-- =============================================================================
-- Migration: Add FQDN column to machines table
-- Purpose: Allow network devices to store fully qualified domain names
-- Date: 2025-12-01
--
-- Run on PRODUCTION:
--   mysql -u root -p shopdb < add_fqdn_to_machines.sql
-- =============================================================================

-- Check if column already exists before adding
SET @dbname = DATABASE();
SET @tablename = 'machines';
SET @columnname = 'fqdn';
SET @preparedStatement = (SELECT IF(
  (
    SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
    WHERE TABLE_SCHEMA = @dbname
    AND TABLE_NAME = @tablename
    AND COLUMN_NAME = @columnname
  ) > 0,
  'SELECT ''Column fqdn already exists in machines table'' AS message;',
  'ALTER TABLE machines ADD COLUMN fqdn VARCHAR(255) NULL AFTER hostname;'
));

PREPARE alterIfNotExists FROM @preparedStatement;
EXECUTE alterIfNotExists;
DEALLOCATE PREPARE alterIfNotExists;

-- Verify the column was added
SELECT 'Column migration complete.' AS status;

-- =============================================================================
-- Update vw_network_devices view to include FQDN from machines table
-- =============================================================================
CREATE OR REPLACE VIEW vw_network_devices AS
-- Printers from printers table
SELECT
    'Printer' AS device_type,
    p.printerid AS device_id,
    p.printerwindowsname AS device_name,
    p.modelid AS modelid,
    m.modelnumber AS modelnumber,
    v.vendor AS vendor,
    p.serialnumber AS serialnumber,
    p.ipaddress AS ipaddress,
    NULL AS description,
    p.maptop AS maptop,
    p.mapleft AS mapleft,
    p.isactive AS isactive,
    NULL AS idfid,
    NULL AS idfname,
    NULL AS macaddress,
    p.fqdn AS fqdn
FROM printers p
LEFT JOIN models m ON p.modelid = m.modelnumberid
LEFT JOIN vendors v ON m.vendorid = v.vendorid

UNION ALL

-- Network devices from machines table (machinetypeid 16-20)
SELECT
    mt.machinetype AS device_type,
    ma.machineid AS device_id,
    COALESCE(ma.alias, ma.machinenumber) AS device_name,
    ma.modelnumberid AS modelid,
    mo.modelnumber AS modelnumber,
    ve.vendor AS vendor,
    ma.serialnumber AS serialnumber,
    c.address AS ipaddress,
    ma.machinenotes AS description,
    ma.maptop AS maptop,
    ma.mapleft AS mapleft,
    ma.isactive AS isactive,
    NULL AS idfid,
    NULL AS idfname,
    c.macaddress AS macaddress,
    ma.fqdn AS fqdn
FROM machines ma
JOIN machinetypes mt ON ma.machinetypeid = mt.machinetypeid
LEFT JOIN models mo ON ma.modelnumberid = mo.modelnumberid
LEFT JOIN vendors ve ON mo.vendorid = ve.vendorid
LEFT JOIN communications c ON ma.machineid = c.machineid AND c.isprimary = 1 AND c.comstypeid = 1
WHERE mt.machinetypeid IN (16, 17, 18, 19, 20);

SELECT 'View vw_network_devices updated to include FQDN from machines table.' AS status;