// Package sql defines reusable database SQL statements
package sql

const (
	// ParameterInitializationRoutes returns the dynamic-table mappings used by
	// supported parameter attribute groups.
	ParameterInitializationRoutes = `SELECT name, tag, group_name
		FROM project_manager
		WHERE group_name IN ?`

	// DynamicParameterInitializationRows joins a dynamic parameter table to its
	// component hierarchy and project_manager route. The table identifier is
	// inserted only after application-level identifier and allowlist checks.
	DynamicParameterInitializationRows = `WITH dynamic_rows AS (
			SELECT dynamic_record.*,
				COUNT(*) OVER (
					PARTITION BY dynamic_record.global_uuid, dynamic_record.attribute_group
				) AS initialization_record_count
			FROM public.%[1]s AS dynamic_record
		)
		SELECT
			grid.tagname AS grid_tag,
			zone.tagname AS zone_tag,
			station.tagname AS station_tag,
			station.is_local AS station_is_local,
			component.global_uuid::text AS component_uuid,
			component.nspath AS component_nspath,
			component.tag AS component_tag,
			project.group_name AS attribute_group,
			attribute.key AS attribute_name,
			attribute.value::text AS attribute_value,
			UPPER(pg_catalog.format_type(column_attribute.atttypid, column_attribute.atttypmod)) AS attribute_type,
			attribute_description.description,
			attribute_description.description_count,
			dynamic_row.initialization_record_count AS dynamic_record_count
		FROM public.grid AS grid
		INNER JOIN public.zone AS zone ON zone.grid_id = grid.id
		INNER JOIN public.station AS station ON station.zone_id = zone.id
			INNER JOIN public.component AS component ON component.station_id = station.id
		INNER JOIN public.project_manager AS project
			ON project.tag = component.model_name
		INNER JOIN dynamic_rows AS dynamic_row
			ON dynamic_row.global_uuid = component.global_uuid
			AND dynamic_row.attribute_group = project.group_name
		CROSS JOIN LATERAL jsonb_each(
			to_jsonb(dynamic_row)
				- 'id'
				- 'global_uuid'
				- 'attribute_group'
				- 'initialization_record_count'
		) AS attribute
		INNER JOIN pg_catalog.pg_namespace AS table_namespace
			ON table_namespace.nspname = 'public'
		INNER JOIN pg_catalog.pg_class AS parameter_table
			ON parameter_table.relnamespace = table_namespace.oid
			AND parameter_table.relname = project.name
		INNER JOIN pg_catalog.pg_attribute AS column_attribute
			ON column_attribute.attrelid = parameter_table.oid
			AND column_attribute.attname = attribute.key
			AND column_attribute.attnum > 0
			AND NOT column_attribute.attisdropped
		LEFT JOIN LATERAL (
			SELECT
				MIN(basic_attribute.attribute_name) AS description,
				COUNT(*) AS description_count
			FROM basic.attribute AS basic_attribute
			WHERE basic_attribute.attribute = attribute.key
		) AS attribute_description ON TRUE
			WHERE project.name = ?
				AND project.tag = ?
				AND project.group_name = ?
				AND grid.tagname <> ''
				AND zone.tagname <> ''
				AND station.tagname <> ''
				AND component.nspath <> ''
				AND component.tag <> ''`

	// ComponentParameterInitializationRows expands the component table into one
	// row per queryable component attribute while retaining the full hierarchy.
	ComponentParameterInitializationRows = `SELECT
			grid.tagname AS grid_tag,
			zone.tagname AS zone_tag,
			station.tagname AS station_tag,
			station.is_local AS station_is_local,
			component.global_uuid::text AS component_uuid,
			component.nspath AS component_nspath,
			component.tag AS component_tag,
			'component' AS attribute_group,
			attribute.key AS attribute_name,
			attribute.value::text AS attribute_value,
			UPPER(pg_catalog.format_type(column_attribute.atttypid, column_attribute.atttypmod)) AS attribute_type,
			attribute_description.description,
			attribute_description.description_count,
			1::bigint AS dynamic_record_count
		FROM public.grid AS grid
		INNER JOIN public.zone AS zone ON zone.grid_id = grid.id
		INNER JOIN public.station AS station ON station.zone_id = zone.id
			INNER JOIN public.component AS component ON component.station_id = station.id
			CROSS JOIN LATERAL jsonb_each(
				to_jsonb(component) - 'station_id'
			) AS attribute
		INNER JOIN pg_catalog.pg_namespace AS table_namespace
			ON table_namespace.nspname = 'public'
		INNER JOIN pg_catalog.pg_class AS component_table
			ON component_table.relnamespace = table_namespace.oid
			AND component_table.relname = 'component'
		INNER JOIN pg_catalog.pg_attribute AS column_attribute
			ON column_attribute.attrelid = component_table.oid
			AND column_attribute.attname = attribute.key
			AND column_attribute.attnum > 0
			AND NOT column_attribute.attisdropped
			LEFT JOIN LATERAL (
				SELECT
					MIN(basic_attribute.attribute_name) AS description,
					COUNT(*) AS description_count
				FROM basic.attribute AS basic_attribute
				WHERE basic_attribute.attribute = attribute.key
			) AS attribute_description ON TRUE
			WHERE grid.tagname <> ''
				AND zone.tagname <> ''
				AND station.tagname <> ''
				AND component.nspath <> ''
				AND component.tag <> ''`
)