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

var Category = new(category)

type category struct {
}

// Insert 插入分类
func (d *category) Insert(ctx context.Context, req *dto.CreateCategoryReq) (id int64, err error) {
	var res *entity.Category
	if err = gconv.Struct(req, &res); err != nil {
		return
	}
	r, err := gfdb.DB(ctx).Model(ctx, public.CategoryCollection).Insert(&res)
	if err != nil {
		return
	}
	return r.LastInsertId()
}

// Update 更新分类
func (d *category) Update(ctx context.Context, req *dto.UpdateCategoryReq) (rows int64, err error) {
	r, err := gfdb.DB(ctx).Model(ctx, public.CategoryCollection).Data(&req).OmitEmpty().Where(entity.CategoryCol.Id, req.Id).Update()
	if err != nil {
		return
	}
	return r.RowsAffected()
}

// Delete 删除分类-根据id及父id进行假删
func (d *category) Delete(ctx context.Context, req *dto.DeleteCategoryReq) (rows int64, err error) {
	r, err := gfdb.DB(ctx).Model(ctx, public.CategoryCollection).Where(entity.CategoryCol.Id, req.Id).Delete()
	if err != nil {
		return
	}
	return r.RowsAffected()
}

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

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

// 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)
	model.OrderAsc(entity.CategoryCol.Sort)
	model.OrderDesc(entity.CategoryCol.CreatedAt)
	if req.Page != nil {
		model.Page(int(req.Page.PageNum), int(req.Page.PageSize))
	}
	r, total, err := model.AllAndCount(false)
	if err != nil {
		return
	}
	err = r.Structs(&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).Cache(ctx)
	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.OmitEmptyWhere()
	return model
}