<?php

namespace Tests\Feature;

use App\Models\User;
use App\Services\EmailDomain\EmailDomainClient;
use App\Services\Mailbox\MailboxClient;
use App\Services\Payment\WalletPaymentService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Str;
use Mockery;
use Tests\TestCase;

class MailboxesTest extends TestCase
{
    use RefreshDatabase;

    protected function tearDown(): void
    {
        Mockery::close();
        parent::tearDown();
    }

    private function user(): User
    {
        return User::create(['public_id' => (string) Str::uuid(), 'name' => 'A', 'email' => 'a+'.uniqid().'@x.com']);
    }

    private function mailboxClient(): \Mockery\MockInterface
    {
        $m = Mockery::mock(MailboxClient::class);
        $this->app->instance(MailboxClient::class, $m);

        return $m;
    }

    private function wallet(): \Mockery\MockInterface
    {
        $w = Mockery::mock(WalletPaymentService::class);
        $w->shouldReceive('balanceMinor')->andReturn(0)->byDefault();
        $this->app->instance(WalletPaymentService::class, $w);

        return $w;
    }

    public function test_root_redirects_guest_to_sso(): void
    {
        $this->get('/')->assertRedirect(route('sso.connect'));
    }

    public function test_mailboxes_require_login(): void
    {
        $this->get(route('email.mailboxes.index'))->assertRedirect(route('login'));
    }

    public function test_index_lists_from_api(): void
    {
        $this->mailboxClient()->shouldReceive('forUser')->andReturn([
            ['id' => 1, 'address' => 'me@acme.com', 'display_name' => 'Me', 'quota_mb' => 10240, 'status' => 'active'],
        ]);

        $this->actingAs($this->user())->get(route('email.mailboxes.index'))->assertOk()->assertSee('me@acme.com');
    }

    public function test_create_form_shows_free_banner_within_allowance(): void
    {
        config(['email.free_mailboxes' => 1]);
        $this->mailboxClient()->shouldReceive('forUser')->andReturn([]);
        $this->wallet();
        $dc = Mockery::mock(EmailDomainClient::class);
        $dc->shouldReceive('verified')->andReturn([['id' => 7, 'domain' => 'acme.com']]);
        $this->app->instance(EmailDomainClient::class, $dc);

        $this->actingAs($this->user())->get(route('email.mailboxes.create'))
            ->assertOk()->assertSee('free, forever', false);
    }

    public function test_store_free_1gb_mailbox_creates_without_charge(): void
    {
        $mc = $this->mailboxClient();
        $mc->shouldReceive('create')->once()
            ->with(Mockery::any(), 7, 'sales', 'Sales', 'secret123', 1024, false, null) // 1 GB = free
            ->andReturn(['id' => 9, 'address' => 'sales@acme.com']);
        $w = $this->wallet();
        $w->shouldNotReceive('charge');

        $this->actingAs($this->user())->post(route('email.mailboxes.store'), [
            'email_domain_id' => 7, 'local_part' => 'Sales', 'display_name' => 'Sales',
            'password' => 'secret123', 'password_confirmation' => 'secret123', 'quota_mb' => 1024,
        ])->assertRedirect(route('email.mailboxes.show', 9));
    }

    public function test_store_paid_mailbox_charges_tier_price(): void
    {
        // 25 GB tier = GHS 30 = 3000 (doubled)
        $mc = $this->mailboxClient();
        $mc->shouldReceive('create')->once()
            ->withArgs(fn ($pid, $did, $lp, $dn, $pw, $q, $paid, $ref) => $did === 7 && $q === 25600 && $paid === true && is_string($ref))
            ->andReturn(['id' => 5, 'address' => 'sales@acme.com']);
        $w = $this->wallet();
        $w->shouldReceive('canAfford')->once()->with(Mockery::any(), 3000)->andReturn(true);
        $w->shouldReceive('charge')->once()->withArgs(fn ($u, $amt, ...$r) => $amt === 3000)->andReturn(true);

