<?php

namespace Tests\Feature\Git;

use App\Actions\Git\Data\GitAuthenticatedUser;
use App\Actions\Git\Data\GitBranch;
use App\Actions\Git\Data\GitPullRequest;
use App\Actions\Git\Data\GitRepository;
use App\Actions\Git\Gitea\GiteaProviderClient;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Http;
use Tests\TestCase;

class GiteaProviderTest extends TestCase
{
    use RefreshDatabase;

    /**
     * Ensure the provider authenticates against the Gitea user endpoint.
     */
    public function test_provider_can_fetch_the_authenticated_user(): void
    {
        Http::preventStrayRequests();
        Http::fake([
            'https://git.example.test/api/v1/user' => Http::response([
                'id' => 101,
                'login' => 'nico',
                'full_name' => 'Nico Example',
            ]),
        ]);

        $authenticatedUser = app(GiteaProviderClient::class)->getAuthenticatedUser(
            'https://git.example.test',
            'super-secret-token',
        );

        $this->assertInstanceOf(GitAuthenticatedUser::class, $authenticatedUser);
        $this->assertSame('101', $authenticatedUser->providerUserId);
        $this->assertSame('nico', $authenticatedUser->login);
        $this->assertSame('Nico Example', $authenticatedUser->name);

        Http::assertSent(function ($request): bool {
            return $request->url() === 'https://git.example.test/api/v1/user'
                && $request->hasHeader('Authorization', 'token super-secret-token');
        });
    }

    /**
     * Ensure the provider lists repositories from the authenticated Gitea account.
     */
    public function test_provider_can_list_repositories(): void
    {
        Http::preventStrayRequests();
        Http::fake([
            'https://git.example.test/api/v1/user/repos*' => Http::response([
                [
                    'id' => 501,
                    'name' => 'kanbangit',
                    'full_name' => 'nico/kanbangit',
                    'html_url' => 'https://git.example.test/nico/kanbangit',
                    'default_branch' => 'main',
                    'owner' => [
                        'login' => 'nico',
                    ],
                    'private' => false,
                ],
            ]),
        ]);

        $repositories = app(GiteaProviderClient::class)->listRepositories(
            'https://git.example.test/api/v1',
            'repo-token',
        );

        $this->assertCount(1, $repositories);
        $this->assertContainsOnlyInstancesOf(GitRepository::class, $repositories);
        $this->assertSame('https://git.example.test/api/v1', $repositories[0]->baseUrl);
        $this->assertSame('501', $repositories[0]->providerRepositoryId);
        $this->assertSame('nico/kanbangit', $repositories[0]->fullName);
        $this->assertSame('main', $repositories[0]->defaultBranch);
        $this->assertFalse($repositories[0]->isPrivate);

        Http::assertSent(function ($request): bool {
            return str_starts_with($request->url(), 'https://git.example.test/api/v1/user/repos')
                && $request->hasHeader('Authorization', 'token repo-token');
        });
    }

    /**
     * Ensure the provider can fetch a single repository with its default branch.
     */
    public function test_provider_can_fetch_a_single_repository(): void
    {
        Http::preventStrayRequests();
        Http::fake([
            'https://git.example.test/api/v1/repos/core-team/kanbangit' => Http::response([
                'id' => 501,
                'name' => 'kanbangit',
                'full_name' => 'core-team/kanbangit',
                'html_url' => 'https://git.example.test/core-team/kanbangit',
                'default_branch' => 'main',
                'owner' => [
                    'login' => 'core-team',
                ],
                'private' => true,
            ]),
        ]);

        $repository = app(GiteaProviderClient::class)->getRepository(
            'https://git.example.test',
            'repo-token',
            'core-team',
            'kanbangit',
        );

        $this->assertInstanceOf(GitRepository::class, $repository);
        $this->assertSame('https://git.example.test', $repository->baseUrl);
        $this->assertSame('501', $repository->providerRepositoryId);
        $this->assertSame('core-team', $repository->owner);
        $this->assertSame('kanbangit', $repository->name);
        $this->assertSame('main', $repository->defaultBranch);
        $this->assertTrue($repository->isPrivate);
    }

