package dao

import (
	"cid/model/dto"
	"cid/model/entity"
	"context"
	"time"

	"gitea.com/red-future/common/db/mongo"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/util/gconv"
	"go.mongodb.org/mongo-driver/v2/bson"
)

var Advertiser = &advertiser{}

type advertiser struct {
}

// Insert 插入广告主
func (d *advertiser) Insert(ctx context.Context, advertiser *entity.Advertiser) (err error) {
	// 获取stream消息
	redis := g.Redis()
	streamMsg, err := redis.Do(ctx, "XREAD", "STREAMS", "advertiser_stream", "$")
	if err != nil {
		g.Log().Errorf(ctx, "获取stream消息失败: %v", err)
	} else {
		g.Log().Infof(ctx, "获取到stream消息: %v", streamMsg)
	}

	_, err = mongo.DB().Insert(ctx, []interface{}{advertiser}, entity.AdvertiserCollection)
	return
}

// Update 更新广告主
func (d *advertiser) Update(ctx context.Context, req *dto.UpdateAdvertiserReq) (err error) {
	objectId, err := bson.ObjectIDFromHex(req.Id)
	if err != nil {
		return
	}
	filter := bson.M{"_id": objectId}

	// 构建动态更新字段
	updateFields := bson.M{}

	// 基本信息
	if !g.IsEmpty(req.Name) {
		updateFields["name"] = req.Name
	}
	if !g.IsEmpty(req.ContactName) {
		updateFields["contactName"] = req.ContactName
	}
	if !g.IsEmpty(req.ContactPhone) {
		updateFields["contactPhone"] = req.ContactPhone
	}
	if !g.IsEmpty(req.ContactEmail) {
		updateFields["contactEmail"] = req.ContactEmail
	}
	if !g.IsEmpty(req.Company) {
		updateFields["company"] = req.Company
	}
	if !g.IsEmpty(req.Industry) {
		updateFields["industry"] = req.Industry
	}
	if !g.IsEmpty(req.Scale) {
		updateFields["scale"] = req.Scale
	}

	// 证件信息
	if !g.IsEmpty(req.BusinessLicenseUrl) {
		updateFields["businessLicenseUrl"] = req.BusinessLicenseUrl
	}
	if !g.IsEmpty(req.ICPLicenseUrl) {
		updateFields["icpLicenseUrl"] = req.ICPLicenseUrl
	}
	if req.OtherLicenseUrls != nil {
		updateFields["otherLicenseUrls"] = req.OtherLicenseUrls
	}

	// 财务信息
	if !g.IsEmpty(req.BankName) {
		updateFields["bankName"] = req.BankName
	}
	if !g.IsEmpty(req.BankAccount) {
		updateFields["bankAccount"] = req.BankAccount
	}
	if !g.IsEmpty(req.AccountName) {
		updateFields["accountName"] = req.AccountName
	}

	// 合同信息
	if !g.IsEmpty(req.ContractId) {
		updateFields["contractId"] = req.ContractId
	}
	if !g.IsEmpty(req.ContractType) {
		updateFields["contractType"] = req.ContractType
	}
	if !g.IsEmpty(req.ContractUrl) {
		updateFields["contractUrl"] = req.ContractUrl
	}
	if req.SignDate != nil {
		updateFields["signDate"] = *req.SignDate
	}
	if req.ExpireDate != nil {
		updateFields["expireDate"] = *req.ExpireDate
	}

	// 系统信息
	if req.AccountBalance != nil {
		updateFields["accountBalance"] = *req.AccountBalance
	}
	if req.CreditLimit != nil {
		updateFields["creditLimit"] = *req.CreditLimit
	}
	if !g.IsEmpty(req.Remark) {
		updateFields["remark"] = req.Remark
	}

	// 状态信息
	if req.Status != nil {
		updateFields["status"] = *req.Status
	}
	if req.AuditStatus != nil {
		updateFields["auditStatus"] = *req.AuditStatus
	}
	if req.AuditReason != nil {
		updateFields["auditReason"] = *req.AuditReason
	}

	if len(updateFields) > 0 {
		update := bson.M{"$set": updateFields}
		_, err = mongo.DB().Update(ctx, filter, update, entity.AdvertiserCollection)
	}
	return
}

// UpdateStatus 更新广告主状态
func (d *advertiser) UpdateStatus(ctx context.Context, id, status string) (err error) {
	objectId, err := bson.ObjectIDFromHex(id)
	if err != nil {
		return
	}
	filter := bson.M{"_id": objectId}
	update := bson.M{"$set": bson.M{"status": status}}

