-- CreateEnum
CREATE TYPE "OrganizationType" AS ENUM ('COMPANY', 'SCHOOL', 'GOVERNMENT', 'LAB', 'OTHER');

-- CreateTable
CREATE TABLE "organizations" (
    "id" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "type" "OrganizationType" NOT NULL DEFAULT 'OTHER',
    "domain" TEXT,
    "is_active" BOOLEAN NOT NULL DEFAULT true,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "user_affiliations" (
    "id" TEXT NOT NULL,
    "user_id" TEXT NOT NULL,
    "organization_id" TEXT NOT NULL,
    "department" TEXT,
    "position" TEXT,
    "is_primary" BOOLEAN NOT NULL DEFAULT false,
    "starts_at" TIMESTAMP(3),
    "ends_at" TIMESTAMP(3),
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

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

-- CreateIndex
CREATE UNIQUE INDEX "organizations_name_type_key" ON "organizations"("name", "type");

-- CreateIndex
CREATE INDEX "organizations_is_active_type_idx" ON "organizations"("is_active", "type");

-- CreateIndex
CREATE INDEX "user_affiliations_user_id_is_primary_idx" ON "user_affiliations"("user_id", "is_primary");

-- CreateIndex
CREATE INDEX "user_affiliations_organization_id_idx" ON "user_affiliations"("organization_id");

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

-- AddForeignKey
ALTER TABLE "user_affiliations" ADD CONSTRAINT "user_affiliations_organization_id_fkey" FOREIGN KEY ("organization_id") REFERENCES "organizations"("id") ON DELETE RESTRICT ON UPDATE CASCADE;