import {Inject, Injectable} from '../di'
import {DatabaseService, FieldType, Migration, Schema} from '../orm'

/**
 * Migration that creates the users table used by @extollo/lib.auth.
 */
@Injectable()
export default class CreateUsersTableMigration extends Migration {
    @Inject()
    protected readonly db!: DatabaseService

    async up(): Promise<void> {
        const schema: Schema = this.db.get().schema()
        const table = await schema.table('users')

        table.primaryKey('user_id')
            .required()

        table.column('first_name')
            .type(FieldType.varchar)
            .required()

        table.column('last_name')
            .type(FieldType.varchar)
            .required()

        table.column('password_hash')
            .type(FieldType.text)
            .nullable()

        table.column('username')
            .type(FieldType.varchar)
            .required()
            .unique()

        await schema.commit(table)
    }

    async down(): Promise<void> {
        const schema: Schema = this.db.get().schema()
        const table = await schema.table('users')

        table.dropIfExists()

        await schema.commit(table)
    }
}