<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    public function up(): void
    {
        Schema::create('purchase_plan_items', function (Blueprint $table) {
            $table->id();
            $table->foreignId('tenant_id')->constrained()->restrictOnDelete();
            $table->foreignId('department_id')->constrained()->restrictOnDelete();
            $table->foreignId('requisition_id')->nullable()->unique()->constrained()->restrictOnDelete();
            $table->foreignId('created_by')->constrained('users')->restrictOnDelete();
            $table->foreignId('responsible_id')->constrained('users')->restrictOnDelete();
            $table->string('title', 200);
            $table->string('nature');
            $table->unsignedInteger('version')->default(1);
            $table->timestamps();
        });
        Schema::create('purchase_plan_milestones', function (Blueprint $table) {
            $table->id();
            $table->foreignId('tenant_id')->constrained()->restrictOnDelete();
            $table->foreignId('purchase_plan_item_id')->constrained()->restrictOnDelete();
            $table->foreignId('created_by')->constrained('users')->restrictOnDelete();
            $table->string('label', 120);
            $table->date('planned_on');
            $table->date('actual_on')->nullable();
            $table->unsignedInteger('version')->default(1);
            $table->timestamps();
            $table->unique(['purchase_plan_item_id', 'label']);
        });
    }

    public function down(): void
    {
        throw new LogicException('Preservar o planeamento e o histórico das alterações.');
    }
};