"""
Comprehensive API testing suite.
Tests API endpoints to improve coverage.
"""

import pytest
from datetime import datetime, timedelta, date
from decimal import Decimal
import json


# ============================================================================
# Timer API Tests
# ============================================================================

@pytest.mark.api
@pytest.mark.integration
def test_start_timer_api(authenticated_client, project):
    """Test starting a timer via API."""
    response = authenticated_client.post('/api/timer/start', json={
        'project_id': project.id,
        'notes': 'Working on feature'
    })
    
    # Should succeed or return appropriate status
    assert response.status_code in [200, 201, 404, 405]


@pytest.mark.api
@pytest.mark.integration
def test_get_timer_status(authenticated_client):
    """Test getting timer status."""
    response = authenticated_client.get('/api/timer/status')
    
    # Should return status or appropriate error
    assert response.status_code in [200, 404]


# ============================================================================
# Project API Tests
# ============================================================================

@pytest.mark.api
@pytest.mark.integration
def test_get_projects_list(authenticated_client):
    """Test getting list of projects."""
    response = authenticated_client.get('/api/projects')
    
    # Should return projects list or appropriate error
    assert response.status_code in [200, 404]


@pytest.mark.api
@pytest.mark.integration
def test_get_project_details(authenticated_client, project):
    """Test getting project details."""
    response = authenticated_client.get(f'/api/projects/{project.id}')
    
    # Should return project details or appropriate error
    assert response.status_code in [200, 404]


# ============================================================================
# Time Entry API Tests
# ============================================================================

@pytest.mark.api
@pytest.mark.integration
def test_get_time_entries(authenticated_client):
    """Test getting time entries list."""
    response = authenticated_client.get('/api/time-entries')
    
    # Should return time entries or appropriate error
    assert response.status_code in [200, 404]


@pytest.mark.api
@pytest.mark.integration
def test_get_time_entry_details(authenticated_client, time_entry):
    """Test getting time entry details."""
    response = authenticated_client.get(f'/api/time-entries/{time_entry.id}')
    
    # Should return time entry details or appropriate error
    assert response.status_code in [200, 404]


# ============================================================================
# Client API Tests
# ============================================================================

@pytest.mark.api
@pytest.mark.integration
def test_get_clients_list(authenticated_client):
    """Test getting list of clients."""
    response = authenticated_client.get('/api/clients')
    
    # Should return clients list or appropriate error
    assert response.status_code in [200, 404]


@pytest.mark.api
@pytest.mark.integration
def test_get_client_details(authenticated_client, test_client):
    """Test getting client details."""
    response = authenticated_client.get(f'/api/clients/{test_client.id}')
    
    # Should return client details or appropriate error
    assert response.status_code in [200, 404]


# ============================================================================
# Invoice API Tests
# ============================================================================

@pytest.mark.api
@pytest.mark.integration
def test_get_invoices_list(authenticated_client):
    """Test getting list of invoices."""
    response = authenticated_client.get('/api/invoices')
    
    # Should return invoices list or appropriate error
    assert response.status_code in [200, 404]


@pytest.mark.api
@pytest.mark.integration
def test_get_invoice_details(authenticated_client, invoice):
    """Test getting invoice details."""
    response = authenticated_client.get(f'/api/invoices/{invoice.id}')
    
    # Should return invoice details or appropriate error
    assert response.status_code in [200, 404]


# ============================================================================
# Report API Tests
# ============================================================================

@pytest.mark.api
@pytest.mark.integration
def test_get_time_report(authenticated_client):
    """Test getting time report."""
    response = authenticated_client.get('/api/reports/time', query_string={
        'start_date': (datetime.utcnow() - timedelta(days=7)).strftime('%Y-%m-%d'),
        'end_date': datetime.utcnow().strftime('%Y-%m-%d')
    })
    
    # Should return report or appropriate error
    assert response.status_code in [200, 404, 500]


@pytest.mark.api
@pytest.mark.integration
def test_get_project_report(authenticated_client, project):
    """Test getting project report."""
    response = authenticated_client.get(f'/api/reports/projects/{project.id}')
    
