/**
 * Descomplicar® Crescimento Digital
 * https://descomplicar.pt
 */

<?php
/**
 * Contract test for wp_ajax_care_booking_get_restrictions endpoint
 *
 * @package CareBookingBlock
 */

/**
 * Test AJAX endpoint: wp_ajax_care_booking_get_restrictions
 */
class Test_Ajax_Get_Restrictions extends Care_Booking_Test_Case
{

    /**
     * Test AJAX handler is registered
     */
    public function test_ajax_handler_registered()
    {
        $this->assertTrue(has_action('wp_ajax_care_booking_get_restrictions'), 'AJAX handler should be registered');
        $this->assertFalse(has_action('wp_ajax_nopriv_care_booking_get_restrictions'), 'Non-privileged AJAX should not be registered');
    }

    /**
     * Test successful request returns correct structure
     */
    public function test_successful_request_structure()
    {
        // Set up admin user
        $this->set_current_user($this->admin_user_id);
        
        // Create test restrictions
        $this->create_test_doctor_restriction(999, true);
        $this->create_test_service_restriction(888, 999, false);
        
        // Mock AJAX request
        $_POST = [
            'action' => 'care_booking_get_restrictions',
            'nonce' => $this->mock_wp_nonce('care_booking_get_restrictions'),
            'restriction_type' => 'all'
        ];
        
        // Capture AJAX response
        ob_start();
        try {
            do_action('wp_ajax_care_booking_get_restrictions');
        } catch (WPAjaxDieStopException $e) {
            // Expected for wp_die() in AJAX handlers
        }
        $response = ob_get_clean();
        
        $data = json_decode($response, true);
        
        // Test response structure according to contract
        $this->assert_ajax_response($data, true);
        
        $this->assertArrayHasKey('restrictions', $data['data']);
        $this->assertArrayHasKey('total', $data['data']);
        $this->assertIsArray($data['data']['restrictions']);
        $this->assertIsInt($data['data']['total']);
        
        // Test restriction object structure
        $this->assertGreaterThan(0, count($data['data']['restrictions']));
        $restriction = $data['data']['restrictions'][0];
        
        $this->assertArrayHasKey('id', $restriction);
        $this->assertArrayHasKey('restriction_type', $restriction);
        $this->assertArrayHasKey('target_id', $restriction);
        $this->assertArrayHasKey('doctor_id', $restriction);
        $this->assertArrayHasKey('is_blocked', $restriction);
        $this->assertArrayHasKey('created_at', $restriction);
        $this->assertArrayHasKey('updated_at', $restriction);
    }

    /**
     * Test filter by restriction type
     */
    public function test_filter_by_restriction_type()
    {
        $this->set_current_user($this->admin_user_id);
        
        // Create different types
        $this->create_test_doctor_restriction(999, true);
        $this->create_test_service_restriction(888, 999, true);
        
        // Test filter by doctor
        $_POST = [
            'action' => 'care_booking_get_restrictions',
            'nonce' => $this->mock_wp_nonce('care_booking_get_restrictions'),
            'restriction_type' => 'doctor'
        ];
        
        ob_start();
        try {
            do_action('wp_ajax_care_booking_get_restrictions');
        } catch (WPAjaxDieStopException $e) {}
        $response = ob_get_clean();
        
        $data = json_decode($response, true);
        $this->assert_ajax_response($data, true);
        
        // Should only return doctor restrictions
        foreach ($data['data']['restrictions'] as $restriction) {
            $this->assertEquals('doctor', $restriction['restriction_type']);
        }
        
        // Test filter by service
        $_POST['restriction_type'] = 'service';
        
        ob_start();
        try {
            do_action('wp_ajax_care_booking_get_restrictions');
        } catch (WPAjaxDieStopException $e) {}
        $response = ob_get_clean();
        
        $data = json_decode($response, true);
        $this->assert_ajax_response($data, true);
        
        // Should only return service restrictions
        foreach ($data['data']['restrictions'] as $restriction) {
            $this->assertEquals('service', $restriction['restriction_type']);
        }
    }

    /**
     * Test filter by doctor for service restrictions
     */
    public function test_filter_services_by_doctor()
    {
        $this->set_current_user($this->admin_user_id);
        
        // Create service restrictions for different doctors
        $this->create_test_service_restriction(888, 999, true);
        $this->create_test_service_restriction(887, 998, true);
        
        $_POST = [
            'action' => 'care_booking_get_restrictions',
            'nonce' => $this->mock_wp_nonce('care_booking_get_restrictions'),
            'restriction_type' => 'service',
            'doctor_id' => 999
        ];
        
        ob_start();
        try {
            do_action('wp_ajax_care_booking_get_restrictions');
        } catch (WPAjaxDieStopException $e) {}
        $response = ob_get_clean();
        
        $data = json_decode($response, true);
        $this->assert_ajax_response($data, true);
        
        // Should only return services for doctor 999
        foreach ($data['data']['restrictions'] as $restriction) {
            $this->assertEquals('service', $restriction['restriction_type']);
            $this->assertEquals(999, $restriction['doctor_id']);
        }
    }

    /**
     * Test invalid nonce returns error
     */
    public function test_invalid_nonce_error()
    {
        $this->set_current_user($this->admin_user_id);
        
        $_POST = [
            'action' => 'care_booking_get_restrictions',
            'nonce' => 'invalid_nonce',
            'restriction_type' => 'all'
        ];
        
        ob_start();
        try {
            do_action('wp_ajax_care_booking_get_restrictions');
        } catch (WPAjaxDieStopException $e) {}
        $response = ob_get_clean();
        
