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

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

export const FIND_BY_PAIRINGPIN = `
SELECT
    id,
    company_id AS companyId,
    name,
    token,
    pairingpin,
    paired_at AS pairedAt,
    clientserial AS clientserial,
    maxknowntombstoneid AS maxknowntombstoneid
FROM posterminal
WHERE pairingpin = @pairingpin
`;

export const PAIR = `
UPDATE posterminal
SET token = @token, paired_at = @pairedAt, clientserial = @clientserial, pairingpin = ''
WHERE id = @id
`;

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

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

export const SET_MAX_KNOWN_TOMBSTONE_ID = `
UPDATE posterminal
SET maxknowntombstoneid = @maxknowntombstoneid
WHERE id = @id
`;

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
`;


export const FIND_BY_TOKEN = `
SELECT
    id,
    company_id AS companyId,
    name,
    token,
    pairingpin,
    paired_at AS pairedAt,
    clientserial AS clientserial,
    maxknowntombstoneid AS maxknowntombstoneid
FROM posterminal
WHERE token = @token
`;

export const COUNT_PRODUCTS = `
SELECT COUNT(DISTINCT a.id) AS count
FROM article a
INNER JOIN posterminal pt ON pt.id = @posterminalId AND pt.company_id = a.company_id
WHERE EXISTS (
    SELECT 1
    FROM categoryarticle ca
    INNER JOIN posterminalcategory pc ON pc.category_id = ca.category_id
    WHERE ca.article_id = a.id
      AND pc.posterminal_id = @posterminalId
)
AND DATEDIFF_BIG(second, '1970-01-01', a.updated_at) > @cursor
`;

export const COUNT_CATEGORIES = `
SELECT COUNT(*) AS count
FROM category c
INNER JOIN posterminalcategory pc ON pc.category_id = c.id
INNER JOIN posterminal pt ON pt.id = pc.posterminal_id
INNER JOIN company co ON co.id = pt.company_id
WHERE pc.posterminal_id = @posterminalId
  AND (co.root_category_id IS NULL OR c.id <> co.root_category_id)
  AND DATEDIFF_BIG(second, '1970-01-01', c.updated_at) > @cursor
`;

export const COUNT_CUSTOMERS = `
SELECT COUNT(*) AS count
FROM entity e
INNER JOIN customergroup cg ON cg.id = e.customergroup_id
INNER JOIN posterminal pt ON pt.id = @posterminalId AND pt.company_id = cg.company_id
WHERE cg.name NOT IN ('Lieferanten', 'POS')
  AND DATEDIFF_BIG(second, '1970-01-01', e.updated_at) > @cursor
`;

export const COUNT_CUSTOMER_GROUPS = `
SELECT COUNT(*) AS count
FROM customergroup cg
INNER JOIN posterminal pt ON pt.id = @posterminalId AND pt.company_id = cg.company_id
WHERE cg.name <> 'Lieferanten'
  AND DATEDIFF_BIG(second, '1970-01-01', cg.updated_at) > @cursor
`;

export const COUNT_COMPOSITE_PRODUCTS = `
SELECT COUNT(DISTINCT a.id) AS count
FROM article a
INNER JOIN posterminal pt ON pt.id = @posterminalId AND pt.company_id = a.company_id
WHERE a.articlelist_id IS NOT NULL
  AND EXISTS (
      SELECT 1
      FROM articlelistarticle ala
      WHERE ala.articlelist_id = a.articlelist_id
  )
  AND EXISTS (
      SELECT 1
      FROM categoryarticle ca
      INNER JOIN posterminalcategory pc ON pc.category_id = ca.category_id
      WHERE ca.article_id = a.id
        AND pc.posterminal_id = @posterminalId
  )
  AND DATEDIFF_BIG(second, '1970-01-01', a.updated_at) > @cursor
`;

export const MAX_ORDER_ID = `
SELECT ISNULL(MAX(m.id), 0) AS maxOrderId
FROM manifest m
INNER JOIN posterminal pt ON pt.id = @posterminalId AND pt.company_id = m.company_id
WHERE m.[type] = 'order'
`;

