<?php

namespace Tests\Feature;

use App\PersonTarget;
use Tests\DatabaseTestCase;

class PersonTargetsTest extends DatabaseTestCase
{
    /** @dataProvider paymentStates */
    public function test_payment_states_and_outstanding_balances($expense, $payment, $difference, $state)
    {
        $account = $expense ? $this->expenseAccount : $this->incomeAccount;
        $target = $this->target(100, $account);
        if ($payment > 0) {
            $this->booking('2020-01-15', $payment, $account, ['person_target_id' => $target->id]);
        }
        $this->assertEquals($difference, $target->difference());
        $this->assertSame($state === 'paid', $target->isPaid());
        $this->assertTrue(PersonTarget::$state()->contains('id', $target->id));
        $this->assertSame($state !== 'paid', PersonTarget::open()->contains('id', $target->id));
        $this->assertSame($difference > 0, PersonTarget::receivable()->contains('id', $target->id));
        $this->assertSame($difference < 0, PersonTarget::debt()->contains('id', $target->id));
    }

    public function paymentStates()
    {
        return [
            'unpaid income' => [false, 0, 100, 'underpaid'],
            'partial income' => [false, 40, 60, 'underpaid'],
            'paid income' => [false, 100, 0, 'paid'],
            'overpaid income' => [false, 120, -20, 'overpaid'],
            'unpaid expense' => [true, 0, -100, 'underpaid'],
            'partial expense' => [true, 40, -60, 'underpaid'],
            'paid expense' => [true, 100, 0, 'paid'],
            'overpaid expense' => [true, 120, 20, 'overpaid'],
        ];
    }

    public function test_multiple_payments_accumulate_and_targets_page_displays_remaining_total()
    {
        $receivable = $this->target(100);
        $payable = $this->target(80, $this->expenseAccount);
        $paid = $this->target(25);
        $this->booking('2020-01-10', 30, null, ['person_target_id' => $receivable->id]);
        $this->booking('2020-01-20', 20, null, ['person_target_id' => $receivable->id]);
        $this->booking('2020-01-20', 15, $this->expenseAccount, ['person_target_id' => $payable->id]);
        $this->booking('2020-01-20', 25, null, ['person_target_id' => $paid->id]);
        $response = $this->actingAs($this->user)->get('/targets')->assertStatus(200);
        $data = $response->original->getData();
        $this->assertEquals(['receivables' => 50, 'debts' => -65], $data['sums']);
        $this->assertSame([$receivable->id], $data['personTargets']['receivables']->pluck('id')->all());
        $this->assertSame([$payable->id], $data['personTargets']['debts']->pluck('id')->all());
    }
}