/*
 * Copyright 2010-2013 Ning, Inc.
 * Copyright 2014 Groupon, Inc
 * Copyright 2014 The Billing Project, LLC
 *
 * The Billing Project licenses this file to you under the Apache License, version 2.0
 * (the "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at:
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package org.killbill.billing;

import java.io.IOException;

import org.killbill.billing.platform.test.PlatformDBTestingHelper;
import org.killbill.billing.util.dao.AuditLogModelDaoMapper;
import org.killbill.billing.util.dao.RecordIdIdMappingsMapper;
import org.killbill.billing.util.io.IOUtils;
import org.skife.jdbi.v2.DBI;
import org.skife.jdbi.v2.IDBI;

import com.google.common.io.Resources;

public class DBTestingHelper extends PlatformDBTestingHelper {

    private static DBTestingHelper dbTestingHelper = null;

    public static synchronized DBTestingHelper get() {
        if (dbTestingHelper == null) {
            dbTestingHelper = new DBTestingHelper();
        }
        return dbTestingHelper;
    }

    protected DBTestingHelper() {
        super();
    }

    @Override
    public synchronized IDBI getDBI() throws IOException {
        final DBI dbi = (DBI) super.getDBI();
        dbi.registerMapper(new AuditLogModelDaoMapper());
        dbi.registerMapper(new RecordIdIdMappingsMapper());
        return dbi;
    }

    protected synchronized void executePostStartupScripts() throws IOException {
        // We always want the accounts and tenants table
        instance.executeScript("drop table if exists accounts;" +
                               "CREATE TABLE accounts (\n" +
                               "    record_id int(11) unsigned NOT NULL AUTO_INCREMENT,\n" +
                               "    id char(36) NOT NULL,\n" +
                               "    external_key varchar(128) NULL,\n" +
                               "    email varchar(128) NOT NULL,\n" +
                               "    name varchar(100) NOT NULL,\n" +
                               "    first_name_length int NOT NULL,\n" +
                               "    currency char(3) DEFAULT NULL,\n" +
                               "    billing_cycle_day_local int DEFAULT NULL,\n" +
                               "    billing_cycle_day_utc int DEFAULT NULL,\n" +
                               "    payment_method_id char(36) DEFAULT NULL,\n" +
                               "    time_zone varchar(50) DEFAULT NULL,\n" +
                               "    locale varchar(5) DEFAULT NULL,\n" +
                               "    address1 varchar(100) DEFAULT NULL,\n" +
                               "    address2 varchar(100) DEFAULT NULL,\n" +
                               "    company_name varchar(50) DEFAULT NULL,\n" +
                               "    city varchar(50) DEFAULT NULL,\n" +
                               "    state_or_province varchar(50) DEFAULT NULL,\n" +
                               "    country varchar(50) DEFAULT NULL,\n" +
                               "    postal_code varchar(16) DEFAULT NULL,\n" +
                               "    phone varchar(25) DEFAULT NULL,\n" +
                               "    migrated bool DEFAULT false,\n" +
                               "    is_notified_for_invoices boolean NOT NULL,\n" +
                               "    created_date datetime NOT NULL,\n" +
                               "    created_by varchar(50) NOT NULL,\n" +
                               "    updated_date datetime DEFAULT NULL,\n" +
                               "    updated_by varchar(50) DEFAULT NULL,\n" +
                               "    tenant_record_id int(11) unsigned default null,\n" +
                               "    PRIMARY KEY(record_id)\n" +
                               ");");
        instance.executeScript("DROP TABLE IF EXISTS tenants;\n" +
                               "CREATE TABLE tenants (\n" +
                               "    record_id int(11) unsigned NOT NULL AUTO_INCREMENT,\n" +
                               "    id char(36) NOT NULL,\n" +
                               "    external_key varchar(128) NULL,\n" +
                               "    api_key varchar(128) NULL,\n" +
                               "    api_secret varchar(128) NULL,\n" +
                               "    api_salt varchar(128) NULL,\n" +
                               "    created_date datetime NOT NULL,\n" +
                               "    created_by varchar(50) NOT NULL,\n" +
                               "    updated_date datetime DEFAULT NULL,\n" +
                               "    updated_by varchar(50) DEFAULT NULL,\n" +
                               "    PRIMARY KEY(record_id)\n" +
                               ");");

