loadAppRenewDept(ctx context.Context, tenantId string, deptId int64) (*entity.SysDept, error) {
	if deptId <= 0 {
		return nil, nil
	}
	var dept *entity.SysDept
	err := dao.SysDept.Ctx(ctx).
		Where(dao.SysDept.Columns().TenantId, tenantId).
		Where(dao.SysDept.Columns().DeptId, deptId).
		Limit(1).
		Scan(&dept)
	if err != nil {
		return nil, gerror.Wrap(err, "查询代理归属失败")
	}
	return dept, nil
}

func (s *sAppCard) loadAppRenewPriceOverride(ctx context.Context, tenantId string, deptId int64, scopeType int, targetAgentId int64, packageCode string) (*entity.TSimFlowPackagePrice, error) {
	var price *entity.TSimFlowPackagePrice
	err := dao.TSimFlowPackagePrice.Ctx(ctx).
		Where(dao.TSimFlowPackagePrice.Columns().TenantId, tenantId).
		Where(dao.TSimFlowPackagePrice.Columns().DeptId, deptId).
		Where(dao.TSimFlowPackagePrice.Columns().AgentScopeType, scopeType).
		Where(dao.TSimFlowPackagePrice.Columns().TargetAgentId, targetAgentId).
		Where(dao.TSimFlowPackagePrice.Columns().PackageCode, packageCode).
		Limit(1).
		Scan(&price)
	if err != nil {
		return nil, gerror.Wrap(err, "查询续费定价失败")
	}
	if price == nil || price.Id == 0 {
		return nil, nil
	}
	return price, nil
}

func appTerminalBindDeptId(card *appCardQueryRow) int64 {
	return appCardOwnerDeptId(card)
}

func (s *sAppCard) renewOrderParty(ctx context.Context, user *entity.SysUser, card *appCardQueryRow) (*appRenewOrderParty, error) {
	if user == nil || card == nil {
		return nil, gerror.New("续费订单归属信息不完整")
	}
	if s.isTerminalUser(ctx, user) {
		priceOwnerDeptId := appTerminalBindDeptId(card)
		if priceOwnerDeptId <= 0 {
			return nil, gerror.New("卡片归属代理商为空，暂不能续费")
		}
		return &appRenewOrderParty{
			CustomerType:    consts.CustomerTypeTerminal,
			CustomerAgentId: priceOwnerDeptId,
			EndUserId:       user.UserId,
			AgentId:         priceOwnerDeptId,
			CreatedDept:     user.DeptId,
		}, nil
	}
	if user.DeptId <= 0 {
		return nil, gerror.New("当前用户未绑定机构，暂不能续费")
	}
	customerAgentId := appCardOwnerDeptId(card)
	if customerAgentId <= 0 {
		return nil, gerror.New("卡片归属机构为空，暂不能续费")
	}
	return &appRenewOrderParty{
		CustomerType:    consts.CustomerTypeAgent,
		CustomerAgentId: customerAgentId,
		EndUserId:       0,
		AgentId:         user.DeptId,
		CreatedDept:     user.DeptId,
	}, nil
}

