/*
  Warnings:

  - You are about to drop the column `created_at` on the `Message` table. All the data in the column will be lost.
  - You are about to drop the column `updated_at` on the `Message` table. All the data in the column will be lost.
  - You are about to drop the `_recipients` table. If the table is not empty, all the data it contains will be lost.
  - Added the required column `conversation_id` to the `Message` table without a default value. This is not possible if the table is not empty.

*/
-- DropForeignKey
ALTER TABLE "_recipients" DROP CONSTRAINT "_recipients_A_fkey";

-- DropForeignKey
ALTER TABLE "_recipients" DROP CONSTRAINT "_recipients_B_fkey";

-- AlterTable
ALTER TABLE "Message" DROP COLUMN "created_at",
DROP COLUMN "updated_at",
ADD COLUMN     "conversation_id" TEXT NOT NULL,
ADD COLUMN     "sentAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;

-- DropTable
DROP TABLE "_recipients";

-- CreateTable
CREATE TABLE "Conversation" (
    "id" TEXT NOT NULL,
    "name" TEXT,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL
);

-- CreateTable
CREATE TABLE "Participant" (
    "id" TEXT NOT NULL,
    "benutzer_id" TEXT NOT NULL,
    "conversation_id" TEXT NOT NULL,
    "joined_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

    CONSTRAINT "Participant_pkey" PRIMARY KEY ("id")
);

-- CreateIndex
CREATE UNIQUE INDEX "Conversation_id_key" ON "Conversation"("id");

-- CreateIndex
CREATE UNIQUE INDEX "Participant_benutzer_id_conversation_id_key" ON "Participant"("benutzer_id", "conversation_id");

-- AddForeignKey
ALTER TABLE "Message" ADD CONSTRAINT "Message_conversation_id_fkey" FOREIGN KEY ("conversation_id") REFERENCES "Conversation"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Participant" ADD CONSTRAINT "Participant_benutzer_id_fkey" FOREIGN KEY ("benutzer_id") REFERENCES "benutzer"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Participant" ADD CONSTRAINT "Participant_conversation_id_fkey" FOREIGN KEY ("conversation_id") REFERENCES "Conversation"("id") ON DELETE RESTRICT ON UPDATE CASCADE;