from test_main import *
from PIL import Image
import io

def create_test_image():
    img = Image.new('RGB', (100, 100), color='red')
    img_byte_arr = io.BytesIO()
    img.save(img_byte_arr, format='JPEG')
    img_byte_arr.seek(0)
    return img_byte_arr

def add_test_image(token):
    test_image = create_test_image()
    response = client.post(
        "/image/pin/null/add",
        files={"image": ("test.jpg", test_image, "image/jpeg")},
        data={"exif_date": "2024-03-20T12:00:00", "caption": "Test caption"},
        headers={"Authorization": f"Bearer {token}"}
    )
    return response.json()["id"]

def create_test_pin(token, user_id, image_id=None):
    if image_id is None:
        image_id = add_test_image(token)
    
    response = client.post(
        "/pin/add", 
        json={
            "title": "Test Pin", 
            "description": "Test Description", 
            "location": [0,0], 
            "files": [image_id], 
            "user_id": user_id
        }, 
        headers={"Authorization": f"Bearer {token}"}
    )
    return response.json()["id"]

def test_add_pin(token, user_id):
    image_id = add_test_image(token)
    pin_id = create_test_pin(token, user_id, image_id)
    assert pin_id is not None

def test_add_pin_invalid_files_format(token, user_id):
    response = client.post(
        "/pin/add", 
        json={
            "title": "Test Pin", 
            "description": "Test Description", 
            "location": [0,0], 
            "files": ["abc"], 
            "user_id": user_id
        }, 
        headers={"Authorization": f"Bearer {token}"}
    )
    assert response.status_code == 422
    assert "Invalid image ID format" in response.json()["detail"][0]["msg"]

def test_list_pins(token):
    response = client.get("/pins", headers={"Authorization": f"Bearer {token}"})
    assert response.status_code == 200
    data = response.json()
    assert isinstance(data, list)

def test_get_pin(token, user_id):
    image_id = add_test_image(token)
    pin_id = create_test_pin(token, user_id, image_id)
    
    response = client.get(
        f"/pin/{pin_id}", 
        headers={"Authorization": f"Bearer {token}"}
    )
    assert response.status_code == 200
    data = response.json()
    assert data["title"] == "Test Pin"
    assert data["description"] == "Test Description"
    assert data["location"] == [0,0]
    assert image_id in data["files"]

def test_get_pin_wrong_format(token):
    response = client.get(f"/pin/randomIdThatDoesntExists", headers={"Authorization": f"Bearer {token}"})
    assert response.status_code == 422

def test_get_pin_unknown_id(token):
    response = client.get(f"/pin/123456789987654321abcdef", headers={"Authorization": f"Bearer {token}"})
    assert response.status_code == 404

def test_update_pin(token, user_id):
    image_id = add_test_image(token)
    pin_id = create_test_pin(token, user_id, image_id)
    
    response = client.patch(
        f"/pin/{pin_id}", 
        json={
            "title": "Updated Pin", 
            "description": "Updated Description", 
            "location": [1,1], 
            "files": [image_id],
            "user_id": user_id
        }, 
        headers={"Authorization": f"Bearer {token}"}
    )
    assert response.status_code == 200
    
    get_response = client.get(
        f"/pin/{pin_id}", 
        headers={"Authorization": f"Bearer {token}"}
    )
    data = get_response.json()
    assert data["title"] == "Updated Pin"
    assert data["description"] == "Updated Description"
    assert data["location"] == [1,1]
    assert image_id in data["files"]

def test_update_wrong_format(token):
    response = client.get(f"/pin/randomIdThatDoesntExists", headers={"Authorization": f"Bearer {token}"})
    assert response.status_code == 422

def test_update_wrong_unknown_id(token):
    response = client.get(f"/pin/123456789987654321abcdef", headers={"Authorization": f"Bearer {token}"})
    assert response.status_code == 404

def test_delete_pin(token, user_id):
    image_id = add_test_image(token)
    pin_id = create_test_pin(token, user_id, image_id)
    
    response = client.delete(
        f"/pin/{pin_id}", 
        headers={"Authorization": f"Bearer {token}"}
    )
    assert response.status_code == 200
    
    get_response = client.get(
        f"/pin/{pin_id}", 
        headers={"Authorization": f"Bearer {token}"}
    )
    assert get_response.status_code == 404