<?php

namespace Tests\Feature;

use App\Models\EconomicCluster;
use App\Models\Project;
use App\Models\User;
use App\Models\ValueChain;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;
use Tests\TestCase;

class InvestmentStructureTest extends TestCase
{
    use RefreshDatabase;

    private function manager(): void
    {
        $user = User::factory()->create();
        config(['portal.managers' => [$user->email]]);
        $this->actingAs($user);
    }

    public function test_project_validates_money_dates_and_duplicate_codes_without_precision_loss(): void
    {
        $this->manager();
        $data = ['code' => 'P-001', 'name' => 'Projecto de teste', 'status' => 'planned',
            'budget_amount' => '999999999999999999.99', 'budget_currency' => 'MZN',
            'start_date' => '2026-10-01', 'end_date' => '2026-11-01'];
        $this->post('/management/projects', [...$data, 'end_date' => '2026-09-01'])->assertSessionHasErrors('end_date');
        $this->post('/management/projects', [...$data, 'budget_currency' => ''])->assertSessionHasErrors('budget_currency');
        $this->post('/management/projects', $data)->assertSessionHasNoErrors()->assertRedirect();
        $project = Project::firstOrFail();
        $this->assertSame($data['budget_amount'], $project->budget_amount);
        $this->post('/management/projects', $data)->assertSessionHasErrors('code');
        $this->put('/management/projects/'.$project->id, [...$data, 'status' => 'active'])->assertSessionHasNoErrors();
        $this->get('/management/projects/'.$project->id.'/edit')->assertOk();
        $this->get('/management/projects?q=P-001')->assertOk();
        $this->assertDatabaseCount('projects', 1);
        $this->assertSame(2, DB::table('audit_events')->where('entity_type', 'projects')->count());
    }

    public function test_cluster_membership_is_idempotent_and_role_changes_are_audited(): void
    {
        $this->manager();
        $this->post('/management/clusters', ['code' => 'C-001', 'name' => 'Cluster de teste', 'sector' => 'Energia', 'status' => 'planned'])->assertSessionHasNoErrors();
        $cluster = EconomicCluster::firstOrFail();
        $project = Project::factory()->create();
        $url = '/management/clusters/'.$cluster->id.'/projects';
        $this->post($url, ['project_id' => $project->id, 'role' => 'anchor'])->assertSessionHasNoErrors();
        $this->post($url, ['project_id' => $project->id, 'role' => 'anchor'])->assertSessionHasNoErrors();
        $this->assertDatabaseCount('cluster_projects', 1);
        $this->post($url, ['project_id' => $project->id, 'role' => 'supporting'])->assertSessionHasNoErrors();
        $this->assertDatabaseHas('cluster_projects', ['project_id' => $project->id, 'role' => 'supporting']);
        $this->assertSame(2, DB::table('audit_events')->where('entity_type', 'cluster_projects')->count());
        $project->delete();
        $this->post($url, ['project_id' => $project->id, 'role' => 'anchor'])->assertSessionHasErrors('project_id');
        $this->get('/management/clusters/'.$cluster->id.'/edit')->assertOk();
    }

    public function test_chain_edit_cannot_cross_cluster_and_codes_are_unique_per_cluster(): void
    {
        $this->manager();
        $first = EconomicCluster::create(['code' => 'C1', 'name' => 'Primeiro', 'sector' => 'Energia', 'status' => 'planned']);
        $second = EconomicCluster::create(['code' => 'C2', 'name' => 'Segundo', 'sector' => 'Agro', 'status' => 'planned']);
        $data = ['code' => 'INPUT', 'name' => 'Insumos', 'stage' => 'input'];
        $this->post('/management/clusters/'.$first->id.'/chains', $data)->assertSessionHasNoErrors();
        $chain = ValueChain::firstOrFail();
        $this->post('/management/clusters/'.$first->id.'/chains', $data)->assertSessionHasErrors('code');
        $this->post('/management/clusters/'.$second->id.'/chains', $data)->assertSessionHasNoErrors();
        $this->put('/management/clusters/'.$second->id.'/chains/'.$chain->id, [...$data, 'name' => 'Alterado'])->assertNotFound();
        $this->assertSame('Insumos', $chain->fresh()->name);
        $this->put('/management/clusters/'.$first->id.'/chains/'.$chain->id, [...$data, 'stage' => 'processing'])->assertSessionHasNoErrors();
        $this->assertSame('processing', $chain->fresh()->stage);
    }

    public function test_structure_management_requires_authorised_verified_manager(): void
    {
        $this->get('/management/clusters')->assertRedirect('/login');
        $this->actingAs(User::factory()->create());
        $this->get('/management/projects')->assertForbidden();
        $this->post('/management/clusters', [])->assertForbidden();
        $this->assertDatabaseCount('economic_clusters', 0);
    }
}