<?php

use App\Jobs\RunDockerImageBuild;
use App\Models\DockerImageBuild;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Process\PendingProcess;
use Illuminate\Support\Facades\Process;

uses(RefreshDatabase::class);

test('run docker image build job marks successful builds as succeeded', function () {
    $dockerImageBuild = DockerImageBuild::factory()->create([
        'image_name' => 'ghcr.io/acme/example',
        'image_tag' => 'latest',
        'dockerfile_content' => implode("\n", [
            'FROM alpine:3.20',
            'RUN echo "building"',
        ]),
        'environment' => [
            ['key' => 'APP_ENV', 'value' => 'production'],
            ['key' => 'APP_NAME', 'value' => 'Docker Builder'],
        ],
    ]);

    Process::fake(function (PendingProcess $process) {
        expect($process->path)->not->toBeNull();
        expect($process->command)->toBe([
            'docker',
            'build',
            '--tag',
            'ghcr.io/acme/example:latest',
            '.',
        ]);

        $dockerfile = file_get_contents($process->path.'/Dockerfile');

        expect($dockerfile)
            ->toContain('FROM alpine:3.20')
            ->toContain('RUN echo "building"')
            ->toContain('ENV APP_ENV="production"')
            ->toContain('ENV APP_NAME="Docker Builder"');

        return Process::result(implode("\n", [
            'Step 1/2 : FROM alpine:3.20',
            'Successfully built ghcr.io/acme/example:latest',
        ]));
    });

    (new RunDockerImageBuild($dockerImageBuild->id))->handle();

    $dockerImageBuild->refresh();

    expect($dockerImageBuild->status)->toBe(DockerImageBuild::STATUS_SUCCEEDED)
        ->and($dockerImageBuild->successful)->toBeTrue()
        ->and($dockerImageBuild->exit_code)->toBe(0)
        ->and($dockerImageBuild->build_output)->toContain('Successfully built ghcr.io/acme/example:latest')
        ->and($dockerImageBuild->started_at)->not->toBeNull()
        ->and($dockerImageBuild->finished_at)->not->toBeNull();
});

test('run docker image build job marks non-zero docker exits as failed', function () {
    $dockerImageBuild = DockerImageBuild::factory()->create([
        'image_name' => 'ghcr.io/acme/example',
        'image_tag' => 'broken',
    ]);

    Process::fake(fn (PendingProcess $process) => Process::result(
        'Step 1/1 : FROM missing:latest',
        'failed to solve: missing image',
        1,
    ));

    (new RunDockerImageBuild($dockerImageBuild->id))->handle();

    $dockerImageBuild->refresh();

    expect($dockerImageBuild->status)->toBe(DockerImageBuild::STATUS_FAILED)
        ->and($dockerImageBuild->successful)->toBeFalse()
        ->and($dockerImageBuild->exit_code)->toBe(1)
        ->and($dockerImageBuild->build_output)->toContain('failed to solve: missing image')
        ->and($dockerImageBuild->finished_at)->not->toBeNull();
});

test('run docker image build job records unexpected process exceptions as failed', function () {
    $dockerImageBuild = DockerImageBuild::factory()->create();

    Process::fake(fn (PendingProcess $process) => throw new \RuntimeException('Docker is unavailable'));

    expect(fn () => (new RunDockerImageBuild($dockerImageBuild->id))->handle())
        ->toThrow(\RuntimeException::class, 'Docker is unavailable');

    $dockerImageBuild->refresh();

    expect($dockerImageBuild->status)->toBe(DockerImageBuild::STATUS_FAILED)
        ->and($dockerImageBuild->successful)->toBeFalse()
        ->and($dockerImageBuild->exit_code)->toBe(1)
        ->and($dockerImageBuild->build_output)->toContain('Docker is unavailable')
        ->and($dockerImageBuild->finished_at)->not->toBeNull();
});