    /**
     * Ensure the provider lists branches for a specific repository.
     */
    public function test_provider_can_list_repository_branches(): void
    {
        Http::preventStrayRequests();
        Http::fake([
            'https://git.example.test/api/v1/repos/core-team/kanbangit/branches*' => Http::response([
                [
                    'name' => 'CORE-1-login-form',
                ],
                [
                    'name' => 'main',
                ],
            ]),
        ]);

        $branches = app(GiteaProviderClient::class)->listBranches(
            'branch-token',
            new GitRepository(
                baseUrl: 'https://git.example.test',
                providerRepositoryId: '501',
                owner: 'core-team',
                name: 'kanbangit',
                fullName: 'core-team/kanbangit',
                htmlUrl: 'https://git.example.test/core-team/kanbangit',
                defaultBranch: 'main',
                isPrivate: false,
            ),
        );

        $this->assertCount(2, $branches);
        $this->assertContainsOnlyInstancesOf(GitBranch::class, $branches);
        $this->assertSame('CORE-1-login-form', $branches[0]->name);

        Http::assertSent(function ($request): bool {
            return str_starts_with(
                $request->url(),
                'https://git.example.test/api/v1/repos/core-team/kanbangit/branches',
            ) && $request->hasHeader('Authorization', 'token branch-token');
        });
    }

    /**
     * Ensure the provider can create branches from a base reference.
     */
    public function test_provider_can_create_a_repository_branch(): void
    {
        Http::preventStrayRequests();
        Http::fake([
            'https://git.example.test/api/v1/repos/core-team/kanbangit/branches' => Http::response([
                'name' => 'core-1-login-form',
            ], 201),
        ]);

        $branch = app(GiteaProviderClient::class)->createBranch(
            'https://git.example.test',
            'branch-token',
            'core-team',
            'kanbangit',
            'core-1-login-form',
            'main',
        );

        $this->assertInstanceOf(GitBranch::class, $branch);
        $this->assertSame('core-1-login-form', $branch->name);

        Http::assertSent(function ($request): bool {
            return $request->url() === 'https://git.example.test/api/v1/repos/core-team/kanbangit/branches'
                && $request['new_branch_name'] === 'core-1-login-form'
                && $request['old_ref_name'] === 'main'
                && $request->hasHeader('Authorization', 'token branch-token');
        });
    }

    /**
     * Ensure the provider lists pull requests for a specific repository.
     */
    public function test_provider_can_list_repository_pull_requests(): void
    {
        Http::preventStrayRequests();
        Http::fake([
            'https://git.example.test/api/v1/repos/core-team/kanbangit/pulls*' => Http::response([
                [
                    'number' => 42,
                    'title' => 'Add login form',
                    'state' => 'open',
                    'merged' => false,
                    'html_url' => 'https://git.example.test/core-team/kanbangit/pulls/42',
                    'head' => [
                        'ref' => 'CORE-1-login-form',
                    ],
                ],
            ]),
        ]);

        $pullRequests = app(GiteaProviderClient::class)->listPullRequests(
            'pull-token',
            new GitRepository(
                baseUrl: 'https://git.example.test',
                providerRepositoryId: '501',
                owner: 'core-team',
                name: 'kanbangit',
                fullName: 'core-team/kanbangit',
                htmlUrl: 'https://git.example.test/core-team/kanbangit',
                defaultBranch: 'main',
                isPrivate: false,
            ),
        );

        $this->assertCount(1, $pullRequests);
        $this->assertContainsOnlyInstancesOf(GitPullRequest::class, $pullRequests);
        $this->assertSame('42', $pullRequests[0]->number);
        $this->assertSame('Add login form', $pullRequests[0]->title);
        $this->assertSame('open', $pullRequests[0]->status);
        $this->assertSame('CORE-1-login-form', $pullRequests[0]->sourceBranch);

        Http::assertSent(function ($request): bool {
            return str_starts_with(
                $request->url(),
                'https://git.example.test/api/v1/repos/core-team/kanbangit/pulls',
            ) && $request->hasHeader('Authorization', 'token pull-token');
        });
    }
}