package repo

import (
	"context"
	"github.com/1Panel-dev/1Panel/backend/constant"
	"github.com/1Panel-dev/1Panel/backend/global"
	"gorm.io/gorm"
)

type DBOption func(*gorm.DB) *gorm.DB

type ICommonRepo interface {
	WithByID(id uint) DBOption
	WithByName(name string) DBOption
	WithOrderBy(orderStr string) DBOption
	WithLikeName(name string) DBOption
	WithIdsIn(ids []uint) DBOption
}

type CommonRepo struct{}

func (c *CommonRepo) WithByID(id uint) DBOption {
	return func(g *gorm.DB) *gorm.DB {
		return g.Where("id = ?", id)
	}
}

func (c *CommonRepo) WithByName(name string) DBOption {
	return func(g *gorm.DB) *gorm.DB {
		return g.Where("name = ?", name)
	}
}

func (c *CommonRepo) WithByType(name string) DBOption {
	return func(g *gorm.DB) *gorm.DB {
		return g.Where("type = ?", name)
	}
}

func (c *CommonRepo) WithByStatus(status string) DBOption {
	return func(g *gorm.DB) *gorm.DB {
		if len(status) == 0 {
			return g
		}
		return g.Where("status = ?", status)
	}
}

func (c *CommonRepo) WithLikeName(name string) DBOption {
	return func(g *gorm.DB) *gorm.DB {
		return g.Where("name like ?", "%"+name+"%")
	}
}

func (c *CommonRepo) WithOrderBy(orderStr string) DBOption {
	return func(g *gorm.DB) *gorm.DB {
		return g.Order(orderStr)
	}
}

func (c *CommonRepo) WithIdsIn(ids []uint) DBOption {
	return func(g *gorm.DB) *gorm.DB {
		return g.Where("id in (?)", ids)
	}
}

func (c *CommonRepo) WithIdsNotIn(ids []uint) DBOption {
	return func(g *gorm.DB) *gorm.DB {
		return g.Where("id not in (?)", ids)
	}
}

func getTx(ctx context.Context, opts ...DBOption) *gorm.DB {
	if ctx == nil || ctx.Value(constant.DB) == nil {
		return getDb()
	}
	tx := ctx.Value(constant.DB).(*gorm.DB)
	for _, opt := range opts {
		tx = opt(tx)
	}
	return tx
}

func getDb(opts ...DBOption) *gorm.DB {
	db := global.DB
	for _, opt := range opts {
		db = opt(db)
	}
	return db
}