-- ===================================================================
-- Simple Package Version Tracking Script
-- ===================================================================
-- Purpose: Track specified Oracle package versions
-- Author: Grzegorz Michalski  
-- Date: 2025-11-25
-- Version: 3.1.0 - List-Based Edition
--
-- USAGE:
-- 1. Edit package list below (add/remove packages as needed)
-- 2. Include in your install/rollback script: @@track_package_versions.sql
-- ===================================================================

SET SERVEROUTPUT ON;

DECLARE
   TYPE t_package_rec IS RECORD (
      owner VARCHAR2(50),
      package_name VARCHAR2(50),
      version VARCHAR2(50)
   );
   TYPE t_packages IS TABLE OF t_package_rec;
   TYPE t_string_array IS TABLE OF VARCHAR2(100);
   
   -- ===================================================================
   -- PACKAGE LIST - Edit this array to specify packages to track
   -- ===================================================================
   -- Add or remove entries as needed for your MARS issue
   -- Format: 'SCHEMA.PACKAGE_NAME'
   -- ===================================================================
   vPackageList t_string_array := t_string_array(
      'CT_MRDS.FILE_MANAGER',
      'ODS.FILE_MANAGER_ODS'
   );
   -- ===================================================================
   
   vPackages t_packages := t_packages();
   vVersion VARCHAR2(50);
   vCount NUMBER := 0;
   vOwner VARCHAR2(50);
   vPackageName VARCHAR2(50);
   vDotPos NUMBER;
BEGIN
   DBMS_OUTPUT.PUT_LINE('========================================');
   DBMS_OUTPUT.PUT_LINE('Package Version Tracking');
   DBMS_OUTPUT.PUT_LINE('========================================');
   
   -- Process each package in the list
   FOR i IN 1..vPackageList.COUNT LOOP
      vDotPos := INSTR(vPackageList(i), '.');
      IF vDotPos > 0 THEN
         vOwner := SUBSTR(vPackageList(i), 1, vDotPos - 1);
         vPackageName := SUBSTR(vPackageList(i), vDotPos + 1);
         
         -- Get package version
         BEGIN
            EXECUTE IMMEDIATE 'SELECT ' || vOwner || '.' || vPackageName || '.GET_VERSION() FROM DUAL' INTO vVersion;
            vPackages.EXTEND;
            vPackages(vPackages.COUNT).owner := vOwner;
            vPackages(vPackages.COUNT).package_name := vPackageName;
            vPackages(vPackages.COUNT).version := vVersion;
            
            -- Track in ENV_MANAGER
            BEGIN
               CT_MRDS.ENV_MANAGER.TRACK_PACKAGE_VERSION(
                  pPackageOwner => vOwner,
                  pPackageName => vPackageName,
                  pPackageVersion => vVersion,
                  pPackageBuildDate => TO_CHAR(SYSDATE, 'YYYY-MM-DD HH24:MI:SS'),
                  pPackageAuthor => 'Grzegorz Michalski'
               );
               vCount := vCount + 1;
            EXCEPTION
               WHEN OTHERS THEN NULL; -- Continue even if tracking fails
            END;
         EXCEPTION
            WHEN OTHERS THEN NULL; -- Skip packages that fail
         END;
      END IF;
   END LOOP;
   
   -- Display results
   IF vPackages.COUNT > 0 THEN
      DBMS_OUTPUT.PUT_LINE('Packages tracked: ' || vCount || ' of ' || vPackages.COUNT);
      DBMS_OUTPUT.PUT_LINE('');
      
      FOR i IN 1..vPackages.COUNT LOOP
         DBMS_OUTPUT.PUT_LINE(vPackages(i).owner || '.' || vPackages(i).package_name || ' = ' || vPackages(i).version);
      END LOOP;
   ELSE
      DBMS_OUTPUT.PUT_LINE('No packages found in list');
   END IF;
   
   DBMS_OUTPUT.PUT_LINE('========================================');
END;
/