package admin

import (
    "context"
	v1 "github.com/go-nunu/nunu-layout-advanced/api/v1"
	adminApi "github.com/go-nunu/nunu-layout-advanced/api/v1/admin"
	"github.com/go-nunu/nunu-layout-advanced/internal/model"
	"github.com/go-nunu/nunu-layout-advanced/internal/repository"
	"math"
	"strings"
)

type WafManageRepository interface {
	GetWafManageList(ctx context.Context,req adminApi.WafManageList) (*v1.PaginatedResponse[adminApi.WafManageListRes], error)
}

func NewWafManageRepository(
	repository *repository.Repository,
) WafManageRepository {
	return &wafManageRepository{
		Repository: repository,
	}
}

type wafManageRepository struct {
	*repository.Repository
}

func (r *wafManageRepository) GetWafManageList(ctx context.Context,req adminApi.WafManageList) (*v1.PaginatedResponse[adminApi.WafManageListRes], error) {
	var res []adminApi.WafManageListRes
	var total int64

	query := r.DB(ctx).Model(&model.GlobalLimit{}).Table("shd_waf as waf")

	query = query.Joins("left join shd_clients as user on user.id = waf.uid")
	query = query.Joins("left join shd_host as host on host.id = waf.host_id")
	query = query.Where("waf.state = ?", 1)

	if req.Id > 0 {
		query = query.Where("waf.uid = ?", req.Id)
	}

	if req.Name != "" {
		trimmedName := strings.TrimSpace(req.Name)
		// 使用 LIKE 进行模糊匹配
		query = query.Where("waf.name LIKE CONCAT('%', ?, '%')", trimmedName)
	}

	if req.HostId > 0 {
		query = query.Where("waf.host_id = ?", req.HostId)
	}

	if req.Username != "" {
		trimmedName := strings.TrimSpace(req.Username)
		// 使用 LIKE 进行模糊匹配
		query = query.Where("user.username LIKE CONCAT('%', ?, '%')", trimmedName)
	}

	if !req.ExpiredAt.IsZero() {
		// 使用 LIKE 进行模糊匹配
		query = query.Where("waf.expired_at <= ?", req.ExpiredAt)
	}

	if req.Column != "" && req.Order != "" {
		query = query.Order(req.Column + " " + req.Order)
	}

	if err := query.Count(&total).Error; err != nil {
		return 	nil, err
	}


	page := req.Current
	pageSize := req.PageSize

	if page <= 0 {
		page = 1
	}

	if pageSize <= 0 {
		pageSize = 10
	} else if pageSize > 100 {
		pageSize = 100
	}

	offset := (page - 1) * pageSize
	result := query.Offset(offset).Limit(pageSize).Find(&res)
	if result.Error != nil {
		return nil, result.Error
	}
	return &v1.PaginatedResponse[adminApi.WafManageListRes]{
		Records: res,
		Page: page,
		PageSize: pageSize,
		Total: total,
		TotalPages: int(math.Ceil(float64(total) / float64(pageSize))),
	}, nil

}