"""Tests for the standalone Maris human training Space app."""

from __future__ import annotations

import importlib
import json
import sys
import tempfile
from pathlib import Path

from fastapi.testclient import TestClient

REPO_ROOT = Path(__file__).resolve().parents[2]
if str(REPO_ROOT) not in sys.path:
    sys.path.insert(0, str(REPO_ROOT))

human_training_space_app = importlib.import_module("huggingface_human_training_space.app")


def test_index_contains_private_space_entry_and_role_sections() -> None:
    client = TestClient(human_training_space_app.app)

    response = client.get("/")

    assert response.status_code == 200
    assert "Maris AI Human Training" in response.text
    assert "Maris AI logo" in response.text
    assert "Private Space" in response.text
    assert "Workspace ir atvērts uzreiz" in response.text
    assert 'id="login-form"' not in response.text
    assert 'id="register-form"' not in response.text
    assert 'id="register-role"' not in response.text
    assert "owner" in response.text
    assert "secretary" in response.text
    assert "trainee" in response.text
    assert "Platformas dokumentācija" in response.text
    assert 'class="section active" id="workspace-shell"' in response.text
    assert 'id="human_hub_model_id"' in response.text
    assert 'id="human_continue_from_latest_artefact"' in response.text
    assert 'id="human-template-select"' in response.text
    assert 'id="human-publish-button"' in response.text
    assert "Ātra starta vadība" in response.text
    assert "Staging pārskats" in response.text


def test_runtime_endpoint_exposes_roles_and_docs() -> None:
    client = TestClient(human_training_space_app.app)

    response = client.get("/api/runtime")

    assert response.status_code == 200
    body = response.json()
    assert body["service"] == "maris-human-training-space"
    assert set(body["roles"]) == {"owner", "secretary", "trainee", "user"}
    assert any(item["title"] == "Onboarding guide" for item in body["documentation"])
    assert "customer-support-lv" in body["templates"]
    assert body["templates"]["customer-support-lv"]["payload"]["profile_facts"]
    assert body["training"]["defaults"]["hub_model_id"] == "MarisUK/maris-ai-text"
    assert isinstance(body["training"]["model_choices"], list)
    assert body["training"]["model_choices"][0]["id"]
    assert body["training"]["model_choices"][0]["label"]
    assert body["auth_required"] is False
    assert body["private_session"]["user"]["role"] == "owner"


def test_maybe_start_automatic_training_starts_with_human_space_defaults(
    monkeypatch, tmp_path: Path
) -> None:
    calls: list[dict[str, object]] = []

    monkeypatch.setenv("MARIS_HUMAN_TRAINING_AUTO_TRAIN", "true")
    monkeypatch.setattr(human_training_space_app, "PERSISTENT_DIR", tmp_path)
    monkeypatch.setattr(
        human_training_space_app,
        "has_completed_training_artifacts",
        lambda output_dir: False,
    )
    monkeypatch.setattr(
        human_training_space_app,
        "_start_training_process",
        lambda request: (
            calls.append(request.model_dump()) or {"pid": 77, "log_path": "/tmp/human-train.log"}
        ),
    )

    human_training_space_app._maybe_start_automatic_training()

    assert len(calls) == 1
    assert calls[0]["dataset_repo"] == human_training_space_app.DEFAULT_DATASET_REPO
    assert calls[0]["model_repo"] == human_training_space_app.DEFAULT_HUB_MODEL_ID
    assert calls[0]["model_preset"] == "balanced"
    assert calls[0]["continue_from_latest_artifact"] is True


def test_register_and_login_flow(monkeypatch, tmp_path: Path) -> None:
    client = TestClient(human_training_space_app.app)
    monkeypatch.setattr(
        human_training_space_app,
        "USERS_FILE",
        tmp_path / "human-training-users.json",
    )
    human_training_space_app.SESSION_STORE.clear()

    register_response = client.post(
        "/api/auth/register",
        json={
            "full_name": "Māris Ozols",
            "email": "maris@example.com",
            "password": "drosha-parole-123",
            "role": "owner",
        },
    )

    assert register_response.status_code == 200
    register_body = register_response.json()
    assert register_body["user"]["role"] == "owner"
    assert register_body["role_guide"]["label"] == "Owner"
    assert register_body["token"]

    login_response = client.post(
        "/api/auth/login",
        json={
            "email": "maris@example.com",
            "password": "drosha-parole-123",
        },
    )

    assert login_response.status_code == 200
    login_body = login_response.json()
    assert login_body["user"]["email"] == "maris@example.com"
    assert login_body["platform"]["examples"]


def test_register_with_storage_fallback(monkeypatch) -> None:
    client = TestClient(human_training_space_app.app)
    original_users_file = human_training_space_app.USERS_FILE
    fallback_root = (
        Path(tempfile.gettempdir()) / human_training_space_app.USER_STORE_FALLBACK_DIRNAME
    )
    fallback_file = fallback_root / original_users_file.name
    if fallback_file.exists():
        fallback_file.unlink()
    original_path_mkdir = Path.mkdir

    def fail_default_data_mkdir(self: Path, *args, **kwargs) -> None:
        if self == original_users_file.parent:
            raise PermissionError("read-only")
        return original_path_mkdir(self, *args, **kwargs)

