from __future__ import annotations

import json

import httpx

from app.modules.data_process.generation import chat_completions_url, generate_model_records


def test_chat_completions_url_accepts_host_base_and_complete_url() -> None:
    assert chat_completions_url("www.caoxiaozhu.com") == (
        "https://www.caoxiaozhu.com/v1/chat/completions"
    )
    assert chat_completions_url("https://model.example/v1") == (
        "https://model.example/v1/chat/completions"
    )
    complete = "https://model.example/openai/v1/chat/completions"
    assert chat_completions_url(complete) == complete


def test_generate_model_records_uses_prompt_auth_and_stable_split() -> None:
    requests: list[httpx.Request] = []
    progress_updates: list[tuple[int, int]] = []

    def handler(request: httpx.Request) -> httpx.Response:
        requests.append(request)
        payload = json.loads(request.content)
        assert payload["model"] == "qwen-plus"
        assert payload["response_format"] == {"type": "json_object"}
        assert "客户反馈页面加载慢" in payload["messages"][1]["content"]
        return httpx.Response(
            200,
            json={
                "choices": [
                    {
                        "message": {
                            "content": json.dumps(
                                {
                                    "items": [
                                        {
                                            "instruction": "请生成简洁客服回复",
                                            "input": "客户反馈页面加载慢",
                                            "output": "已收到反馈，我们正在排查。",
                                        }
                                    ]
                                },
                                ensure_ascii=False,
                            )
                        }
                    }
                ]
            },
        )

    client = httpx.Client(transport=httpx.MockTransport(handler))
    records = generate_model_records(
        [{"id": "preview-1", "edited_content": "客户反馈页面加载慢"}],
        model={
            "name": "Qwen",
            "online_model_name": "qwen-plus",
            "api_url": "model.example",
            "api_key": "test-secret",
        },
        config={
            "generation_prompt": "请处理：{{ content }}",
            "json_mode": True,
            "temperature": 0.2,
            "max_tokens": 512,
        },
        task_id="task-1",
        split={"train": 100, "validation": 0, "test": 0},
        qa_pairs_per_item=1,
        client=client,
        on_progress=lambda processed, total: progress_updates.append((processed, total)),
    )

    assert len(records) == 1
    assert records[0]["status"] == "valid"
    assert records[0]["split"] == "train"
    assert requests[0].headers["Authorization"] == "Bearer test-secret"
    assert progress_updates == [(1, 1)]


def test_generate_model_records_keeps_partial_failure_for_manual_repair() -> None:
    client = httpx.Client(
        transport=httpx.MockTransport(
            lambda _: httpx.Response(200, json={"choices": [{"message": {"content": "not-json"}}]})
        )
    )
    records = generate_model_records(
        [{"id": "preview-1", "edited_content": "来源正文"}],
        model={"name": "model", "api_url": "https://model.example/v1"},
        config={"generation_retries": 1},
        task_id="task-1",
        split={"train": 80, "validation": 10, "test": 10},
        qa_pairs_per_item=1,
        client=client,
    )

    assert len(records) == 1
    assert records[0]["status"] == "invalid"
    assert records[0]["error"]