package sdbc

import (
	"context"
	"gorm.io/gorm"
)

type _delete struct {
	scope  *scope
	sdbc   *Driver
	ctx    context.Context
	where  []any
	isHard bool
}

// SetWhere 设置删除条件
func (d *_delete) SetWhere(query any, args ...any) *_delete {
	d.where = append(d.where, query, args)
	return d
}

// SetHardDelete 设置硬删除删除
func (d *_delete) SetHardDelete(hard bool) *_delete {
	d.isHard = hard
	return d
}

// DeleteByID 通过主键删除记录
func (d *_delete) DeleteByID(id any) error {
	db := d.sdbc.client
	if d.isHard {
		db = db.Unscoped()
	}
	return db.Delete(d.scope.model.ptr(), id).Error
}

// Delete 基于条件做删除 无条件删除使用 MustDelete
func (d *_delete) Delete() error {
	db := d.sdbc.client
	if d.isHard {
		db = db.Unscoped()
	}
	if len(d.where) != 0 {
		db = db.Where(d.where[0], d.where[1:]...)
	}
	return db.Delete(d.scope.model.ptr()).Error
}

// MustDelete 基于条件做删除 无条件则全部删除
func (d *_delete) MustDelete() error {
	db := d.sdbc.client
	if d.isHard {
		db = db.Unscoped()
	}
	if len(d.where) != 0 {
		db = db.Where(d.where[0], d.where[1:]...)
	}
	return db.Session(&gorm.Session{AllowGlobalUpdate: true}).Delete(d.scope.model.ptr()).Error
}