-- CreateEnum
DO $$ BEGIN
  CREATE TYPE "LibraryShelfKind" AS ENUM ('MOVIE', 'SERIES');
EXCEPTION
  WHEN duplicate_object THEN null;
END $$;

-- CreateTable
CREATE TABLE IF NOT EXISTS "library_shelves" (
    "id" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "slug" TEXT NOT NULL,
    "kind" "LibraryShelfKind" NOT NULL,
    "sort_order" INTEGER NOT NULL DEFAULT 0,
    "enabled" BOOLEAN NOT NULL DEFAULT true,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,
    CONSTRAINT "library_shelves_pkey" PRIMARY KEY ("id")
);

CREATE UNIQUE INDEX IF NOT EXISTS "library_shelves_slug_key" ON "library_shelves"("slug");

CREATE TABLE IF NOT EXISTS "node_scan_roots" (
    "id" TEXT NOT NULL,
    "node_id" TEXT NOT NULL,
    "path" TEXT NOT NULL,
    "shelf_id" TEXT NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,
    CONSTRAINT "node_scan_roots_pkey" PRIMARY KEY ("id")
);

CREATE UNIQUE INDEX IF NOT EXISTS "node_scan_roots_node_id_path_key" ON "node_scan_roots"("node_id", "path");
CREATE INDEX IF NOT EXISTS "node_scan_roots_shelf_id_idx" ON "node_scan_roots"("shelf_id");

ALTER TABLE "media_files" ADD COLUMN IF NOT EXISTS "shelf_id" TEXT;
CREATE INDEX IF NOT EXISTS "media_files_shelf_id_idx" ON "media_files"("shelf_id");

DO $$ BEGIN
  ALTER TABLE "node_scan_roots" ADD CONSTRAINT "node_scan_roots_node_id_fkey"
    FOREIGN KEY ("node_id") REFERENCES "nodes"("id") ON DELETE CASCADE ON UPDATE CASCADE;
EXCEPTION WHEN duplicate_object THEN null; END $$;

DO $$ BEGIN
  ALTER TABLE "node_scan_roots" ADD CONSTRAINT "node_scan_roots_shelf_id_fkey"
    FOREIGN KEY ("shelf_id") REFERENCES "library_shelves"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
EXCEPTION WHEN duplicate_object THEN null; END $$;

DO $$ BEGIN
  ALTER TABLE "media_files" ADD CONSTRAINT "media_files_shelf_id_fkey"
    FOREIGN KEY ("shelf_id") REFERENCES "library_shelves"("id") ON DELETE SET NULL ON UPDATE CASCADE;
EXCEPTION WHEN duplicate_object THEN null; END $$;

-- Default shelves
INSERT INTO "library_shelves" ("id", "name", "slug", "kind", "sort_order", "enabled", "created_at", "updated_at")
VALUES
  ('00000000-0000-4000-8000-000000000001', 'Films', 'films', 'MOVIE', 0, true, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
  ('00000000-0000-4000-8000-000000000002', 'Series', 'series', 'SERIES', 1, true, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
ON CONFLICT ("slug") DO NOTHING;