import uuid
from datetime import UTC, datetime

import pytest
from httpx import ASGITransport, AsyncClient

from app.main import app


@pytest.mark.asyncio
async def test_pdf_deviz_returns_pdf(client, auth_headers):
    me = await client.get("/api/auth/me", headers=auth_headers)
    tenant_id = me.json()["tenant_id"]

    vid = str(uuid.uuid4())
    now = datetime.now(UTC).isoformat()
    await client.post(
        "/api/sync/push",
        headers=auth_headers,
        json={
            "operations": [
                {
                    "table": "vehicles",
                    "id": vid,
                    "operation": "INSERT",
                    "data": {
                        "id": vid,
                        "tenant_id": tenant_id,
                        "nr_inmatriculare": "CT99PDF",
                        "client_nume": "PDF Test",
                        "created_at": now,
                        "updated_at": now,
                    },
                    "timestamp": now,
                }
            ]
        },
    )

    r = await client.post(
        "/api/orders",
        headers=auth_headers,
        json={"vehicle_id": vid},
    )
    order_id = r.json()["id"]

    await client.post(
        f"/api/orders/{order_id}/lines",
        headers=auth_headers,
        json={
            "tip": "manopera",
            "descriere": "Diagnosticare",
            "ore": 0.5,
            "pret_ora": 100,
        },
    )

    r = await client.get(
        f"/api/orders/{order_id}/pdf/deviz",
        headers=auth_headers,
    )
    assert r.status_code == 200
    assert r.headers["content-type"] == "application/pdf"
    assert r.content[:4] == b"%PDF"


@pytest.mark.asyncio
async def test_invoice_workflow(client, auth_headers):
    me = await client.get("/api/auth/me", headers=auth_headers)
    tenant_id = me.json()["tenant_id"]

    vid = str(uuid.uuid4())
    now = datetime.now(UTC).isoformat()
    await client.post(
        "/api/sync/push",
        headers=auth_headers,
        json={
            "operations": [
                {
                    "table": "vehicles",
                    "id": vid,
                    "operation": "INSERT",
                    "data": {
                        "id": vid,
                        "tenant_id": tenant_id,
                        "nr_inmatriculare": "B01INV",
                        "client_nume": "Factura Test",
                        "created_at": now,
                        "updated_at": now,
                    },
                    "timestamp": now,
                }
            ]
        },
    )

    # Create order + line + validate
    r = await client.post(
        "/api/orders",
        headers=auth_headers,
        json={"vehicle_id": vid},
    )
    order_id = r.json()["id"]

    await client.post(
        f"/api/orders/{order_id}/lines",
        headers=auth_headers,
        json={
            "tip": "material",
            "descriere": "Filtru aer",
            "cantitate": 1,
            "pret_unitar": 80,
            "um": "buc",
        },
    )

    await client.post(
        f"/api/orders/{order_id}/validate",
        headers=auth_headers,
    )

    # Create invoice
    r = await client.post(
        "/api/invoices",
        headers=auth_headers,
        json={"order_id": order_id},
    )
    assert r.status_code == 200
    data = r.json()
    assert "id" in data
    assert "nr_factura" in data
    assert data["nr_factura"].startswith("F-")

    # Get invoice PDF
    invoice_id = data["id"]
    r = await client.get(
        f"/api/invoices/{invoice_id}/pdf",
        headers=auth_headers,
    )
    assert r.status_code == 200
    assert r.headers["content-type"] == "application/pdf"
    assert r.content[:4] == b"%PDF"