'use strict';

exports.up = function(knex, Promise) {
    return Promise.all([
        knex.schema.createTable("images", (table) => {
            table.increments("id");
            table.integer("userId").notNullable(); // user that added it
            table.uuid("fileId").notNullable();
            table.text("name");
            table.text("description");
            table.enum("sourceType", ["local", "http", "upload"]).notNullable();
            table.text("source"); // URL, path, etc.
            table.enum("imageType", ["disk", "tarball"]).notNullable(); // eg. tarballs for OpenVZ
            table.boolean("public").notNullable(); // whether the image should be visible to everybody, or just its owner
            table.boolean("isInstallMedium").notNullable(); // whether the image is just for installation (if not, it will be directly clonable)
        }),
        knex.schema.createTable("instances", (table) => {
            table.increments("id");
            table.integer("userId").notNullable();
            table.integer("imageId");
            table.integer("lastInstallationMediaId");
            table.text("comment");
            table.text("customIdentifier");
            table.enum("virtualizationType", ["kvm"]).notNullable();
            table.integer("memory").notNullable(); // in MB
            table.integer("swap"); // in MB
            table.integer("diskSpace").notNullable(); // in MB
            table.integer("traffic"); // in MB
            table.boolean("suspended").notNullable();
            table.text("suspensionReason");
            table.boolean("terminated").notNullable();
            table.text("terminationReason");
            table.boolean("running");
        }),
        knex.schema.createTable("users", (table) => {
            table.increments("id");
            table.text("username").notNullable();
            table.text("hash").notNullable();
            table.text("emailAddress").notNullable();
            table.boolean("active").notNullable();
        })
    ]);
};

exports.down = function(knex, Promise) {
    return Promise.all([
        knex.schema.dropTable("images"),
        knex.schema.dropTable("instances"),
        knex.schema.dropTable("users")
    ]);
};