<?php

use App\Models\InventoryItem;
use App\Models\InventoryLink;
use App\Models\Tenant;
use App\Services\Inventory\DependencyExtractionService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Str;

uses(RefreshDatabase::class);

it('extracts deterministically and enforces unique key', function () {
    $tenant = Tenant::factory()->create();

    /** @var InventoryItem $item */
    $item = InventoryItem::factory()->create([
        'tenant_id' => $tenant->getKey(),
        'external_id' => (string) Str::uuid(),
    ]);

    $policyData = [
        'id' => $item->external_id,
        'assignments' => [
            ['target' => ['groupId' => 'group-1']],
            ['target' => ['groupId' => 'group-2']],
        ],
        'roleScopeTagIds' => ['scope-tag-1', 'scope-tag-2'],
    ];

    $svc = app(DependencyExtractionService::class);

    $warnings1 = $svc->extractForPolicyData($item, $policyData);
    $warnings2 = $svc->extractForPolicyData($item, $policyData); // re-run, should be idempotent

    expect($warnings1)->toBeArray()->toBeEmpty();
    expect($warnings2)->toBeArray()->toBeEmpty();

    $edges = InventoryLink::query()->where('tenant_id', $tenant->getKey())->get();
    expect($edges)->toHaveCount(4);

    // Ensure uniqueness by tuple (source, target, type)
    $tuples = $edges->map(fn ($e) => implode('|', [
        $e->source_type, $e->source_id, $e->target_type, (string) $e->target_id, $e->relationship_type,
    ]))->unique();

    expect($tuples->count())->toBe(4);
});

it('handles unsupported references by recording warnings (no edges)', function () {
    $tenant = Tenant::factory()->create();

    /** @var InventoryItem $item */
    $item = InventoryItem::factory()->create([
        'tenant_id' => $tenant->getKey(),
        'external_id' => (string) Str::uuid(),
    ]);

    $policyData = [
        'id' => $item->external_id,
        'assignments' => [
            ['target' => ['filterId' => 'filter-only-no-group']], // no groupId shape → missing
        ],
    ];

    Log::spy();

    $svc = app(DependencyExtractionService::class);

    $warnings = $svc->extractForPolicyData($item, $policyData);
    expect($warnings)->toBeArray()->toHaveCount(1);
    expect($warnings[0]['type'] ?? null)->toBe('unsupported_reference');
    expect($warnings[0]['policy_id'] ?? null)->toBe($item->external_id);

    expect(InventoryLink::query()->count())->toBe(0);

    Log::shouldHaveReceived('info')
        ->withArgs(fn (string $message, array $context) => $message === 'Unsupported reference shape encountered'
            && ($context['type'] ?? null) === 'unsupported_reference'
            && ($context['policy_id'] ?? null) === $item->external_id)
        ->once();
});

it('deduplicates edges before upsert to avoid conflict errors', function () {
    $tenant = \App\Models\Tenant::factory()->create();

    $item = \App\Models\InventoryItem::factory()->create([
        'tenant_id' => $tenant->getKey(),
        'policy_type' => 'settingsCatalogPolicy',
        'external_id' => 'pol-dup-1',
    ]);

    $svc = app(\App\Services\Inventory\DependencyExtractionService::class);

    $policyData = [
        'id' => 'pol-dup-1',
        'assignments' => [
            ['target' => ['groupId' => 'group-1', '@odata.type' => '#microsoft.graph.groupAssignmentTarget']],
            ['target' => ['groupId' => 'group-1', '@odata.type' => '#microsoft.graph.groupAssignmentTarget']],
        ],
        'roleScopeTagIds' => ['0', '0'],
    ];

    $warnings = $svc->extractForPolicyData($item, $policyData);
    expect($warnings)->toBeArray()->toBeEmpty();

    $edges = \App\Models\InventoryLink::query()
        ->where('tenant_id', $tenant->getKey())
        ->where('source_id', 'pol-dup-1')
        ->get();

    expect($edges->where('relationship_type', 'assigned_to_include'))->toHaveCount(1);
    expect($edges->where('relationship_type', 'scoped_by'))->toHaveCount(1);
});