-- =============================================================================
-- Phase 7/8 Migration Part 1: Rename stageId → roundId on 15 tables
-- =============================================================================
-- This migration renames stageId columns to roundId and updates FK constraints
-- to point to the Round table instead of Stage table.

-- ─── 1. EvaluationForm ───────────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "EvaluationForm" DROP CONSTRAINT IF EXISTS "EvaluationForm_stageId_fkey";

-- Drop indexes
DROP INDEX IF EXISTS "EvaluationForm_stageId_version_key";
DROP INDEX IF EXISTS "EvaluationForm_stageId_isActive_idx";

-- Rename column
ALTER TABLE "EvaluationForm" RENAME COLUMN "stageId" TO "roundId";

-- Recreate indexes with new name
CREATE UNIQUE INDEX "EvaluationForm_roundId_version_key" ON "EvaluationForm"("roundId", "version");
CREATE INDEX "EvaluationForm_roundId_isActive_idx" ON "EvaluationForm"("roundId", "isActive");

-- Recreate FK pointing to Round
ALTER TABLE "EvaluationForm" ADD CONSTRAINT "EvaluationForm_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 2. FileRequirement ──────────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "FileRequirement" DROP CONSTRAINT IF EXISTS "FileRequirement_stageId_fkey";

-- Drop index
DROP INDEX IF EXISTS "FileRequirement_stageId_idx";

-- Rename column
ALTER TABLE "FileRequirement" RENAME COLUMN "stageId" TO "roundId";

-- Recreate index
CREATE INDEX "FileRequirement_roundId_idx" ON "FileRequirement"("roundId");

-- Recreate FK pointing to Round
ALTER TABLE "FileRequirement" ADD CONSTRAINT "FileRequirement_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 3. Assignment ───────────────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "Assignment" DROP CONSTRAINT IF EXISTS "Assignment_stageId_fkey";

-- Drop indexes and unique constraint
DROP INDEX IF EXISTS "Assignment_userId_projectId_stageId_key";
DROP INDEX IF EXISTS "Assignment_stageId_idx";

-- Rename column
ALTER TABLE "Assignment" RENAME COLUMN "stageId" TO "roundId";

-- Recreate unique constraint and index with new name
CREATE UNIQUE INDEX "Assignment_userId_projectId_roundId_key" ON "Assignment"("userId", "projectId", "roundId");
CREATE INDEX "Assignment_roundId_idx" ON "Assignment"("roundId");

-- Recreate FK pointing to Round
ALTER TABLE "Assignment" ADD CONSTRAINT "Assignment_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 4. GracePeriod ──────────────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "GracePeriod" DROP CONSTRAINT IF EXISTS "GracePeriod_stageId_fkey";

-- Drop indexes
DROP INDEX IF EXISTS "GracePeriod_stageId_idx";
DROP INDEX IF EXISTS "GracePeriod_stageId_userId_extendedUntil_idx";

-- Rename column
ALTER TABLE "GracePeriod" RENAME COLUMN "stageId" TO "roundId";

-- Recreate indexes
CREATE INDEX "GracePeriod_roundId_idx" ON "GracePeriod"("roundId");
CREATE INDEX "GracePeriod_roundId_userId_extendedUntil_idx" ON "GracePeriod"("roundId", "userId", "extendedUntil");

-- Recreate FK pointing to Round
ALTER TABLE "GracePeriod" ADD CONSTRAINT "GracePeriod_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 5. LiveVotingSession ────────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "LiveVotingSession" DROP CONSTRAINT IF EXISTS "LiveVotingSession_stageId_fkey";

-- Drop unique index
DROP INDEX IF EXISTS "LiveVotingSession_stageId_key";

-- Rename column
ALTER TABLE "LiveVotingSession" RENAME COLUMN "stageId" TO "roundId";

-- Recreate unique index
CREATE UNIQUE INDEX "LiveVotingSession_roundId_key" ON "LiveVotingSession"("roundId");

