-- Round finalization fields
ALTER TABLE "Round" ADD COLUMN "gracePeriodEndsAt" TIMESTAMP(3);
ALTER TABLE "Round" ADD COLUMN "finalizedAt" TIMESTAMP(3);
ALTER TABLE "Round" ADD COLUMN "finalizedBy" TEXT;

-- ProjectRoundState proposed outcome for finalization pool
ALTER TABLE "ProjectRoundState" ADD COLUMN "proposedOutcome" "ProjectRoundStateValue";

-- Mark already-closed rounds as pre-finalized IF their projects were already
-- advanced to the IMMEDIATELY NEXT round (sortOrder = current + 1).
-- We check the next sequential round only, not any subsequent round, because
-- projects can appear in non-adjacent rounds (e.g. special award tracks) without
-- implying the current round was finalized.
UPDATE "Round" r
SET "finalizedAt" = NOW(), "finalizedBy" = 'system-migration'
WHERE r.status IN ('ROUND_CLOSED', 'ROUND_ARCHIVED')
  AND EXISTS (
    SELECT 1
    FROM "Round" next_r
    JOIN "ProjectRoundState" next_prs ON next_prs."roundId" = next_r.id
    JOIN "ProjectRoundState" cur_prs ON cur_prs."roundId" = r.id
      AND cur_prs."projectId" = next_prs."projectId"
    WHERE next_r."competitionId" = r."competitionId"
      AND next_r."sortOrder" = r."sortOrder" + 1
    LIMIT 1
  );

-- ─── Backfill terminal states for already-finalized rounds ───────────────────
-- These rounds were finalized manually before this system existed.
-- Set ProjectRoundState to accurate terminal states so the data matches reality.
-- All updates are guarded by current state + round type to avoid touching anything unexpected.

-- R0 (INTAKE, closed): All 214 projects completed intake successfully → PASSED
-- Guard: only touch COMPLETED states in closed INTAKE rounds marked as finalized
UPDATE "ProjectRoundState" prs
SET state = 'PASSED', "proposedOutcome" = 'PASSED'
FROM "Round" r
WHERE prs."roundId" = r.id
  AND r."roundType" = 'INTAKE'
  AND r.status = 'ROUND_CLOSED'
  AND r."finalizedAt" IS NOT NULL
  AND prs.state = 'COMPLETED';

-- R1 (FILTERING, closed): Set states based on FilteringResult outcomes
-- Projects that passed filtering → PASSED
UPDATE "ProjectRoundState" prs
SET state = 'PASSED', "proposedOutcome" = 'PASSED'
FROM "Round" r
WHERE prs."roundId" = r.id
  AND r."roundType" = 'FILTERING'
  AND r.status = 'ROUND_CLOSED'
  AND r."finalizedAt" IS NOT NULL
  AND prs.state = 'PENDING'
  AND EXISTS (
    SELECT 1 FROM "FilteringResult" fr
    WHERE fr."projectId" = prs."projectId"
      AND (
        fr."finalOutcome" = 'PASSED'
        OR (fr."finalOutcome" IS NULL AND fr.outcome IN ('PASSED', 'FLAGGED'))
      )
  );

-- Projects that were filtered out → REJECTED
UPDATE "ProjectRoundState" prs
SET state = 'REJECTED', "proposedOutcome" = 'REJECTED'
FROM "Round" r
WHERE prs."roundId" = r.id
  AND r."roundType" = 'FILTERING'
  AND r.status = 'ROUND_CLOSED'
  AND r."finalizedAt" IS NOT NULL
  AND prs.state = 'PENDING'
  AND EXISTS (
    SELECT 1 FROM "FilteringResult" fr
    WHERE fr."projectId" = prs."projectId"
      AND (
        fr."finalOutcome" = 'FILTERED_OUT'
        OR (fr."finalOutcome" IS NULL AND fr.outcome = 'FILTERED_OUT')
      )
  );