Read data from row and print its corresponding column name

Question

I have the below table created in SQL server:

snapshot_year   snapshot_month  date    customer        active  inactive    old new low high    hard    soft    neutral
2020    2020-12 2020-12 1000216     1   null    null    null    null    null    null    null    null
2021    2021-12 2021-12 1000216     1   null    null    null    null    null    null    null    null
2020    2020-05 2020-05 1000216     null    null    null    null    null    null    1   null    null
2022    2022-01 2022-01 1000216     1   null    null    null    null    null    null    null    null
2020    2020-06 2020-06 1000216     null    null    null    null    null    null    1   null    null
2020    2020-10 2020-10 1000216     null    1   null    null    null    null    null    null    null
2020    2020-09 2020-09 1000216     null    null    1   null    null    null    null    null    null
2021    2021-05 2021-05 1000216     1   null    null    null    null    null    null    null    null
2021    2021-04 2021-04 1000216     1   null    null    null    null    null    null    null    null
2021    2021-08 2021-08 1000216     null    null    null    1   null    null    null    null    null

My requirement is that in each row, it has to read the columns which contain 1, and add a new column called 'segment' with that specific column name as below:

snapshot_year   snapshot_month  date    customer    Segment active  inactive    old new low high    hard    soft    neutral
2020    2020-12 2020-12 1000216 active  1   null    null    null    null    null    null    null    null
2021    2021-12 2021-12 1000216 active  1   null    null    null    null    null    null    null    null
2020    2020-05 2020-05 1000216 hard    null    null    null    null    null    null    1   null    null
2022    2022-01 2022-01 1000216 active  1   null    null    null    null    null    null    null    null
2020    2020-06 2020-06 1000216 hard    null    null    null    null    null    null    1   null    null
2020    2020-10 2020-10 1000216 inactive    null    1   null    null    null    null    null    null    null
2020    2020-09 2020-09 1000216 old null    null    1   null    null    null    null    null    null
2021    2021-05 2021-05 1000216 active  1   null    null    null    null    null    null    null    null
2021    2021-04 2021-04 1000216 active  1   null    null    null    null    null    null    null    null
2021    2021-08 2021-08 1000216 new null    null    null    1   null    null    null    null    null

I'm totally lost on how to get this done, help would be great