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"
	"joylink.club/bj-rtsts-server/sys_error"
)

// 查询草稿列表
func PageDraftingQuery(query *dto.PageDraftingReqDto) *dto.PageDto[*dto.DraftingResDto] {
	d, u := dbquery.Drafting, dbquery.User
	dq := d.LeftJoin(u, u.ID.EqCol(d.CreatorID)).
		Select(d.ID, d.Name, d.Category, d.Type, d.CreatorID, d.CreatedAt, d.UpdateAt, u.Name.As("creator")).
		Where()
	if query.Name != "" {
		dq = dq.Where(d.Name.Like(fmt.Sprintf("%%%s%%", query.Name)))
	}
	var records []*dto.DraftingResDto
	total, err := dq.Debug().Order(d.UpdateAt.Desc()).ScanByPage(&records, query.Offset(), query.Size)
	if err != nil {
		panic(sys_error.New("草稿查询错误", err))
	}
	return &dto.PageDto[*dto.DraftingResDto]{Total: int(total), PageQueryDto: query.PageQueryDto, Records: records}
}

func ListDraftingQuery(query *dto.ListDraftingReqDto) []*model.Drafting {
	d := dbquery.Drafting
	dq := d.Where()
	if query.Type != 0 {
		dq = dq.Where(d.Type.Eq(query.Type))
	}
	records, err := dq.Debug().Omit(d.Proto).Order(d.UpdateAt.Desc()).Find()
	if err != nil {
		panic(sys_error.New("草稿查询错误", err))
	}
	return records
}

// 创建草稿
func CreateDrafting(createId int32, dd *dto.DraftingDto) *model.Drafting {
	if err := checkDraftingInfo(dd.Name); err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	d := model.Drafting{
		Name:      dd.Name,
		Category:  dd.Category,
		Type:      int32(dd.Type),
		Proto:     dd.Proto,
		CreatorID: createId,
		CreatedAt: time.Now(),
		UpdateAt:  time.Now(),
	}
	err := dbquery.Drafting.Save(&d)
	if err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	data, err := dbquery.Drafting.Where(
		dbquery.Drafting.Name.Eq(dd.Name),
		dbquery.Drafting.CreatorID.Eq(createId),
	).Order(dbquery.Drafting.CreatedAt).Debug().First()
	if err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	return data
}

// 另存为
func SaveAsDrafting(createId int32, oldId int32, dd *dto.DraftingDto) *model.Drafting {
	if err := checkDraftingInfo(dd.Name); err != nil {
		return nil
	}
	oldD, err := dbquery.Drafting.Where(dbquery.Drafting.ID.Eq(oldId)).Debug().First()
	if oldD == nil || err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	newD := model.Drafting{
		Name:      dd.Name,
		Proto:     oldD.Proto,
		CreatorID: createId,
		CreatedAt: time.Now(),
		UpdateAt:  time.Now(),
		Category:  oldD.Category,
		Type:      oldD.Type,
	}
	if err = dbquery.Drafting.Save(&newD); err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	data, err := dbquery.Drafting.Where(
		dbquery.Drafting.Name.Eq(dd.Name),
		dbquery.Drafting.CreatorID.Eq(createId),
	).Order(dbquery.Drafting.CreatedAt).Debug().First()
	if err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	return data
}

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

func UpdateDrafting(id int32, dd *dto.DraftingDto) bool {
	findOldQuery := dbquery.Drafting
	oldD, err := findOldQuery.Where(findOldQuery.ID.Eq(id)).Debug().First()
	if oldD == nil || err != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err.Error()})
	}
	if dd.Proto != nil {
		oldD.Proto = dd.Proto
	}
	if len(dd.Name) > 0 {
		oldD.Name = dd.Name
	}
	oldD.UpdateAt = time.Now()
	_, err2 := dbquery.Drafting.Updates(oldD)
	if err2 != nil {
		panic(dto.ErrorDto{Code: dto.QueryDBError, Message: err2.Error()})
	}
	return true
}

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

func checkDraftingInfo(name string) error {
	findNameQuery := dbquery.Drafting
	count, err := findNameQuery.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"})
	}
	return err
}