<?php

use App\Livewire\Sankey\Index;
use App\Models\User;
use Livewire\Livewire;

it('builds flows from revenue to depense and epargne categories', function (): void {
    $user = User::factory()->create();
    $household = $user->currentHousehold;

    $revenu = $household->categories()->create(['name' => 'Salaire', 'type' => 'revenu', 'position' => 1]);
    $depense = $household->categories()->create(['name' => 'Loyer', 'type' => 'depense', 'position' => 1]);
    $epargne = $household->categories()->create(['name' => 'Vacances', 'type' => 'epargne', 'position' => 1]);

    $household->transactions()->create([
        'category_id' => $revenu->id, 'user_id' => $user->id,
        'date' => '2026-01-01', 'date_effective' => '2026-01-01', 'amount' => 2000,
    ]);
    $household->transactions()->create([
        'category_id' => $depense->id, 'user_id' => $user->id,
        'date' => '2026-01-02', 'date_effective' => '2026-01-02', 'amount' => 1200,
    ]);
    $household->transactions()->create([
        'category_id' => $epargne->id, 'user_id' => $user->id,
        'date' => '2026-01-03', 'date_effective' => '2026-01-03', 'amount' => 300,
    ]);

    $component = Livewire::actingAs($user)->test(Index::class)
        ->set('year', 2026)
        ->set('period', 'year');

    $flows = $component->viewData('flows');

    expect($flows)->toHaveCount(3); // Loyer, Vacances, Non affecté
    expect($flows->firstWhere('to', 'Loyer')['flow'])->toBe(1200.0);
    expect($flows->firstWhere('to', 'Vacances')['flow'])->toBe(300.0);
    expect($flows->firstWhere('to', 'Non affecté')['flow'])->toBe(500.0);

    expect($component->viewData('totalRevenue'))->toBe(2000.0);
    expect($component->viewData('hasData'))->toBeTrue();
});

it('omits the unallocated flow when all revenue is spent or saved', function (): void {
    $user = User::factory()->create();
    $household = $user->currentHousehold;

    $revenu = $household->categories()->create(['name' => 'Salaire', 'type' => 'revenu', 'position' => 1]);
    $depense = $household->categories()->create(['name' => 'Loyer', 'type' => 'depense', 'position' => 1]);

    $household->transactions()->create([
        'category_id' => $revenu->id, 'user_id' => $user->id,
        'date' => '2026-01-01', 'date_effective' => '2026-01-01', 'amount' => 1000,
    ]);
    $household->transactions()->create([
        'category_id' => $depense->id, 'user_id' => $user->id,
        'date' => '2026-01-02', 'date_effective' => '2026-01-02', 'amount' => 1000,
    ]);

    $component = Livewire::actingAs($user)->test(Index::class)
        ->set('year', 2026)
        ->set('period', 'year');

    $flows = $component->viewData('flows');

    expect($flows)->toHaveCount(1);
    expect($flows->firstWhere('to', 'Non affecté'))->toBeNull();
});

it('shows no data state when there is no tracked revenue', function (): void {
    $user = User::factory()->create();

    $component = Livewire::actingAs($user)->test(Index::class);

    expect($component->viewData('hasData'))->toBeFalse();
    expect($component->viewData('flows'))->toHaveCount(0);
});

it('does not leak another household categories into the flows', function (): void {
    $ownerA = User::factory()->create();
    $ownerB = User::factory()->create();

    $revenuA = $ownerA->currentHousehold->categories()->create(['name' => 'Salaire A', 'type' => 'revenu', 'position' => 1]);
    $depenseB = $ownerB->currentHousehold->categories()->create(['name' => 'Loyer B', 'type' => 'depense', 'position' => 1]);

    $ownerA->currentHousehold->transactions()->create([
        'category_id' => $revenuA->id, 'user_id' => $ownerA->id,
        'date' => now(), 'date_effective' => now(), 'amount' => 1000,
    ]);

    $component = Livewire::actingAs($ownerA)->test(Index::class);

    expect($component->viewData('flows')->pluck('to'))->not->toContain('Loyer B');
});