export const LIST_BY_COMPANY = `
SELECT
    id,
    name,
    token,
    pairingpin
FROM posterminal
WHERE company_id = @companyId
ORDER BY id
`;

export const GET_BY_ID = `
SELECT
    id,
    company_id AS companyId,
    name,
    token,
    pairingpin
FROM posterminal
WHERE id = @id
`;

export const CREATE = `
INSERT INTO posterminal (company_id, name, token, pairingpin)
OUTPUT INSERTED.id, INSERTED.name, INSERTED.token, INSERTED.pairingpin
VALUES (@companyId, @name, @token, @pairingpin)
`;

export const UPDATE = `
UPDATE posterminal
SET name = @name, token = @token, pairingpin = @pairingpin
WHERE id = @id AND company_id = @companyId
`;

export const DELETE_BY_COMPANY_AND_ID = `
DELETE FROM posterminal
WHERE id = @id AND company_id = @companyId
`;

export const LIST_CATEGORY_IDS = `
SELECT category_id AS categoryId
FROM posterminalcategory
WHERE posterminal_id = @posterminalId
`;

/** setOn: insert if not exists (single terminal + single category). */
export const SET_ON = `
IF NOT EXISTS (
    SELECT 1 FROM posterminalcategory
    WHERE posterminal_id = @posterminalId AND category_id = @categoryId
)
INSERT INTO posterminalcategory (posterminal_id, category_id)
VALUES (@posterminalId, @categoryId)
`;

/** setOff: remove a single category from a single terminal. */
export const SET_OFF = `
DELETE FROM posterminalcategory
WHERE posterminal_id = @posterminalId AND category_id = @categoryId
`;

/** setOnAll: enable ALL company categories on one terminal. */
export const SET_ON_ALL = `
;WITH cats AS (
    SELECT id FROM category WHERE id = @rootCategoryId
    UNION ALL
    SELECT c.id FROM category c INNER JOIN cats ON c.parent_id = cats.id
)
INSERT INTO posterminalcategory (posterminal_id, category_id)
SELECT @posterminalId, cats.id
FROM cats
WHERE NOT EXISTS (
    SELECT 1 FROM posterminalcategory pc
    WHERE pc.posterminal_id = @posterminalId AND pc.category_id = cats.id
)
`;

/** setOffAll: remove ALL category links from one terminal. */
export const SET_OFF_ALL = `
DELETE FROM posterminalcategory WHERE posterminal_id = @posterminalId
`;

/** For category tree: map category -> posterminal ids (company-scoped). */
export const POSTERMINAL_IDS_BY_COMPANY = `
SELECT
    pc.category_id AS categoryId,
    pc.posterminal_id AS posterminalId
FROM posterminalcategory pc
INNER JOIN posterminal pt ON pt.id = pc.posterminal_id
WHERE pt.company_id = @companyId
`;