-- CreateEnum
CREATE TYPE "SocialGroupType" AS ENUM ('SHIFT_TEAM', 'CAMPAIGN_TEAM', 'CUSTOM');

-- CreateTable
CREATE TABLE "social_groups" (
    "id" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "type" "SocialGroupType" NOT NULL,
    "reference_id" TEXT,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "social_group_members" (
    "id" TEXT NOT NULL,
    "group_id" TEXT NOT NULL,
    "user_id" TEXT NOT NULL,
    "joined_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateIndex
CREATE UNIQUE INDEX "idx_social_groups_type_ref" ON "social_groups"("type", "reference_id");

-- CreateIndex
CREATE INDEX "idx_social_group_members_user" ON "social_group_members"("user_id");

-- CreateIndex
CREATE UNIQUE INDEX "idx_social_group_members_unique" ON "social_group_members"("group_id", "user_id");

-- AddForeignKey
ALTER TABLE "social_group_members" ADD CONSTRAINT "social_group_members_group_id_fkey" FOREIGN KEY ("group_id") REFERENCES "social_groups"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "social_group_members" ADD CONSTRAINT "social_group_members_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;