-- CreateSchema
CREATE SCHEMA IF NOT EXISTS "public";

-- CreateEnum
CREATE TYPE "OrderStatus" AS ENUM ('PENDING', 'PAID', 'RECHARGING', 'COMPLETED', 'EXPIRED', 'CANCELLED', 'FAILED', 'REFUNDING', 'REFUNDED', 'REFUND_FAILED');

-- CreateTable
CREATE TABLE "orders" (
    "id" TEXT NOT NULL,
    "user_id" INTEGER NOT NULL,
    "user_email" TEXT,
    "user_name" TEXT,
    "amount" DECIMAL(10,2) NOT NULL,
    "recharge_code" TEXT NOT NULL,
    "status" "OrderStatus" NOT NULL DEFAULT 'PENDING',
    "payment_type" TEXT NOT NULL,
    "zpay_trade_no" TEXT,
    "pay_url" TEXT,
    "qr_code" TEXT,
    "qr_code_img" TEXT,
    "refund_amount" DECIMAL(10,2),
    "refund_reason" TEXT,
    "refund_at" TIMESTAMP(3),
    "force_refund" BOOLEAN NOT NULL DEFAULT false,
    "expires_at" TIMESTAMP(3) NOT NULL,
    "paid_at" TIMESTAMP(3),
    "completed_at" TIMESTAMP(3),
    "failed_at" TIMESTAMP(3),
    "failed_reason" TEXT,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updated_at" TIMESTAMP(3) NOT NULL,
    "client_ip" TEXT,

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

-- CreateTable
CREATE TABLE "audit_logs" (
    "id" TEXT NOT NULL,
    "order_id" TEXT NOT NULL,
    "action" TEXT NOT NULL,
    "detail" TEXT,
    "operator" TEXT,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateIndex
CREATE UNIQUE INDEX "orders_recharge_code_key" ON "orders"("recharge_code");

-- CreateIndex
CREATE INDEX "orders_user_id_idx" ON "orders"("user_id");

-- CreateIndex
CREATE INDEX "orders_status_idx" ON "orders"("status");

-- CreateIndex
CREATE INDEX "orders_expires_at_idx" ON "orders"("expires_at");

-- CreateIndex
CREATE INDEX "orders_created_at_idx" ON "orders"("created_at");

-- CreateIndex
CREATE INDEX "audit_logs_order_id_idx" ON "audit_logs"("order_id");

-- CreateIndex
CREATE INDEX "audit_logs_created_at_idx" ON "audit_logs"("created_at");

-- AddForeignKey
ALTER TABLE "audit_logs" ADD CONSTRAINT "audit_logs_order_id_fkey" FOREIGN KEY ("order_id") REFERENCES "orders"("id") ON DELETE RESTRICT ON UPDATE CASCADE;