-- CreateExtension
CREATE EXTENSION IF NOT EXISTS "vector";

-- CreateEnum
CREATE TYPE "TenantStatus" AS ENUM ('ACTIVE', 'SUSPENDED');

-- CreateEnum
CREATE TYPE "UserStatus" AS ENUM ('ACTIVE', 'INVITED', 'LOCKED', 'DEACTIVATED');

-- CreateTable
CREATE TABLE "tenants" (
    "id" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "slug" TEXT NOT NULL,
    "status" "TenantStatus" NOT NULL DEFAULT 'ACTIVE',
    "config" JSONB NOT NULL DEFAULT '{}',
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "users" (
    "id" TEXT NOT NULL,
    "tenant_id" TEXT NOT NULL,
    "email" TEXT NOT NULL,
    "password_hash" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    "status" "UserStatus" NOT NULL DEFAULT 'ACTIVE',
    "mfa_secret" TEXT,
    "is_platform_admin" BOOLEAN NOT NULL DEFAULT false,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "roles" (
    "id" TEXT NOT NULL,
    "tenant_id" TEXT NOT NULL,
    "key" TEXT NOT NULL,
    "name" TEXT NOT NULL,

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

-- CreateTable
CREATE TABLE "permissions" (
    "id" TEXT NOT NULL,
    "key" TEXT NOT NULL,

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

-- CreateTable
CREATE TABLE "user_roles" (
    "user_id" TEXT NOT NULL,
    "role_id" TEXT NOT NULL,

    CONSTRAINT "user_roles_pkey" PRIMARY KEY ("user_id","role_id")
);

-- CreateTable
CREATE TABLE "role_permissions" (
    "role_id" TEXT NOT NULL,
    "permission_id" TEXT NOT NULL,

    CONSTRAINT "role_permissions_pkey" PRIMARY KEY ("role_id","permission_id")
);

-- CreateTable
CREATE TABLE "audit_logs" (
    "id" TEXT NOT NULL,
    "tenant_id" TEXT NOT NULL,
    "actor_id" TEXT,
    "action" TEXT NOT NULL,
    "entity" TEXT NOT NULL,
    "entity_id" TEXT,
    "before" JSONB,
    "after" JSONB,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateIndex
CREATE UNIQUE INDEX "tenants_slug_key" ON "tenants"("slug");

-- CreateIndex
CREATE INDEX "users_tenant_id_idx" ON "users"("tenant_id");

-- CreateIndex
CREATE UNIQUE INDEX "users_tenant_id_email_key" ON "users"("tenant_id", "email");

-- CreateIndex
CREATE INDEX "roles_tenant_id_idx" ON "roles"("tenant_id");

-- CreateIndex
CREATE UNIQUE INDEX "roles_tenant_id_key_key" ON "roles"("tenant_id", "key");

-- CreateIndex
CREATE UNIQUE INDEX "permissions_key_key" ON "permissions"("key");

-- CreateIndex
CREATE INDEX "audit_logs_tenant_id_entity_entity_id_idx" ON "audit_logs"("tenant_id", "entity", "entity_id");

-- CreateIndex
CREATE INDEX "audit_logs_tenant_id_created_at_idx" ON "audit_logs"("tenant_id", "created_at");

-- AddForeignKey
ALTER TABLE "users" ADD CONSTRAINT "users_tenant_id_fkey" FOREIGN KEY ("tenant_id") REFERENCES "tenants"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "roles" ADD CONSTRAINT "roles_tenant_id_fkey" FOREIGN KEY ("tenant_id") REFERENCES "tenants"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

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

-- AddForeignKey
ALTER TABLE "user_roles" ADD CONSTRAINT "user_roles_role_id_fkey" FOREIGN KEY ("role_id") REFERENCES "roles"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "role_permissions" ADD CONSTRAINT "role_permissions_role_id_fkey" FOREIGN KEY ("role_id") REFERENCES "roles"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "role_permissions" ADD CONSTRAINT "role_permissions_permission_id_fkey" FOREIGN KEY ("permission_id") REFERENCES "permissions"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "audit_logs" ADD CONSTRAINT "audit_logs_tenant_id_fkey" FOREIGN KEY ("tenant_id") REFERENCES "tenants"("id") ON DELETE RESTRICT ON UPDATE CASCADE;