export const ARTICLE_LIST_JOINS = `
LEFT JOIN articletext at
    ON at.article_id = a.id AND at.language_id = @languageId
LEFT JOIN price pr
    ON pr.article_id = a.id
    AND pr.customergroup_id = @posCustomerGroupId
    AND pr.minmultiplier = 1
LEFT JOIN tax t ON t.id = pr.tax_id
OUTER APPLY (
    SELECT TOP 1 ap.pic_id
    FROM articlepic ap
    WHERE ap.article_id = a.id
    ORDER BY ap.sort ASC, ap.id ASC
) first_pic
LEFT JOIN pic ON pic.id = first_pic.pic_id
LEFT JOIN article father ON father.id = a.fatherarticle_id
`;

export const ARTICLE_LIST_COLUMNS = `
    a.id,
    a.sku,
    at.name,
    at.slug,
    pr.net,
    t.rate AS taxRate,
    CASE
        WHEN a.optionslist_id IS NOT NULL THEN (
            SELECT COUNT(*)
            FROM optionslistarticle ola
            WHERE ola.optionslist_id = a.optionslist_id
        )
        ELSE 0
    END AS optionsCount,
    CASE
        WHEN a.articlelist_id IS NOT NULL THEN (
            SELECT COUNT(*)
            FROM articlelistarticle ala
            WHERE ala.articlelist_id = a.articlelist_id
        )
        ELSE 0
    END AS articleListCount,
    (
        SELECT COUNT(*)
        FROM article child
        WHERE child.fatherarticle_id = a.id
    ) AS childCount,
    a.fatherarticle_id AS fatherArticleId,
    father.sku AS fatherSku,
    pic.hash AS fullHash,
    pic.thumbw AS thumbW,
    pic.thumbh AS thumbH,
    pic.thumbhash AS thumbHash
`;

export const GET_CATEGORY_ID_BY_SKU = `
SELECT TOP 1 ca.category_id AS categoryId, a.id AS articleId
FROM article a
INNER JOIN categoryarticle ca ON ca.article_id = a.id
WHERE a.sku = @sku
`;

/** SKU → article/category + company auth in one round-trip. */
export const RESOLVE_ARTICLE_ACCESS_BY_SKU = `
WITH article_cat AS (
    SELECT TOP 1 a.id AS articleId, ca.category_id AS categoryId
    FROM article a
    INNER JOIN categoryarticle ca ON ca.article_id = a.id
    WHERE a.sku = @sku
),
ancestors AS (
    SELECT c.id, c.parent_id
    FROM category c
    INNER JOIN article_cat ac ON c.id = ac.categoryId

    UNION ALL

    SELECT c.id, c.parent_id
    FROM category c
    INNER JOIN ancestors a ON c.id = a.parent_id
),
root AS (
    SELECT TOP 1 id AS rootCategoryId
    FROM ancestors
    WHERE parent_id IS NULL
)
SELECT
    ac.articleId,
    ac.categoryId,
    r.rootCategoryId,
    co.id AS companyId,
    co.default_language_id AS languageId,
    co.poscustomergroup_id AS posCustomerGroupId,
    cu.id AS companyuserId
FROM article_cat ac
LEFT JOIN root r ON 1 = 1
LEFT JOIN company co ON co.root_category_id = r.rootCategoryId
LEFT JOIN companyuser cu
    ON cu.company_id = co.id AND cu.google_auth_id = @googleAuthId
`;

export const UPDATE_WEIGHT = `
UPDATE article
SET weight = @weight
WHERE id = @articleId
`;

export const UPDATE_BRAND = `
UPDATE article
SET brand_id = @brandId
WHERE id = @articleId
`;

export const UPDATE_UNIT = `
UPDATE article
SET unit_id = @unitId
WHERE id = @articleId
`;

export const UPDATE_UNITAMOUNT = `
UPDATE article
SET unitamount = @unitamount
WHERE id = @articleId
`;

export const UPDATE_UNIT_AND_AMOUNT = `
UPDATE article
SET unit_id = @unitId, unitamount = @unitamount
WHERE id = @articleId
`;

export const CREATE = `
INSERT INTO article (sku, unit_id, unitamount, weight)
OUTPUT INSERTED.id
VALUES (@sku, @unitId, @unitamount, @weight)
`;

export const DELETE_EANS_BY_ARTICLE = `
DELETE FROM articleean
WHERE article_id = @articleId
`;

export const ADD_EAN = `
INSERT INTO articleean (article_id, ean)
VALUES (@articleId, @ean)
`;

export const DELETE_CATEGORIES_BY_ARTICLE = `
DELETE FROM categoryarticle
WHERE article_id = @articleId
`;

export const ADD_CATEGORY = `
INSERT INTO categoryarticle (category_id, article_id)
VALUES (@categoryId, @articleId)
`;

export const GET_BRAND_BY_COMPANY_AND_ID = `
SELECT id
FROM brand
WHERE id = @brandId AND company_id = @companyId
`;