"""
Tests for routes and form submissions in the Flask job application system.
"""
import pytest
from flask import session
from app.models import load_application_data


class TestPage1Email:
    """Tests for Page 1: Email capture."""

    def test_page1_loads(self, client):
        """Test that page 1 loads successfully."""
        response = client.get('/apply?job=TestJob')
        assert response.status_code == 200
        assert b'Bewerbung' in response.data
        assert b'TestJob' in response.data

    def test_page1_default_job_name(self, client):
        """Test page 1 with no job parameter."""
        response = client.get('/apply')
        assert response.status_code == 200
        assert b'Offene Position' in response.data

    def test_submit_valid_email(self, client, app):
        """Test submitting a valid email address."""
        with app.app_context():
            response = client.post('/apply/submit-email', data={
                'email': 'test@example.com',
                'job_name': 'Software Developer'
            }, follow_redirects=False)

            assert response.status_code == 302  # Redirect
            assert b'/apply/' in response.data  # Redirects to page 2

    def test_submit_invalid_email(self, client):
        """Test submitting an invalid email address."""
        response = client.post('/apply/submit-email', data={
            'email': 'invalid-email',
            'job_name': 'Test Job'
        }, follow_redirects=True)

        assert b'E-Mail' in response.data or b'email' in response.data


class TestPage2Personal:
    """Tests for Page 2: Personal information."""

    def test_page2_loads(self, client, create_test_application):
        """Test that page 2 loads successfully."""
        session_id = 'test-page2-123'
        create_test_application(session_id=session_id)

        response = client.get(f'/apply/{session_id}/personal')
        assert response.status_code == 200
        assert b'Pers' in response.data or b'Name' in response.data

    def test_page2_nonexistent_session(self, client):
        """Test page 2 with non-existent session."""
        response = client.get('/apply/nonexistent/personal', follow_redirects=True)
        assert response.status_code == 200
        # Should redirect to page 1

    def test_submit_valid_personal_info(self, client, create_test_application):
        """Test submitting valid personal information."""
        session_id = 'test-personal-valid'
        create_test_application(session_id=session_id, current_page=2)

        response = client.post(f'/apply/{session_id}/submit-personal', data={
            'name': 'Müller',
            'firstname': 'Anna',
            'address': 'Hauptstrasse 123',
            'zip_code': '8001',
            'city': 'Zürich',
            'phone': '+41 79 123 45 67',
            'birth_year': '1990',
            'civil_status': 'ledig'
        }, follow_redirects=False)

        assert response.status_code == 302  # Redirect to page 3
        assert b'/motivation' in response.data

    def test_submit_missing_required_fields(self, client, create_test_application):
        """Test submitting personal info with missing required fields."""
        session_id = 'test-personal-missing'
        create_test_application(session_id=session_id, current_page=2)

        response = client.post(f'/apply/{session_id}/submit-personal', data={
            'name': 'Test',
            # Missing firstname, address, etc.
        }, follow_redirects=True)

        assert response.status_code == 200
        # Should show error messages

    def test_submit_invalid_phone(self, client, create_test_application):
        """Test submitting with invalid phone number."""
        session_id = 'test-personal-phone'
        create_test_application(session_id=session_id, current_page=2)

        response = client.post(f'/apply/{session_id}/submit-personal', data={
            'name': 'Test',
            'firstname': 'User',
            'address': 'Street 1',
            'zip_code': '12345',
            'city': 'City',
            'phone': '123456789',  # Missing + prefix
            'birth_year': '1990'
        }, follow_redirects=True)

        assert response.status_code == 200


class TestPage3Motivation:
    """Tests for Page 3: Motivation questions."""