	_, err = mongo.DB().Update(ctx, filter, update, entity.AdvertiserCollection)
	return
}

// Audit 审核广告主
func (d *advertiser) Audit(ctx context.Context, id, auditStatus, auditReason string) (err error) {
	objectId, err := bson.ObjectIDFromHex(id)
	if err != nil {
		return
	}
	filter := bson.M{"_id": objectId}

	// 获取当前用户ID（实际项目中应从上下文获取）
	auditBy := "system"
	auditTime := time.Now().Unix()

	update := bson.M{
		"$set": bson.M{
			"auditStatus": auditStatus,
			"auditReason": auditReason,
			"auditTime":   auditTime,
			"auditBy":     auditBy,
		},
	}

	_, err = mongo.DB().Update(ctx, filter, update, entity.AdvertiserCollection)
	return
}

// Recharge 充值
func (d *advertiser) Recharge(ctx context.Context, id string, amount int64, remark string) (err error) {
	objectId, err := bson.ObjectIDFromHex(id)
	if err != nil {
		return
	}
	filter := bson.M{"_id": objectId}

	// 先获取当前余额
	advertiser := &entity.Advertiser{}
	err = mongo.DB().FindOne(ctx, filter, advertiser, entity.AdvertiserCollection)
	if err != nil {
		return
	}

	// 更新余额
	newBalance := advertiser.AccountBalance + amount
	update := bson.M{"$set": bson.M{"accountBalance": newBalance}}

	_, err = mongo.DB().Update(ctx, filter, update, entity.AdvertiserCollection)
	return
}

// UpdateCreditLimit 更新授信额度
func (d *advertiser) UpdateCreditLimit(ctx context.Context, id string, creditLimit int64) (err error) {
	objectId, err := bson.ObjectIDFromHex(id)
	if err != nil {
		return
	}
	filter := bson.M{"_id": objectId}
	update := bson.M{"$set": bson.M{"creditLimit": creditLimit}}

	_, err = mongo.DB().Update(ctx, filter, update, entity.AdvertiserCollection)
	return
}

// GetOne 获取单个广告主
func (d *advertiser) GetOne(ctx context.Context, id string) (advertiser *entity.Advertiser, err error) {
	objectId, err := bson.ObjectIDFromHex(id)
	if err != nil {
		return
	}
	filter := bson.M{"_id": objectId}

	advertiser = &entity.Advertiser{}
	err = mongo.DB().FindOne(ctx, filter, advertiser, entity.AdvertiserCollection)
	return
}

// buildListFilter 构建列表查询的过滤条件
func (d *advertiser) buildListFilter(req *dto.ListAdvertiserReq) bson.M {
	filter := bson.M{}

	if !g.IsEmpty(req.Name) {
		filter["name"] = bson.M{"$regex": req.Name, "$options": "i"}
	}
	if !g.IsEmpty(req.ContactName) {
		filter["contactName"] = bson.M{"$regex": req.ContactName, "$options": "i"}
	}
	if !g.IsEmpty(req.Company) {
		filter["company"] = bson.M{"$regex": req.Company, "$options": "i"}
	}
	if !g.IsEmpty(req.Industry) {
		filter["industry"] = req.Industry
	}
	if !g.IsEmpty(req.Status) {
		filter["status"] = req.Status
	}
	if !g.IsEmpty(req.AuditStatus) {
		filter["auditStatus"] = req.AuditStatus
	}

	// 处理日期范围
	if len(req.DateRange) == 2 {
		startTime := gconv.Int64(req.DateRange[0])
		endTime := gconv.Int64(req.DateRange[1])
		filter["createdAt"] = bson.M{
			"$gte": startTime,
			"$lte": endTime,
		}
	}

	return filter
}

// checkTotalCount 检查总数
func (d *advertiser) checkTotalCount(ctx context.Context, filter bson.M) (total int64, err error) {
	total, err = mongo.DB().Count(ctx, filter, entity.AdvertiserCollection)
	return
}

// List 获取广告主列表
func (d *advertiser) List(ctx context.Context, req *dto.ListAdvertiserReq) (list []*entity.Advertiser, total int64, err error) {
	// 构建查询过滤条件
	filter := d.buildListFilter(req)

	// 检查总数
	total, err = d.checkTotalCount(ctx, filter)
	if err != nil {
		return
	}

	// 使用common/mongo的Find方法，自动处理分页、租户等
	total, err = mongo.DB().Find(ctx, filter, &list, entity.AdvertiserCollection, req.Page, nil)
	return
}