        $this->actingAs($this->user())->post(route('email.mailboxes.store'), [
            'email_domain_id' => 7, 'local_part' => 'sales', 'display_name' => 'Sales',
            'password' => 'secret123', 'password_confirmation' => 'secret123', 'quota_mb' => 25600,
        ])->assertRedirect(route('email.mailboxes.show', 5));
    }

    public function test_store_rejects_invalid_quota(): void
    {
        $mc = $this->mailboxClient();
        $mc->shouldNotReceive('create');
        $this->wallet();

        $this->actingAs($this->user())->from(route('email.mailboxes.create'))->post(route('email.mailboxes.store'), [
            'email_domain_id' => 7, 'local_part' => 'sales', 'display_name' => 'Sales',
            'password' => 'secret123', 'password_confirmation' => 'secret123', 'quota_mb' => 999,
        ])->assertSessionHasErrors('quota_mb');
    }

    public function test_store_paid_blocks_when_wallet_insufficient(): void
    {
        $mc = $this->mailboxClient();
        $mc->shouldNotReceive('create');
        $w = $this->wallet();
        $w->shouldReceive('canAfford')->once()->andReturn(false);

        $this->actingAs($this->user())->from(route('email.mailboxes.create'))->post(route('email.mailboxes.store'), [
            'email_domain_id' => 7, 'local_part' => 'sales', 'display_name' => 'Sales',
            'password' => 'secret123', 'password_confirmation' => 'secret123', 'quota_mb' => 10240,
        ])->assertRedirect(route('email.mailboxes.create'))->assertSessionHas('error');
    }

    public function test_upgrade_charges_new_tier_and_updates_quota(): void
    {
        $mc = $this->mailboxClient();
        $mc->shouldReceive('show')->andReturn(['id' => 3, 'address' => 'me@acme.com', 'quota_mb' => 1024]); // currently free 1 GB
        $mc->shouldReceive('updateQuota')->once()
            ->withArgs(fn ($pid, $id, $mb, $paid, $ref) => $id === 3 && $mb === 10240 && $paid === true && is_string($ref))
            ->andReturn(['id' => 3, 'quota_mb' => 10240]);
        $w = $this->wallet();
        $w->shouldReceive('canAfford')->once()->with(Mockery::any(), 2000)->andReturn(true); // 10 GB = GHS 20
        $w->shouldReceive('charge')->once()->withArgs(fn ($u, $amt, ...$r) => $amt === 2000)->andReturn(true);

        $this->actingAs($this->user())->patch(route('email.mailboxes.upgrade.store', 3), ['quota_mb' => 10240])
            ->assertRedirect(route('email.mailboxes.show', 3));
    }

    public function test_upgrade_rejects_smaller_or_equal_plan(): void
    {
        $mc = $this->mailboxClient();
        $mc->shouldReceive('show')->andReturn(['id' => 3, 'address' => 'me@acme.com', 'quota_mb' => 10240]);
        $mc->shouldNotReceive('updateQuota');
        $w = $this->wallet();
        $w->shouldNotReceive('charge');

        $this->actingAs($this->user())->from(route('email.mailboxes.show', 3))
            ->patch(route('email.mailboxes.upgrade.store', 3), ['quota_mb' => 5120])
            ->assertRedirect(route('email.mailboxes.show', 3))->assertSessionHas('error');
    }

    public function test_domains_index_lists_from_api(): void
    {
        $dc = Mockery::mock(EmailDomainClient::class);
        $dc->shouldReceive('forUser')->andReturn([['id' => 1, 'domain' => 'acme.com', 'active' => false]]);
        $this->app->instance(EmailDomainClient::class, $dc);

        $this->actingAs($this->user())->get(route('email.domains.index'))
            ->assertOk()->assertSee('acme.com')->assertSee('Pending verification');
    }
}