Sitecore PowerShell Script

Have two task:
1. Move and combine folders
2. Search for template id match > then if item is expired > and then finally if a content type exist on it.
If the id matches && it is expired && the content type of video is missing = add the video content type.

For 1.
Given this structure:

Topics
-From
--Data
---2019
----05
-----Page-F
---2020
----04
-----Page
----06
-----Page

-To
--Data
---2019
----05
-----Page-T
---2020
----07
-----Page
----09
-----Page
Combine outcome that I want:

Topics
-To
--Data
---2019
----05
-----Page-T
-----Page-F
---2020
----04
-----Page
----06
-----Page
----07
-----Page
----09
-----Page