export const LIST_POS_CATEGORIES = `
SELECT TOP (@limit)
    c.id,
    c.parent_id AS pid,
    c.sort,
    COALESCE(ct.name, '') AS name,
    co.root_category_id AS rootCategoryId,
    (
        SELECT TOP 1 p.hash
        FROM categorypic cp
        INNER JOIN pic p ON p.id = cp.pic_id
        WHERE cp.category_id = c.id
        ORDER BY cp.sort ASC, cp.id ASC
    ) AS imgHash,
    DATEDIFF_BIG(second, '1970-01-01', c.updated_at) AS lastChanged
FROM category c
INNER JOIN posterminalcategory pc ON pc.category_id = c.id
INNER JOIN posterminal pt ON pt.id = pc.posterminal_id
INNER JOIN company co ON co.id = pt.company_id
LEFT JOIN categorytext ct ON ct.category_id = c.id AND ct.language_id = co.default_language_id
WHERE pc.posterminal_id = @posterminalId
  AND (co.root_category_id IS NULL OR c.id <> co.root_category_id)
  AND DATEDIFF_BIG(second, '1970-01-01', c.updated_at) > @cursor
ORDER BY DATEDIFF_BIG(second, '1970-01-01', c.updated_at) ASC, c.id ASC
`;

export const LIST_POS_PRODUCTS = `
SELECT TOP (@limit)
    a.id,
    a.sku,
    COALESCE(at.name, a.sku, '') AS name,
    COALESCE(pr.net, 0) AS netPrice,
    COALESCE(ptax.rate, ctax.rate, 0) AS taxRate,
    a.created_at AS createdAt,
    DATEDIFF_BIG(second, '1970-01-01', a.updated_at) AS lastChanged,
    COALESCE(
        (
            SELECT TOP 1 p.hash
            FROM articlepic ap
            INNER JOIN pic p ON p.id = ap.pic_id
            WHERE ap.article_id = a.id
            ORDER BY ap.sort ASC, ap.id ASC
        ),
        (
            SELECT TOP 1 p2.hash
            FROM articlepic ap2
            INNER JOIN pic p2 ON p2.id = ap2.pic_id
            WHERE a.parentarticle_id IS NOT NULL AND ap2.article_id = a.parentarticle_id
            ORDER BY ap2.sort ASC, ap2.id ASC
        )
    ) AS imgHash,
    (
        SELECT TOP 1 ae.ean
        FROM articleean ae
        WHERE ae.article_id = a.id
        ORDER BY ae.id ASC
    ) AS barcode,
    a.is_parent AS isParent,
    a.parentarticle_id AS parentArticleId,
    (
        SELECT TOP 1 CONCAT(fan.name, '|', av.value, '|', fan.sort, '|', a.parentsort)
        FROM article fa
        INNER JOIN attributename fan ON fan.id = fa.parentattributename_id
        INNER JOIN articleattributevalue aav ON aav.article_id = a.id
        INNER JOIN attributevalue av ON av.id = aav.attributevalue_id AND av.attribute_id = fan.id
        WHERE a.parentarticle_id IS NOT NULL AND fa.id = a.parentarticle_id
    ) AS variantName,
    CASE
        WHEN a.articlelist_id IS NOT NULL AND EXISTS (
            SELECT 1 FROM articlelistarticle ala WHERE ala.articlelist_id = a.articlelist_id
        ) THEN '1'
        ELSE '0'
    END AS isCompositeProduct,
    (
        SELECT COUNT(*)
        FROM categoryarticle ca2
        INNER JOIN article a2 ON a2.id = ca2.article_id
        LEFT JOIN articletext at2 ON at2.article_id = a2.id AND at2.language_id = co.default_language_id
        WHERE ca2.category_id = (
            SELECT MIN(ca1.category_id)
            FROM categoryarticle ca1
            WHERE ca1.article_id = a.id
        )
        AND (
            COALESCE(at2.name, a2.sku, '') < COALESCE(at.name, a.sku, '')
            OR (COALESCE(at2.name, a2.sku, '') = COALESCE(at.name, a.sku, '') AND a2.id < a.id)
        )
    ) AS sort,
    a.track_stock AS trackStock,
    CASE
        WHEN a.articlelist_id IS NOT NULL AND EXISTS (
            SELECT 1 FROM articlelistarticle ala WHERE ala.articlelist_id = a.articlelist_id
        ) THEN COALESCE((
            SELECT CASE
                WHEN MIN(COALESCE(comp_stock.stock, 0) / ala.count) < 0 THEN 0
                ELSE FLOOR(MIN(COALESCE(comp_stock.stock, 0) / ala.count))
            END
            FROM articlelistarticle ala
            LEFT JOIN (
                SELECT ca.id AS comp_id, SUM(l.amount) AS stock
                FROM ledger l
                INNER JOIN manifestarticle ma ON ma.id = l.manifestarticle_id
                INNER JOIN manifest m ON m.id = ma.manifest_id
                INNER JOIN article ca ON (
                    ma.sku = ca.sku
                    OR ma.sku IN (SELECT asup.sku FROM articlesupplier asup WHERE asup.article_id = ca.id)
                )
                WHERE m.company_id = a.company_id
                GROUP BY ca.id
            ) comp_stock ON comp_stock.comp_id = ala.article_id
            WHERE ala.articlelist_id = a.articlelist_id
        ), 0)
        WHEN a.articlelist_id IS NOT NULL THEN 0
        ELSE COALESCE((
            SELECT SUM(l.amount)
            FROM ledger l
            INNER JOIN manifestarticle ma ON ma.id = l.manifestarticle_id
            INNER JOIN manifest m ON m.id = ma.manifest_id
            WHERE m.company_id = a.company_id
              AND (
                  ma.sku = a.sku
                  OR ma.sku IN (SELECT asup.sku FROM articlesupplier asup WHERE asup.article_id = a.id)
              )
        ), 0)
    END AS fBestand,
    co.id AS companyId,
    co.root_category_id AS rootCategoryId,
    co.poscustomergroup_id AS posCustomerGroupId
FROM article a
INNER JOIN posterminal pt ON pt.id = @posterminalId AND pt.company_id = a.company_id
INNER JOIN company co ON co.id = a.company_id
LEFT JOIN articletext at ON at.article_id = a.id AND at.language_id = co.default_language_id
LEFT JOIN price pr ON pr.article_id = a.id AND pr.customergroup_id = co.poscustomergroup_id AND pr.minmultiplier = 1
LEFT JOIN tax ptax ON ptax.id = pr.tax_id
LEFT JOIN tax ctax ON ctax.id = co.taxrate
WHERE EXISTS (
    SELECT 1
    FROM categoryarticle ca
    INNER JOIN posterminalcategory pc ON pc.category_id = ca.category_id
    WHERE ca.article_id = a.id
      AND pc.posterminal_id = @posterminalId
)
AND DATEDIFF_BIG(second, '1970-01-01', a.updated_at) > @cursor
ORDER BY DATEDIFF_BIG(second, '1970-01-01', a.updated_at) ASC, a.id ASC
`;