func (s *sAppCard) lockRenewCardForSubmit(ctx context.Context, tx gdb.TX, card *appCardQueryRow, expectedCurrentPackageCode string) (*entity.TSimCardInfo, error) {
	if card == nil || card.Id <= 0 {
		return nil, gerror.New("卡信息不存在或无权续费")
	}
	var locked *entity.TSimCardInfo
	err := dao.TSimCardInfo.Ctx(ctx).TX(tx).
		Where(dao.TSimCardInfo.Columns().Id, card.Id).
		LockUpdate().
		Scan(&locked)
	if err != nil {
		return nil, gerror.Wrap(err, "锁定卡信息失败")
	}
	if locked == nil || locked.Id == 0 {
		return nil, gerror.New("卡信息不存在或已变化，请刷新后重试")
	}
	if strings.TrimSpace(locked.TenantId) != strings.TrimSpace(card.TenantId) ||
		strings.TrimSpace(locked.Iccid) != strings.TrimSpace(card.Iccid) {
		return nil, gerror.New("卡片归属已变化，请刷新后重试")
	}
	if card.TerminalBindId > 0 || card.TerminalUserId > 0 {
		bind, err := s.lockRenewTerminalBindForSubmit(ctx, tx, card)
		if err != nil {
			return nil, err
		}
		bindDeptId := bind.DeptId
		if bindDeptId <= 0 {
			bindDeptId = locked.DeptId
		}
		if bindDeptId != appTerminalBindDeptId(card) {
			return nil, gerror.New("卡片归属已变化，请刷新后重试")
		}
		bindPackageCode := strings.TrimSpace(bind.CurrentPackageCode)
		if bindPackageCode == "" {
			bindPackageCode = strings.TrimSpace(locked.CurrentPackageCode)
		}
		if bindPackageCode != strings.TrimSpace(expectedCurrentPackageCode) {
			return nil, gerror.New("当前卡片套餐已变化，请刷新后重试")
		}
		card.TerminalDeptId = bind.DeptId
		card.TerminalCurrentPackageCode = strings.TrimSpace(bind.CurrentPackageCode)
	} else if locked.DeptId != card.DeptId {
		return nil, gerror.New("卡片归属已变化，请刷新后重试")
	} else if strings.TrimSpace(locked.CurrentPackageCode) != strings.TrimSpace(expectedCurrentPackageCode) {
		return nil, gerror.New("当前卡片套餐已变化，请刷新后重试")
	}
	card.TSimCardInfo = *locked
	return locked, nil
}

func (s *sAppCard) lockRenewTerminalBindForSubmit(ctx context.Context, tx gdb.TX, card *appCardQueryRow) (*appSimTerminalRenewLockRow, error) {
	var bind *appSimTerminalRenewLockRow
	mod := dao.TSimTerminal.Ctx(ctx).TX(tx).
		Where(dao.TSimTerminal.Columns().TenantId, card.TenantId).
		Where(dao.TSimTerminal.Columns().Iccid, card.Iccid)
	if card.TerminalBindId > 0 {
		mod = mod.Where(dao.TSimTerminal.Columns().Id, card.TerminalBindId)
	} else {
		mod = mod.Where(dao.TSimTerminal.Columns().TerminalId, card.TerminalUserId)
	}
	err := mod.LockUpdate().Limit(1).Scan(&bind)
	if err != nil {
		return nil, gerror.Wrap(err, "锁定终端卡关联失败")
	}
	if bind == nil || bind.Id == 0 {
		return nil, gerror.New("终端卡关联已变化，请刷新后重试")
	}
	if strings.TrimSpace(bind.TenantId) != strings.TrimSpace(card.TenantId) ||
		strings.TrimSpace(bind.Iccid) != strings.TrimSpace(card.Iccid) ||
		bind.TerminalId != card.TerminalUserId {
		return nil, gerror.New("终端卡关联已变化，请刷新后重试")
	}
	return bind, nil
}