-- Recreate FK pointing to Round (nullable)
ALTER TABLE "LiveVotingSession" ADD CONSTRAINT "LiveVotingSession_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 6. FilteringRule ────────────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "FilteringRule" DROP CONSTRAINT IF EXISTS "FilteringRule_stageId_fkey";

-- Drop index
DROP INDEX IF EXISTS "FilteringRule_stageId_idx";

-- Rename column
ALTER TABLE "FilteringRule" RENAME COLUMN "stageId" TO "roundId";

-- Recreate index
CREATE INDEX "FilteringRule_roundId_idx" ON "FilteringRule"("roundId");

-- Recreate FK pointing to Round
ALTER TABLE "FilteringRule" ADD CONSTRAINT "FilteringRule_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 7. FilteringResult ──────────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "FilteringResult" DROP CONSTRAINT IF EXISTS "FilteringResult_stageId_fkey";

-- Drop indexes and unique constraint
DROP INDEX IF EXISTS "FilteringResult_stageId_projectId_key";
DROP INDEX IF EXISTS "FilteringResult_stageId_idx";

-- Rename column
ALTER TABLE "FilteringResult" RENAME COLUMN "stageId" TO "roundId";

-- Recreate unique constraint and index
CREATE UNIQUE INDEX "FilteringResult_roundId_projectId_key" ON "FilteringResult"("roundId", "projectId");
CREATE INDEX "FilteringResult_roundId_idx" ON "FilteringResult"("roundId");

-- Recreate FK pointing to Round
ALTER TABLE "FilteringResult" ADD CONSTRAINT "FilteringResult_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 8. FilteringJob ─────────────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "FilteringJob" DROP CONSTRAINT IF EXISTS "FilteringJob_stageId_fkey";

-- Drop index
DROP INDEX IF EXISTS "FilteringJob_stageId_idx";

-- Rename column
ALTER TABLE "FilteringJob" RENAME COLUMN "stageId" TO "roundId";

-- Recreate index
CREATE INDEX "FilteringJob_roundId_idx" ON "FilteringJob"("roundId");

-- Recreate FK pointing to Round
ALTER TABLE "FilteringJob" ADD CONSTRAINT "FilteringJob_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 9. AssignmentJob ────────────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "AssignmentJob" DROP CONSTRAINT IF EXISTS "AssignmentJob_stageId_fkey";

-- Drop index
DROP INDEX IF EXISTS "AssignmentJob_stageId_idx";

-- Rename column
ALTER TABLE "AssignmentJob" RENAME COLUMN "stageId" TO "roundId";

-- Recreate index
CREATE INDEX "AssignmentJob_roundId_idx" ON "AssignmentJob"("roundId");

-- Recreate FK pointing to Round
ALTER TABLE "AssignmentJob" ADD CONSTRAINT "AssignmentJob_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 10. ReminderLog ─────────────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "ReminderLog" DROP CONSTRAINT IF EXISTS "ReminderLog_stageId_fkey";

-- Drop indexes and unique constraint
DROP INDEX IF EXISTS "ReminderLog_stageId_userId_type_key";
DROP INDEX IF EXISTS "ReminderLog_stageId_idx";

-- Rename column
ALTER TABLE "ReminderLog" RENAME COLUMN "stageId" TO "roundId";

-- Recreate unique constraint and index
CREATE UNIQUE INDEX "ReminderLog_roundId_userId_type_key" ON "ReminderLog"("roundId", "userId", "type");
CREATE INDEX "ReminderLog_roundId_idx" ON "ReminderLog"("roundId");

-- Recreate FK pointing to Round
ALTER TABLE "ReminderLog" ADD CONSTRAINT "ReminderLog_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 11. EvaluationSummary ───────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "EvaluationSummary" DROP CONSTRAINT IF EXISTS "EvaluationSummary_stageId_fkey";

-- Drop indexes and unique constraint
DROP INDEX IF EXISTS "EvaluationSummary_projectId_stageId_key";
DROP INDEX IF EXISTS "EvaluationSummary_stageId_idx";

