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_full_sync_returns_all_tables(client, auth_headers):
    r = await client.get("/api/sync/full", headers=auth_headers)
    assert r.status_code == 200
    data = r.json()
    assert "tables" in data and "synced_at" in data
    assert "vehicles" in data["tables"]
    assert "catalog_marci" in data["tables"]
    assert "orders" in data["tables"]
    assert "mecanici" in data["tables"]


@pytest.mark.asyncio
async def test_sync_push_insert_vehicle(client, auth_headers):
    # Get tenant_id from /me
    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()
    r = 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": "CTA01ABC",
                        "client_nume": "Popescu",
                        "created_at": now,
                        "updated_at": now,
                    },
                    "timestamp": now,
                }
            ]
        },
    )
    assert r.status_code == 200
    assert r.json()["applied"] == 1

    # Verify via full sync
    full = await client.get("/api/sync/full", headers=auth_headers)
    vehicles = full.json()["tables"]["vehicles"]
    assert len(vehicles) == 1
    assert vehicles[0]["nr_inmatriculare"] == "CTA01ABC"


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

    before = datetime.now(UTC).isoformat()

    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": "B99XYZ",
                        "created_at": now,
                        "updated_at": now,
                    },
                    "timestamp": now,
                }
            ]
        },
    )

    r = await client.get(
        f"/api/sync/changes?since={before}", headers=auth_headers
    )
    assert r.status_code == 200
    data = r.json()
    assert "vehicles" in data["tables"]


@pytest.mark.asyncio
async def test_sync_push_rejects_wrong_tenant(client, auth_headers):
    now = datetime.now(UTC).isoformat()
    vid = str(uuid.uuid4())
    r = await client.post(
        "/api/sync/push",
        headers=auth_headers,
        json={
            "operations": [
                {
                    "table": "vehicles",
                    "id": vid,
                    "operation": "INSERT",
                    "data": {
                        "id": vid,
                        "tenant_id": "wrong-tenant-id",
                        "nr_inmatriculare": "HACK",
                        "created_at": now,
                        "updated_at": now,
                    },
                    "timestamp": now,
                }
            ]
        },
    )
    assert r.status_code == 200
    # Wrong tenant_id is rejected (skipped)
    assert r.json()["applied"] == 0