func (s *sAppCard) insertAppRenewOrder(ctx context.Context, tx gdb.TX, user *entity.SysUser, party *appRenewOrderParty, buyerNote string, orderSn string, totalAmount float64, now *gtime.Time) (int64, error) {
	orderId, err := dao.TOrder.Ctx(ctx).TX(tx).Data(do.TOrder{
		OrderSn:            orderSn,
		ParentOrderId:      0,
		ParentOrderSn:      "",
		CustomerType:       party.CustomerType,
		CustomerAgentId:    party.CustomerAgentId,
		EndUserId:          party.EndUserId,
		AgentId:            party.AgentId,
		OrderType:          consts.OrderTypeCardSubscribe,
		OrderStatus:        consts.OrderStatusCompleted,
		ShippingStatus:     0,
		ReturnStatus:       0,
		Consignee:          "",
		Mobile:             "",
		Email:              "",
		Address:            "",
		AreaCode:           "",
		BuyerNote:          strings.TrimSpace(buyerNote),
		AdminNote:          "",
		Remark:             "小程序套餐续费余额扣款订单",
		ShippingMethod:     consts.ShippingMethodNone,
		LogisticsId:        0,
		LogisticsName:      "",
		ShippingTypeId:     0,
		ShippingTypeName:   "",
		TrackingNo:         "",
		PayType:            consts.PayTypeBalance,
		PayStatus:          consts.PayStatusPaid,
		PayOrderSn:         "",
		PayTime:            now,
		TotalAmount:        totalAmount,
		ProductAmount:      totalAmount,
		ShippingFee:        0,
		ServiceFee:         0,
		InvoiceFee:         0,
		CouponAmount:       0,
		DiscountAmount:     0,
		Balance:            totalAmount,
		PaidAmount:         totalAmount,
		OnlinePaidAmount:   0,
		OfflinePaidAmount:  0,
		UnpaidAmount:       0,
		UnrefundAmount:     0,
		IsNeedCommission:   0,
		DistributionStatus: 0,
		TenantId:           user.TenantId,
		CreatedDept:        party.CreatedDept,
		CreatedBy:          user.UserId,
		CreatedAt:          now,
		UpdatedBy:          user.UserId,
		UpdatedAt:          now,
	}).InsertAndGetId()
	if err != nil {
		return 0, gerror.Wrap(err, "创建续费订单失败")
	}
	return orderId, nil
}

func appRenewServicePeriod(expireAt *gtime.Time, months int) (*gtime.Time, *gtime.Time) {
	beginAt := appRenewBeginDateFromExpire(expireAt)
	if beginAt == nil || beginAt.IsZero() {
		beginAt = appRenewBeginDateFromExpire(gtime.Now())
	}
	return beginAt, beginAt.AddDate(0, months, 0)
}

func appRenewSubmitExpireAt(lockedCard *entity.TSimCardInfo, renewCtx *appRenewPackageContext) *gtime.Time {
	var bind *entity.TSimCardBindPkg
	if renewCtx != nil {
		bind = renewCtx.LatestBind
	}
	return appRenewBaseExpireTimeFromEntity(lockedCard, bind)
}

func appRenewMarshalJSON(value any) string {
	data, err := json.Marshal(value)
	if err != nil {
		return "{}"
	}
	return string(data)
}

func appRenewFormatTime(value *gtime.Time) string {
	if value == nil || value.IsZero() {
		return ""
	}
	return value.Format("Y-m-d H:i:s")
}

func appContainsInt(values []int, target int) bool {
	for _, value := range values {
		if value == target {
			return true
		}
	}
	return false
}

func appRenewRecommendIndex(durations []int) int {
	if len(durations) == 0 {
		return -1
	}
	return len(durations) - 1
}

func appRenewDurationSelectionFromParam(durationYears int, durationMonths int, options []int) appRenewDurationSelection {
	years := durationYears
	if years <= 0 {
		years = appRenewDurationYearsFromLegacy(durationMonths, options)
	}
	if years <= 0 {
		return appRenewDurationSelection{}
	}
	return appRenewDurationSelection{
		Years:  years,
		Months: appRenewActualDurationMonths(years),
	}
}

func appRenewDurationYearsFromLegacy(durationMonths int, options []int) int {
	if durationMonths <= 0 {
		return 0
	}
	options = appNormalizeRenewYearOptions(options)
	if appContainsInt(options, durationMonths) {
		return durationMonths
	}
	if durationMonths%12 == 0 && appContainsInt(options, durationMonths/12) {
		return durationMonths / 12
	}
	if durationMonths%12 == 0 {
		return durationMonths / 12
	}
	return durationMonths
}

func appRenewActualDurationMonths(years int) int {
	if years <= 0 {
		return 0
	}
	return years * 12
}

func appRenewTotalAmount(unitPrice float64, durationYears int, quantity int) float64 {
	if quantity <= 0 {
		quantity = 1
	}
	return appRoundAmount(unitPrice * float64(durationYears) * float64(quantity))
}

