export const GET_TREE_FOR_COMPANY = `
WITH tree AS (
    SELECT id, parent_id, sort
    FROM category
    WHERE id = @rootId

    UNION ALL

    SELECT c.id, c.parent_id, c.sort
    FROM category c
    INNER JOIN tree t ON c.parent_id = t.id
)
SELECT
    t.id,
    t.parent_id AS parentId,
    t.sort,
    ct.name,
    ct.slug,
    p.hash AS fullHash,
    p.thumbw AS thumbW,
    p.thumbh AS thumbH,
    p.thumbhash AS thumbHash,
    (
        SELECT COUNT(*)
        FROM categoryarticle ca
        INNER JOIN article a ON a.id = ca.article_id
        WHERE ca.category_id = t.id AND a.parentarticle_id IS NULL
    ) AS articleCount
FROM tree t
LEFT JOIN categorytext ct
    ON ct.category_id = t.id AND ct.language_id = @languageId
OUTER APPLY (
    SELECT TOP 1 cp.pic_id
    FROM categorypic cp
    WHERE cp.category_id = t.id
    ORDER BY cp.sort ASC, cp.id ASC
) first_pic
LEFT JOIN pic p ON p.id = first_pic.pic_id
ORDER BY t.sort, t.id
`;

export const COUNT_ARTICLES_IN_TREE = `
WITH tree AS (
    SELECT id FROM category WHERE id = @rootId
    UNION ALL
    SELECT c.id FROM category c INNER JOIN tree t ON c.parent_id = t.id
)
SELECT COUNT(DISTINCT ca.article_id) AS total
FROM categoryarticle ca
INNER JOIN article a ON a.id = ca.article_id
WHERE ca.category_id IN (SELECT id FROM tree)
  AND a.parentarticle_id IS NULL
`;

import {
  ARTICLE_LIST_COLUMNS,
  ARTICLE_LIST_JOINS,
} from './article.js';

export const GET_CATEGORY_ARTICLES = `
SELECT
${ARTICLE_LIST_COLUMNS}
FROM categoryarticle ca
INNER JOIN article a ON a.id = ca.article_id
${ARTICLE_LIST_JOINS}
WHERE ca.category_id = @categoryId
  AND a.parentarticle_id IS NULL
ORDER BY a.id
`;

export const GET_CATEGORY_ARTICLE_WAREHOUSE_SUMMARIES = `
SELECT
    aws.id,
    aws.article_id AS articleId,
    aws.warehouse_id AS warehouseId,
    w.name AS warehouseName,
    aws.stock
FROM articlewarehousesummary aws
INNER JOIN warehouse w ON w.id = aws.warehouse_id
INNER JOIN categoryarticle ca ON ca.article_id = aws.article_id
INNER JOIN article a ON a.id = ca.article_id
WHERE ca.category_id = @categoryId
  AND a.parentarticle_id IS NULL
ORDER BY w.sort ASC, w.name ASC, aws.id ASC
`;

export const CREATE = `
INSERT INTO category (parent_id, sort)
OUTPUT INSERTED.id, INSERTED.parent_id AS parentId, INSERTED.sort
VALUES (@parentId, @sort)
`;

export const RESOLVE_CATEGORY_ACCESS = `
WITH ancestors AS (
    SELECT id, parent_id
    FROM category
    WHERE id = @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
    p.id AS categoryId,
    r.rootCategoryId,
    co.id AS companyId,
    co.default_language_id AS languageId,
    co.poscustomergroup_id AS posCustomerGroupId,
    cu.id AS companyuserId
FROM category p
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
WHERE p.id = @categoryId
`;

export const GET_NEXT_SIBLING_SORT = `
SELECT ISNULL(MAX(sort), -1) + 1 AS sort
FROM category
WHERE parent_id = @parentId
`;

/** Resolve a child category by its parent id and name (language-sensitive). */
export const GET_BY_PARENT_AND_NAME = `
SELECT c.id
FROM category c
INNER JOIN categorytext ct
    ON ct.category_id = c.id AND ct.language_id = @languageId
WHERE c.parent_id = @parentId
  AND ct.name = @name
`;

export const LIST_CHILD_IDS = `
SELECT id
FROM category
WHERE parent_id = @parentId
`;

export const UPDATE_SORT = `
UPDATE category
SET sort = @sort, updated_at = SYSUTCDATETIME()
WHERE id = @id AND parent_id = @parentId
`;

/** True if @id is an ancestor of @parentId (would create a cycle when moving). */
export const IS_ANCESTOR = `
WITH ancestors AS (
    SELECT id, parent_id
    FROM category
    WHERE id = @parentId

    UNION ALL

    SELECT c.id, c.parent_id
    FROM category c
    INNER JOIN ancestors a ON c.id = a.parent_id
)
SELECT id
FROM ancestors
WHERE id = @id
`;

export const MOVE = `
UPDATE category
SET parent_id = @parentId, sort = @sort, updated_at = SYSUTCDATETIME()
WHERE id = @id
`;

export const DELETE = `
DELETE FROM category
WHERE id = @id
`;