-- name: GetGroupByID :one
SELECT
	*
FROM
	groups
WHERE
	id = $1
LIMIT
	1;

-- name: GetGroupByOrgAndName :one
SELECT
	*
FROM
	groups
WHERE
	organization_id = $1
AND
	name = $2
LIMIT
	1;

-- name: GetGroups :many
SELECT
    *
FROM
    groups
WHERE
    true
    AND CASE
        WHEN @organization_id:: uuid != '00000000-0000-0000-0000-000000000000'::uuid THEN
            groups.organization_id = @organization_id
        ELSE true
    END
    AND CASE
        -- Filter to only include groups a user is a member of
        WHEN @has_member_id::uuid != '00000000-0000-0000-0000-000000000000'::uuid THEN
            EXISTS (
                SELECT
                    1
                FROM
                    -- this view handles the 'everyone' group in orgs.
                    group_members_expanded
                WHERE
                    group_members_expanded.group_id = groups.id
                AND
                    group_members_expanded.user_id = @has_member_id
            )
        ELSE true
    END
;

-- name: InsertGroup :one
INSERT INTO groups (
	id,
	name,
	display_name,
	organization_id,
	avatar_url,
	quota_allowance
)
VALUES
	($1, $2, $3, $4, $5, $6) RETURNING *;

-- name: InsertMissingGroups :many
-- Inserts any group by name that does not exist. All new groups are given
-- a random uuid, are inserted into the same organization. They have the default
-- values for avatar, display name, and quota allowance (all zero values).
INSERT INTO groups (
	id,
	name,
	organization_id,
    	    	source
)
SELECT
    	    	gen_random_uuid(),
    	    	group_name,
    	    	@organization_id,
    	    	@source
FROM
    	    	UNNEST(@group_names :: text[]) AS group_name
-- If the name conflicts, do nothing.
ON CONFLICT DO NOTHING
RETURNING *;


-- We use the organization_id as the id
-- for simplicity since all users is
-- every member of the org.
-- name: InsertAllUsersGroup :one
INSERT INTO groups (
	id,
	name,
	organization_id
)
VALUES
	(sqlc.arg(organization_id), 'Everyone', sqlc.arg(organization_id)) RETURNING *;

-- name: UpdateGroupByID :one
UPDATE
	groups
SET
	name = @name,
	display_name = @display_name,
	avatar_url = @avatar_url,
	quota_allowance = @quota_allowance
WHERE
	id = @id
RETURNING *;

-- name: DeleteGroupByID :exec
DELETE FROM
	groups
WHERE
	id = $1;