func appRenewOptionModel(durationYears int, unitPrice float64, totalAmount float64, expireAfter *gtime.Time, recommended bool) *model.AppRenewOptionModel {
	durationMonths := appRenewActualDurationMonths(durationYears)
	return &model.AppRenewOptionModel{
		DurationMonths:       durationMonths,
		ActualDurationMonths: durationMonths,
		DurationYears:        durationYears,
		DurationValue:        durationYears,
		DurationUnit:         appRenewDurationUnitYear,
		DurationUnitText:     appRenewDurationUnitYearText,
		Label:                appRenewDurationYearLabel(durationYears),
		UnitPrice:            unitPrice,
		TotalAmount:          totalAmount,
		PriceText:            fmt.Sprintf("¥%.2f", totalAmount),
		ExpireAfter:          expireAfter,
		Recommended:          recommended,
	}
}

func appRenewDurationYearLabel(years int) string {
	if years <= 0 {
		return ""
	}
	return fmt.Sprintf("%d 年", years)
}

func appRenewDurationLabel(months int) string {
	if months%12 == 0 {
		years := months / 12
		if years == 1 {
			return "1 年"
		}
		return fmt.Sprintf("%d 年", years)
	}
	return fmt.Sprintf("%d 个月", months)
}

func appRenewExpireAfter(expireAt *gtime.Time, months int) *gtime.Time {
	base := appRenewBeginDateFromExpire(expireAt)
	if base == nil || base.IsZero() {
		base = appRenewBeginDateFromExpire(gtime.Now())
	}
	return base.AddDate(0, months, 0)
}

func appRenewEffectiveRule(expireAt *gtime.Time) string {
	if expireAt != nil && !expireAt.IsZero() && expireAt.After(gtime.Now()) {
		return "当前套餐到期后顺延"
	}
	return "按当前套餐到期日顺延"
}

func appRenewBaseExpireTimeFromRow(card *appCardQueryRow, bind *entity.TSimCardBindPkg) *gtime.Time {
	var expireAt *gtime.Time
	if bind != nil && bind.ExpectedExpireTime != nil && !bind.ExpectedExpireTime.IsZero() {
		expireAt = bind.ExpectedExpireTime
	}
	if card == nil || card.FlowPkgEndAt == nil || card.FlowPkgEndAt.IsZero() {
		return expireAt
	}
	if expireAt == nil || card.FlowPkgEndAt.After(expireAt) {
		return card.FlowPkgEndAt
	}
	return expireAt
}

func appRenewBaseExpireTimeFromEntity(card *entity.TSimCardInfo, bind *entity.TSimCardBindPkg) *gtime.Time {
	var expireAt *gtime.Time
	if bind != nil && bind.ExpectedExpireTime != nil && !bind.ExpectedExpireTime.IsZero() {
		expireAt = bind.ExpectedExpireTime
	}
	if card == nil || card.FlowPkgEndAt == nil || card.FlowPkgEndAt.IsZero() {
		return expireAt
	}
	if expireAt == nil || card.FlowPkgEndAt.After(expireAt) {
		return card.FlowPkgEndAt
	}
	return expireAt
}

func appRenewBeginDateFromExpire(expireAt *gtime.Time) *gtime.Time {
	if expireAt == nil || expireAt.IsZero() {
		return nil
	}
	t := expireAt.Time
	return gtime.NewFromTime(time.Date(t.Year(), t.Month(), 0, 23, 59, 59, 0, t.Location()))
}

func appRenewExpireAfterAllowedWindow(expireAt *gtime.Time) bool {
	if expireAt == nil || expireAt.IsZero() {
		return false
	}
	return expireAt.After(gtime.Now().AddDate(0, 6, 0))
}

func appNormalizePriceRatio(ratio float64) float64 {
	if ratio > 10 {
		return ratio / 100
	}
	return ratio
}

func appRoundAmount(value float64) float64 {
	return math.Round(value*100) / 100
}