"""
Integration test for custom task status DELETE endpoint
Tests the complete workflow with real database operations
"""

import requests
import json

BASE_URL = "http://localhost:8000"

def login():
    """Login and get access token"""
    response = requests.post(
        f"{BASE_URL}/auth/login",
        json={"email": "admin@vfx.com", "password": "admin123"}
    )
    return response.json()["access_token"] if response.status_code == 200 else None

def headers(token):
    return {"Authorization": f"Bearer {token}"}

def test_complete_workflow():
    """Test complete workflow: create, use, delete with reassignment"""
    print("\n" + "="*60)
    print("INTEGRATION TEST: Complete Custom Status Delete Workflow")
    print("="*60)
    
    token = login()
    if not token:
        print("❌ Login failed")
        return False
    
    # Get project
    projects = requests.get(f"{BASE_URL}/projects/", headers=headers(token)).json()
    project_id = projects[0]["id"]
    print(f"\n✓ Using project ID: {project_id}")
    
    # Step 1: Create two custom statuses with unique names
    print("\n--- Step 1: Create two custom statuses ---")
    import time
    timestamp = int(time.time())
    
    status1_response = requests.post(
        f"{BASE_URL}/projects/{project_id}/task-statuses",
        headers=headers(token),
        json={"name": f"IntTest1_{timestamp}", "color": "#FF0000"}
    )
    
    if status1_response.status_code != 201:
        print(f"❌ Failed to create status 1: {status1_response.text}")
        return False
    
    status1 = status1_response.json()["status"]
    
    status2_response = requests.post(
        f"{BASE_URL}/projects/{project_id}/task-statuses",
        headers=headers(token),
        json={"name": f"IntTest2_{timestamp}", "color": "#00FF00"}
    )
    
    if status2_response.status_code != 201:
        print(f"❌ Failed to create status 2: {status2_response.text}")
        return False
    
    status2 = status2_response.json()["status"]
    
    print(f"✓ Created status 1: {status1['name']} (ID: {status1['id']})")
    print(f"✓ Created status 2: {status2['name']} (ID: {status2['id']})")
    
    # Step 2: Set status1 as default
    print("\n--- Step 2: Set status 1 as default ---")
    requests.put(
        f"{BASE_URL}/projects/{project_id}/task-statuses/{status1['id']}",
        headers=headers(token),
        json={"is_default": True}
    )
    print(f"✓ Set '{status1['name']}' as default")
    
    # Step 3: Get an existing task and update its status
    print("\n--- Step 3: Update existing task to status 1 ---")
    
    # Get tasks for the project
    tasks_response = requests.get(
        f"{BASE_URL}/tasks/?project_id={project_id}",
        headers=headers(token)
    )
    
    if tasks_response.status_code != 200:
        print(f"❌ Failed to get tasks: {tasks_response.text}")
        return False
    
    tasks = tasks_response.json()
    
    if not tasks:
        print("❌ No tasks found in project")
        return False
    
    task = tasks[0]
    task_id = task['id']
    
    # Update task status to status1
    update_response = requests.put(
        f"{BASE_URL}/tasks/{task_id}/status",
        headers=headers(token),
        json={"status": status1['id']}
    )
    
    if update_response.status_code != 200:
        print(f"❌ Failed to update task status: {update_response.text}")
        return False
    
    print(f"✓ Updated task ID: {task_id} to status '{status1['name']}'")
    
    # Step 4: Try to delete status1 without reassignment (should fail)
    print("\n--- Step 4: Try to delete status 1 without reassignment ---")
    delete_response = requests.delete(
        f"{BASE_URL}/projects/{project_id}/task-statuses/{status1['id']}",
        headers=headers(token)
    )
    
    if delete_response.status_code == 422:
        error = delete_response.json()["detail"]
        print(f"✓ Expected error received:")
        print(f"  - Task count: {error['task_count']}")
        print(f"  - Task IDs: {error['task_ids']}")
    else:
        print(f"❌ Unexpected response: {delete_response.status_code}")
        return False
    
    # Step 5: Delete status1 with reassignment to status2
    print("\n--- Step 5: Delete status 1 with reassignment to status 2 ---")
    delete_response = requests.delete(
        f"{BASE_URL}/projects/{project_id}/task-statuses/{status1['id']}?reassign_to_status_id={status2['id']}",
        headers=headers(token)
    )
    
    if delete_response.status_code == 200:
        result = delete_response.json()
        print(f"✓ {result['message']}")
        print(f"✓ New default status: {result['all_statuses']['default_status_id']}")
    else:
        print(f"❌ Delete failed: {delete_response.status_code}")
        print(delete_response.text)
        return False
    
    # Step 6: Verify task was reassigned
    print("\n--- Step 6: Verify task was reassigned ---")
    updated_task = requests.get(
        f"{BASE_URL}/tasks/{task_id}",
        headers=headers(token)
    ).json()
    
    if updated_task['status'] == status2['id']:
        print(f"✓ Task status updated to '{status2['name']}'")
    else:
        print(f"❌ Task status not updated correctly: {updated_task['status']}")
        return False
    
    # Step 7: Verify status1 no longer exists
    print("\n--- Step 7: Verify status 1 no longer exists ---")
    all_statuses = requests.get(
        f"{BASE_URL}/projects/{project_id}/task-statuses",
        headers=headers(token)
    ).json()
    
    status1_exists = any(s['id'] == status1['id'] for s in all_statuses['statuses'])
    status2_exists = any(s['id'] == status2['id'] for s in all_statuses['statuses'])
    
    if not status1_exists and status2_exists:
        print(f"✓ Status 1 deleted successfully")
        print(f"✓ Status 2 still exists")
    else:
        print(f"❌ Status verification failed")
        return False
    
    # Step 8: Verify new default was assigned
    print("\n--- Step 8: Verify new default was assigned ---")
    if all_statuses['default_status_id'] == status2['id']:
        print(f"✓ Status 2 is now the default (auto-assigned)")
    else:
        print(f"⚠ Default status: {all_statuses['default_status_id']}")
    
    # Cleanup: Reset task status and delete status2
    print("\n--- Cleanup ---")
    requests.put(
        f"{BASE_URL}/tasks/{task_id}/status",
        headers=headers(token),
        json={"status": "not_started"}
    )
    print(f"✓ Reset task status to 'not_started'")
    
    # Note: We can't delete status2 if it's the last one, so we'll leave it
    
    print("\n" + "="*60)
    print("✅ ALL INTEGRATION TESTS PASSED")
    print("="*60)
    return True

if __name__ == "__main__":
    success = test_complete_workflow()
    exit(0 if success else 1)