"""547-1 프로젝트 카드 요약 — 썸네일 줄임 · 단계 · 없는 값 빼기 · 보이는 프로젝트만."""

import asyncio
import json
from datetime import datetime, timedelta

import B01_Dashboard.B01_Dashboard_Router_Home as home
import B01_Dashboard.B01_Dashboard_Summary as summary

ROUTE = "B05_Profile/route/r.geojson"


def test_thumb_line_fits_unit_box_and_caps_points():
    line = [[1000.0 + i, 2000.0 + i * 0.5] for i in range(500)]
    thumb = summary.thumb_line(line)
    assert len(thumb) == 100
    assert thumb[0] == [0.0, 0.75] and thumb[-1] == [1.0, 0.25]  # y 아래로 · 세로 가운데
    assert all(0 <= x <= 1 and 0 <= y <= 1 for x, y in thumb)
    assert summary.thumb_line([[0.0, 0.0]]) is None


def test_stage_names_follow_step_bar():
    assert len(summary.stage_names("ROAD")) == 7
    assert summary.stage_names("PLAN")[0] == "기준 지정"
    assert summary.stage_names("EROSION") == summary.stage_names("ROAD")


class _Cursor:
    def __init__(self, db):
        self.db, self.rows = db, []

    async def __aenter__(self):
        return self

    async def __aexit__(self, *_):
        return False

    async def execute(self, sql, args=()):
        self.db["queries"] += 1
        key = next(k for k in self.db["answers"] if k in sql)
        self.rows = self.db["answers"][key]

    async def fetchall(self):
        return self.rows


class _Pool:
    def __init__(self, db):
        self.db = db

    def acquire(self):
        pool = self

        class _Conn:
            async def __aenter__(self):
                return self

            async def __aexit__(self, *_):
                return False

            def cursor(self, *_):
                return _Cursor(pool.db)

        return _Conn()


def test_summaries_in_batch(monkeypatch, tmp_path):
    now = datetime.now()
    route_dir = tmp_path / "B05_Profile" / "route"
    route_dir.mkdir(parents=True)
    coords = [[0, 0, 1], [10, 0, 1], [10, 5, 1]]
    (route_dir / "r.geojson").write_text(json.dumps({"geometry": {"coordinates": coords}}))
    (route_dir / "structures.json").write_text(json.dumps({"structures": [{}, {}]}))
    db = {
        "queries": 0,
        "answers": {
            "FROM projects p LEFT JOIN users": [
                {
                    "id": "a",
                    "name": "가",
                    "project_kind": "ROAD",
                    "region": "강원",
                    "updated_at": now - timedelta(days=20),
                    "storage_path": "storage/a",
                    "company_id": 1,
                    "user_id": 7,
                    "owner_name": "엄",
                },
                {
                    "id": "b",
                    "name": "나",
                    "project_kind": "PLAN",
                    "region": None,
                    "updated_at": now,
                    "storage_path": None,
                    "company_id": 1,
                    "user_id": 7,
                    "owner_name": "엄",
                },
            ],
            "project_workflow_stages": [
                {"project_id": "a", "stage_no": n, "stage_key": "", "state": s}
                | {"progress_percent": 0, "params": None, "message": None}
                | {"started_at": None, "completed_at": None}
                for n, s in enumerate(["COMPLETE", "COMPLETE", "IN_PROGRESS"] + ["NOT"] * 4)
            ],
            "project_members": [{"project_id": "a", "name": "박"}],
            "FROM routes": [
                {"id": 9, "project_id": "a", "total_length_m": 15.04, "route_data_path": ROUTE},
                {"id": 5, "project_id": "a", "total_length_m": 1.0, "route_data_path": "old"},
            ],
            "cross_sections": [{"route_id": 9, "n": 3}],
        },
    }
    monkeypatch.setattr(summary, "get_db_pool", lambda: _Pool(db))
    monkeypatch.setattr(summary, "project_root", lambda p: tmp_path if p else None)
    out = asyncio.run(summary.project_summaries(["b", "a", "zz"]))
    assert [s["id"] for s in out] == ["b", "a"]  # 넣은 차례 · 없는 id 빠짐
    b, a = out
    assert (a["stage_index"], a["stage_total"], a["stage_name"]) == (2, 7, "노선설계")
    assert a["stale_days"] == 20 and a["owner_names"] == ["엄", "박"]
    assert a["metrics"] == {"length_m": 15.0, "stations": 3, "structures": 2}
    assert len(a["thumb"]) == 3 and a["done"] is False
    assert b["thumb"] is None and b["metrics"] == {} and b["stage_name"] == "기준 지정"
    assert db["queries"] == 5


def test_summary_api_drops_invisible_ids(monkeypatch):
    seen = {}

    async def fake_visible(session):
        return ["a", "b"]

    async def fake_summaries(ids):
        seen["ids"] = ids
        return []

    monkeypatch.setattr(home, "visible_project_ids", fake_visible)
    monkeypatch.setattr(home, "project_summaries", fake_summaries)
    asyncio.run(home.projects_summary(ids="b, x,a,b", session={}))
    assert seen["ids"] == ["b", "a"]
    asyncio.run(home.projects_summary(ids=None, session={}))
    assert seen["ids"] == ["a", "b"]