        $data = json_decode($response, true);
        $this->assert_ajax_response($data, false);
        $this->assertEquals('Invalid nonce', $data['data']['message']);
    }

    /**
     * Test insufficient permissions returns error
     */
    public function test_insufficient_permissions_error()
    {
        // Create subscriber user (no manage_options capability)
        $subscriber_id = $this->factory->user->create(['role' => 'subscriber']);
        $this->set_current_user($subscriber_id);
        
        $_POST = [
            'action' => 'care_booking_get_restrictions',
            'nonce' => $this->mock_wp_nonce('care_booking_get_restrictions'),
            'restriction_type' => 'all'
        ];
        
        ob_start();
        try {
            do_action('wp_ajax_care_booking_get_restrictions');
        } catch (WPAjaxDieStopException $e) {}
        $response = ob_get_clean();
        
        $data = json_decode($response, true);
        $this->assert_ajax_response($data, false);
        $this->assertEquals('Insufficient permissions', $data['data']['message']);
    }

    /**
     * Test invalid parameters return error
     */
    public function test_invalid_parameters_error()
    {
        $this->set_current_user($this->admin_user_id);
        
        $_POST = [
            'action' => 'care_booking_get_restrictions',
            'nonce' => $this->mock_wp_nonce('care_booking_get_restrictions'),
            'restriction_type' => 'invalid_type'
        ];
        
        ob_start();
        try {
            do_action('wp_ajax_care_booking_get_restrictions');
        } catch (WPAjaxDieStopException $e) {}
        $response = ob_get_clean();
        
        $data = json_decode($response, true);
        $this->assert_ajax_response($data, false);
        $this->assertEquals('Invalid parameters', $data['data']['message']);
    }

    /**
     * Test empty results return correct structure
     */
    public function test_empty_results()
    {
        $this->set_current_user($this->admin_user_id);
        
        $_POST = [
            'action' => 'care_booking_get_restrictions',
            'nonce' => $this->mock_wp_nonce('care_booking_get_restrictions'),
            'restriction_type' => 'all'
        ];
        
        ob_start();
        try {
            do_action('wp_ajax_care_booking_get_restrictions');
        } catch (WPAjaxDieStopException $e) {}
        $response = ob_get_clean();
        
        $data = json_decode($response, true);
        $this->assert_ajax_response($data, true);
        
        $this->assertIsArray($data['data']['restrictions']);
        $this->assertEmpty($data['data']['restrictions']);
        $this->assertEquals(0, $data['data']['total']);
    }

    /**
     * Test response time performance requirement
     */
    public function test_response_time_performance()
    {
        $this->set_current_user($this->admin_user_id);
        
        // Create test data
        for ($i = 1; $i <= 50; $i++) {
            $this->create_test_doctor_restriction(900 + $i, $i % 2 === 0);
        }
        
        $_POST = [
            'action' => 'care_booking_get_restrictions',
            'nonce' => $this->mock_wp_nonce('care_booking_get_restrictions'),
            'restriction_type' => 'all'
        ];
        
        $start_time = microtime(true);
        
        ob_start();
        try {
            do_action('wp_ajax_care_booking_get_restrictions');
        } catch (WPAjaxDieStopException $e) {}
        $response = ob_get_clean();
        
        $end_time = microtime(true);
        $response_time = ($end_time - $start_time) * 1000; // Convert to milliseconds
        
        $this->assertLessThan(200, $response_time, 'Response time should be under 200ms according to contract');
        
        $data = json_decode($response, true);
        $this->assert_ajax_response($data, true);
        $this->assertEquals(50, $data['data']['total']);
    }

    /**
     * Test JSON response format compliance
     */
    public function test_json_response_format()
    {
        $this->set_current_user($this->admin_user_id);
        
        $_POST = [
            'action' => 'care_booking_get_restrictions',
            'nonce' => $this->mock_wp_nonce('care_booking_get_restrictions'),
            'restriction_type' => 'all'
        ];
        
        ob_start();
        try {
            do_action('wp_ajax_care_booking_get_restrictions');
        } catch (WPAjaxDieStopException $e) {}
        $response = ob_get_clean();
        
        // Test valid JSON
        $data = json_decode($response, true);
        $this->assertNotNull($data, 'Response should be valid JSON');
        $this->assertEquals(JSON_ERROR_NONE, json_last_error(), 'JSON should be valid');
        
        // Test WordPress AJAX standard format
        $this->assertArrayHasKey('success', $data);
        $this->assertArrayHasKey('data', $data);
        $this->assertIsBool($data['success']);
    }

    /**
     * Test database error handling
     */
    public function test_database_error_handling()
    {
        $this->set_current_user($this->admin_user_id);
        
        // Mock database error by temporarily corrupting table name
        global $wpdb;
        $original_prefix = $wpdb->prefix;
        $wpdb->prefix = 'invalid_prefix_';
        
        $_POST = [
            'action' => 'care_booking_get_restrictions',
            'nonce' => $this->mock_wp_nonce('care_booking_get_restrictions'),
            'restriction_type' => 'all'
        ];
        
        ob_start();
        try {
            do_action('wp_ajax_care_booking_get_restrictions');
        } catch (WPAjaxDieStopException $e) {}
        $response = ob_get_clean();
        
        // Restore database prefix
        $wpdb->prefix = $original_prefix;
        
        $data = json_decode($response, true);
        $this->assert_ajax_response($data, false);
        $this->assertContains('Database error', $data['data']['message']);
    }
}