-- name: CreateContentVersion :exec
INSERT INTO content_versions (content_id, site_id, value, type, created_by)
VALUES (sqlc.arg(content_id), sqlc.arg(site_id), sqlc.arg(value), sqlc.arg(type), sqlc.arg(created_by));

-- name: GetContentVersionHistory :many
SELECT version_id, content_id, site_id, value, type, created_at, created_by
FROM content_versions
WHERE content_id = sqlc.arg(content_id) AND site_id = sqlc.arg(site_id)
ORDER BY created_at DESC
LIMIT sqlc.arg(limit_count);

-- name: GetContentVersion :one
SELECT version_id, content_id, site_id, value, type, created_at, created_by
FROM content_versions
WHERE version_id = sqlc.arg(version_id);

-- name: GetAllVersionsForSite :many
SELECT 
    cv.version_id, cv.content_id, cv.site_id, cv.value, cv.type, cv.created_at, cv.created_by,
    c.value as current_value
FROM content_versions cv
LEFT JOIN content c ON cv.content_id = c.id AND cv.site_id = c.site_id
WHERE cv.site_id = sqlc.arg(site_id)
ORDER BY cv.created_at DESC
LIMIT sqlc.arg(limit_count);

-- name: DeleteOldVersions :exec
DELETE FROM content_versions 
WHERE created_at < sqlc.arg(created_before) AND site_id = sqlc.arg(site_id);