package repository

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

type MethodInitInterface[T schema.Tabler] interface {
	Init(repo *RepoBase[T])
}

type RepoOptions struct {
	IdField string
}

type RepoBase[T schema.Tabler] struct {
	IdField string
	dbConn  *gorm.DB

	ListMethod[T]
	GetMethod[T]
	ExistsMethod[T]
	methods []MethodInitInterface[T]
}

func (repo *RepoBase[T]) InitMethods(dbConn *gorm.DB) {
	for _, method := range repo.methods {
		method.Init(repo)
	}
}

func (m *RepoBase[T]) Init(dbConn *gorm.DB, options *RepoOptions) {
	m.dbConn = dbConn

	if options == nil {
		// no options provided? set defaults
		m.IdField = "id"
	} else {
		if len(options.IdField) > 0 {
			m.IdField = options.IdField
		}
	}

	m.methods = []MethodInitInterface[T]{&m.ListMethod, &m.GetMethod, &m.ExistsMethod}
	m.InitMethods(dbConn)
}