from __future__ import annotations

from typing import Any

import pytest
from pydantic import BaseModel

from sync_state_machine.common.collection import DataCollection
from sync_state_machine.common.sync_node import SyncNode
from sync_state_machine.domain.material_detail.api_handler import MaterialDetailApiHandler
from sync_state_machine.domain.project.api_handler import ProjectApiHandler
from sync_state_machine.datasource.task_result import TaskStatus


class _MaterialDetailSchema(BaseModel):
    id: str
    project_id: str | None = None
    parent_id: str
    date: str | None = None
    quantity: float
    remark: str | None = None
    is_complete: bool | None = None


class _MaterialDetailNode(SyncNode[_MaterialDetailSchema]):
    node_type = "material_detail"
    schema = _MaterialDetailSchema


class _ProjectSchema(BaseModel):
    id: str


class _ProjectNode(SyncNode[_ProjectSchema]):
    node_type = "project"
    schema = _ProjectSchema


class _MockApiClient:
    def __init__(self) -> None:
        self.requests: list[dict[str, Any]] = []

    async def request(self, method: str, endpoint: str, **kwargs: Any) -> dict[str, Any]:
        self.requests.append({"method": method, "endpoint": endpoint, **kwargs})
        return {"code": 200, "message": "OK", "data": {"biz_id": kwargs.get("data", {}).get("biz_id")}}


class _FailingApiClient(_MockApiClient):
    async def request(self, method: str, endpoint: str, **kwargs: Any) -> dict[str, Any]:
        self.requests.append({"method": method, "endpoint": endpoint, **kwargs})
        raise Exception("API error: failed request")


@pytest.mark.asyncio
async def test_material_detail_update_returns_in_progress_with_shared_push_id() -> None:
    handler = MaterialDetailApiHandler()
    handler.api_client = _MockApiClient()

    node = _MaterialDetailNode(
        node_id="detail-node-1",
        data_id="detail-1",
        data={
            "id": "detail-1",
            "parent_id": "material-1",
            "quantity": 10.0,
            "remark": "new",
        },
        origin_data={
            "id": "detail-1",
            "parent_id": "material-1",
            "quantity": 5.0,
            "remark": None,
        },
        context={"material_id": "material-1"},
    )

    results = await handler.update_all([node])

    assert len(results) == 1
    assert results[0].status == TaskStatus.IN_PROGRESS
    assert results[0].task_id
    assert handler.api_client.requests[0]["endpoint"] == "/material/detail/update"


@pytest.mark.asyncio
async def test_material_detail_create_failure_preserves_push_id_for_trace_lookup() -> None:
    handler = MaterialDetailApiHandler()
    handler.api_client = _FailingApiClient()

    node = _MaterialDetailNode(
        node_id="detail-node-create-1",
        data_id="",
        data={
            "id": "runtime-detail-1",
            "project_id": "project-1",
            "parent_id": "material-1",
            "date": "2025-03-01",
            "quantity": 4.0,
            "remark": None,
            "is_complete": False,
        },
    )

    results = await handler.create_all([node])

    assert len(results) == 1
    assert results[0].status == TaskStatus.FAILED
    assert results[0].push_id
    assert handler.api_client.requests[0]["endpoint"] == "/material/detail/create"


@pytest.mark.asyncio
async def test_material_detail_update_failure_preserves_push_id_for_trace_lookup() -> None:
    handler = MaterialDetailApiHandler()
    handler.api_client = _FailingApiClient()

    node = _MaterialDetailNode(
        node_id="detail-node-update-fail-1",
        data_id="detail-1",
        data={
            "id": "detail-1",
            "parent_id": "material-1",
            "quantity": 10.0,
            "remark": "new",
        },
        origin_data={
            "id": "detail-1",
            "parent_id": "material-1",
            "quantity": 5.0,
            "remark": None,
        },
        context={"material_id": "material-1"},
    )

    results = await handler.update_all([node])

    assert len(results) == 1
    assert results[0].status == TaskStatus.FAILED
    assert results[0].push_id
    assert handler.api_client.requests[0]["endpoint"] == "/material/detail/update"


@pytest.mark.asyncio
async def test_material_detail_load_uses_project_aggregate_when_enabled(monkeypatch: pytest.MonkeyPatch) -> None:
    collection = DataCollection("remote")
    project = _ProjectNode(
        node_id="project-node-1",
        data_id="project-1",
        data={"id": "project-1"},
    )
    await collection.add(project)

    handler = MaterialDetailApiHandler()
    handler.set_collection(collection)
    handler.set_handler_config({"load_method": "aggregate"})
    handler.api_client = _MockApiClient()

    async def _fake_get_aggregate(client, project_id: str, *, domains: list[str], limit: int = 10000):
        assert project_id == "project-1"
        assert domains == ["material_details"]
        assert limit == 10000
        return {
            "meta": {
                "project_id": project_id,
                "requested_domains": domains,
                "domain_limit": limit,
                "truncated_domains": [],
            },
            "data": {
                "material_details": [
                    {
                        "id": "detail-1",
                        "project_id": project_id,
                        "parent_id": "material-1",
                        "date": "2025-03-01",
                        "quantity": 2.0,
                        "remark": None,
                        "is_complete": False,
                    }
                ],
                "construction_details": [],
                "contract_settlement_details": [],
                "power_details": [],
            },
        }

    monkeypatch.setattr(ProjectApiHandler, "get_aggregate", _fake_get_aggregate)

    nodes = await handler.load()

    assert len(nodes) == 1
    assert nodes[0].data_id == "detail-1"
    detail_data = nodes[0].get_data()
    assert detail_data is not None
    assert detail_data["project_id"] == "project-1"
    assert handler.api_client.requests == []


@pytest.mark.asyncio
async def test_material_detail_load_aggregate_raises_on_truncated_domain(monkeypatch: pytest.MonkeyPatch) -> None:
    collection = DataCollection("remote")
    project = _ProjectNode(
        node_id="project-node-1",
        data_id="project-1",
        data={"id": "project-1"},
    )
    await collection.add(project)

    handler = MaterialDetailApiHandler()
    handler.set_collection(collection)
    handler.set_handler_config({"load_method": "aggregate"})
    handler.api_client = _MockApiClient()

    async def _fake_get_aggregate(client, project_id: str, *, domains: list[str], limit: int = 10000):
        assert domains == ["material_details"]
        return {
            "meta": {
                "project_id": project_id,
                "requested_domains": domains,
                "domain_limit": limit,
                "truncated_domains": ["material_details"],
            },
            "data": {
                "material_details": [],
                "construction_details": [],
                "contract_settlement_details": [],
                "power_details": [],
            },
        }

    monkeypatch.setattr(ProjectApiHandler, "get_aggregate", _fake_get_aggregate)

    with pytest.raises(RuntimeError, match="truncated domain material_details"):
        await handler.load()