package notification

import (
	"context"
	"time"
	"tyc-server/common/xerr"

	"github.com/jinzhu/copier"
	"github.com/pkg/errors"

	"tyc-server/app/main/api/internal/svc"
	"tyc-server/app/main/api/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
)

type GetNotificationsLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewGetNotificationsLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetNotificationsLogic {
	return &GetNotificationsLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *GetNotificationsLogic) GetNotifications() (resp *types.GetNotificationsResp, err error) {
	// 获取今天的日期
	now := time.Now()

	// 获取开始和结束日期的时间戳
	todayStart := now.Format("2006-01-02") + " 00:00:00"
	todayEnd := now.Format("2006-01-02") + " 23:59:59"

	// 构建查询条件
	builder := l.svcCtx.GlobalNotificationsModel.SelectBuilder().
		Where("status = ?", "active").
		Where("(start_date IS NULL OR start_date <= ?)", todayEnd). // start_date 是 NULL 或者小于等于今天结束时间
		Where("(end_date IS NULL OR end_date >= ?)", todayStart)    // end_date 是 NULL 或者大于等于今天开始时间

	notificationsModelList, findErr := l.svcCtx.GlobalNotificationsModel.FindAll(l.ctx, builder, "")
	if findErr != nil {
		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "全局通知, 查找通知失败, err:%+v", findErr)
	}

	var notifications []types.Notification
	copyErr := copier.Copy(&notifications, &notificationsModelList)
	if copyErr != nil {
		return nil, errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "全局通知, 复制结构体失败, err:%+v", copyErr)
	}

	return &types.GetNotificationsResp{Notifications: notifications}, nil
}