-- CreateTable
CREATE TABLE "regions" (
    "id" SERIAL NOT NULL,
    "name" TEXT NOT NULL,
    "code" TEXT NOT NULL,

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

-- CreateTable
CREATE TABLE "hotels" (
    "id" SERIAL NOT NULL,
    "name" TEXT NOT NULL,
    "code" TEXT NOT NULL,
    "region_id" INTEGER NOT NULL,
    "status" TEXT NOT NULL DEFAULT 'ACTIVE',

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

-- CreateTable
CREATE TABLE "users" (
    "id" SERIAL NOT NULL,
    "username" TEXT NOT NULL,
    "email" TEXT NOT NULL,
    "password_hash" TEXT NOT NULL,
    "role" TEXT NOT NULL,
    "hotel_id" INTEGER NOT NULL,
    "area" TEXT NOT NULL,
    "status" TEXT NOT NULL DEFAULT 'ACTIVE',
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "compensation_plans" (
    "id" SERIAL NOT NULL,
    "name" TEXT NOT NULL,
    "code" TEXT NOT NULL,
    "validity_start" TIMESTAMP(3) NOT NULL,
    "validity_end" TIMESTAMP(3),
    "type" TEXT NOT NULL,
    "formula" TEXT,
    "meta_amount" DECIMAL(12,2),
    "percentage_rate" DECIMAL(5,4),
    "max_cap" DECIMAL(12,2),
    "status" TEXT NOT NULL DEFAULT 'DRAFT',
    "version" INTEGER NOT NULL DEFAULT 1,
    "created_by" INTEGER NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "calculation_rules" (
    "id" SERIAL NOT NULL,
    "plan_id" INTEGER NOT NULL,
    "type" TEXT NOT NULL,
    "min_achievement" DECIMAL(5,4) NOT NULL,
    "max_achievement" DECIMAL(5,4) NOT NULL,
    "rate" DECIMAL(5,4) NOT NULL,
    "payout_amount" DECIMAL(12,2) NOT NULL,

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

-- CreateTable
CREATE TABLE "goals" (
    "id" SERIAL NOT NULL,
    "target_type" TEXT NOT NULL,
    "target_id" INTEGER NOT NULL,
    "period" TEXT NOT NULL,
    "amount" DECIMAL(12,2) NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "sales_results" (
    "id" SERIAL NOT NULL,
    "source" TEXT NOT NULL,
    "hotel_id" INTEGER NOT NULL,
    "user_id" INTEGER NOT NULL,
    "period" TEXT NOT NULL,
    "amount" DECIMAL(12,2) NOT NULL,
    "sales_count" INTEGER NOT NULL,
    "status" TEXT NOT NULL DEFAULT 'PENDING',
    "idempotency_key" TEXT NOT NULL,
    "transaction_id" TEXT,
    "uploaded_by" INTEGER NOT NULL,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "settlements" (
    "id" SERIAL NOT NULL,
    "period" TEXT NOT NULL,
    "plan_id" INTEGER NOT NULL,
    "user_id" INTEGER NOT NULL,
    "sales_amount" DECIMAL(12,2) NOT NULL,
    "goal_amount" DECIMAL(12,2) NOT NULL,
    "achievement_percentage" DECIMAL(5,4) NOT NULL,
    "calculated_commission" DECIMAL(12,2) NOT NULL,
    "calculated_bonus" DECIMAL(12,2) NOT NULL,
    "adjustment_amount" DECIMAL(12,2) NOT NULL,
    "total_payout" DECIMAL(12,2) NOT NULL,
    "status" TEXT NOT NULL DEFAULT 'SIMULATED',
    "approved_by" INTEGER,
    "approved_at" TIMESTAMP(3),
    "rejection_reason" TEXT,
    "original_settlement_id" INTEGER,
    "adjustment_notes" TEXT,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "audit_logs" (
    "id" SERIAL NOT NULL,
    "user_id" INTEGER NOT NULL,
    "action" TEXT NOT NULL,
    "target_table" TEXT NOT NULL,
    "target_id" INTEGER NOT NULL,
    "previous_value" JSONB,
    "new_value" JSONB,
    "ip_address" TEXT,
    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateTable
CREATE TABLE "notifications" (
    "id" SERIAL NOT NULL,
    "user_id" INTEGER NOT NULL,
    "title" TEXT NOT NULL,
    "message" TEXT NOT NULL,
    "status" TEXT NOT NULL DEFAULT 'UNREAD',
    "type" TEXT NOT NULL,
    "sent_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

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

-- CreateIndex
CREATE UNIQUE INDEX "regions_code_key" ON "regions"("code");

-- CreateIndex
CREATE UNIQUE INDEX "hotels_code_key" ON "hotels"("code");

-- CreateIndex
CREATE UNIQUE INDEX "users_username_key" ON "users"("username");

-- CreateIndex
CREATE UNIQUE INDEX "users_email_key" ON "users"("email");

-- CreateIndex
CREATE UNIQUE INDEX "sales_results_idempotency_key_key" ON "sales_results"("idempotency_key");

-- AddForeignKey
ALTER TABLE "hotels" ADD CONSTRAINT "hotels_region_id_fkey" FOREIGN KEY ("region_id") REFERENCES "regions"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "users" ADD CONSTRAINT "users_hotel_id_fkey" FOREIGN KEY ("hotel_id") REFERENCES "hotels"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "compensation_plans" ADD CONSTRAINT "compensation_plans_created_by_fkey" FOREIGN KEY ("created_by") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "calculation_rules" ADD CONSTRAINT "calculation_rules_plan_id_fkey" FOREIGN KEY ("plan_id") REFERENCES "compensation_plans"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "goals" ADD CONSTRAINT "goals_target_id_fkey" FOREIGN KEY ("target_id") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "sales_results" ADD CONSTRAINT "sales_results_hotel_id_fkey" FOREIGN KEY ("hotel_id") REFERENCES "hotels"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

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

-- AddForeignKey
ALTER TABLE "sales_results" ADD CONSTRAINT "sales_results_uploaded_by_fkey" FOREIGN KEY ("uploaded_by") REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "settlements" ADD CONSTRAINT "settlements_plan_id_fkey" FOREIGN KEY ("plan_id") REFERENCES "compensation_plans"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

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

-- AddForeignKey
ALTER TABLE "settlements" ADD CONSTRAINT "settlements_approved_by_fkey" FOREIGN KEY ("approved_by") REFERENCES "users"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "settlements" ADD CONSTRAINT "settlements_original_settlement_id_fkey" FOREIGN KEY ("original_settlement_id") REFERENCES "settlements"("id") ON DELETE SET NULL ON UPDATE CASCADE;

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

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