<?php

namespace Tests\Client;

use App\Models\Question;
use Illuminate\Support\Carbon;
use LDC\LDCCRM\Enums\ApiError;
use LDC\LDCCRM\Exceptions\ApiErrorException;
use LDC\LDCCRM\Models\Question as ModelsQuestion;
use LDC\LDCCRM\Models\Stats;

class CrmClientV2StatsTest extends CrmClientTester
{
    /**
     * Get stats by brand
     *
     * @return void
     */
    public function testStatsByBrand()
    {
        $start = Carbon::now()->subMonths(3);
        $end   = Carbon::now();

        $stats = Stats::getBrandStats(
            $start->format('Y-m-d'),
            $end->format('Y-m-d')
        );

        $this->assertIsArray($stats, 'Results should be an array');

        $i    = 0;
        $keys = [
            'date', 'active', 'inactive', 'old_accounts', 'new_accounts',
            'total_accounts', 'total_opt_in'
        ];
        do {
            $this->assertArrayHasKey($i, $stats);
            foreach ($keys as $key) {
                $this->assertArrayHasKey($key, $stats[$i]);
            }
            $this->assertEquals($start->format('Y-m-d'), $stats[$i++]['date']);
            $start = $start->addDay();
        } while ($start->lessThanOrEqualTo($end));
    }

    /**
     * Get stat end date is before start date.
     *
     * @return void
     * @throws ApiErrorException Because end date is before start date.
     */
    public function testStatsByBrandShouldFailIfStartDateIsAfterEndDate()
    {
        $this->expectException(ApiErrorException::class);
        $start = Carbon::now();
        $end   = Carbon::now()->subDays(6);

        try {
            Stats::getBrandStats(
                $start->format('Y-m-d'),
                $end->format('Y-m-d')
            );
        } catch (ApiErrorException $e) {
            $this->assertEquals(ApiError::validationFailed(), $e->getApiError());
            throw $e;
        }
    }

    /**
     * Test interval 3 months max.
     *
     * @return void
     * @throws ApiErrorException Because interval is bigger thatn 3 months.
     */
    public function testStatsByBrandShouldFailIfIntervalIsMoreThanThreeMonths()
    {
        $this->expectException(ApiErrorException::class);
        $start = Carbon::now()->subMonths(3)->subDay();
        $end   = Carbon::now();

        try {
            Stats::getBrandStats(
                $start->format('Y-m-d'),
                $end->format('Y-m-d')
            );
        } catch (ApiErrorException $e) {
            $this->assertEquals(ApiError::validationFailed(), $e->getApiError());
            throw $e;
        }
    }

    /**
     * Test get stat by question.
     *
     * @return void
     */
    public function testStatsByQuestion()
    {
        /** @var \App\Models\Question $question */
        $question   = Question::where('brand_id', self::$brand->id)->first();
        $answersIds = $question->answers()->pluck('id');
        $start      = Carbon::now()->subMonths(3);
        $end        = Carbon::now();

        $stats = Stats::getQuestionStats(
            new ModelsQuestion([
                'id' => $question->id
            ]),
            $start->format('Y-m-d'),
            $end->format('Y-m-d')
        );

        do {
            $startD = $start->format('Y-m-d');
            $this->assertArrayHasKey($startD, $stats['stats']);
            // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundInExtendedClassBeforeLastUsed
            foreach ($answersIds as $key => $id) {
                $this->assertArrayHasKey($key, $stats['stats'][$startD]);
            }
            $start = $start->addDay();
        } while ($start->lessThanOrEqualTo($end));

        $this->assertIsArray($stats['stats'], 'Results should be an array');
    }

    /**
     * Get stats by question when it does not belongs to brand.
     *
     * @return void
     */
    public function testStatsByQuestionShouldFailIfQuestionDoesNotBelongsToBrand()
    {
        $this->expectException(ApiErrorException::class);
        /** @var \App\Models\Question $question */
        $question = Question::where('brand_id', '!=', self::$brand->id)->first();
        $start    = Carbon::now()->subMonths(3);
        $end      = Carbon::now();

        Stats::getQuestionStats(
            new ModelsQuestion([
                'id' => $question->id
            ]),
            $start->format('Y-m-d'),
            $end->format('Y-m-d')
        );
    }

    /**
     * Get stat by question when end date is before start date.
     *
     * @return void
     */
    public function testStatsByQuestionShouldFailIfStartDateIsAfterEndDate()
    {
        $this->expectException(ApiErrorException::class);
        /** @var \App\Models\Question $question */
        $question = Question::where('brand_id', '!=', self::$brand->id)->first();
        $start    = Carbon::now();
        $end      = Carbon::now()->subDays(6);

        Stats::getQuestionStats(
            new ModelsQuestion([
                'id' => $question->id
            ]),
            $start->format('Y-m-d'),
            $end->format('Y-m-d')
        );
    }

    /**
     * Get stat by question when interval is more thatn 3 months.
     *
     * @return void
     */
    public function testStatsByQuestionShouldFailIfIntervalIsMoreThanThreeMonths()
    {
        $this->expectException(ApiErrorException::class);
        /** @var \App\Models\Question $question */
        $question = Question::where('brand_id', '!=', self::$brand->id)->first();
        $start    = Carbon::now()->subMonths(3)->subDay();
        $end      = Carbon::now();

        Stats::getQuestionStats(
            new ModelsQuestion([
                'id' => $question->id
            ]),
            $start->format('Y-m-d'),
            $end->format('Y-m-d')
        );
    }
}