package appservice

import (
	"git.deuxfleurs.fr/Deuxfleurs/easybridge/connector"
	"github.com/jinzhu/gorm"
	_ "github.com/jinzhu/gorm/dialects/mysql"
	_ "github.com/jinzhu/gorm/dialects/postgres"
	_ "github.com/jinzhu/gorm/dialects/sqlite"
)

var db *gorm.DB

func InitDb() error {
	var err error

	db, err = gorm.Open(config.DbType, config.DbPath)
	if err != nil {
		return err
	}

	db.AutoMigrate(&DbUserMap{})
	db.Model(&DbUserMap{}).AddIndex("idx_protocol_user", "protocol", "user_id")

	db.AutoMigrate(&DbRoomMap{})
	db.Model(&DbRoomMap{}).AddIndex("idx_protocol_room", "protocol", "room_id")

	db.AutoMigrate(&DbPmRoomMap{})
	db.Model(&DbPmRoomMap{}).AddIndex("idx_protocol_user_account_user", "protocol", "user_id", "mx_user_id", "account_name")

	return nil
}

// User mapping between protocol user IDs and puppeted matrix ids
type DbUserMap struct {
	gorm.Model

	Protocol string
	UserID connector.UserID
	MxUserID string `gorm:"index:mxuserid"`
}

// Room mapping between Matrix rooms and outside rooms
type DbRoomMap struct {
	gorm.Model

	// Network protocol
	Protocol string

	// Room id on the bridged network
	RoomID connector.RoomID

	// Bridged room matrix id
	MxRoomID string `gorm:"index:mxroomid"`
}

// Room mapping between Matrix rooms and private messages
type DbPmRoomMap struct {
	gorm.Model

	// User id and account name of the local end viewed on Matrix
	MxUserID string
	Protocol string
	AccountName string

	// User id to reach them
	UserID connector.RoomID

	// Bridged room for PMs
	MxRoomID string `gorm:"index:mxroomoid"`
}