package dao

import (
	"assets/consts/public"
	dto "assets/model/dto/asset"
	entity "assets/model/entity/asset"
	"context"

	"gitea.com/red-future/common/db/gfdb"
	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/util/gconv"
	"github.com/gogf/gf/v2/util/guid"

	"github.com/gogf/gf/v2/frame/g"
)

var Category = new(category)

type category struct {
}

// Insert 插入分类
func (d *category) Insert(ctx context.Context, req *dto.CreateCategoryReq) (res *entity.Category, err error) {
	if err = gconv.Struct(req, &res); err != nil {
		return
	}
	res.Bid = guid.S()
	_, err = gfdb.DB(ctx).Model(ctx, public.CategoryCollection).Insert(&res)
	return res, nil
}

// Update 更新分类
func (d *category) Update(ctx context.Context, req *dto.UpdateCategoryReq) (err error) {
	model := gfdb.DB(ctx).Model(ctx, public.CategoryCollection).Data(gconv.Map(&req)).OmitEmpty()
	if !g.IsEmpty(req.Bid) {
		model.Where("bid", req.Bid)
	}
	if !g.IsEmpty(req.Id) {
		model.Where("id", req.Id)
	}
	_, err = model.Update()
	return
}

// GetOne 获取单个分类
func (d *category) GetOne(ctx context.Context, req *dto.GetCategoryReq, fields ...string) (category *entity.Category, err error) {
	model := gfdb.DB(ctx).Model(ctx, public.CategoryCollection)
	if !g.IsEmpty(req.Bid) {
		model.Where(entity.CategoryCol.Bid, req.Bid)
	}
	if !g.IsEmpty(req.Id) {
		model.Where(entity.CategoryCol.Id, req.Id)
	}
	res, err := model.Fields(fields).One()
	err = res.Struct(&category)
	return
}

// DeleteFake 删除分类-根据id及父id进行假删
func (d *category) DeleteFake(ctx context.Context, req *dto.DeleteCategoryReq) (err error) {
	model := gfdb.DB(ctx).Model(ctx, public.CategoryCollection)
	model.Where(entity.CategoryCol.Bid, req.Bid)
	_, err = model.Delete()
	return
}

// Count 根据条件统计分类数量
func (d *category) Count(ctx context.Context, req *dto.ListCategoryReq) (count int64, err error) {
	m := d.buildListFilter(ctx, req)
	c, err := m.Count()
	return int64(c), err
}

// List 获取分类列表
func (d *category) List(ctx context.Context, req *dto.ListCategoryReq, fields ...string) (res []entity.Category, total int, err error) {
	model := d.buildListFilter(ctx, req)
	model.Fields(fields)
	r, total, err := model.AllAndCount(false)
	err = gconv.Structs(r.List(), &res)
	return
}

// buildListFilter 构建列表查询的过滤条件
func (d *category) buildListFilter(ctx context.Context, req *dto.ListCategoryReq) *gdb.Model {
	model := gfdb.DB(ctx).Model(ctx, public.CategoryCollection).Model
	if !g.IsEmpty(req.Keyword) {
		model.WhereLike(entity.CategoryCol.Name, "%"+req.Keyword+"%")
	}
	model.Where(entity.CategoryCol.ParentId, req.ParentId)
	model.Where(entity.CategoryCol.Status, req.Status)
	model.OrderAsc(entity.CategoryCol.Sort)
	model.OrderDesc(entity.CategoryCol.CreatedAt)
	model.OmitEmptyWhere()
	return model
}