-- Add matte-wallpaper material and drop legacy price column from product-materials

-- 1. Insert the new material
INSERT INTO "product-materials" (materialid, material)
    VALUES (7, 'matte-wallpaper');

-- 2. Add pricing rows for all existing market × segment combinations (copy from premium-wallpaper, material_id=4)
INSERT INTO prices_wallpaper_m2 (material_id, segment_id, market_id, price, updated)
    SELECT 7, segment_id, market_id, price, NOW()
    FROM prices_wallpaper_m2
    WHERE material_id = 4;

-- 3. Add to product-printproducts_materials for all print products that have premium-wallpaper (material 4)
INSERT INTO "product-printproducts_materials" (printid, materialid)
    SELECT printid, 7
    FROM "product-printproducts_materials"
    WHERE materialid = 4;