<?php

namespace Tempo\Purchasing\Delivery;

use Illuminate\Database\ConnectionInterface;
use Illuminate\Database\Schema\Blueprint;

/** Empty dependencies of the existing workspace, no demo seeds. */
final class BudgetUiSchema
{
    public const TABLES = ['cb_ui_commands', 'cb_consumption_sources'];

    public static function create(ConnectionInterface $db): void
    {
        $schema = $db->getSchemaBuilder();
        foreach (self::TABLES as $table) {
            if ($schema->hasTable($table)) {
                throw new \RuntimeException('Dependência de interface existente exige reconciliação explícita.');
            }
        }
        $scope = function (Blueprint $t) {
            foreach (['tenant_id', 'company_id', 'unit_id'] as $name) {
                $t->unsignedBigInteger($name);
            }
            $t->foreign(['tenant_id', 'company_id', 'unit_id'])->references(['tenant_id', 'company_id', 'id'])->on('units')->restrictOnDelete();
        };
        $schema->create('cb_ui_commands', function (Blueprint $t) use ($scope) {
            $t->id();
            $scope($t);
            $t->unsignedBigInteger('actor_id');
            $t->foreign(['actor_id', 'tenant_id', 'company_id'])->references(['user_id', 'tenant_id', 'company_id'])->on('company_memberships')->restrictOnDelete();
            $t->uuid('command_key');
            $t->string('action');
            $t->string('request_hash', 64);
            $t->jsonb('result');
            $t->timestamp('created_at');
            $t->unique(['tenant_id', 'company_id', 'unit_id', 'actor_id', 'command_key']);
        });
        $schema->create('cb_consumption_sources', function (Blueprint $t) use ($scope) {
            $t->id();
            $scope($t);
            $t->foreignId('origin_id')->constrained('cb_origins');
            $t->foreignId('created_by')->constrained('users');
            $t->string('reference', 100);
            $t->bigInteger('total_minor');
            $t->bigInteger('subtotal_minor');
            $t->timestamp('created_at');
            $t->unique(['tenant_id', 'company_id', 'unit_id', 'reference']);
        });
        $db->unprepared("CREATE FUNCTION cb_ui_commands_immutable() RETURNS trigger LANGUAGE plpgsql AS \$\$ BEGIN RAISE EXCEPTION 'Preserve budget command receipts'; END; \$\$; CREATE TRIGGER cb_ui_commands_immutable BEFORE UPDATE OR DELETE ON cb_ui_commands FOR EACH ROW EXECUTE FUNCTION cb_ui_commands_immutable();");
    }
}