<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Tests\Unit\GroupClass;

use Brain\Monkey\Functions;
use Mockery;
use Unsupervised\Schedular\GroupClass\GroupAccess;
use Unsupervised\Schedular\GroupClass\GroupAccessRepository;
use Unsupervised\Schedular\Tests\Unit\TestCase;

class GroupAccessRepositoryTest extends TestCase
{
    private \wpdb $db;
    private GroupAccessRepository $repo;

    protected function setUp(): void
    {
        parent::setUp();

        $this->db         = Mockery::mock(\wpdb::class);
        $this->db->prefix = 'wp_';
        $this->repo       = new GroupAccessRepository($this->db);
    }

    public function testInsertReturnsId(): void
    {
        Functions\expect('current_time')->with('mysql')->andReturn('2026-06-02 09:00:00');

        $this->db->shouldReceive('insert')
            ->once()
            ->with(
                'wp_us_group_access',
                Mockery::on(static function (array $d): bool {
                    return $d['offering_id'] === 8
                        && $d['student_id'] === 5
                        && $d['status'] === GroupAccess::STATUS_INVITED;
                }),
                ['%d', '%d', '%s', '%d', '%s', '%d', '%s']
            );
        $this->db->insert_id = 3;

        self::assertSame(3, $this->repo->insert(new GroupAccess(offeringId: 8, studentId: 5, invitedBy: 2)));
    }

    public function testHasGrantTrueWhenCountPositive(): void
    {
        $this->db->shouldReceive('prepare')
            ->once()
            ->with(
                Mockery::pattern('/offering_id = %d AND student_id = %d AND status IN/'),
                'wp_us_group_access',
                8,
                5,
                GroupAccess::STATUS_INVITED,
                GroupAccess::STATUS_ENROLLED
            )
            ->andReturn('SELECT ...');
        $this->db->shouldReceive('get_var')->andReturn('1');

        self::assertTrue($this->repo->hasGrant(8, 5));
    }

    public function testHasGrantFalseWhenZero(): void
    {
        $this->db->shouldReceive('prepare')->andReturn('SELECT ...');
        $this->db->shouldReceive('get_var')->andReturn('0');

        self::assertFalse($this->repo->hasGrant(8, 5));
    }

    public function testFindGrantedOfferingIdsReturnsInts(): void
    {
        $this->db->shouldReceive('prepare')
            ->once()
            ->with(
                Mockery::pattern('/DISTINCT offering_id.*student_id = %d/s'),
                'wp_us_group_access',
                5,
                GroupAccess::STATUS_INVITED,
                GroupAccess::STATUS_ENROLLED
            )
            ->andReturn('SELECT ...');
        $this->db->shouldReceive('get_col')->andReturn(['8', '9']);

        self::assertSame([8, 9], $this->repo->findGrantedOfferingIds(5));
    }

    public function testFindByOfferingMapsRows(): void
    {
        $this->db->shouldReceive('prepare')->andReturn('SELECT ...');
        $this->db->shouldReceive('get_results')->andReturn([
            (object) [
                'id'          => '1',
                'offering_id' => '8',
                'student_id'  => '5',
                'email'       => '',
                'invite_id'   => null,
                'status'      => GroupAccess::STATUS_INVITED,
                'invited_by'  => '2',
            ],
        ]);

        $grants = $this->repo->findByOffering(8);

        self::assertCount(1, $grants);
        self::assertSame(5, $grants[0]->studentId);
    }

    public function testLinkStudentByEmailUpdatesNullStudentRows(): void
    {
        $this->db->shouldReceive('prepare')
            ->once()
            ->with(
                Mockery::pattern('/UPDATE %i SET student_id = %d WHERE email = %s AND student_id IS NULL/'),
                'wp_us_group_access',
                5,
                'a@b.test'
            )
            ->andReturn('UPDATE ...');
        $this->db->shouldReceive('query')->once()->with('UPDATE ...')->andReturn(1);

        self::assertTrue($this->repo->linkStudentByEmail('a@b.test', 5));
    }

    public function testLinkStudentByEmailIgnoresEmptyEmail(): void
    {
        $this->db->shouldReceive('prepare')->never();

        self::assertFalse($this->repo->linkStudentByEmail('', 5));
    }

    public function testMarkEnrolledUpdatesStatus(): void
    {
        $this->db->shouldReceive('update')
            ->once()
            ->with(
                'wp_us_group_access',
                ['status' => GroupAccess::STATUS_ENROLLED],
                ['offering_id' => 8, 'student_id' => 5],
                ['%s'],
                ['%d', '%d']
            )
            ->andReturn(1);

        self::assertTrue($this->repo->markEnrolled(8, 5));
    }

    public function testRevokeUpdatesStatus(): void
    {
        $this->db->shouldReceive('update')
            ->once()
            ->with('wp_us_group_access', ['status' => GroupAccess::STATUS_REVOKED], ['id' => 3], ['%s'], ['%d'])
            ->andReturn(1);

        self::assertTrue($this->repo->revoke(3));
    }
}