/* Support cases with SEOSoft (Professional/Enterprise). SQLInsight Web adds a request (Status 'Pending'); the agent
   sends it to SQLInsight Hub, stores the case number it gets back, and keeps every case's status in step with the hub,
   including cases SEOSoft created (ClientRequestId NULL). */
CREATE TABLE insight.SupportCases
(
    CaseId          bigint IDENTITY(1, 1) NOT NULL CONSTRAINT PK_SupportCases PRIMARY KEY,
    ClientRequestId uniqueidentifier NULL,
    Reference       nvarchar(32) NULL,
    Title           nvarchar(200) NOT NULL,
    Description     nvarchar(max) NULL,
    ContactName     nvarchar(200) NULL,
    ContactEmail    nvarchar(320) NULL,
    ContactPhone    nvarchar(50) NULL,
    FindingId       bigint NULL,
    InstanceName    nvarchar(128) NULL,
    RuleId          nvarchar(50) NULL,
    Subject         nvarchar(400) NULL,
    RequestedBy     nvarchar(256) NULL,
    Source          varchar(16) NOT NULL CONSTRAINT DF_SupportCases_Source DEFAULT ('Customer'),
    Status          varchar(16) NOT NULL CONSTRAINT DF_SupportCases_Status DEFAULT ('Pending')
                    CONSTRAINT CK_SupportCases_Status CHECK (Status IN ('Pending', 'Open', 'Closed', 'Failed')),
    LastError       nvarchar(1000) NULL,
    Attempts        int NOT NULL CONSTRAINT DF_SupportCases_Attempts DEFAULT (0),
    NextAttemptAt   datetime2(0) NOT NULL CONSTRAINT DF_SupportCases_NextAttemptAt DEFAULT (SYSUTCDATETIME()),
    CreatedAt       datetime2(0) NOT NULL CONSTRAINT DF_SupportCases_CreatedAt DEFAULT (SYSUTCDATETIME()),
    SentAt          datetime2(0) NULL,
    ClosedAt        datetime2(0) NULL,
    UpdatedAt       datetime2(0) NOT NULL CONSTRAINT DF_SupportCases_UpdatedAt DEFAULT (SYSUTCDATETIME())
);
CREATE UNIQUE INDEX UQ_SupportCases_ClientRequestId ON insight.SupportCases (ClientRequestId) WHERE ClientRequestId IS NOT NULL;
CREATE UNIQUE INDEX UQ_SupportCases_Reference ON insight.SupportCases (Reference) WHERE Reference IS NOT NULL;
CREATE INDEX IX_SupportCases_Pending ON insight.SupportCases (NextAttemptAt) WHERE Status = 'Pending';

/* The web UI only has db_datareader, yet it must be able to file a request. INSERT on this one table is granted to
   public: only the repository's own users (the agent, the web UI and its administrators) exist in this database. */
GRANT INSERT ON insight.SupportCases TO public;