package service

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

	"github.com/gogf/gf/v2/util/gconv"
)

var Advertisement = new(advertisement)

type advertisement struct{}

// Add 添加广告
func (s *advertisement) Add(ctx context.Context, req *dto.AddAdvertisementReq) (res *dto.AddAdvertisementRes, err error) {
	advertisement := &entity.Advertisement{}
	if err = gconv.Struct(req, advertisement); err != nil {
		return
	}

	// 设置基础字段
	now := time.Now()
	advertisement.CreatedAt = now
	advertisement.UpdatedAt = now
	advertisement.IsDeleted = false

	// 设置初始状态
	advertisement.Status = "待审核"

	if err = dao.Advertisement.Insert(ctx, advertisement); err != nil {
		return
	}

	res = &dto.AddAdvertisementRes{Id: advertisement.Id.Hex()}
	return
}

// Update 更新广告
func (s *advertisement) Update(ctx context.Context, req *dto.UpdateAdvertisementReq) (err error) {
	// 更新修改时间（不需要设置，DAO层会处理）
	return dao.Advertisement.Update(ctx, req)
}

// UpdateStatus 更新广告状态
func (s *advertisement) UpdateStatus(ctx context.Context, req *dto.UpdateAdStatusReq) (err error) {
	return dao.Advertisement.UpdateStatus(ctx, req.Id, req.Status)
}

// Audit 审核广告
func (s *advertisement) Audit(ctx context.Context, req *dto.AuditAdvertisementReq) (err error) {
	return dao.Advertisement.Audit(ctx, req.Id, req.AuditStatus, req.AuditReason)
}

// GetOne 获取广告详情
func (s *advertisement) GetOne(ctx context.Context, req *dto.GetAdvertisementReq) (res *dto.GetAdvertisementRes, err error) {
	advertisement, err := dao.Advertisement.GetOne(ctx, req.Id)
	if err != nil {
		return
	}

	res = &dto.GetAdvertisementRes{
		Advertisement: advertisement,
	}
	return
}

// List 获取广告列表
func (s *advertisement) List(ctx context.Context, req *dto.ListAdvertisementReq) (res *dto.ListAdvertisementRes, err error) {
	list, total, err := dao.Advertisement.List(ctx, req)
	if err != nil {
		return
	}

	res = &dto.ListAdvertisementRes{
		List:  list,
		Total: int(total),
	}
	return
}

// UpdateAdStatistics 更新广告统计
func (s *advertisement) UpdateAdStatistics(ctx context.Context, id string, impressions, clicks, conversions int64, cost int64) (err error) {
	return
}