module.exports = function (sequelize, DataTypes, options) {
    const model = sequelize.define("lock", {
        id: {
            type: DataTypes.STRING,
            defaultValue: function() {
                return options.generateUniqueId()
            },
            primaryKey: true,
            unique: true
        },
        userIdentifier: {
            type: DataTypes.STRING,
            allowNull: false
        },
        url: {
            type: DataTypes.STRING,
            allowNull: false
        },
        signature: {
            // Derivation from the master key...
            // TODO: Add validation...
            type: DataTypes.STRING,
            allowNull: false,
            unique: true
        },
        message: {
            type: DataTypes.STRING,
            allowNull: false
        }
    }, {
        comment: "lock which our keys has access to"
    });

    model.associate = (db) => {
        model.ExtendedPublicKey = model.belongsTo(db.ExtendedPublicKey);
    }

    return model;
};