    def test_page3_loads(self, client, create_test_application):
        """Test that page 3 loads successfully."""
        session_id = 'test-page3-123'
        create_test_application(session_id=session_id, current_page=3)

        response = client.get(f'/apply/{session_id}/motivation')
        assert response.status_code == 200
        assert b'Motivation' in response.data or b'berufliche' in response.data

    def test_submit_valid_motivation(self, client, create_test_application):
        """Test submitting valid motivation answers."""
        session_id = 'test-motivation-valid'
        create_test_application(session_id=session_id, current_page=3)

        response = client.post(f'/apply/{session_id}/submit-motivation', data={
            'current_job': 'Software Entwickler',
            'motivation': 'Ich möchte in einem innovativen Team arbeiten',
            'qualifications': 'Python, Flask, 5 Jahre Erfahrung',
            'salary': '80000 CHF'
        }, follow_redirects=False)

        assert response.status_code == 302
        assert b'/upload' in response.data

    def test_submit_empty_motivation(self, client, create_test_application):
        """Test submitting empty motivation (all optional)."""
        session_id = 'test-motivation-empty'
        create_test_application(session_id=session_id, current_page=3)

        response = client.post(f'/apply/{session_id}/submit-motivation', data={
            'current_job': '',
            'motivation': '',
            'qualifications': '',
            'salary': ''
        }, follow_redirects=False)

        assert response.status_code == 302  # Should still work

    def test_submit_too_long_text(self, client, create_test_application):
        """Test submitting text that exceeds the character limit."""
        session_id = 'test-motivation-long'
        create_test_application(session_id=session_id, current_page=3)

        long_text = 'x' * 3001  # Exceeds 3000 character limit

        response = client.post(f'/apply/{session_id}/submit-motivation', data={
            'current_job': long_text,
            'motivation': '',
            'qualifications': '',
            'salary': ''
        }, follow_redirects=True)

        assert response.status_code == 200
        # Should show error about character limit


class TestPage4Upload:
    """Tests for Page 4: File upload."""

    def test_page4_loads(self, client, create_test_application):
        """Test that page 4 loads successfully."""
        session_id = 'test-page4-123'
        create_test_application(session_id=session_id, current_page=4)

        response = client.get(f'/apply/{session_id}/upload')
        assert response.status_code == 200
        assert b'Dokument' in response.data or b'hochladen' in response.data

    def test_submit_application(self, client, create_test_application):
        """Test submitting the final application."""
        session_id = 'test-submit-app'
        create_test_application(session_id=session_id, current_page=4)

        response = client.post(f'/apply/{session_id}/submit-application', follow_redirects=False)

        assert response.status_code == 302
        assert b'/confirmation' in response.data


class TestPage5Confirmation:
    """Tests for Page 5: Confirmation."""

    def test_page5_loads(self, client, create_test_application):
        """Test that confirmation page loads successfully."""
        session_id = 'test-page5-123'
        create_test_application(session_id=session_id, current_page=5, email='test@example.com')

        response = client.get(f'/apply/{session_id}/confirmation')
        assert response.status_code == 200
        assert b'Vielen Dank' in response.data or b'erfolgreich' in response.data


class TestResumeFunction:
    """Tests for resume functionality."""

    def test_resume_redirects_to_correct_page(self, client, create_test_application):
        """Test that resume redirects to the correct page based on current_page."""
        # Test redirect to page 2
        session_id = 'test-resume-page2'
        create_test_application(session_id=session_id, current_page=2)
        response = client.get(f'/resume/{session_id}', follow_redirects=False)
        assert response.status_code == 302
        assert b'/personal' in response.data

        # Test redirect to page 3
        session_id = 'test-resume-page3'
        create_test_application(session_id=session_id, current_page=3)
        response = client.get(f'/resume/{session_id}', follow_redirects=False)
        assert response.status_code == 302
        assert b'/motivation' in response.data

        # Test redirect to page 4
        session_id = 'test-resume-page4'
        create_test_application(session_id=session_id, current_page=4)
        response = client.get(f'/resume/{session_id}', follow_redirects=False)
        assert response.status_code == 302
        assert b'/upload' in response.data

    def test_resume_nonexistent_session(self, client):
        """Test resuming with non-existent session ID."""
        response = client.get('/resume/nonexistent-session', follow_redirects=True)
        assert response.status_code == 200


class TestIndexRoute:
    """Tests for index route."""

    def test_index_redirects_to_apply(self, client):
        """Test that index redirects to the apply page."""
        response = client.get('/', follow_redirects=False)
        assert response.status_code == 302
        assert b'/apply' in response.data