exports.up = async knex => {
    await knex.schema.createTable('accounts', table => {
        table.uuid('id').primary();
        table.timestamps(true, true);

        table.string('name', 42).notNullable().unique();
        table.string('password').notNullable();

        table.string('token', 64)
            .notNullable()
            .index();

        table.timestamp('token_expiry').notNullable();

        table.bigInteger('balance')
            .defaultTo(0)
            .notNullable();

        table.bool('subscribed')
            .defaultTo(false)
            .notNullable();

        table.index('name');
    });

    await knex.schema.raw(`
        ALTER TABLE accounts
        ADD CHECK (balance >= 0);
    `);

    return true;
};

exports.down = async () => {};