        // We always want the basic tables when we do account_record_id lookups (e.g. for custom fields, tags or junction)
        instance.executeScript("DROP TABLE IF EXISTS bundles;\n" +
                               "CREATE TABLE bundles (\n" +
                               "    record_id int(11) unsigned NOT NULL AUTO_INCREMENT,\n" +
                               "    id char(36) NOT NULL,\n" +
                               "    external_key varchar(64) NOT NULL,\n" +
                               "    account_id char(36) NOT NULL,\n" +
                               "    last_sys_update_date datetime,\n" +
                               "    created_by varchar(50) NOT NULL,\n" +
                               "    created_date datetime NOT NULL,\n" +
                               "    updated_by varchar(50) NOT NULL,\n" +
                               "    updated_date datetime NOT NULL,\n" +
                               "    account_record_id int(11) unsigned default null,\n" +
                               "    tenant_record_id int(11) unsigned default null,\n" +
                               "    PRIMARY KEY(record_id)\n" +
                               ");");
        instance.executeScript("DROP TABLE IF EXISTS subscriptions;\n" +
                               "CREATE TABLE subscriptions (\n" +
                               "    record_id int(11) unsigned NOT NULL AUTO_INCREMENT,\n" +
                               "    id char(36) NOT NULL,\n" +
                               "    bundle_id char(36) NOT NULL,\n" +
                               "    category varchar(32) NOT NULL,\n" +
                               "    start_date datetime NOT NULL,\n" +
                               "    bundle_start_date datetime NOT NULL,\n" +
                               "    active_version int(11) DEFAULT 1,\n" +
                               "    charged_through_date datetime DEFAULT NULL,\n" +
                               "    paid_through_date datetime DEFAULT NULL,\n" +
                               "    created_by varchar(50) NOT NULL,\n" +
                               "    created_date datetime NOT NULL,\n" +
                               "    updated_by varchar(50) NOT NULL,\n" +
                               "    updated_date datetime NOT NULL,\n" +
                               "    account_record_id int(11) unsigned default null,\n" +
                               "    tenant_record_id int(11) unsigned default null,\n" +
                               "    PRIMARY KEY(record_id)\n" +
                               ");");

        // HACK (PIERRE): required by invoice tests which perform payments lookups to find the account record id for the internal callcontext
        instance.executeScript("DROP TABLE IF EXISTS payments;\n" +
                               "CREATE TABLE payments (\n" +
                               "    record_id int(11) unsigned NOT NULL AUTO_INCREMENT,\n" +
                               "    id char(36) NOT NULL,\n" +
                               "    account_id char(36) NOT NULL,\n" +
                               "    invoice_id char(36) NOT NULL,\n" +
                               "    payment_method_id char(36) NOT NULL,\n" +
                               "    amount numeric(15,9),\n" +
                               "    currency char(3),\n" +
                               "    effective_date datetime,\n" +
                               "    payment_status varchar(50),\n" +
                               "    created_by varchar(50) NOT NULL,\n" +
                               "    created_date datetime NOT NULL,\n" +
                               "    updated_by varchar(50) NOT NULL,\n" +
                               "    updated_date datetime NOT NULL,\n" +
                               "    account_record_id int(11) unsigned default null,\n" +
                               "    tenant_record_id int(11) unsigned default null,\n" +
                               "    PRIMARY KEY (record_id)\n" +
                               ");");

        for (final String pack : new String[]{"catalog", "account", "analytics", "beatrix", "subscription", "util", "payment", "invoice", "entitlement", "usage", "meter", "tenant"}) {
            for (final String ddlFile : new String[]{"ddl.sql", "ddl_test.sql"}) {
                final String ddl;
                try {
                    ddl = IOUtils.toString(Resources.getResource("org/killbill/billing/" + pack + "/" + ddlFile).openStream());
                } catch (final IllegalArgumentException ignored) {
                    // The test doesn't have this module ddl in the classpath - that's fine
                    continue;
                }
                instance.executeScript(ddl);
            }
        }
    }
}
