INSERT IGNORE INTO inv_categories (name, code, color, requires_line, sort_order) VALUES
('Linea di produzione', 'line',        '#dc2626', 1, 10),
('Attrezzature',        'equipment',   '#0d6efd', 0, 20),
('Accessori',           'accessories', '#20c997', 0, 30),
('Qualità',             'quality',     '#6f42c1', 0, 40);

UPDATE inv_equipment
SET category_id = (SELECT id FROM inv_categories WHERE code = 'equipment')
WHERE category_id IS NULL AND line_id IS NULL;

INSERT INTO inv_equipment (name, category_id, line_id, status, description, created_at, updated_at)
SELECT
    pl.name,
    (SELECT id FROM inv_categories WHERE code = 'line'),
    pl.id,
    IF(pl.status = 'active', 'active', 'out_of_service'),
    CONCAT_WS(' ', NULLIF(pl.brand, ''), NULLIF(pl.model, '')),
    NOW(), NOW()
FROM production_lines pl
WHERE NOT EXISTS (
    SELECT 1 FROM inv_equipment e WHERE e.line_id = pl.id
);

DELIMITER $$

DROP PROCEDURE IF EXISTS manutenzioni_migrate_step3 $$
CREATE PROCEDURE manutenzioni_migrate_step3()
BEGIN
    DECLARE v_db VARCHAR(64);
    SET v_db = DATABASE();

    IF NOT EXISTS (SELECT 1 FROM information_schema.table_constraints
                   WHERE table_schema = v_db AND table_name = 'inv_equipment'
                     AND constraint_name = 'fk_inv_equipment_category') THEN
        ALTER TABLE inv_equipment
            ADD CONSTRAINT fk_inv_equipment_category FOREIGN KEY (category_id)
                REFERENCES inv_categories (id) ON DELETE SET NULL;
    END IF;

    IF NOT EXISTS (SELECT 1 FROM information_schema.table_constraints
                   WHERE table_schema = v_db AND table_name = 'inv_equipment'
                     AND constraint_name = 'fk_inv_equipment_line') THEN
        ALTER TABLE inv_equipment
            ADD CONSTRAINT fk_inv_equipment_line FOREIGN KEY (line_id)
                REFERENCES production_lines (id) ON DELETE SET NULL;
    END IF;

    IF NOT EXISTS (SELECT 1 FROM information_schema.table_constraints
                   WHERE table_schema = v_db AND table_name = 'inv_equipment'
                     AND constraint_name = 'fk_inv_equipment_department') THEN
        ALTER TABLE inv_equipment
            ADD CONSTRAINT fk_inv_equipment_department FOREIGN KEY (department_id)
                REFERENCES departments (id) ON DELETE SET NULL;
    END IF;

    IF NOT EXISTS (SELECT 1 FROM information_schema.table_constraints
                   WHERE table_schema = v_db AND table_name = 'inv_equipment'
                     AND constraint_name = 'fk_inv_equipment_cover') THEN
        ALTER TABLE inv_equipment
            ADD CONSTRAINT fk_inv_equipment_cover FOREIGN KEY (cover_file_id)
                REFERENCES inv_equipment_files (id) ON DELETE SET NULL;
    END IF;
END $$

DELIMITER ;

CALL manutenzioni_migrate_step3();
DROP PROCEDURE manutenzioni_migrate_step3;