/* Closing support cases from SQLInsight Web (the /support page or POST /api/v1/support-cases/{id}/close): the web
   UI records the request, the agent sends it to SQLInsight Hub and sets Closed when the hub has confirmed it. A request
   on a case without a number yet is sent once the hub has created the case. */
ALTER TABLE insight.SupportCases ADD
    CloseRequestedAt   datetime2(0) NULL,
    CloseRequestedBy   nvarchar(256) NULL,
    CloseComment       nvarchar(1000) NULL,
    CloseAttempts      int NOT NULL CONSTRAINT DF_SupportCases_CloseAttempts DEFAULT (0),
    CloseNextAttemptAt datetime2(0) NULL,
    ClosedBy           nvarchar(300) NULL;
GO
ALTER TABLE insight.SupportCases DROP CONSTRAINT CK_SupportCases_Status;
ALTER TABLE insight.SupportCases ADD CONSTRAINT CK_SupportCases_Status CHECK (Status IN ('Pending', 'Open', 'CloseRequested', 'Closed', 'Failed'));
GO
/* Like INSERT in 0005: the web UI may record a close request on these columns only. */
GRANT UPDATE ON insight.SupportCases (CloseRequestedAt, CloseRequestedBy, CloseComment, CloseNextAttemptAt, Status, UpdatedAt) TO public;