-- Rename column
ALTER TABLE "EvaluationSummary" RENAME COLUMN "stageId" TO "roundId";

-- Recreate unique constraint and index
CREATE UNIQUE INDEX "EvaluationSummary_projectId_roundId_key" ON "EvaluationSummary"("projectId", "roundId");
CREATE INDEX "EvaluationSummary_roundId_idx" ON "EvaluationSummary"("roundId");

-- Recreate FK pointing to Round
ALTER TABLE "EvaluationSummary" ADD CONSTRAINT "EvaluationSummary_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 12. EvaluationDiscussion ────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "EvaluationDiscussion" DROP CONSTRAINT IF EXISTS "EvaluationDiscussion_stageId_fkey";

-- Drop indexes and unique constraint
DROP INDEX IF EXISTS "EvaluationDiscussion_projectId_stageId_key";
DROP INDEX IF EXISTS "EvaluationDiscussion_stageId_idx";

-- Rename column
ALTER TABLE "EvaluationDiscussion" RENAME COLUMN "stageId" TO "roundId";

-- Recreate unique constraint and index
CREATE UNIQUE INDEX "EvaluationDiscussion_projectId_roundId_key" ON "EvaluationDiscussion"("projectId", "roundId");
CREATE INDEX "EvaluationDiscussion_roundId_idx" ON "EvaluationDiscussion"("roundId");

-- Recreate FK pointing to Round
ALTER TABLE "EvaluationDiscussion" ADD CONSTRAINT "EvaluationDiscussion_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 13. Message ─────────────────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "Message" DROP CONSTRAINT IF EXISTS "Message_stageId_fkey";

-- Drop index
DROP INDEX IF EXISTS "Message_stageId_idx";

-- Rename column (nullable, so SET NULL on delete)
ALTER TABLE "Message" RENAME COLUMN "stageId" TO "roundId";

-- Recreate index
CREATE INDEX "Message_roundId_idx" ON "Message"("roundId");

-- Recreate FK pointing to Round with SET NULL
ALTER TABLE "Message" ADD CONSTRAINT "Message_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- ─── 14. Cohort ──────────────────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "Cohort" DROP CONSTRAINT IF EXISTS "Cohort_stageId_fkey";

-- Drop indexes
DROP INDEX IF EXISTS "Cohort_stageId_idx";

-- Rename column
ALTER TABLE "Cohort" RENAME COLUMN "stageId" TO "roundId";

-- Recreate index
CREATE INDEX "Cohort_roundId_idx" ON "Cohort"("roundId");

-- Recreate FK pointing to Round
ALTER TABLE "Cohort" ADD CONSTRAINT "Cohort_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 15. LiveProgressCursor ──────────────────────────────────────────────────

-- Drop FK constraint
ALTER TABLE "LiveProgressCursor" DROP CONSTRAINT IF EXISTS "LiveProgressCursor_stageId_fkey";

-- Drop unique index
DROP INDEX IF EXISTS "LiveProgressCursor_stageId_key";

-- Rename column
ALTER TABLE "LiveProgressCursor" RENAME COLUMN "stageId" TO "roundId";

-- Recreate unique index
CREATE UNIQUE INDEX "LiveProgressCursor_roundId_key" ON "LiveProgressCursor"("roundId");

-- Recreate FK pointing to Round
ALTER TABLE "LiveProgressCursor" ADD CONSTRAINT "LiveProgressCursor_roundId_fkey"
  FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- ─── 16. SpecialAward: Drop trackId column ───────────────────────────────────

-- Drop FK constraint
ALTER TABLE "SpecialAward" DROP CONSTRAINT IF EXISTS "SpecialAward_trackId_fkey";

-- Drop unique index
DROP INDEX IF EXISTS "SpecialAward_trackId_key";

-- Drop column
ALTER TABLE "SpecialAward" DROP COLUMN IF EXISTS "trackId";