"""API tests for native Projects and Tasks endpoints."""
import pytest
from httpx import ASGITransport, AsyncClient
from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
from sqlalchemy.orm import sessionmaker

from app.db import get_db
from app.main import app
from app.models import Base, PMUser, Project, ProjectStatus, Task
from app.security import create_token, hash_password


@pytest.fixture
def anyio_backend():
    return "asyncio"


@pytest.mark.asyncio
async def test_native_project_and_task_api():
    engine = create_async_engine("sqlite+aiosqlite:///:memory:", echo=False)
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)

    async_session = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)

    # Seed admin user
    async with async_session() as session:
        admin = PMUser(
            username="admin",
            password_hash=hash_password("admin123"),
            display_name="مدیر ارشد",
            role="project_manager",
        )
        session.add(admin)
        await session.commit()
        admin_id = admin.id

    token = create_token(admin_id)
    headers = {"Authorization": f"Bearer {token}"}


    async def override_get_db():
        async with async_session() as s:
            yield s

    app.dependency_overrides[get_db] = override_get_db

    transport = ASGITransport(app=app)
    async with AsyncClient(transport=transport, base_url="http://test") as client:
        # 1. Create a native project
        resp = await client.post(
            "/api/v1/projects",
            json={
                "name": "پروژه بیمارستان",
                "description": "احداث فاز ۲ بیمارستان",
                "location": "تهران",
                "status": "ACTIVE",
                "planned_start": "1405/01/01",
                "planned_end": "1405/12/29",
            },
            headers=headers,
        )
        assert resp.status_code == 200, resp.text
        proj_data = resp.json()["data"]
        project_id = proj_data["id"]
        assert proj_data["name"] == "پروژه بیمارستان"
        assert proj_data["status"] == "ACTIVE"

        # 2. List projects
        resp = await client.get("/api/v1/projects", headers=headers)
        assert resp.status_code == 200
        projects_list = resp.json()["data"]
        assert len(projects_list) == 1
        assert projects_list[0]["id"] == project_id

        # 3. Create a root task (Phase)
        resp = await client.post(
            "/api/v1/tasks",
            json={
                "project_id": project_id,
                "title": "فاز ۱: اسکلت‌بندی",
                "priority": "high",
                "planned_start": "1405/01/01",
                "duration": 60,
            },
            headers=headers,
        )
        assert resp.status_code == 200, resp.text
        phase_task = resp.json()["data"]
        phase_id = phase_task["id"]
        assert phase_task["title"] == "فاز ۱: اسکلت‌بندی"

        # 4. Create a child task (Subtask)
        resp = await client.post(
            "/api/v1/tasks",
            json={
                "project_id": project_id,
                "parent_id": phase_id,
                "title": "فعالیت ۱.۱: آرماتوربندی ستون‌ها",
                "priority": "urgent",
                "planned_start": "1405/01/05",
                "duration": 15,
            },
            headers=headers,
        )
        assert resp.status_code == 200, resp.text
        subtask = resp.json()["data"]
        assert subtask["parent_id"] == phase_id

        # 5. Get Phase task detail and verify children
        resp = await client.get(f"/api/v1/tasks/{phase_id}", headers=headers)
        assert resp.status_code == 200
        detail = resp.json()["data"]
        assert len(detail["children"]) == 1
        assert detail["children"][0]["id"] == subtask["id"]

        # 6. Update task progress with QC invariant rule
        # Since no QC questions exist for this task, progress can increase directly
        resp = await client.patch(
            f"/api/v1/tasks/{subtask['id']}/progress",
            json={"percentage": 50},
            headers=headers,
        )
        assert resp.status_code == 200
        assert resp.json()["data"]["progress"] == 50
        assert resp.json()["data"]["status"] == "IN_PROGRESS"

        # 7. Verify mandatory start/end dates: task without dates must be rejected
        resp_no_dates = await client.post(
            "/api/v1/tasks",
            json={
                "project_id": project_id,
                "title": "وظیفه بدون تاریخ",
            },
            headers=headers,
        )
        assert resp_no_dates.status_code in (400, 422)

        # 8. Verify project creation with simplified fields (no code, client, dates required)
        resp_simple_proj = await client.post(
            "/api/v1/projects",
            json={
                "name": "پروژه ساده نوساز",
            },
            headers=headers,
        )
        assert resp_simple_proj.status_code == 200
        simple_data = resp_simple_proj.json()["data"]
        assert simple_data["name"] == "پروژه ساده نوساز"
        assert "id" in simple_data

        # 9. Verify task creation and update with Human Resources and Materials (including equipment)
        resp_resources_task = await client.post(
            "/api/v1/tasks",
            json={
                "project_id": project_id,
                "title": "بتن‌ریزی فونداسیون با منابع کامل",
                "planned_start": "1405/01/10",
                "duration": 5,
                "human_resources": [
                    {"role": "سرکارگر بتن‌ریزی", "count": 1},
                    {"role": "کارگر ساده", "count": 6},
                ],
                "materials": [
                    {
                        "name": "بتن آماده عیار ۳۵۰",
                        "unit": "متر مکعب",
                        "specifications": ["تیپ ۲", "اسلامپ ۸"],
                        "count": 150.5,
                    },
                    {
                        "name": "پمپ بتن دکلی",
                        "unit": "دستگاه",
                        "specifications": ["دکل ۳۶ متری"],
                        "count": 1,
                    },
                ],
            },
            headers=headers,
        )
        assert resp_resources_task.status_code == 200
        res_data = resp_resources_task.json()["data"]
        assert len(res_data["human_resources"]) == 2
        assert res_data["human_resources"][0]["role"] == "سرکارگر بتن‌ریزی"
        assert len(res_data["materials"]) == 2
        assert res_data["materials"][0]["unit"] == "متر مکعب"
        assert res_data["materials"][0]["specifications"] == ["تیپ ۲", "اسلامپ ۸"]
        assert res_data["materials"][1]["name"] == "پمپ بتن دکلی"

        # Update resources via PATCH
        task_id = res_data["id"]
        patch_resp = await client.patch(
            f"/api/v1/tasks/{task_id}",
            json={
                "human_resources": [
                    {"role": "سرکارگر بتن‌ریزی", "count": 2},
                ],
            },
            headers=headers,
        )
        assert patch_resp.status_code == 200
        patched_data = patch_resp.json()["data"]
        assert len(patched_data["human_resources"]) == 1
        assert patched_data["human_resources"][0]["count"] == 2

    app.dependency_overrides.clear()
    await engine.dispose()