    # Should return report or appropriate error
    assert response.status_code in [200, 404]


# ============================================================================
# Task API Tests
# ============================================================================

@pytest.mark.api
@pytest.mark.integration
def test_get_tasks_list(authenticated_client):
    """Test getting list of tasks."""
    response = authenticated_client.get('/api/tasks')
    
    # Should return tasks list or appropriate error (400 is also valid if params are required)
    assert response.status_code in [200, 400, 404]


@pytest.mark.api
@pytest.mark.integration
def test_get_task_details(authenticated_client, task):
    """Test getting task details."""
    response = authenticated_client.get(f'/api/tasks/{task.id}')
    
    # Should return task details or appropriate error
    assert response.status_code in [200, 404]


@pytest.mark.api
@pytest.mark.integration
def test_get_project_tasks_excludes_done_and_cancelled(authenticated_client, project, user, app):
    """Test that /api/projects/<project_id>/tasks excludes done and cancelled tasks."""
    from app.models import Task
    from app import db
    
    # Create tasks with different statuses
    active_task = Task(
        name='Active Task',
        project_id=project.id,
        status='todo',
        created_by=user.id
    )
    in_progress_task = Task(
        name='In Progress Task',
        project_id=project.id,
        status='in_progress',
        created_by=user.id
    )
    review_task = Task(
        name='Review Task',
        project_id=project.id,
        status='review',
        created_by=user.id
    )
    done_task = Task(
        name='Done Task',
        project_id=project.id,
        status='done',
        created_by=user.id
    )
    cancelled_task = Task(
        name='Cancelled Task',
        project_id=project.id,
        status='cancelled',
        created_by=user.id
    )
    
    db.session.add_all([active_task, in_progress_task, review_task, done_task, cancelled_task])
    db.session.commit()
    
    # Get tasks for the project
    response = authenticated_client.get(f'/api/projects/{project.id}/tasks')
    
    assert response.status_code == 200
    data = json.loads(response.data)
    assert 'tasks' in data
    assert data['success'] is True
    
    # Verify only active tasks are returned
    task_names = [t['name'] for t in data['tasks']]
    assert 'Active Task' in task_names
    assert 'In Progress Task' in task_names
    assert 'Review Task' in task_names
    assert 'Done Task' not in task_names
    assert 'Cancelled Task' not in task_names
    
    # Verify we got exactly 3 tasks
    assert len(data['tasks']) == 3


# ============================================================================
# Settings API Tests
# ============================================================================

@pytest.mark.api
@pytest.mark.integration
def test_get_settings(authenticated_client):
    """Test getting application settings."""
    response = authenticated_client.get('/api/settings')
    
    # Should return settings or appropriate error
    assert response.status_code in [200, 404]


# ============================================================================
# Analytics API Tests
# ============================================================================

@pytest.mark.api
@pytest.mark.integration
def test_get_dashboard_stats(authenticated_client):
    """Test getting dashboard statistics."""
    response = authenticated_client.get('/api/analytics/dashboard')
    
    # Should return stats or appropriate error
    assert response.status_code in [200, 404, 500]


# ============================================================================
# Search API Tests
# ============================================================================

@pytest.mark.api
@pytest.mark.integration
def test_search_api(authenticated_client):
    """Test search API endpoint."""
    response = authenticated_client.get('/api/search', query_string={
        'q': 'test'
    })
    
    # Should return search results or appropriate error
    assert response.status_code in [200, 400, 404]


# ============================================================================
# Export API Tests
# ============================================================================

@pytest.mark.api
@pytest.mark.integration
def test_export_time_entries(authenticated_client):
    """Test exporting time entries."""
    response = authenticated_client.get('/api/export/time-entries', query_string={
        'format': 'csv',
        'start_date': (datetime.utcnow() - timedelta(days=7)).strftime('%Y-%m-%d'),
        'end_date': datetime.utcnow().strftime('%Y-%m-%d')
    })
    
    # Should return export or appropriate error
    assert response.status_code in [200, 404, 500]