package service

import (
	"fmt"
	"time"

	"joylink.club/bj-rtsts-server/db/dbquery"
	"joylink.club/bj-rtsts-server/db/model"
	"joylink.club/bj-rtsts-server/dto"
)

// 查询草稿列表
func PageCategoryQuery(query *dto.PageCategoryReqDto) *dto.PageDto[*model.Category] {
	d := dbquery.Category
	dq := d.Where()
	if query.Name != "" {
		dq = dq.Where(d.Name.Like(fmt.Sprintf("%%%s%%", query.Name)))
	}
	records, total, err := dq.Debug().Select(d.ID, d.Code, d.Name, d.UpdateAt, d.CreatedAt).FindByPage(query.Offset(), query.Size)
	if err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	return &dto.PageDto[*model.Category]{Total: int(total), PageQueryDto: query.PageQueryDto, Records: records}
}

// 查询草稿列表
func ListCategoryQuery(query *dto.CategoryReqDto) []*model.Category {
	d := dbquery.Category
	dq := d.Where()
	if query.Name != "" {
		dq = dq.Where(d.Name.Like(fmt.Sprintf("%%%s%%", query.Name)))
	}
	records, err := dq.Debug().Select(d.ID, d.Code, d.Name, d.UpdateAt, d.CreatedAt).Find()
	if err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	return records
}

// 创建草稿
func CreateCategory(cd *dto.CategoryDto) *model.Category {
	if err := checkCategoryInfo(cd.Name, cd.Code, 0); err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	d := model.Category{
		Name:      cd.Name,
		Code:      cd.Code,
		Config:    cd.Config,
		CreatedAt: time.Now(),
		UpdateAt:  time.Now(),
	}
	err := dbquery.Category.Save(&d)
	if err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	data, err := dbquery.Category.Where(dbquery.Category.Name.Eq(cd.Name)).Order(dbquery.Category.CreatedAt).Debug().First()
	if err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	return data
}

func QueryCategory(id int32) *model.Category {
	data, err := dbquery.Category.Where(dbquery.Category.ID.Eq(id)).Debug().First()
	if err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	return data
}

func UpdateCategory(id int32, cd *dto.CategoryDto) bool {
	if err := checkCategoryInfo(cd.Name, cd.Code, id); err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	findOldQuery := dbquery.Category
	oldD, err := findOldQuery.Where(findOldQuery.ID.Eq(id)).Debug().First()
	if oldD == nil || err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	oldD.Code = cd.Code
	oldD.Config = cd.Config
	oldD.Name = cd.Name
	oldD.UpdateAt = time.Now()
	_, error := dbquery.Category.Updates(oldD)
	if error != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	return true
}

func DeleteCategoryById(id int) {
	_, _ = dbquery.Category.Debug().Where(dbquery.Category.ID.Eq(int32(id))).Delete()
}

func checkCategoryInfo(name string, code string, id int32) error {
	findNameQuery := dbquery.Category
	w := findNameQuery.Where()
	if id != 0 {
		w = w.Where(findNameQuery.ID.NotIn(id))
	}
	if name != "" {
		count, err := w.Where(findNameQuery.Name.Eq(name)).Debug().Count()
		if err != nil {
			panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
		}
		if count > 0 {
			panic(dto.ErrorDto{Code: dto.DataAlreadyExist, Message: "名称已存在"})
		}
	}
	if code != "" {
		count, err := w.Where(findNameQuery.Code.Eq(code)).Debug().Count()
		if err != nil {
			panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
		}
		if count > 0 {
			panic(dto.ErrorDto{Code: dto.DataAlreadyExist, Message: "编码已存在"})
		}
	}
	return nil
}