CREATE OR ALTER PROCEDURE dbo.StoryIntelligenceRun_ListActiveBookSummaryForUser
    @UserID int
AS
BEGIN
    SET NOCOUNT ON;

    ;WITH ActiveScopes AS
    (
        SELECT
            r.UserID,
            r.ProjectID,
            r.BookID,
            LatestCreatedUtc = MAX(r.CreatedUtc)
        FROM dbo.StoryIntelligenceRuns r
        WHERE r.UserID = @UserID
            AND r.Status IN (N'Pending', N'Running')
        GROUP BY r.UserID, r.ProjectID, r.BookID
    ),
    ScopedRuns AS
    (
        SELECT r.*
        FROM dbo.StoryIntelligenceRuns r
        INNER JOIN ActiveScopes scope
            ON scope.UserID = r.UserID
            AND ISNULL(scope.ProjectID, -1) = ISNULL(r.ProjectID, -1)
            AND ISNULL(scope.BookID, -1) = ISNULL(r.BookID, -1)
            AND r.CreatedUtc >= DATEADD(minute, -30, scope.LatestCreatedUtc)
        WHERE r.Status IN (N'Pending', N'Running', N'Completed', N'CompletedWithWarnings', N'Failed', N'Cancelled')
    ),
    CanonicalSceneScope AS
    (
        SELECT DISTINCT
            r.UserID,
            r.ProjectID,
            r.BookID,
            s.SceneID
        FROM ScopedRuns r
        INNER JOIN dbo.Chapters c
            ON c.ChapterID = r.ChapterID
            AND c.IsArchived = 0
        INNER JOIN dbo.Scenes s
            ON s.ChapterID = c.ChapterID
            AND s.IsArchived = 0
    ),
    RunSummary AS
    (
        SELECT
            r.UserID,
            r.ProjectID,
            r.BookID,
            COUNT(1) AS RunCount,
            SUM(CASE WHEN r.Status = N'Pending' THEN 1 ELSE 0 END) AS PendingRunCount,
            SUM(CASE WHEN r.Status = N'Running' THEN 1 ELSE 0 END) AS RunningRunCount,
            SUM(CASE WHEN r.Status IN (N'Completed', N'CompletedWithWarnings') THEN 1 ELSE 0 END) AS CompletedRunCount,
            SUM(CASE WHEN r.Status IN (N'Failed', N'Cancelled') THEN 1 ELSE 0 END) AS FailedRunCount,
            SUM(ISNULL(r.TotalDetectedScenes, 0)) AS TotalDetectedScenes,
            SUM(ISNULL(r.CompletedScenes, 0)) AS CompletedScenes,
            SUM(ISNULL(r.FailedScenes, 0)) AS FailedScenes,
            SUM(CASE
                WHEN r.Status = N'Running'
                    THEN CASE
                        WHEN ISNULL(r.TotalDetectedScenes, 0) - ISNULL(r.CompletedScenes, 0) - ISNULL(r.FailedScenes, 0) > 0
                            THEN ISNULL(r.TotalDetectedScenes, 0) - ISNULL(r.CompletedScenes, 0) - ISNULL(r.FailedScenes, 0)
                        ELSE 0
                    END
                ELSE 0
            END) AS ActiveScenes,
            SUM(ISNULL(r.TotalDurationMs, 0)) AS TotalDurationMs,
            MIN(r.CreatedUtc) AS FirstCreatedUtc,
            MAX(r.UpdatedUtc) AS UpdatedUtc
        FROM ScopedRuns r
        GROUP BY r.UserID, r.ProjectID, r.BookID
    ),
    ExpectedSceneSummary AS
    (
        SELECT
            scope.UserID,
            scope.ProjectID,
            scope.BookID,
            COUNT(scope.SceneID) AS TotalExpectedScenes
        FROM CanonicalSceneScope scope
        GROUP BY scope.UserID, scope.ProjectID, scope.BookID
    )
    SELECT
        summary.UserID,
        summary.ProjectID,
        p.ProjectName AS ProjectTitle,
        summary.BookID,
        b.BookTitle,
        b.Subtitle AS BookSubtitle,
        summary.RunCount,
        summary.PendingRunCount,
        summary.RunningRunCount,
        summary.CompletedRunCount,
        summary.FailedRunCount,
        COALESCE(expected.TotalExpectedScenes, NULLIF(summary.TotalDetectedScenes, 0), 0) AS TotalExpectedScenes,
        summary.TotalDetectedScenes,
        summary.CompletedScenes,
        summary.FailedScenes,
        summary.ActiveScenes,
        CASE
            WHEN COALESCE(expected.TotalExpectedScenes, NULLIF(summary.TotalDetectedScenes, 0), 0) <= 0 THEN 0
            ELSE CONVERT(int, ROUND(summary.CompletedScenes * 100.0 / COALESCE(expected.TotalExpectedScenes, NULLIF(summary.TotalDetectedScenes, 0), 1), 0))
        END AS ProgressPercent,
        CASE
            WHEN summary.RunningRunCount > 0
                AND COALESCE(expected.TotalExpectedScenes, NULLIF(summary.TotalDetectedScenes, 0), 0) > 0
                AND summary.CompletedScenes + summary.FailedScenes >= COALESCE(expected.TotalExpectedScenes, NULLIF(summary.TotalDetectedScenes, 0), 0)
                THEN N'Finalising'
            WHEN summary.FailedRunCount > 0 OR summary.FailedScenes > 0 THEN N'CompletedWithWarnings'
            WHEN summary.RunningRunCount > 0 THEN N'Running'
            WHEN summary.PendingRunCount > 0 THEN N'Pending'
            ELSE N'Completed'
        END AS Status,
        summary.TotalDurationMs,
        summary.FirstCreatedUtc,
        summary.UpdatedUtc
    FROM RunSummary summary
    LEFT JOIN ExpectedSceneSummary expected
        ON expected.UserID = summary.UserID
        AND ISNULL(expected.ProjectID, -1) = ISNULL(summary.ProjectID, -1)
        AND ISNULL(expected.BookID, -1) = ISNULL(summary.BookID, -1)
    LEFT JOIN dbo.Projects p ON p.ProjectID = summary.ProjectID
    LEFT JOIN dbo.Books b ON b.BookID = summary.BookID
    WHERE summary.PendingRunCount > 0 OR summary.RunningRunCount > 0
    ORDER BY summary.UpdatedUtc DESC, summary.FirstCreatedUtc;
END;
GO