"""590-2 위성 조각 정리 — 프로젝트당 한도 · 오래 안 본 것부터 · 한 장짜리 안 만듦 · B 저장 복사에서 뺌."""

from __future__ import annotations

import asyncio
import os
import re
import time
from pathlib import Path
from uuid import uuid4

from common_util import common_util_tile_cache as tile_cache
from common_util.common_util_save_guard import STORAGE_SCOPE, _files

ROOT = Path(__file__).resolve().parents[2]


def _tile(folder: Path, name: str, size: int, age_s: float) -> Path:
    path = folder / "Satellite" / "18" / f"{name}.jpeg"
    path.parent.mkdir(parents=True, exist_ok=True)
    path.write_bytes(b"x" * size)
    at = time.time() - age_s
    os.utime(path, (at, at))
    return path


def test_prune_oldest_first_down_to_keep_ratio(tmp_path: Path) -> None:
    tiles = [_tile(tmp_path, f"t{i}", 100, age_s=1000 - i) for i in range(10)]  # t0 = 가장 묵음
    assert tile_cache.prune(tmp_path, limit=1000) == 0  # 한도 = 딱 맞음
    assert tile_cache.prune(tmp_path, limit=900) == 3  # 1000 → 700(≤ 720)
    assert [p.exists() for p in tiles] == [False] * 3 + [True] * 7


def test_note_counts_once_then_adds(tmp_path: Path) -> None:
    for i in range(5):
        _tile(tmp_path, f"t{i}", 100, age_s=100 - i)
    tile_cache._SIZES.pop(tmp_path, None)
    assert tile_cache.note(tmp_path, 0, limit=1000) == 0  # 처음 = 폴더 셈
    assert tile_cache._SIZES[tmp_path] == 500
    _tile(tmp_path, "new", 600, age_s=0)
    assert tile_cache.note(tmp_path, 600, limit=1000) == 3  # 1100 → 800 · 묵은 셋
    assert tile_cache._SIZES[tmp_path] == 800
    assert (tmp_path / "Satellite" / "18" / "new.jpeg").exists()


def test_note_first_sight_prunes_overfull(tmp_path: Path) -> None:
    for i in range(4):
        _tile(tmp_path, f"t{i}", 100, age_s=100 - i)
    tile_cache._SIZES.pop(tmp_path, None)
    assert tile_cache.note(tmp_path, 0, limit=250) == 2  # 열 때 넘침 → 200


def test_seen_touches_only_stale(tmp_path: Path) -> None:
    stale = _tile(tmp_path, "old", 1, age_s=tile_cache.TOUCH_AFTER_S + 60)
    fresh = _tile(tmp_path, "new", 1, age_s=60)
    fresh_at = fresh.stat().st_mtime
    tile_cache.seen(stale)
    tile_cache.seen(fresh)
    assert time.time() - stale.stat().st_mtime < 60
    assert fresh.stat().st_mtime == fresh_at


def test_save_snapshot_skips_tiles(tmp_path: Path) -> None:
    _tile(tmp_path / "_derived" / "plan_tile", "t", 10, age_s=0)
    keep = tmp_path / "_derived" / "plan_x" / "k.json"
    keep.parent.mkdir(parents=True)
    keep.write_text("{}", encoding="utf-8")
    assert "_derived" in STORAGE_SCOPE
    assert list(_files(tmp_path, STORAGE_SCOPE)) == ["_derived/plan_x/k.json"]


def test_satellite_writes_meta_only(tmp_path: Path) -> None:
    from pyproj import CRS

    from B04_PreProcess.B04_PreProcess_Engine_VWorld import download_vworld_satellite_map

    prj = tmp_path / "plan.prj"
    prj.write_text(CRS.from_epsg(5186).to_wkt("WKT1_ESRI"), encoding="utf-8")
    bounds = {"x": [200000.0, 201000.0], "y": [500000.0, 501000.0]}
    got = download_vworld_satellite_map(prj, bounds, tmp_path, layer_name="Satellite")
    assert got == tmp_path / "vworld_satellite_meta.json" and got.is_file()
    assert not (tmp_path / "vworld_satellite.png").exists()


def test_satellite_map_route_refuses() -> None:
    from B04_PreProcess.B04_PreProcess_Router_GIS import get_vworld_map

    reply = asyncio.run(get_vworld_map(uuid4(), None, "satellite"))  # type: ignore[arg-type]
    assert reply.status_code == 404


def test_screens_do_not_ask_satellite_image() -> None:
    hits = []
    for folder in ("A00_Common", "B04_PreProcess", "B05_Profile", "D03_PlanAnalysis"):
        for path in (ROOT / folder).rglob("*.ts"):
            text = path.read_text(encoding="utf-8")
            if re.search(
                r'getVWorldMapUrl\([^)]*"satellite"|vworld-map\?layer_name=satellite', text
            ):
                hits.append(path.name)
    assert hits == []