export const LIST_POS_PRODUCT_CATEGORIES = `
SELECT
    ca.article_id AS articleId,
    ca.category_id AS categoryId
FROM categoryarticle ca
INNER JOIN posterminalcategory pc ON pc.category_id = ca.category_id
INNER JOIN posterminal pt ON pt.id = pc.posterminal_id
INNER JOIN company co ON co.id = pt.company_id
WHERE pc.posterminal_id = @posterminalId
  AND (co.root_category_id IS NULL OR ca.category_id <> co.root_category_id)
ORDER BY ca.article_id ASC, ca.category_id ASC
`;

export const LIST_POS_CUSTOMER_GROUP_IDS = `
SELECT cg.id
FROM customergroup cg
INNER JOIN posterminal pt ON pt.id = @posterminalId AND pt.company_id = cg.company_id
WHERE cg.name <> 'Lieferanten'
ORDER BY cg.id ASC
`;

export const LIST_POS_PRODUCT_PRICES = `
SELECT
    pr.article_id AS articleId,
    pr.customergroup_id AS customerGroupId,
    MIN(pr.net) AS netPrice
FROM price pr
INNER JOIN article a ON a.id = pr.article_id
INNER JOIN posterminal pt ON pt.id = @posterminalId AND pt.company_id = a.company_id
WHERE pr.minmultiplier = 1
GROUP BY pr.article_id, pr.customergroup_id
`;