    monkeypatch.setattr(human_training_space_app, "USERS_FILE", original_users_file)
    monkeypatch.setattr(Path, "mkdir", fail_default_data_mkdir)
    human_training_space_app.SESSION_STORE.clear()

    response = client.post(
        "/api/auth/register",
        json={
            "full_name": "Māris Ozols",
            "email": "maris-fallback@example.com",
            "password": "drosha-parole-123",
            "role": "owner",
        },
    )

    assert response.status_code == 200
    assert fallback_file.exists()
    payload = json.loads(fallback_file.read_text(encoding="utf-8"))
    assert payload["maris-fallback@example.com"]["role"] == "owner"


def test_login_rejects_invalid_password(monkeypatch, tmp_path: Path) -> None:
    client = TestClient(human_training_space_app.app)
    monkeypatch.setattr(
        human_training_space_app,
        "USERS_FILE",
        tmp_path / "human-training-users.json",
    )
    human_training_space_app.SESSION_STORE.clear()

    client.post(
        "/api/auth/register",
        json={
            "full_name": "Māris Ozols",
            "email": "maris@example.com",
            "password": "drosha-parole-123",
            "role": "owner",
        },
    )

    response = client.post(
        "/api/auth/login",
        json={
            "email": "maris@example.com",
            "password": "nepareiza-parole",
        },
    )

    assert response.status_code == 401
    assert response.json()["detail"] == "Nepareizs e-pasts vai parole."


def test_human_training_build_allows_private_space_without_session(
    monkeypatch, tmp_path: Path
) -> None:
    client = TestClient(human_training_space_app.app)
    monkeypatch.setattr(human_training_space_app, "PERSISTENT_DIR", tmp_path)

    response = client.post(
        "/api/human-training/build",
        json={
            "dataset_repo": "example-user/memory-dataset",
            "hub_model_id": "example-user/custom-model",
            "profile_facts": ["Man vajag profesionālu latviešu valodu."],
        },
    )

    assert response.status_code == 200
    assert (
        response.json()["manifest"]["training_request"]["hub_model_id"]
        == "example-user/custom-model"
    )


def test_human_training_build_requires_session_when_auth_enabled(
    monkeypatch, tmp_path: Path
) -> None:
    client = TestClient(human_training_space_app.app)
    monkeypatch.setattr(human_training_space_app, "AUTH_REQUIRED", True)
    monkeypatch.setattr(
        human_training_space_app, "USERS_FILE", tmp_path / "human-training-users.json"
    )
    monkeypatch.setattr(human_training_space_app, "PERSISTENT_DIR", tmp_path)
    human_training_space_app.SESSION_STORE.clear()

    response = client.post(
        "/api/human-training/build",
        json={
            "dataset_repo": "example-user/memory-dataset",
            "hub_model_id": "example-user/custom-model",
            "profile_facts": ["Man vajag profesionālu latviešu valodu."],
        },
    )

    assert response.status_code == 401


def test_human_training_build_stages_manifest_for_private_space(
    monkeypatch, tmp_path: Path
) -> None:
    client = TestClient(human_training_space_app.app)
    monkeypatch.setattr(human_training_space_app, "PERSISTENT_DIR", tmp_path)

    response = client.post(
        "/api/human-training/build",
        json={
            "dataset_repo": "example-user/memory-dataset",
            "hub_model_id": "example-user/custom-model",
            "continue_model_path": "runs/latest",
            "profile_facts": ["Man vajag profesionālu latviešu valodu."],
        },
    )

    assert response.status_code == 200
    body = response.json()
    assert body["manifest"]["training_request"]["hub_model_id"] == "example-user/custom-model"
    assert body["manifest"]["training_request"]["continue_model_path"] == "runs/latest"


def test_human_training_build_stages_manifest_for_logged_in_user_when_auth_enabled(
    monkeypatch, tmp_path: Path
) -> None:
    client = TestClient(human_training_space_app.app)
    monkeypatch.setattr(human_training_space_app, "AUTH_REQUIRED", True)
    monkeypatch.setattr(
        human_training_space_app, "USERS_FILE", tmp_path / "human-training-users.json"
    )
    monkeypatch.setattr(human_training_space_app, "PERSISTENT_DIR", tmp_path)
    human_training_space_app.SESSION_STORE.clear()

    register_response = client.post(
        "/api/auth/register",
        json={
            "full_name": "Māris Ozols",
            "email": "maris@example.com",
            "password": "drosha-parole-123",
            "role": "owner",
        },
    )
    token = register_response.json()["token"]

    response = client.post(
        "/api/human-training/build",
        headers={"X-Session-Token": token},
        json={
            "dataset_repo": "example-user/memory-dataset",
            "hub_model_id": "example-user/custom-model",
            "continue_model_path": "runs/latest",
            "profile_facts": ["Man vajag profesionālu latviešu valodu."],
        },
    )

    assert response.status_code == 200
    body = response.json()
    assert body["manifest"]["training_request"]["hub_model_id"] == "example-user/custom-model"
    assert body["manifest"]["training_request"]["continue_model_path"] == "runs/latest"