-- Reconciliation migration: Add missing foreign keys and indexes
-- The add_15_features migration omitted some FKs and indexes that the schema expects
-- This migration brings the database in line with the Prisma schema

-- =====================================================
-- Missing Foreign Keys
-- =====================================================

-- RoundTemplate -> Program
DO $$ BEGIN
    ALTER TABLE "RoundTemplate" ADD CONSTRAINT "RoundTemplate_programId_fkey"
      FOREIGN KEY ("programId") REFERENCES "Program"("id") ON DELETE CASCADE ON UPDATE CASCADE;
EXCEPTION WHEN duplicate_object THEN NULL; END $$;

-- RoundTemplate -> User (creator)
DO $$ BEGIN
    ALTER TABLE "RoundTemplate" ADD CONSTRAINT "RoundTemplate_createdBy_fkey"
      FOREIGN KEY ("createdBy") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
EXCEPTION WHEN duplicate_object THEN NULL; END $$;

-- Message -> Round
DO $$ BEGIN
    ALTER TABLE "Message" ADD CONSTRAINT "Message_roundId_fkey"
      FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE SET NULL ON UPDATE CASCADE;
EXCEPTION WHEN duplicate_object THEN NULL; END $$;

-- EvaluationDiscussion -> Round
DO $$ BEGIN
    ALTER TABLE "EvaluationDiscussion" ADD CONSTRAINT "EvaluationDiscussion_roundId_fkey"
      FOREIGN KEY ("roundId") REFERENCES "Round"("id") ON DELETE CASCADE ON UPDATE CASCADE;
EXCEPTION WHEN duplicate_object THEN NULL; END $$;

-- ProjectFile -> ProjectFile (self-relation for file versioning)
DO $$ BEGIN
    ALTER TABLE "ProjectFile" ADD CONSTRAINT "ProjectFile_replacedById_fkey"
      FOREIGN KEY ("replacedById") REFERENCES "ProjectFile"("id") ON DELETE SET NULL ON UPDATE CASCADE;
EXCEPTION WHEN duplicate_object THEN NULL; END $$;

-- =====================================================
-- Missing Indexes
-- =====================================================

CREATE INDEX IF NOT EXISTS "RoundTemplate_roundType_idx" ON "RoundTemplate"("roundType");
CREATE INDEX IF NOT EXISTS "MentorNote_authorId_idx" ON "MentorNote"("authorId");
CREATE INDEX IF NOT EXISTS "MentorMilestoneCompletion_completedById_idx" ON "MentorMilestoneCompletion"("completedById");
CREATE INDEX IF NOT EXISTS "Webhook_createdById_idx" ON "Webhook"("createdById");
CREATE INDEX IF NOT EXISTS "WebhookDelivery_event_idx" ON "WebhookDelivery"("event");
CREATE INDEX IF NOT EXISTS "Message_roundId_idx" ON "Message"("roundId");
CREATE INDEX IF NOT EXISTS "EvaluationDiscussion_closedById_idx" ON "EvaluationDiscussion"("closedById");
CREATE INDEX IF NOT EXISTS "DiscussionComment_discussionId_idx" ON "DiscussionComment"("discussionId");
CREATE INDEX IF NOT EXISTS "DiscussionComment_userId_idx" ON "DiscussionComment"("userId");