import pytest
from httpx import AsyncClient
import uuid

@pytest.mark.asyncio
async def test_create_masterdata(client: AsyncClient):
    payload = {
        "name": "Test Master Data",
        "description": "Test Description",
        "unit_of_measurement": "unit",
        "value_num": 100.0,
        "value_str": "100",
        "seq": 1
    }
    response = await client.post("/masterdata", json=payload)
    assert response.status_code == 200
    data = response.json()
    assert data["message"] == "Data created successfully"
    assert data["data"]["name"] == "Test Master Data"
    assert "id" in data["data"]
    return data["data"]["id"]

@pytest.mark.asyncio
async def test_get_masterdatas(client: AsyncClient):
    # First create one
    await client.post("/masterdata", json={
        "name": "Data 1",
        "description": "Desc 1",
        "unit_of_measurement": "u",
        "value_num": 1.0,
        "seq": 1
    })
    
    response = await client.get("/masterdata")
    assert response.status_code == 200
    data = response.json()
    assert data["message"] == "Data retrieved successfully"
    assert len(data["data"]["items"]) >= 1

@pytest.mark.asyncio
async def test_get_masterdata_by_id(client: AsyncClient):
    # Create one
    create_resp = await client.post("/masterdata", json={
        "name": "Data By ID",
        "description": "Desc",
        "unit_of_measurement": "u",
        "value_num": 2.0,
        "seq": 2
    })
    masterdata_id = create_resp.json()["data"]["id"]
    
    response = await client.get(f"/masterdata/{masterdata_id}")
    assert response.status_code == 200
    assert response.json()["data"]["name"] == "Data By ID"

@pytest.mark.asyncio
async def test_update_masterdata(client: AsyncClient):
    # Create one
    create_resp = await client.post("/masterdata", json={
        "name": "Old Name",
        "description": "Desc",
        "unit_of_measurement": "u",
        "value_num": 3.0,
        "seq": 3
    })
    masterdata_id = create_resp.json()["data"]["id"]
    
    # Update it
    update_payload = {
        "name": "New Name",
        "value_num": 4.0
    }
    response = await client.post(f"/masterdata/update/{masterdata_id}", json=update_payload)
    assert response.status_code == 200
    assert response.json()["data"]["name"] == "New Name"
    assert response.json()["data"]["value_num"] == 4.0

@pytest.mark.asyncio
async def test_delete_masterdata(client: AsyncClient):
    # Create one
    create_resp = await client.post("/masterdata", json={
        "name": "To Be Deleted",
        "description": "Desc",
        "unit_of_measurement": "u",
        "value_num": 5.0,
        "seq": 5
    })
    masterdata_id = create_resp.json()["data"]["id"]
    
    # Delete it
    response = await client.post(f"/masterdata/delete/{masterdata_id}")
    assert response.status_code == 200
    assert response.json()["message"] == "Data deleted successfully"
    
    # Verify it's gone
    get_resp = await client.get(f"/masterdata/{masterdata_id}")
    assert get_resp.status_code == 404