-- MS SQL Server Database Setup for Weather Connect
-- Run this as a user with CREATE DATABASE privileges (e.g., sa or sysadmin role)
-- This script creates the database and sets it up for use with Always On Availability Groups

-- 1. Check current server and database status
SELECT @@SERVERNAME AS ServerName, @@VERSION AS SQLVersion;
GO

-- 2. Create the database
-- Note: For Always On Availability Groups, the database must be created with FULL recovery model
IF NOT EXISTS (SELECT name FROM sys.databases WHERE name = 'WeatherDB')
BEGIN
    CREATE DATABASE WeatherDB;
    PRINT 'Database WeatherDB created successfully.';
END
ELSE
BEGIN
    PRINT 'Database WeatherDB already exists.';
END
GO

-- 3. Set recovery model to FULL (required for Always On AG)
ALTER DATABASE WeatherDB SET RECOVERY FULL;
GO

-- 4. Verify database creation and settings
SELECT 
    name AS DatabaseName,
    recovery_model_desc AS RecoveryModel,
    state_desc AS State,
    compatibility_level AS CompatibilityLevel
FROM sys.databases 
WHERE name = 'WeatherDB';
GO

-- 5. Take a full backup (required before adding to Always On AG)
-- Modify the backup path as needed for your environment
BACKUP DATABASE WeatherDB 
TO DISK = 'WeatherDB_Full.bak'
WITH FORMAT, INIT, NAME = 'WeatherDB Full Backup';
GO

PRINT 'Database WeatherDB is ready for use.';
PRINT 'If you plan to add this database to an Always On Availability Group:';
PRINT '  1. Ensure full backup has been taken (done above)';
PRINT '  2. Take a transaction log backup';
PRINT '  3. Add the database to your AG using the AG wizard or T-SQL';
GO