<?php

namespace Tests\Feature;

use App\Mail\MemberRegistrationWelcomeMail;
use App\Models\Member;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Mail;
use Tests\TestCase;

class MemberRegistrationTest extends TestCase
{
    use RefreshDatabase;

    protected function setUp(): void
    {
        parent::setUp();
        $this->artisan('db:seed', ['--class' => 'RoleSeeder']);
    }

    public function test_public_registration_form_is_accessible(): void
    {
        $response = $this->get(route('register.member'));

        $response->assertStatus(200);
        $response->assertSee('Register');
        $response->assertSee('Full Name');
        $response->assertSee('Email');
        $response->assertSee('Password');
    }

    public function test_can_register_with_valid_data(): void
    {
        Mail::fake();

        $response = $this->post(route('register.member.store'), [
            'full_name' => 'John Doe',
            'email' => 'john@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'phone' => '0912345678',
            'address_line_1' => '123 Test St',
            'city' => 'Taipei',
            'postal_code' => '100',
            'emergency_contact_name' => 'Jane Doe',
            'emergency_contact_phone' => '0987654321',
            'terms_accepted' => true,
        ]);

        $response->assertRedirect(route('member.dashboard'));
        $response->assertSessionHas('status');

        // Verify user created
        $this->assertDatabaseHas('users', [
            'email' => 'john@example.com',
        ]);

        // Verify member created
        $this->assertDatabaseHas('members', [
            'full_name' => 'John Doe',
            'email' => 'john@example.com',
            'phone' => '0912345678',
            'membership_status' => Member::STATUS_PENDING,
        ]);
    }

    public function test_user_and_member_records_created(): void
    {
        Mail::fake();

        $this->post(route('register.member.store'), [
            'full_name' => 'John Doe',
            'email' => 'john@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'phone' => '0912345678',
            'terms_accepted' => true,
        ]);

        $user = User::where('email', 'john@example.com')->first();
        $member = Member::where('email', 'john@example.com')->first();

        $this->assertNotNull($user);
        $this->assertNotNull($member);
        $this->assertEquals($user->id, $member->user_id);
        $this->assertTrue(Hash::check('Password123!', $user->password));
    }

    public function test_user_is_auto_logged_in_after_registration(): void
    {
        Mail::fake();

        $response = $this->post(route('register.member.store'), [
            'full_name' => 'John Doe',
            'email' => 'john@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'terms_accepted' => true,
        ]);

        $this->assertAuthenticated();

        $user = User::where('email', 'john@example.com')->first();
        $this->assertEquals($user->id, auth()->id());
    }

    public function test_welcome_email_is_sent(): void
    {
        Mail::fake();

        $this->post(route('register.member.store'), [
            'full_name' => 'John Doe',
            'email' => 'john@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'terms_accepted' => true,
        ]);

        Mail::assertQueued(MemberRegistrationWelcomeMail::class, function ($mail) {
            return $mail->hasTo('john@example.com');
        });
    }

    public function test_validation_fails_with_invalid_email(): void
    {
        $response = $this->post(route('register.member.store'), [
            'full_name' => 'John Doe',
            'email' => 'invalid-email',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'terms_accepted' => true,
        ]);

        $response->assertSessionHasErrors('email');
        $this->assertDatabaseCount('users', 0);
        $this->assertDatabaseCount('members', 0);
    }

    public function test_validation_fails_with_duplicate_email(): void
    {
        // Create existing user
        User::factory()->create(['email' => 'existing@example.com']);

        $response = $this->post(route('register.member.store'), [
            'full_name' => 'John Doe',
            'email' => 'existing@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'terms_accepted' => true,
        ]);

        $response->assertSessionHasErrors('email');
    }

    public function test_validation_fails_with_duplicate_email_in_members(): void
    {
        // Create existing member without user
        Member::factory()->create(['email' => 'existing@example.com', 'user_id' => null]);

        $response = $this->post(route('register.member.store'), [
            'full_name' => 'John Doe',
            'email' => 'existing@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'terms_accepted' => true,
        ]);

        $response->assertSessionHasErrors('email');
    }

    public function test_password_confirmation_required(): void
    {
        $response = $this->post(route('register.member.store'), [
            'full_name' => 'John Doe',
            'email' => 'john@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'DifferentPassword',
            'terms_accepted' => true,
        ]);

        $response->assertSessionHasErrors('password');
        $this->assertDatabaseCount('users', 0);
    }

    public function test_terms_acceptance_required(): void
    {
        $response = $this->post(route('register.member.store'), [
            'full_name' => 'John Doe',
            'email' => 'john@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'terms_accepted' => false,
        ]);

        $response->assertSessionHasErrors('terms_accepted');
        $this->assertDatabaseCount('users', 0);
    }

    public function test_registration_creates_audit_log(): void
    {
        Mail::fake();

        $this->post(route('register.member.store'), [
            'full_name' => 'John Doe',
            'email' => 'john@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'terms_accepted' => true,
        ]);

        $this->assertDatabaseHas('audit_logs', [
            'action' => 'member.self_registered',
        ]);
    }

    public function test_member_status_is_pending_after_registration(): void
    {
        Mail::fake();

        $this->post(route('register.member.store'), [
            'full_name' => 'John Doe',
            'email' => 'john@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'terms_accepted' => true,
        ]);

        $member = Member::where('email', 'john@example.com')->first();
        $this->assertEquals(Member::STATUS_PENDING, $member->membership_status);
        $this->assertEquals(Member::TYPE_REGULAR, $member->membership_type);
    }

    public function test_required_fields_validation(): void
    {
        $response = $this->post(route('register.member.store'), []);

        $response->assertSessionHasErrors(['full_name', 'email', 'password', 'terms_accepted']);
    }

    public function test_optional_fields_can_be_null(): void
    {
        Mail::fake();

        $response = $this->post(route('register.member.store'), [
            'full_name' => 'John Doe',
            'email' => 'john@example.com',
            'password' => 'Password123!',
            'password_confirmation' => 'Password123!',
            'terms_accepted' => true,
            // Optional fields omitted
        ]);

        $response->assertRedirect(route('member.dashboard'));

        $member = Member::where('email', 'john@example.com')->first();
        $this->assertNull($member->phone);
        $this->assertNull($member->address_line_1);
    }
}